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WO2019062840A1 - 信息传输方法和装置 - Google Patents

信息传输方法和装置 Download PDF

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Publication number
WO2019062840A1
WO2019062840A1 PCT/CN2018/108288 CN2018108288W WO2019062840A1 WO 2019062840 A1 WO2019062840 A1 WO 2019062840A1 CN 2018108288 W CN2018108288 W CN 2018108288W WO 2019062840 A1 WO2019062840 A1 WO 2019062840A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
time domain
domain resource
downlink control
physical channel
Prior art date
Application number
PCT/CN2018/108288
Other languages
English (en)
French (fr)
Inventor
马蕊香
吕永霞
邵家枫
李胜钰
胡丹
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to ES18860694T priority Critical patent/ES2907794T3/es
Priority to EP18860694.1A priority patent/EP3634060B1/en
Priority to RU2020115028A priority patent/RU2763315C2/ru
Priority to EP22152950.6A priority patent/EP4084555A1/en
Priority to AU2018339400A priority patent/AU2018339400B2/en
Priority to BR112020006238-3A priority patent/BR112020006238B1/pt
Priority to KR1020207011038A priority patent/KR102322417B1/ko
Priority to JP2020517890A priority patent/JP7017626B2/ja
Publication of WO2019062840A1 publication Critical patent/WO2019062840A1/zh
Priority to US16/716,081 priority patent/US10880880B2/en
Priority to US17/119,059 priority patent/US20210168771A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • the present application relates to the field of communications, and more particularly to a method and apparatus for determining time domain resources used for information transmission in a wireless communication system.
  • a network device indicates a physical downlink shared channel (PDSCH) or a physical uplink shared channel (physical uplink shared channel (physical downlink shared channel (PDCCH)) on a physical downlink control channel (PDCCH).
  • PDSCH physical downlink shared channel
  • PDCCH physical downlink shared channel
  • the time domain resources of the PDSCH and the PUSCH are time domain symbols remaining after the control area is removed within one subframe.
  • the time unit may be a time domain symbol, a mini-slot, a time slot. Slot, sub-frame or frame.
  • the time domain symbol herein may be an orthogonal frequency division multiplexing (OFDM) symbol.
  • the length of a frame is 10 milliseconds (millisecond, ms), including 10 subframes, and each subframe has a time length of 1 ms.
  • the length of time corresponding to a time slot depends on the size of the subcarrier spacing.
  • the time length corresponding to one time slot is 1 ms; when the subcarrier spacing is 60 kHz, one time The time interval corresponding to the gap is 0.25 ms.
  • the number of time domain symbols included in a time slot is related to the length of a cyclic prefix (CP). In the case of an extended cyclic prefix, the number of time domain symbols included in one time slot is 12; in the case of a normal CP, one time The number of time domain symbols included in the slot is 14.
  • the international telecommunication union defines three types of application scenarios for 5G and future mobile communication systems: enhanced mobile broadband (eMBB), high reliable low latency communication (ultra reliable and low latency).
  • Communications URLLC
  • massive machine type communications Typical URLLC services include: wireless control in industrial manufacturing or production processes, motion control of driverless cars and drones, and tactile interaction applications such as remote repair and remote surgery.
  • the main features of these services are ultra-reliable. Sex, low latency, less data transfer and burstiness.
  • the URLLC service data requires extremely high reliability and delay. Under the premise of 99.999% reliability, the transmission delay is required to be within 1ms.
  • the present application provides an information transmission method. By flexibly selecting a time domain resource for information transmission, the load size of the downlink control information can be effectively reduced, thereby improving the reliability of the control channel transmission and further improving the reliability of data transmission.
  • the first aspect provides an information transmission method, which may be applied to a terminal device or a wireless relay device, and may also be applied to a chip of a terminal device or a wireless relay device, including: receiving first information, where the first information includes At least one of a service type, a time domain resource length set information, a downlink control information detection period, and a control resource set CORESET configuration period, the first information corresponding to the first time domain resource or the time domain resource set, where the time domain resource set includes At least one first time domain resource, the first time domain resource is a time domain resource occupied by a physical channel for performing information transmission between the terminal device and the network device; determining, according to the first information, a first time occupied by the physical channel for performing information transmission A domain resource; information is transmitted through the physical channel on the first time domain resource.
  • the time domain resource of the information transmission is flexibly selected according to the first information, and the number of bits indicated by the physical downlink control channel is reduced for a specific scenario, so that the reliability of the physical downlink control channel
  • the first information is received by radio resource control RRC signaling.
  • the first information is notified by the RRC signaling, and the signaling overhead of the PDCCH can be reduced and the reliability of the PDCCH transmission can be improved as compared with the PDCCH signaling.
  • determining, by using the first information, that the first time domain resource occupied by the physical channel for performing information transmission comprises: determining a duration of the physical channel according to the first information; or Determining, according to the first information, a location of an end symbol of the physical channel; or determining, according to the first information, a location of a start symbol of the physical channel and a duration of the physical channel; or The first information determines a location of a start symbol of the physical channel and a location of an end symbol of the physical channel.
  • the first information corresponds to the first time domain resource.
  • the second information is received, where the second information is carried in the downlink control information, and the second information is used to indicate that the first time domain resource is in a time domain.
  • An index in the resource set, the time domain resource set includes at least one first time domain resource, the time domain resource set corresponding to the first information; and the determining, by the first information, determining that the physical channel for performing information transmission is occupied
  • the first time domain resource includes: determining a duration of the physical channel according to the first information and the second information; or determining an end of the physical channel according to the first information and the second information Position of the symbol; or determining a location of the start symbol of the physical channel and a duration of the physical channel according to the first information and the second information; or, according to the first information and the first
  • the second information determines a location of a start symbol of the physical channel and a location of an end symbol of the physical channel.
  • the first information is corresponding to the time domain resource set, and the first information may be predefined by the system or pre-defined by the protocol, or the network device determines the RRC signaling to notify the terminal device, and only needs to carry the second information on the PDCCH.
  • the index information of the first time domain resource in the time domain resource set may be used to reduce the bit size of the control information carried in the PDCCH, and the reliability of the PDCCH transmission is improved.
  • the physical channel is a physical downlink shared channel or a physical uplink shared channel.
  • an information transmission method is provided, which can be applied to a network device or a chip of a network device.
  • This method is a network side method corresponding to the first aspect, and thus the advantageous effects of the first aspect can also be achieved.
  • the method includes: transmitting first information, where the first information includes at least one of a service type, a time domain resource length set information, a downlink control information detection period, and a control resource set CORESET configuration period, the first information and the first time domain resource
  • the time domain resource set includes at least one first time domain resource, where the first time domain resource is a time domain resource occupied by the physical channel of the terminal device and the network device for information transmission; Information transmission is performed on the domain resource through the physical channel.
  • the first information is sent by using radio resource control RRC signaling.
  • the second information is sent, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in the The index in the time domain resource collection.
  • the physical channel is a physical downlink shared channel or a physical uplink shared channel.
  • an information transmission method is provided, which can be applied to a terminal device or a wireless relay device, and can also be applied to a chip of a terminal device or a wireless relay device.
  • the method is a method in parallel with the first aspect, and may also implement the beneficial effects of the first aspect.
  • the method includes: receiving downlink control information, where the format of the downlink control information corresponds to a first time domain resource or a time domain resource set, where The domain resource set includes at least one first time domain resource, where the first time domain resource is a time domain resource occupied by the physical channel for which the terminal device and the network device transmit information; determining a format of the downlink control information; and determining, according to the downlink control information, the downlink control information
  • the format determines a first time domain resource occupied by a physical channel that performs information transmission; and transmits information through the physical channel on the first time domain resource.
  • determining, by using a format of the downlink control information, the first time domain resource that is occupied by the physical channel that performs information transmission includes: determining, according to a format of the downlink control information, the physical channel a duration; or determining a location of an end symbol of the physical channel according to a format of the downlink control information; or determining a location of the start symbol of the physical channel and the physical channel according to a format of the downlink control information
  • the duration of the physical channel is determined according to the format of the downlink control information and the location of the end symbol of the physical channel.
  • the format of the downlink control information corresponds to the first time domain resource.
  • the second information is received, where the second information is carried in the downlink control information, and the second information is used to indicate that the first time domain resource is in a time domain.
  • An index in the resource set, the time domain resource set includes at least one first time domain resource, the time domain resource set corresponding to the first information; and determining, according to a format of the downlink control information, a physical channel for performing information transmission
  • the first time domain resource that is occupied includes: determining a duration of the physical channel according to the format of the downlink control information and the second information; or determining, according to the format of the downlink control information and the second information a location of an end symbol of the physical channel; or determining a location of a start symbol of the physical channel and a duration of the physical channel according to a format of the downlink control information and the second information; or
  • the format of the downlink control information and the second information determine a location of a start symbol of the physical channel and a location of an end symbol of the physical channel.
  • the format of the downlink control information is corresponding to the time domain resource set, and only the second information needs to be carried on the PDCCH, and is used to indicate the index information of the first time domain resource in the time domain resource set, which is reduced.
  • the bit size of the control information carried in the PDCCH improves the reliability of the PDCCH transmission.
  • the physical channel is a physical downlink shared channel or a physical uplink shared channel.
  • an information transmission method which can be applied to a network device, and can also be applied to a chip of a network device.
  • This method is a network side method corresponding to the third aspect, and thus the advantageous effects of the third aspect can also be achieved.
  • the method includes: transmitting downlink control information, where the format of the downlink control information is corresponding to a first time domain resource or a time domain resource set, where the time domain resource set includes at least one first time domain resource, the first The time domain resource is a time domain resource occupied by a physical channel for performing information transmission; information transmission is performed by using the physical channel on the first time domain resource.
  • the second information is sent, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in the The index in the time domain resource collection.
  • the physical channel is a physical downlink shared channel or a physical uplink shared channel.
  • the fifth aspect provides an information transmission method, which can be applied to a terminal device or a wireless relay device, and can also be applied to a chip of a terminal device or a wireless relay device, including: determining first information, the first The information includes at least one of a service type, a format of the downlink control information, a time domain resource length set information, a detection period of the downlink control information, and a control resource set CORESET configuration period; and determining, according to the first information, a physical channel for performing information transmission The occupied first time domain resource; and the information transmission is performed on the first time domain resource by using the physical channel.
  • the time domain resource of the information transmission is flexibly selected according to the first information, and the number of bits indicated by the physical downlink control channel is reduced for a specific scenario, so that the reliability of the physical downlink control channel transmission can be improved.
  • the determining The information specifically includes: receiving the first information by using radio resource control RRC signaling.
  • the first information is notified by the RRC signaling, and the signaling overhead of the PDCCH can be reduced and the reliability of the PDCCH transmission can be improved as compared with the PDCCH signaling.
  • the determining the first information specifically includes: receiving the downlink control information, and determining the downlink control information.
  • the format when the first information includes the format of the downlink control information, the determining the first information specifically includes: receiving the downlink control information, and determining the downlink control information.
  • determining, by using the first information, that the first time domain resource occupied by the physical channel that performs information transmission includes: determining a duration of the physical channel according to the first information; or Determining, according to the first information, a location of an end symbol of the physical channel; or determining, according to the first information, a location of a start symbol of the physical channel and a duration of the physical channel; or The first information determines a location of a start symbol of the physical channel and a location of an end symbol of the physical channel.
  • the first information corresponds to the first time domain resource.
  • the second information is received, where the second information is carried in the downlink control information, and the second information is used to indicate that the first time domain resource is in a time domain.
  • An index in the resource set, the time domain resource set includes at least one first time domain resource, the time domain resource set corresponding to the first information; and the determining, by the first information, determining that the physical channel for performing information transmission is occupied
  • the first time domain resource includes: determining a duration of the physical channel according to the first information and the second information; or determining an end of the physical channel according to the first information and the second information Position of the symbol; or determining a location of the start symbol of the physical channel and a duration of the physical channel according to the first information and the second information; or, according to the first information and the first
  • the second information determines a location of a start symbol of the physical channel and a location of an end symbol of the physical channel.
  • the first information is corresponding to the time domain resource set, and the first information may be predefined by the system or pre-defined by the protocol, or the network device determines the RRC signaling to notify the terminal device, and only needs to carry the second information on the PDCCH.
  • the index information of the first time domain resource in the time domain resource set may be used to reduce the bit size of the control information carried in the PDCCH, and the reliability of the PDCCH transmission is improved.
  • the physical channel is a physical downlink shared channel or a physical uplink shared channel.
  • an information transmission method which can be applied to a network device, and can also be applied to a chip of a network device.
  • This method is a network side method corresponding to the first aspect, and thus the advantageous effects of the first aspect can also be achieved.
  • the method includes: determining first information, where the first information includes at least one of a service type, a format of downlink control information, a time domain resource length set information, a detection period of downlink control information, and a control resource set configuration period; The first information determines a first time domain resource occupied by a physical channel that performs information transmission; and performs information transmission on the first time domain resource by using the physical channel.
  • the method further The method includes: transmitting, by using radio resource control, RRC signaling, the first information.
  • the second information is sent, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in the An index in a set of time domain resources, the set of time domain resources including at least one first time domain resource, the set of time domain resources corresponding to the first information.
  • a communication device comprising a processing unit, a transceiver unit, to perform the method of the first aspect or any possible implementation of the first aspect, or to perform any of the third or third aspect
  • the transceiver unit performs the information transceiving and information transmission function in the foregoing method
  • the processing unit performs the data processing function in the foregoing method .
  • a communication apparatus comprising a processor and a transceiver, optionally, further comprising a memory to perform the method of the first aspect or any possible implementation of the first aspect, or to perform the third aspect Or the method of any of the possible implementations of the third aspect, or the method of any of the fifth or fifth aspect, wherein the transceiver performs the information transceiving and information transmission function in the method, the processor Perform the data processing function in the above method.
  • a communication device comprising a processing unit, a transceiving unit, to perform the method of any of the second aspect or the second aspect, or to perform any of the fourth or fourth aspect
  • the transceiver unit performs the information transceiving and information transmission function in the foregoing method
  • the processing unit performs the data processing function in the foregoing method .
  • a communication device comprising a processor and a transceiver, optionally, further comprising a memory to perform the method of any of the second aspect or the second aspect, or to perform the fourth aspect Or the method of any of the possible implementations of the fourth aspect, or the method of any of the sixth or sixth aspect, wherein the transceiver performs the information transceiving and information transmission function in the method, the processor Perform the data processing function in the above method.
  • a computer readable storage medium is provided, the instructions being stored in the computer readable storage medium, when executed on a computer, causing the computer to perform any of the first aspect or the first aspect A method in an implementation, or a method in any of the possible implementations of the third or third aspect, or a method in any of the possible implementations of the fifth or fifth aspect.
  • a computer readable storage medium having instructions stored therein that, when executed on a computer, cause the computer to perform any of the second aspect or the second aspect A method in an implementation, or a method in any of the possible implementations of the fourth or fourth aspect, or a method in any of the possible implementations of the sixth or sixth aspect.
  • a thirteenth aspect a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of the first aspect or any of the possible implementations of the first aspect, or to perform the third aspect or The method of any of the possible implementations of the third aspect, or the method of any of the possible implementations of the fifth or fifth aspect.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of any of the second or second aspect, or to perform the fourth aspect or A method in any of the possible implementations of the fourth aspect, or a method in any of the possible implementations of the sixth or sixth aspect.
  • a fifteenth aspect a chip product of a network device, comprising the method of any of the first aspect or the first aspect, or performing any of the third aspect or any possible implementation of the third aspect A method, or method of any of the possible implementations of the fifth or fifth aspect.
  • the sixteenth aspect provides a chip product of a terminal device, which performs the method of any of the second aspect or the second aspect, or the fourth aspect or any possible implementation of the fourth aspect A method, or method of any of the possible implementations of the sixth or sixth aspect.
  • FIG. 1 is a schematic structural diagram of a mobile communication system to which an embodiment of the present application is applied;
  • FIG. 2 is a schematic diagram of a control resource set provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of an information transmission method according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of another information transmission method according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of still another method for transmitting information according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a device according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of another apparatus according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of another apparatus according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of another apparatus according to an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a mobile communication system to which an embodiment of the present application is applied.
  • the mobile communication system includes a core network device 110, a radio access network device 120, and at least one terminal device (such as the terminal device 130 and the terminal device 140 in FIG. 1).
  • the terminal device is connected to the radio access network device by means of a wireless connection, and the radio access network device is connected to the core network device by wireless or wired.
  • the core network device and the wireless access network device may be independent physical devices, or may integrate the functions of the core network device with the logical functions of the wireless access network device on the same physical device, or may be a physical device.
  • the functions of some core network devices and the functions of some wireless access network devices are integrated.
  • the terminal device can be fixed or mobile.
  • FIG. 1 is only a schematic diagram, and the communication system may further include other network devices, such as a wireless relay device and a wireless backhaul device, which are not shown in FIG. 1.
  • the embodiment of the present application does not limit the number of core network devices, wireless access network devices, and terminal devices included in the mobile communication system.
  • the radio access network device is an access device that the terminal device accesses to the mobile communication system by using a wireless device, and may be a base station NodeB, an evolved base station eNodeB, a 5G mobile communication system, or a new radio (NR) communication system.
  • a wireless device In the base station, the base station in the future mobile communication system, the access node in the WiFi system, and the like, the embodiment of the present application does not limit the specific technology and the specific device mode adopted by the radio access network device.
  • the radio access network device may also include a wireless relay device (not shown in FIG. 1) through which the base station accesses the core network device 110.
  • a radio access network device is referred to as a network device.
  • a network device refers to a radio access network device.
  • 5G and NR may be equivalent.
  • the terminal device may also be referred to as a terminal terminal, a user equipment (UE), a mobile station (MS), a mobile terminal (MT), and the like.
  • the terminal device can be a mobile phone, a tablet, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, and an industrial control (industrial control).
  • Wireless terminal wireless terminal in self driving, wireless terminal in remote medical surgery, wireless terminal in smart grid, wireless in transport safety A terminal, a wireless terminal in a smart city, a wireless terminal in a smart home, and the like.
  • Radio access network equipment and terminal equipment can be deployed on land, including indoors or outdoors, handheld or on-board; they can also be deployed on the water; they can also be deployed on aircraft, balloons and satellites in the air.
  • the application scenarios of the radio access network device and the terminal device are not limited.
  • the information transmission in the embodiment of the present application may be communicated through a licensed spectrum, or may be communicated through an unlicensed spectrum, or simultaneously through an authorized spectrum and an unlicensed spectrum.
  • Communication between the radio access network device and the terminal device and between the terminal device and the terminal device may be performed through a spectrum of 6 gigahertz (GHz) or less, or may be communicated through a spectrum of 6 GHz or higher, or may be used below 6 GHz.
  • GHz gigahertz
  • the spectrum communicates with the spectrum above 6 GHz.
  • the embodiments of the present application do not limit the spectrum resources used for information transmission.
  • the embodiments of the present application can be applied to the following information transmission scenarios: downlink information transmission; uplink information transmission; device to device (D2D) information transmission; and wireless relay information transmission.
  • the sending device is a radio access network device, and the corresponding receiving device is a terminal device.
  • the sending device is a terminal device, and the corresponding receiving device is a wireless access network device.
  • the transmitting device is a terminal device, and the corresponding receiving device is also a terminal device.
  • the transmitting device is a wireless relay device or a base station, and the receiving device is a wireless relay device or a base station.
  • the embodiment of the present application does not limit the transmission direction of the signal.
  • the following line information transmission and uplink information transmission are described as an example. However, the method in the present application can also be applied to D2D information transmission and wireless relay information transmission.
  • the network device can send data to the terminal device through the data channel.
  • the parameters may include a modulation and coding scheme (MCS), a transport block size (TBS), a redundancy version (RV), and a hybrid automatic repeat request (hybrid automatic repeat request).
  • MCS modulation and coding scheme
  • TBS transport block size
  • RV redundancy version
  • HARQ hybrid automatic repeat request
  • RA resource block assignment
  • PCI precoding information
  • PCI precoding indicator
  • These transmission parameters may be predefined by a protocol, or may be sent by the network device to the terminal device through signaling.
  • the signaling may include at least one of radio resource control (RRC) signaling, medium access control (MAC) layer signaling, and physical layer signaling, unless otherwise specified.
  • RRC radio resource control
  • MAC medium access control
  • the terminal device can receive the data of the data channel and demodulate and decode the received data.
  • the data channel may be a physical downlink shared channel (PDSCH), and the control parameters of the control data transmitted on the PDSCH are transmitted through a physical downlink control channel (PDCCH);
  • the data channel may be a physical uplink shared channel (PUSCH), and control parameters for controlling the data transmission on the PUSCH are transmitted from the network device to the terminal device through the PDCCH.
  • PDSCH physical downlink shared channel
  • PUSCH physical uplink shared channel
  • control channel is a PDCCH as an example
  • data channel is described by taking a PDSCH and a PUSCH as an example.
  • control channel and the PDCCH may be equivalent, but the specific names of the control channel and the data channel are not limited in this application.
  • the PDSCH and the PUSCH can transmit control information in addition to data.
  • the information transmission may be data transmission on the PDSCH or PUSCH, or may be transmission of control information on the PDSCH or PUSCH.
  • PDCCH carries downlink control information (DCI)
  • the scheduling information and other control information are carried on the PDCCH, and the information carried on the PDCCH may be collectively referred to as DCI.
  • the above transmission parameters may be part of the DCI.
  • the DCI payloads in different scenarios may be different in size, which may result in different DCI formats, and the resource size used to transmit the PDCCH may be different.
  • the load size of DCI for scheduling uplink data transmission and scheduling downlink data transmission may be different; the load size of DCI for scheduling single-stream downlink data transmission and scheduling multi-stream downlink data transmission may also be different; scheduling eMBB service and DCI for scheduling URLLC service
  • the load size may also vary.
  • the network device performs a cyclic redundancy code (CRC) check on the DCI to generate a corresponding CRC.
  • CRC cyclic redundancy code
  • the network device uses different radio network temporary identifiers (RNTIs) to scramble the CRC.
  • RNTIs radio network temporary identifiers
  • the scrambled CRC is channel coded and modulated together with the DCI, and then mapped to the PDCCH for transmission to the terminal device.
  • the format of the DCI includes the payload size of the DCI, the RNTI, and the definition of each field included in the DCI.
  • the DCI payload size is different.
  • the DCI format can be considered different.
  • the scrambled RNTI is different.
  • the DCI format can also be considered different.
  • the definition of each field included in the DCI is different.
  • the DCI format can also be considered different.
  • the definition of the field herein may include the location of the field in the DCI, the bit length of the field, and the specific meaning represented by the field.
  • the payload size here may be the total number of bits of each field in the DCI, or may be the total number of bits of each field in the DCI plus the length of the CRC.
  • FIG. 2 is a schematic diagram of a CORESET provided by an embodiment of the present application.
  • a CORESET is a time-frequency resource that is continuous in the time domain, continuous or discontinuous in the frequency domain, and is used to carry the PDCCH.
  • a CORESET may correspond to a user equipment (UE), or may correspond to a group of UEs, for example, CORESET 1 corresponds to UE1, UE2, UE3, and UE4, and CORESET2 corresponds to UE4, UE5, UE6, and UE7.
  • UE user equipment
  • the PDCCHs of UE1, UE2, UE3, and UE4 may be transmitted on CORESET 1, and the PDCCHs of UE4, UE5, UE6, and UE7 may be transmitted on CORESET 2.
  • a user can correspond to multiple CORESETs, and the numerology on these CORESETs can be the same or different.
  • the numerology here includes subcarrier spacing and cyclic prefix (CP) length.
  • the interval of the same CORESET adjacent in the time domain is called the CORESET configuration period. As shown in FIG. 2, the interval between two adjacent CORESET2 is called the configuration period of CORESET 2.
  • various scheduling scenarios can be supported, including slot based scheduling and non-slot based scheduling, wherein slot-based scheduling includes single-slot scheduling and Multi-slot scheduling, non-slot based scheduling is also referred to as single mini-slot based scheduling or multiple mini-slot scheduling, or single symbol level scheduling, or multiple symbol level scheduling.
  • slot-based scheduling includes single-slot scheduling and Multi-slot scheduling
  • non-slot based scheduling is also referred to as single mini-slot based scheduling or multiple mini-slot scheduling, or single symbol level scheduling, or multiple symbol level scheduling.
  • the terminal device needs to obtain scheduled time domain resource information to determine the time domain resources occupied by the PDSCH or the PUSCH in the current data transmission.
  • the symbol is equivalent to the time domain symbol, and the time domain resource may be one or more slots, one or more mini-slots, or one or more symbols.
  • Time domain resources can be continuous in time or discrete.
  • the bit map may be carried in the DCI to indicate the time domain resource. As shown in FIG. 2, the data area in one slot has 10 symbols. If the scheduling does not exceed one slot at a time, a 10-bit bitmap can be used to indicate the time domain resources occupied by the current scheduling.
  • the time domain resources occupied by the data transmission can be determined by the start symbol of the data transmission and the duration of the data transmission. For example, if the start symbol is the 5th symbol and the duration is 4 symbols, it can be determined that the time domain resources occupied by the data transmission are the fifth, sixth, seventh, and eighth symbols.
  • the time domain resources occupied by the data transmission can also be determined by the start symbol and the end symbol of the data transmission. For example, the start symbol is the 5th symbol, and the end symbol is the 8th symbol. It can also be determined that the time domain resources occupied by the data transmission are the 4th, 6th, 7th, and 8th symbols.
  • the present application provides an information transmission method, which can effectively reduce the load size of a PDCCH by adaptively selecting a method for determining a time domain resource occupied by a data transmission in different scheduling scenarios, thereby Improve the reliability of the PDCCH, thereby improving the reliability of data transmission.
  • the network device sends the first information to the terminal device, where the first information includes at least one of a service type, a time domain resource length set information, a downlink control information detection period, and a control resource set CORESET configuration period, where the first information is first.
  • the time domain resource or the time domain resource set corresponding to the time domain resource set includes at least one first time domain resource, where the first time domain resource is a time domain resource occupied by the physical channel that the terminal device performs information transmission with the network device.
  • the first information can be carried by signaling.
  • the terminal device receives the first information.
  • the first information here corresponds to the first time domain resource or the time domain resource set, and can also be understood as the first information used to indicate the first time domain resource or the time domain resource set.
  • the terminal device determines the first time domain resource or the time domain resource set corresponding to the first information by receiving the content in the first information.
  • the terminal device directly indicates the first time domain resource or the time domain resource set by receiving the content in the first information.
  • the physical channel for information transmission may be a control channel or a data channel.
  • the physical channel may be a PDSCH;
  • the physical channel may be a PUSCH.
  • the time domain resource can be determined by any two of the starting position, the ending position, and the duration.
  • the starting position, the ending position, and the duration unit can be time domain symbols, mini-slots, time slots, subframes, and frames. anyone.
  • the start position and the end position may be an absolute position within the time slot or a relative position with respect to the PDCCH within the time slot.
  • the start position and the end position may be an absolute position in the time slot or a relative position in the time slot relative to the PDCCH; the start position and the end position may be The absolute position within the subframe may also be the relative position within the subframe relative to the PDCCH; the starting position and the ending position may be absolute positions within the frame or relative positions within the frame relative to the PDCCH.
  • the units of the start position, end position, and duration may be the same or different.
  • the starting position is the absolute position in the time slot
  • the unit of duration is mini-slot, such as the starting position is the symbol 0, the duration is 2 mini-slot, if the length and duration of the mini-slot
  • the unit is configured by pre-defined or high-level signaling, then the time domain resource can be determined by the above information.
  • the types of services here may include: eMBB service, URLLC service, and uMTC service.
  • the type of service can be further refined according to QoS requirements, or it can be further refined in conjunction with the level of the end user (for example, Gold, Silver, or Bronze users).
  • the service type may be notified to the terminal device by the network device by signaling, for example, the terminal device may be notified by RRC signaling, or may be notified by the logical channel type.
  • a collection of time domain resource lengths refers to a collection of possible durations of information transmission.
  • the information transmission may have a duration of 1-14 symbols, 1 or more mini-slots, and 1 or more slots.
  • the information transmission may last for 1 symbol (symbol), 2 symbols, 4 symbols, 7 symbols, 14 symbols, and the time domain resource length set is ⁇ 1, 2, 4, 7, 14 ⁇ .
  • the system or protocol may predefine the same set of time domain resource lengths for different service types, or predefine different time domain resource length sets for different service types. When the time domain resource length set of different service types is the same, the network device does not need to send the time domain resource length set information to the terminal device.
  • the terminal device may obtain the service type by using signaling, and then determine the corresponding time domain resource length set according to the service type.
  • the time domain resource length set may also be determined by the network device and then notified to the terminal device by signaling, for example, by the RRC signaling.
  • the time domain resource length set information notified to the terminal device by signaling may be an index or number of the time domain resource length set.
  • the detection period of the downlink control information may be predefined by the system or the protocol. In this case, the network device does not need to send the detection period of the downlink control information to the terminal device by using signaling.
  • the detection period of the downlink control information may also be determined by the network device according to different requirements, and then the network device notifies the terminal device of the detection period of the downlink control information by signaling.
  • the CORESET configuration period can be predefined by the system or protocol. In this case, the network device does not need to send the CORESET configuration period to the terminal device through signaling.
  • the CORESET configuration period can also be determined by the network device according to different requirements, and then the network device notifies the terminal device by signaling the CORESET configuration period.
  • the terminal device determines, according to the first information, a first time domain resource occupied by a physical channel that performs information transmission with the network device.
  • the terminal device may directly determine, according to the first information, the first time domain resource occupied by the physical channel for performing information transmission. Specifically, when the location of the start symbol of the physical channel is predefined by the system or the protocol, the terminal device may determine the duration of the physical channel according to the first information; or determine the physical channel according to the first information. The position of the end symbol. The terminal device may determine the location of the start symbol of the physical channel and the duration of the physical channel according to the first information; or determine the location of the start symbol of the physical channel and the location of the end symbol of the physical channel according to the first information. The duration of the physical channel may also be referred to as the time length of the physical channel.
  • the location of the start symbol of the physical channel and the location of the end symbol may be positions relative to the start symbol of the PDCCH, for example, the start symbol of the PDCCH is numbered 3 in the slot, and the start symbol of the physical channel is at the time.
  • the position number in the slot is 7, and the position of the start symbol of the physical channel is 4; the position of the start symbol of the PDCCH in the slot is 3, and the position of the start symbol of the physical channel in the slot is If it is 3, the position of the start symbol of the physical channel takes a value of 0.
  • the above position numbers are numbered starting from 0. It can be understood that the position numbers can also be numbered starting from 1.
  • the position of the start symbol of the physical channel and the position of the end symbol may also be absolute numbers of symbol positions within the time slot, for example, for a time slot including 14 symbols, the symbol position is one of values from 0 to 13.
  • the first information When the first information corresponds to the time domain resource set, the first information may be used to indicate the time domain resource set, and then the second time information indicates the index of the first time domain resource in the time domain resource set, thereby determining that the information is used for information transmission.
  • the first time domain resource occupied by the physical channel.
  • the network device sends the second information to the terminal device, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in the time domain resource set. index of.
  • the terminal device determines a duration of the physical channel according to the first information and the second information; or determining, according to the first information and the second information, an end of the physical channel Position of the symbol; or determining a location of the start symbol of the physical channel and a duration of the physical channel according to the first information and the second information; or, according to the first information and the first
  • the second information determines a location of a start symbol of the physical channel and a location of an end symbol of the physical channel.
  • the terminal device and the network device perform information transmission on the first time domain resource by using the physical channel.
  • the network device sends information through the physical channel on the first time domain resource, and the terminal device receives information on the first time domain resource through the physical channel; for uplink information transmission, the terminal device is in the first The information is sent by the physical channel on the time domain resource, and the network device receives the information through the physical channel on the first time domain resource.
  • the present application provides another method for transmitting information, which determines a time domain resource occupied by data transmission in different scheduling scenarios according to a format of downlink control information, and can effectively reduce the payload of the PDCCH.
  • the size thereby improving the reliability of the PDCCH, thereby improving the reliability of data transmission.
  • the network device sends the downlink control information to the terminal device, where the format of the downlink control information corresponds to the first time domain resource or the time domain resource set, where the time domain resource set includes at least one first time domain resource, where the first time domain resource is The time domain resource occupied by the physical channel through which the terminal device and the network device perform information transmission.
  • the terminal device receives the downlink control information.
  • the downlink control information may be carried on the PDCCH.
  • the terminal device determines a format of the downlink control information. Specifically, the terminal device determines the format of the downlink control information by detecting downlink control information on the configured CORESET.
  • the terminal device determines, according to the format of the downlink control information, a first time domain resource occupied by a physical channel that performs information transmission with the network device.
  • the method for determining the first time domain resource occupied by the physical channel for performing information transmission according to the format of the downlink control information may refer to determining, in S320, the first time occupied by the physical channel for performing information transmission according to the first information.
  • the method of domain resources is obtained directly.
  • the terminal device and the network device perform information transmission on the first time domain resource by using the physical channel.
  • For specific information transmission methods refer to the related description in S330, and no further description is made here.
  • FIG. 5 is still another information transmission method provided by the present application.
  • the network device determines first information, where the first information may include at least one of a service type, a format of downlink control information, a set of time domain resource length information, a detection period of downlink control information, and a control resource set CORESET configuration period.
  • the network device may obtain the service type from the core network through the service establishment process; the network device may determine the format of the downlink control information according to the data scheduling result; the network device may determine the time domain resource length set according to the protocol predefined or pre-configured information. The network device may determine the detection period of the downlink control information according to the protocol predefined or pre-configured information; the network device may determine the CORESET configuration period according to the protocol predefined or pre-configured information.
  • the network device determines a first time domain resource occupied by a physical channel that performs information transmission with the terminal device.
  • the network device may directly determine, according to the first information, the first time domain resource occupied by the physical channel that performs information transmission.
  • the network device may first determine a time domain resource set corresponding to the first information according to the first information, and then select an appropriate first time domain resource to perform information transmission in the set.
  • the index information of the first time domain resource in the time domain resource set is carried in the second information and sent to the terminal device.
  • the terminal device determines the first information.
  • the method for determining the first information by the specific terminal device is related to the specific content included in the first information, where the first information includes at least one of a service type, a time domain resource length set information, a downlink control information detection period, and a CORESET configuration period.
  • the terminal device may obtain the first information by receiving the signaling from the network device.
  • the terminal device may determine the format of the downlink control information by receiving and detecting the downlink control information.
  • the terminal device may further determine the time domain resource length set information according to the protocol; the terminal device may further determine the detection period of the downlink control information according to the protocol predefined; the terminal device may further determine the CORESET configuration period according to the protocol predefined.
  • the terminal device determines, according to the first information, a first time domain resource occupied by a physical channel that performs information transmission with the network device. For specific determination procedures and methods, reference may be made to the related description in S320.
  • the terminal device and the network device perform information transmission on the first time domain resource by using the physical channel.
  • For specific information transmission methods refer to the related description in S330, and no further description is made here.
  • the time domain resource set corresponding to the first information may have two definition methods, which are respectively described below.
  • a total time domain resource set is defined without distinguishing between application scenarios.
  • the collection can be presented in the form of a table or in the form of a multidimensional array.
  • a time domain resource set for performing data scheduling in the time slot may be as shown in Table 1.
  • the time domain resource set can be given in two dimensions from the position of the start symbol and the position of the end symbol, wherein the position of the start symbol and the position of the end symbol are both numbers within the time slot.
  • the position of the end symbol in the table can also be replaced by the duration, as shown in Table 2.
  • the unit of duration in Table 2 is the time domain symbol (symbol).
  • a list of time slots can be added to the time domain resource set shown in Tables 1 and 2. Taking Table 1 as an example, the number of slots in a column is increased as shown in Table 3. The number of slots is used to indicate the number of slots occupied by the physical channel for information transmission, and the position of the start symbol and the position of the end symbol in Table 3 can be used to indicate information in each slot occupied. The position of the start symbol of the transmission and the position of the end symbol, that is, the position of the start symbol of the information transmission in each slot occupied and the position of the end symbol are the same.
  • the location of the start symbol in Table 3 can also be used to indicate the location of the start symbol in the first slot occupied by the physical channel, and the location of the end symbol is used to indicate the last slot occupied by the physical channel.
  • the position of the end symbol By default, the starting time slot of multi-slot scheduling is the same as the time slot in which the PDCCH is located.
  • a column may be added in Table 3 for indicating the starting time slot number occupied by the physical channel.
  • the number of time slots in Table 3 may be replaced with the starting time slot number.
  • a set of index values is defined from a total time domain resource set as shown in Tables 1 to 3, that is, a set of index values is defined according to the first information.
  • the specific definition can be one of the following:
  • the set of index values is defined according to the combination of the service type, the format of the downlink control information, the time domain resource length set information, the detection period of the downlink control information, and the combination of at least two of the control resource set CORESET configuration periods.
  • time domain resource set can also directly include information of a specific time domain resource, such as a start symbol, an end symbol, and/or a duration. Value without index value information.
  • time domain resource set may be pre-defined by the system or the protocol; or after the network device determines, the first information is notified to the terminal device by using the signaling, and the terminal device determines the time domain corresponding to the first information according to the first information. Resource collection.
  • the index value configured for DCI format 1 is 0 to 19, and the index value configured for DCI format 2 is 20 to 49.
  • the DCI format 1 here may be a compact DCI format, and the DCI format 2 may be an uncompressed DCI format.
  • an index value may be configured, or information of a specific time domain resource may be configured.
  • an index value is configured, or information of a specific time domain resource is configured.
  • the DCI format is a DCI format other than the fallback DCI format and the compressed DCI format; or, the DCI format is a DCI format other than the fallback DCI format; or, the DCI format is a compressed DCI format.
  • the DCI format is different, multiple index values are configured or information of a plurality of specific time domain resources is configured, and the plurality of indexes herein refers to more than one.
  • a possible method for determining the time domain resource set is: for a service with a relatively slow latency requirement, the start symbol of the time domain resource used for information transmission needs to be relatively advanced, that is, Closer to the PDCCH or close to the start position of the slot; for services where the latency requirement is less urgent, the start symbol of the time domain resource for information transmission may be relatively later.
  • the time domain resource set determined by this method can reduce the time domain resource set without affecting the scheduling degree of freedom, thereby reducing the number of bits used in the DCI to indicate the time domain resource.
  • the time domain resource set indicated by the index value of the time domain resource configured for the service may include ⁇ 12 (corresponding to the start symbol is 0, the end symbol is 0), 13 (corresponding to the start symbol is 0, the end symbol is 1), 27 (corresponding to the start symbol is 1, the end symbol is 1) ⁇ .
  • the time domain resource set configured by the index value of the time domain resource configured for the service may be Including ⁇ X1 (corresponding to the start symbol is 5, the end symbol is 13), X2 (corresponding to the start symbol is 6, the end symbol is 13), X3 (corresponding to the start symbol is 5, the end symbol is 12), X4 (corresponding The start symbol is 6, and the end symbol is 12)...X10 (corresponding to the start symbol is 7 and the end symbol is 12) ⁇ .
  • a possible method for determining a time domain resource set is that the time domain resource used for information transmission is limited to a CORESET configuration period, that is, the time domain resource of one information transmission does not Two CORESET configuration cycles across adjacent.
  • the time domain resource set determined by this method can reduce the time domain resource set without affecting the scheduling degree of freedom, thereby reducing the number of bits used in the DCI to indicate the time domain resource.
  • the CORESET configuration period is 2, and assuming that the start symbol is relative to the start position of the PDCCH, the configured time domain resource set represented by the index value of the time domain resource may include ⁇ 12 (corresponding to the start symbol being 0, ending) The symbols are 0), 13 (corresponding to the start symbol is 0, the end symbol is 1), 27 (corresponding to the start symbol is 1, and the end symbol is 1) ⁇ .
  • the CORESET configuration period is 4, and if the start symbol is relative to the start position of the PDCCH, the configured time domain resource set represented by the index value of the time domain resource may include ⁇ X1 (the corresponding start symbol is 0, The end symbol is 0), X2 (corresponding to the start symbol is 0, the end symbol is 1), X3 (corresponding to the start symbol is 0, the end symbol is 2), X4 (corresponding to the start symbol is 0, the end symbol is 3) ...X10 (corresponding to a start symbol of 3 and an end symbol of 3) ⁇ .
  • the time domain resource used for information transmission is limited to a detection period of downlink control information, that is, the time domain resource of one information transmission does not cross two adjacent downlink controls.
  • the detection period of the information can reduce the time domain resource set without affecting the scheduling degree of freedom, thereby reducing the number of bits used in the DCI to indicate the time domain resource.
  • the detection period of the downlink control information is 2 and the format of the DCI is format 1.
  • the time domain resource represented by the index value of the time domain resource configured for the DCI format 1 is configured.
  • the set may include ⁇ 12 (corresponding to the start symbol being 0, the end symbol being 0), 13 (corresponding to the start symbol being 0, the end symbol being 1), 27 (corresponding to the start symbol being 1, and the end symbol being 1) ⁇ .
  • the detection period of the downlink control information is 4 and the format of the DCI is format 1. If the start symbol is relative to the start position of the PDCCH, then the time domain represented by the index value of the time domain resource configured for the DCI format 1 is configured.
  • the resource set may include ⁇ X1 (corresponding start symbol is 0, end symbol is 0), X2 (corresponding start symbol is 0, end symbol is 1), X3 (corresponding start symbol is 0, end symbol is 2), X4 (corresponding to the start symbol is 0, the end symbol is 3)...X10 (corresponding to the start symbol is 3, the end symbol is 3) ⁇ .
  • the following describes the difference between the DCI format and the time domain resource length set as an example.
  • One possible method of determining a set of time domain resources is that the duration of the time domain resources in the set of time domain resources is a subset or a complete set of the set of time domain resource lengths.
  • the time domain resource set determined by this method can reduce the time domain resource set without affecting the scheduling degree of freedom, thereby reducing the number of bits used in the DCI to indicate the time domain resource.
  • the time domain resource length set is ⁇ 2, 4 ⁇ and the DCI format 1, and the start symbol is assumed to be relative to the start position of the PDCCH
  • the time domain resource set configured by the index value configured for the DCI format 1 may include ⁇ Y1 (corresponding to the start symbol is 0, the end symbol is 1), Y2 (corresponding to the start symbol is 0, the end symbol is 2), Y3 (corresponding to the start symbol is 1, the end symbol is 3), Y4 (corresponding to the start The symbol is 1 and the ending symbol is 4) ⁇ .
  • the time domain resource length set is 7 and DCI format 1
  • the start symbol is assumed to be relative to the start position of the PDCCH
  • the time domain resource set configured by the index value configured for the DCI format 1 may include ⁇ Y1 (corresponding to The start symbol is 0, the end symbol is 6), Y2 (corresponding to the start symbol is 1, and the end symbol is 7) ⁇ .
  • the method for determining the time domain resource set according to the first information may be directly obtained by referring to the foregoing embodiment, and details are not described herein.
  • the second method is to distinguish the application scenario and define the time domain resource set, that is, define the time domain resource set according to the first information.
  • the specific definition can be one of the following:
  • the time domain resource set is defined according to the combination of the service type, the format of the downlink control information, the time domain resource length set information, the detection period of the downlink control information, and the combination of at least two of the control resource set CORESET configuration periods.
  • the presentation of the above time domain resource collection may be a table or an array.
  • the time domain resource set configured for the DCI format 1 is as shown in Table 4, and the time domain resource set configured for the DCI format 2 is as shown in Table 5.
  • the DCI format 1 here may be a compact DCI format, and the DCI format 2 may be an uncompressed DCI format.
  • the DCI format is a compressed DCI format
  • only one specific time domain resource information can be configured, that is, the time domain resource has only one possible situation.
  • the DCI format is a fallback DCI format for backoff, only one specific time domain resource information may be configured.
  • the DCI format is a DCI format other than the fallback DCI format and the compressed DCI format; or, the DCI format is a DCI format other than the fallback DCI format; or, the DCI format is a compressed DCI format.
  • the DCI format other than the one the information of multiple specific time domain resources is configured, and the multiples herein refer to more than one.
  • a possible method for determining the time domain resource set is: for a service with a relatively slow latency requirement, the start symbol of the time domain resource used for information transmission needs to be relatively advanced, that is, Closer to the PDCCH or close to the start position of the slot; for services where latency is less urgent, the start symbol of the time domain resource for information transmission may be relatively later.
  • the time domain resource set determined by this method can reduce the time domain resource set without affecting the scheduling degree of freedom, thereby reducing the number of bits used in the DCI to indicate the time domain resource.
  • the time domain resource set indicated by the index value of the time domain resource configured for the service may include ⁇ (The start symbol is 0, the end symbol is 0), (the start symbol is 0, the end symbol is 1), (the start symbol is 1, the end symbol is 1) ⁇ .
  • the time domain resource set configured by the index value of the time domain resource configured for the service may be Including ⁇ (starting symbol is 5, ending symbol is 13), X2 (starting symbol is 6, ending symbol is 13), X3 (starting symbol is 5, ending symbol is 12), X4 (starting symbol is 6) The end symbol is 12)...X10 (starting symbol is 7, end symbol is 12) ⁇ .
  • a possible method for determining a time domain resource set is that the time domain resource used for information transmission is limited to a CORESET configuration period, that is, the time domain resource of one information transmission does not Two CORESET configuration cycles across adjacent.
  • the time domain resource set determined by this method can reduce the time domain resource set without affecting the scheduling degree of freedom, thereby reducing the number of bits used in the DCI to indicate the time domain resource.
  • the CORESET configuration period is 2, and assuming that the start symbol is relative to the start position of the PDCCH, the configured time domain resource set represented by the index value of the time domain resource may include ⁇ (the start symbol is 0, and the end symbol is 0), (starting symbol is 0, ending symbol is 1), (starting symbol is 1, ending symbol is 1) ⁇ .
  • the CORESET configuration period is 4, and if the start symbol is relative to the start position of the PDCCH, the configured time domain resource set represented by the index value of the time domain resource may include ⁇ (the start symbol is 0, the end symbol) 0), (starting symbol is 0, ending symbol is 1), (starting symbol is 0, ending symbol is 2), (starting symbol is 0, ending symbol is 3)... (starting symbol is 3, The ending symbol is 3) ⁇ .
  • the time domain resource used for information transmission is limited to a detection period of downlink control information, that is, the time domain resource of one information transmission does not cross two adjacent downlink controls.
  • the detection period of the information can reduce the time domain resource set without affecting the scheduling degree of freedom, thereby reducing the number of bits used in the DCI to indicate the time domain resource.
  • the detection period of the downlink control information is 2 and the format of the DCI is format 1.
  • the time domain resource set configured for the DCI format 1 may include ⁇ (the start symbol is 0, the end symbol is 0), (the start symbol is 0, the end symbol is 1) and (the start symbol is 1, the end symbol is 1) ⁇ .
  • the detection period of the downlink control information is 4 and the format of the DCI is format 1.
  • the time domain resource configured for the DCI format 1 may include ⁇ (the start symbol is 0, the end symbol is 0), (the start symbol is 0, the end symbol is 1), (the start symbol is 0, the end symbol is 2), (the start symbol is 0, the end symbol is 3)...X10 (from The start symbol is 3 and the end symbol is 3) ⁇ .
  • the following describes the difference between the DCI format and the time domain resource length set as an example.
  • One possible method of determining a set of time domain resources is that the duration of the time domain resources in the set of time domain resources is a subset or a complete set of the set of time domain resource lengths.
  • the time domain resource set determined by this method can reduce the time domain resource set without affecting the scheduling degree of freedom, thereby reducing the number of bits used in the DCI to indicate the time domain resource.
  • the time domain resource set configured for DCI format 1 may include ⁇ (the start symbol is 0, the end symbol is 1), (the start symbol is 0, the end symbol is 2), (the start symbol is 1, the end symbol is 3), (the start symbol is 1, the end symbol is 4) ⁇ .
  • the time domain resource length set is 7 and DCI format 1 and if the start symbol is relative to the start position of the PDCCH, the time domain resource set configured for DCI format 1 may include ⁇ (start symbol is 0, end) The symbol is 6), (the starting symbol is 1, and the ending symbol is 7) ⁇ .
  • the method for determining the time domain resource set according to the first information may be directly obtained by referring to the foregoing embodiment, and details are not described herein.
  • time domain resource set defined in Table 4 and Table 5 above may also increase the number of slots in a column or increase the number of starting slots in a column or increase the number of slots in a column and the number of starting slots in a column.
  • the durations in Tables 4 and 5 can also be replaced with the positions of the end symbols.
  • index value numbers of Tables 1 to 5 above may be numbered from 0 or may be numbered from 1.
  • the index value can be numbered from small to large or from large to small.
  • the table defined by the protocol may be a subset of the above table or a simple extension of the above table.
  • the position of the start symbol and the position of the end symbol in the table can be numbered from 0 or numbered from 1.
  • the order of the columns in the table can be interchanged.
  • the terminal device can directly determine the first time domain resource according to the DCI format. For example, when the format of the DCI is DCI format 1, the location number of the start symbol of the first time domain resource is 1, and the location number of the end symbol is 2; when the format of the DCI is DCI format 2, the first time domain resource The start symbol has a position number of 1, and the end symbol has a position number of 14.
  • the terminal device may also determine the time domain resource set according to the DCI format.
  • the DCI format is compact DCI
  • determine that the time domain resource set is a time domain resource set as shown in Table 4; further, the terminal device carries according to the DCI.
  • the second information further determines the first time domain resource. For example, when the second information is 2, the determined start time of the first time domain resource is 2, and the duration is 1 symbol. Whether the position of the symbol is relative to the PDCCH or the absolute position within the time slot may be systematically or protocol-predefined, or may be notified to the terminal device by the network device after being determined by the network device.
  • the network device and the terminal device can flexibly select the time domain resource for information transmission according to the needs of the specific scenario, and can effectively reduce the load size in the DCI, thereby improving the reliability of the control channel transmission and further improving the data.
  • the reliability of the transmission can be flexibly select the time domain resource for information transmission according to the needs of the specific scenario, and can effectively reduce the load size in the DCI, thereby improving the reliability of the control channel transmission and further improving the data.
  • each device includes a corresponding hardware structure and/or software module for performing each function in order to implement the above functions.
  • the present application can be implemented in a combination of hardware or hardware and computer software in combination with the elements and method steps of the various examples described in the embodiments disclosed herein. Whether a function is implemented in hardware or computer software to drive hardware depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods to implement the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present application.
  • FIG. 6 and FIG. 7 are schematic structural diagrams of two possible communication devices provided by an embodiment of the present application.
  • the communication device implements the functions of the network device in the foregoing method embodiments of FIG. 3, FIG. 4 and FIG. 5, and thus can also achieve the beneficial effects of the foregoing method embodiments.
  • the communication device may be the radio access network device 120 as shown in FIG. 1 or a chip in the radio access network device.
  • the communication device 600 includes a processing unit 610 and a transceiver unit 620.
  • the transceiver unit 620 is configured to send the first information, where the first information includes at least one of a service type, a time domain resource length set information, a detection period of the downlink control information, and a control resource set CORESET configuration period, where the first information is Corresponding to the first time domain resource or the time domain resource set, the time domain resource set includes at least one first time domain resource, where the first time domain resource is a time domain resource occupied by a physical channel for performing information transmission.
  • the transceiver unit 620 is further configured to perform information transmission on the first time domain resource by using the physical channel.
  • the processing unit 610 is configured to perform coded modulation and received information for demodulation and decoding of the information to be transmitted.
  • the transceiver unit 620 is specifically configured to send the first information by using radio resource control RRC signaling.
  • the transceiver unit 620 is further configured to send the second information, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in the time domain resource.
  • the index in the collection is further configured to send the second information, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in the time domain resource.
  • the transceiver unit 620 is configured to send downlink control information, where the format of the downlink control information is corresponding to a first time domain resource or a time domain resource set, where the time domain resource set includes at least one first time domain resource, where the A time domain resource is a time domain resource occupied by a physical channel for information transmission.
  • the transceiver unit 620 is further configured to perform information transmission on the first time domain resource by using the physical channel.
  • the processing unit 610 is configured to perform coded modulation and received information for demodulation and decoding of the information to be transmitted.
  • the transceiver unit 620 is further configured to send the second information, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in the time domain resource.
  • the index in the collection is further configured to send the second information, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in the time domain resource.
  • the processing unit 610 is configured to determine first information, where the first information includes at least one of a service type, a format of downlink control information, a set of time domain resource length information, a detection period of downlink control information, and a control resource set CORESET configuration period.
  • the processing unit 610 is further configured to determine a first time domain resource occupied by a physical channel that performs information transmission with the terminal device.
  • the transceiver unit 620 is configured to perform information transmission on the first time domain resource by using the physical channel.
  • the transceiver unit 620 is further configured to send, by using radio resource control, RRC signaling, when the first information includes at least one of a service type, a time domain resource length set information, a downlink control information detection period, and a CORESET configuration period. a message.
  • the transceiver unit 620 is further configured to send the second information, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in a time domain resource set.
  • the index in the time domain, the set of time domain resources includes at least one first time domain resource, and the set of time domain resources corresponds to the first information.
  • the communication device 700 includes a processor 710, a transceiver 720, and optionally a memory 730, wherein the memory 730 can be used to store code executed by the processor 710.
  • the various components in the communication device 700 communicate with one another via internal connection paths, such as by control and/or data signals over the bus.
  • the processor 710 is configured to perform the functions of the processing unit 610
  • the transceiver 720 is configured to perform the functions of the transceiver unit 620.
  • processing unit 610 the processor 710, the transceiver unit 620, and the transceiver 720 may be directly obtained by referring to the method embodiments shown in FIG. 3, FIG. 4, and FIG.
  • the information transceiving function in the foregoing method embodiment is performed by the transceiver unit 620 or the transceiver 720.
  • the remaining data processing functions are all performed by the processing unit 610 or the processor 710, and are not described herein.
  • the communication device realizes the functions of the terminal device in the method embodiments shown in FIG. 3, FIG. 4 and FIG. 5 described above, and thus the advantageous effects of the above-described method embodiments can also be achieved.
  • the communication device may be the terminal device 130 or the terminal device 140 as shown in FIG. 1, or may be a chip in the terminal device.
  • the communication device 800 includes a transceiving unit 810 and a processing unit 820.
  • the transceiver unit 810 is configured to receive first information, where the first information includes at least one of a service type, a time domain resource length set information, a detection period of the downlink control information, and a control resource set CORESET configuration period, where the first information and the first time domain are used.
  • the time domain resource set includes at least one first time domain resource, where the first time domain resource is a time domain resource occupied by the physical channel that the terminal device performs information transmission with the network device.
  • the processing unit 820 is configured to determine, according to the first information, a first time domain resource occupied by a physical channel that performs information transmission;
  • the transceiver unit 810 is further configured to perform information transmission on the first time domain resource by using the physical channel.
  • the transceiver unit 810 is specifically configured to receive the first information by using radio resource control RRC signaling.
  • the transceiver unit 810 is further configured to receive the second information, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in a time domain resource set. Index in .
  • the transceiver unit 810 is configured to receive downlink control information.
  • the processing unit 820 is configured to determine a format of the downlink control information. Specifically, the processing unit 820 determines the format of the downlink control information by detecting downlink control information on the configured CORESET.
  • the processing unit 820 is further configured to determine, according to the format of the downlink control information, a first time domain resource occupied by a physical channel that performs information transmission.
  • the transceiver unit 810 is further configured to perform information transmission on the first time domain resource by using the physical channel.
  • the transceiver unit 810 is further configured to receive the second information, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in a time domain resource set.
  • the time domain resource set includes at least one first time domain resource, where the time domain resource set corresponds to a format of downlink control information.
  • the processing unit 820 is configured to determine first information, where the first information includes at least one of a service type, a format of downlink control information, time domain resource length set information, a detection period of downlink control information, and a control resource set CORESET configuration period.
  • the processing unit 820 is further configured to determine, according to the first information, a first time domain resource occupied by a physical channel that performs information transmission.
  • the transceiver unit 810 is configured to perform information transmission on the first time domain resource by using the physical channel.
  • the transceiver unit 810 is further configured to receive, by using radio resource control, RRC signaling, when the first information includes at least one of a service type, a time domain resource length set information, a downlink control information detection period, and a CORESET configuration period. a message.
  • RRC radio resource control
  • the transceiver unit 810 is further configured to receive the downlink control information
  • the processing unit 820 is further configured to determine a format of the downlink control information.
  • the transceiver unit 810 is further configured to receive the second information, where the second information is carried in the downlink control information, where the second information is used to indicate that the first time domain resource is in a time domain resource set.
  • the index of the time domain resource includes at least one first time domain resource, and the time domain resource set corresponds to the first information.
  • the communication device 900 includes a processor 920, a transceiver 910, and optionally, a memory 930, wherein the memory 930 can be used to store code executed by the processor 920.
  • the various components in the communication device 900 communicate with one another via internal connection paths, such as by control and/or data signals over the bus.
  • the processor 920 is configured to perform the functions of the processing unit 820
  • the transceiver 910 is configured to perform the functions of the transceiver unit 810.
  • transceiver unit 810 the transceiver 910, the processing unit 820, and the processor 920 may be directly obtained by referring to the method embodiments shown in FIG. 3, FIG. 4, and FIG.
  • the information transceiving function in the foregoing method embodiment is performed by the transceiver unit 810 or the transceiver 910, and the remaining data processing functions are all performed by the processing unit 820 or the processor 920, and are not described herein.
  • Figures 7 and 9 only show one design of the communication device.
  • the communication device can include any number of transceivers and processors, and all communication devices that can implement embodiments of the present application are within the scope of the present application.
  • the network device chip implements the function of the network device in the foregoing method embodiment.
  • the network device chip can send information to other modules in the network device, such as a radio frequency module or an antenna, and the information is sent to the terminal device via other modules of the network device.
  • the network device chip can also receive information from other modules in the network device, and the information is sent by the terminal device to the network device.
  • the terminal device chip implements the function of the terminal device in the foregoing method embodiment.
  • the terminal device chip can send information to other modules in the terminal device, such as a radio frequency module or an antenna, and the information is sent to the network device via other modules of the terminal device.
  • the terminal device chip can also receive information from other modules in the terminal device, and the information is sent by the network device to the terminal device.
  • processors in the embodiment of the present application may be a central processing unit (CPU), and may be other general-purpose processors, digital signal processors (DSPs), and application specific integrated circuits. (Application Specific Integrated Circuit, ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof.
  • a general purpose processor can be a microprocessor or any conventional processor.
  • the method steps in the embodiments of the present application may be implemented by means of hardware, or may be implemented by a processor executing software instructions.
  • the software instructions can be composed of corresponding software modules, which can be stored in random access memory (RAM), flash memory, read-only memory (ROM), programmable read-only memory (Programmable ROM). , PROM), Erasable PROM (EPROM), Electrically Erasable Programmable Read Only Memory (EEPROM), Register, Hard Disk, Mobile Hard Disk, CD-ROM, or well known in the art Any other form of storage medium.
  • An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC. Additionally, the ASIC can be located in a transmitting device or a receiving device. Of course, the processor and the storage medium can also exist as discrete components in the transmitting device or the receiving device.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in or transmitted by a computer readable storage medium.
  • the computer instructions can be from a website site, computer, server or data center to another website site by wire (eg, coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.) Transfer from a computer, server, or data center.
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (eg, a Solid State Disk (SSD)) or the like.
  • plural refers to two or more.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character “/” in this article generally indicates that the contextual object is an “or” relationship; in the formula, the character “/” indicates that the contextual object is a "divide” relationship.

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Abstract

本申请提出了一种信息传输方法和装置，该方法包括：接收第一信息，第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合配置周期中的至少一个，第一信息与第一时域资源或时域资源集合对应，该时域资源集合包括至少一个第一时域资源，第一时域资源为该终端设备与网络设备进行信息传输的物理信道所占用的时域资源；根据第一信息确定进行信息传输的物理信道所占用的第一时域资源；在第一时域资源上通过该物理信道进行信息传输。本申请的方法根据第一信息灵活选择信息传输的时域资源，针对特定场景，使得通过物理下行控制信道指示的比特数减小，从而可以提高物理下行控制信道传输的可靠性。

Description

信息传输方法和装置
本申请要求于2017年09月30日提交中国国家知识产权局、申请号为201710922917.0、发明名称为“信息传输方法和装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，尤其涉及确定无线通信系统中信息传输所使用的时域资源的方法和装置。
背景技术
在长期演进(long term evolution LTE)系统中，网络设备通过在物理下行控制信道(physical downlink control channel，PDCCH)指示物理下行共享信道(physical downlink shared channel，PDSCH)或物理上行共享信道(physical uplink shared channel，PUSCH)的频域位置，从而使得网络设备和终端设备之间能够进行下行或上行数据传输。在LTE系统中，PDSCH和PUSCH的时域资源为一个子帧内除去控制区域后剩余的时域符号。
在第五代(the fifth generation，5G)移动通信系统的新空口(new radio，NR)中定义了不同的时间单元，例如时间单元可以是时域符号、微时隙(mini-slot)、时隙(slot)、子帧或帧。这里的时域符号可以是正交频分复用(orthogonal frequency division multiplexing，OFDM)符号。一个帧的时间长度为10毫秒(millisecond，ms),包括10个子帧，每个子帧的时间长度为1ms。一个时隙对应的时间长度取决于子载波间隔的大小，当子载波间隔为15千赫兹(kilohertz，kHz)时，一个时隙对应的时间长度为1ms；当子载波间隔为60kHz时，一个时隙对应的时间长度为0.25ms。一个时隙包括的时域符号个数与循环前缀(cyclic prefix，CP)的长度有关，在扩展循环前缀情况下一个时隙包括的时域符号个数为12；在普通CP情况下，一个时隙包括的时域符号个数为14。
国际电信联盟(international telecommunication union，ITU)为5G以及未来的移动通信系统定义了三大类应用场景：增强型移动宽带(enhanced mobile broadband，eMBB)、高可靠低时延通信(ultra reliable and low latency communications，URLLC)以及海量机器类通信(massive machine type communications，mMTC)。典型的URLLC业务有：工业制造或生产流程中的无线控制、无人驾驶汽车和无人驾驶飞机的运动控制以及远程修理、远程手术等触觉交互类应用，这些业务的主要特点是要求超高可靠性、低延时，传输数据量较少以及具有突发性。URLLC业务数据对可靠性和时延都要求极高，在达到99.999％的可靠性的前提下，传输时延要求在1ms以内。为了提高URLLC业务数据传输的可靠性，需要降低URLLC业务的控制信道的比特数，包括用于指示URLLC业务的数据信道所占用的时域资源的比特数，从而提高URLLC业务的控制信道的可靠性。
发明内容
本申请提供了一种信息传输方法，通过灵活的选择信息传输的时域资源，可以有效降低下行控制信息的载荷大小，从而提高控制信道传输的可靠性，进一步提高数据传输的可靠性。
第一方面，提供了一种信息传输方法，该方法可以应用于终端设备或无线中继设备， 也可以应用于终端设备或无线中继设备的芯片，包括：接收第一信息，第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个，第一信息与第一时域资源或时域资源集合对应，该时域资源集合包括至少一个第一时域资源，第一时域资源为该终端设备与网络设备进行信息传输的物理信道所占用的时域资源；根据第一信息确定进行信息传输的物理信道所占用的第一时域资源；在第一时域资源上通过该物理信道进行信息传输。根据第一信息灵活选择信息传输的时域资源，针对特定场景，使得通过物理下行控制信道指示的比特数减小，从而可以提高物理下行控制信道传输的可靠性。
在第一方面的一种可能的实现方式中，通过无线资源控制RRC信令接收所述第一信息。通过RRC信令通知第一信息，与通过PDCCH信令通知相比，可以降低PDCCH的信令开销，提高PDCCH传输的可靠性。
在第一方面的一种可能的实现方式中，根据第一信息确定进行信息传输的物理信道所占用的第一时域资源包括：根据所述第一信息确定所述物理信道的持续时间；或者，根据所述第一信息确定所述物理信道的结束符号的位置；或者，根据所述第一信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，根据所述第一信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。在该实现方式中，第一信息与第一时域资源对应。
在第一方面的一种可能的实现方式中，接收第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引，所述时域资源集合包括至少一个第一时域资源，所述时域资源集合与所述第一信息对应；所述根据第一信息确定进行信息传输的物理信道所占用的第一时域资源包括：根据所述第一信息和所述第二信息确定所述物理信道的持续时间；或者，根据所述第一信息和所述第二信息确定所述物理信道的结束符号的位置；或者，根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。在该实现方式中，第一信息与时域资源集合对应，第一信息可以系统预定义或协议预定义，或者网络设备确定后通过RRC信令通知终端设备，在PDCCH上只需要携带第二信息，用于指示第一时域资源在时域资源集合中的索引信息即可，降低了PDCCH中承载的控制信息的比特大小，提高了PDCCH传输的可靠性。
在第一方面的一种可能的实现方式中，所述物理信道为物理下行共享信道或物理上行共享信道。
第二方面，提供了一种信息传输方法，该方法可以应用于网络设备，也可以应用于网络设备的芯片。该方法是与第一方面对应的网络侧的方法，因此也可以实现第一方面的有益效果。该方法包括：发送第一信息，第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个，第一信息与第一时域资源或时域资源集合对应，该时域资源集合包括至少一个第一时域资源，第一时域资源为该终端设备与网络设备进行信息传输的物理信道所占用的时域资源；在第一时域资源上通过该物理信道进行信息传输。
在第二方面的一种可能的实现方式中，通过无线资源控制RRC信令发送所述第一信 息。
在第二方面的一种可能的实现方式中，发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。
在第二方面的一种可能的实现方式中，所述物理信道为物理下行共享信道或物理上行共享信道。
第三方面，提供了一种信息传输方法，该方法可以应用于终端设备或无线中继设备，也可以应用于终端设备或无线中继设备的芯片。该方法是与第一方面并列的方法，也可以实现第一方面的有益效果，该方法包括：接收下行控制信息，该下行控制信息的格式对应第一时域资源或时域资源集合，该时域资源集合包括至少一个第一时域资源，第一时域资源为该终端设备与网络设备进行信息传输的物理信道所占用的时域资源；确定该下行控制信息的格式；根据该下行控制信息的格式确定进行信息传输的物理信道所占用的第一时域资源；在第一时域资源上通过该物理信道进行信息传输。
在第三方面的一种可能的实现方式中，根据下行控制信息的格式确定进行信息传输的物理信道所占用的第一时域资源包括：根据所述下行控制信息的格式确定所述物理信道的持续时间；或者，根据所述下行控制信息的格式确定所述物理信道的结束符号的位置；或者，根据所述下行控制信息的格式确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，根据所述下行控制信息的格式确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。在该实现方式中，下行控制信息的格式与第一时域资源对应。
在第三方面的一种可能的实现方式中，接收第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引，所述时域资源集合包括至少一个第一时域资源，所述时域资源集合与所述第一信息对应；所述根据下行控制信息的格式确定进行信息传输的物理信道所占用的第一时域资源包括：根据所述下行控制信息的格式和所述第二信息确定所述物理信道的持续时间；或者，根据所述下行控制信息的格式和所述第二信息确定所述物理信道的结束符号的位置；或者，根据所述下行控制信息的格式和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，根据所述下行控制信息的格式和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。在该实现方式中，下行控制信息的格式与时域资源集合对应，在PDCCH上只需要携带第二信息，用于指示第一时域资源在时域资源集合中的索引信息即可，降低了PDCCH中承载的控制信息的比特大小，提高了PDCCH传输的可靠性。
在第三方面的一种可能的实现方式中，所述物理信道为物理下行共享信道或物理上行共享信道。
第四方面，提供了一种信息传输方法，该方法可以应用于网络设备，也可以应用于网络设备的芯片。该方法是与第三方面对应的网络侧的方法，因此也可以实现第三方面的有益效果。该方法包括：发送下行控制信息，所述下行控制信息的格式与第一时域资源或时域资源集合对应，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；在所述第一时域资源上通过所 述物理信道进行信息传输。
在第四方面的一种可能的实现方式中，发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。
在第四方面的一种可能的实现方式中，所述物理信道为物理下行共享信道或物理上行共享信道。
第五方面，提供了一种信息传输方法，该方法可以应用于终端设备或无线中继设备，也可以应用于终端设备或无线中继设备的芯片，包括：确定第一信息，所述第一信息包括业务类型、下行控制信息的格式、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个；根据所述第一信息确定进行信息传输的物理信道所占用的第一时域资源；在所述第一时域资源上通过所述物理信道进行信息传输。根据第一信息灵活选择信息传输的时域资源，针对特定场景，使得通过物理下行控制信道指示的比特数减小，从而可以提高物理下行控制信道传输的可靠性。
在第五方面的一种可能的实现方式中，当所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和CORESET配置周期中的至少一个时，所述确定第一信息具体包括：通过无线资源控制RRC信令接收所述第一信息。通过RRC信令通知第一信息，与通过PDCCH信令通知相比，可以降低PDCCH的信令开销，提高PDCCH传输的可靠性。
在第五方面的一种可能的实现方式中，所述第一信息包括所述下行控制信息的格式时，所述确定第一信息具体包括：接收所述下行控制信息并确定所述下行控制信息的格式。
在第五方面的一种可能的实现方式中，根据第一信息确定进行信息传输的物理信道所占用的第一时域资源包括：根据所述第一信息确定所述物理信道的持续时间；或者，根据所述第一信息确定所述物理信道的结束符号的位置；或者，根据所述第一信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，根据所述第一信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。在该实现方式中，第一信息与第一时域资源对应。
在第五方面的一种可能的实现方式中，接收第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引，所述时域资源集合包括至少一个第一时域资源，所述时域资源集合与所述第一信息对应；所述根据第一信息确定进行信息传输的物理信道所占用的第一时域资源包括：根据所述第一信息和所述第二信息确定所述物理信道的持续时间；或者，根据所述第一信息和所述第二信息确定所述物理信道的结束符号的位置；或者，根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。在该实现方式中，第一信息与时域资源集合对应，第一信息可以系统预定义或协议预定义，或者网络设备确定后通过RRC信令通知终端设备，在PDCCH上只需要携带第二信息，用于指示第一时域资源在时域资源集合中的索引信息即可，降低了PDCCH中承载的控制信息的比特大小，提高了PDCCH传输的可靠性。
在第五方面的一种可能的实现方式中，所述物理信道为物理下行共享信道或物理上行共享信道。
第六方面，提供了一种信息传输方法，该方法可以应用于网络设备，也可以应用于网络设备的芯片。该方法是与第一方面对应的网络侧的方法，因此也可以实现第一方面的有益效果。该方法包括：确定第一信息，所述第一信息包括业务类型、下行控制信息的格式、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合配置周期中的至少一个；根据所述第一信息确定进行信息传输的物理信道所占用的第一时域资源；在所述第一时域资源上通过所述物理信道进行信息传输。
在第六方面的一种可能的实现方式中，当所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和CORESET配置周期中的至少一个时，所述方法还包括：通过无线资源控制RRC信令发送所述第一信息。
在第六方面的一种可能的实现方式中，发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引，所述时域资源集合包括至少一个第一时域资源，所述时域资源集合与所述第一信息对应。
第七方面，提供了一种通信装置，包括处理单元、收发单元，以执行第一方面或第一方面的任意可能的实现方式中的方法，或执行第三方面或第三方面的任意可能的实现方式中的方法，或执行第五方面或第五方面的任意可能的实现方式中的方法，其中收发单元执行上述方法中的信息收发和信息传输功能，处理单元执行上述方法中的数据处理功能。
第八方面，提供了一种通信装置，包括处理器和收发器，可以选的，还包括存储器，以执行第一方面或第一方面的任意可能的实现方式中的方法，或执行第三方面或第三方面的任意可能的实现方式中的方法，或执行第五方面或第五方面的任意可能的实现方式中的方法，其中收发器执行上述方法中的信息收发和信息传输功能，处理器执行上述方法中的数据处理功能。
第九方面，提供了一种通信装置，包括处理单元、收发单元，以执行第二方面或第二方面的任意可能的实现方式中的方法，或执行第四方面或第四方面的任意可能的实现方式中的方法，或执行第六方面或第六方面的任意可能的实现方式中的方法，其中收发单元执行上述方法中的信息收发和信息传输功能，处理单元执行上述方法中的数据处理功能。
第十方面，提供了一种通信装置，包括处理器和收发器，可以选的，还包括存储器，以执行第二方面或第二方面的任意可能的实现方式中的方法，或执行第四方面或第四方面的任意可能的实现方式中的方法，或执行第六方面或第六方面的任意可能的实现方式中的方法，其中收发器执行上述方法中的信息收发和信息传输功能，处理器执行上述方法中的数据处理功能。
第十一方面，提了供一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当其在计算机上运行时，使得计算机执行第一方面或第一方面的任意可能的实现方式中的方法，或执行第三方面或第三方面的任意可能的实现方式中的方法，或执行第五方面或第五方面的任意可能的实现方式中的方法。
第十二方面，提了供一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当其在计算机上运行时，使得计算机执行第二方面或第二方面的任意可能的实现方式中的方法，或执行第四方面或第四方面的任意可能的实现方式中的方法，或执行第六方面或第六方面的任意可能的实现方式中的方法。
第十三方面，提供了一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行第一方面或第一方面的任意可能的实现方式中的方法，或执行第三方面或第三方面的任意可能的实现方式中的方法，或执行第五方面或第五方面的任意可能的实现方式中的方法。
第十四方面，提供了一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行第二方面或第二方面的任意可能的实现方式中的方法，或执行第四方面或第四方面的任意可能的实现方式中的方法，或执行第六方面或第六方面的任意可能的实现方式中的方法。
第十五方面，提供了一种网络设备的芯片产品，执行第一方面或第一方面的任意可能的实现方式中的方法，或执行第三方面或第三方面的任意可能的实现方式中的方法，或执行第五方面或第五方面的任意可能的实现方式中的方法。
第十六方面，提供了一种终端设备的芯片产品，执行第二方面或第二方面的任意可能的实现方式中的方法，或执行第四方面或第四方面的任意可能的实现方式中的方法，或执行第六方面或第六方面的任意可能的实现方式中的方法。
附图说明
图1为本申请的实施例应用的移动通信系统的架构示意图；
图2为本申请的实施例提供的控制资源集合的示意图；
图3为本申请的实施例提供的一种信息传输方法示意图；
图4为本申请的实施例提供的另一种信息传输方法示意图；
图5为本申请的实施例提供的又一种信息传输方法示意图；
图6为本申请的实施例提供的一种装置结构示意图；
图7为本申请的实施例提供的另一种装置结构示意图；
图8为本申请的实施例提供的另一种装置结构示意图；
图9为本申请的实施例提供的另一种装置结构示意图。
具体实施方式
图1是本申请的实施例应用的移动通信系统的架构示意图。如图1所示，该移动通信系统包括核心网设备110、无线接入网设备120和至少一个终端设备(如图1中的终端设备130和终端设备140)。终端设备通过无线的方式与无线接入网设备相连，无线接入网设备通过无线或有线方式与核心网设备连接。核心网设备与无线接入网设备可以是独立的不同的物理设备，也可以是将核心网设备的功能与无线接入网设备的逻辑功能集成在同一个物理设备上，还可以是一个物理设备上集成了部分核心网设备的功能和部分的无线接入网设备的功能。终端设备可以是固定位置的，也可以是可移动的。图1只是示意图，该通信系统中还可以包括其它网络设备，如还可以包括无线中继设备和无线回传设备，在图1中未画出。本申请的实施例对该移动通信系统中包括的核心网设备、无 线接入网设备和终端设备的数量不做限定。
无线接入网设备是终端设备通过无线方式接入到该移动通信系统中的接入设备，可以是基站NodeB、演进型基站eNodeB、5G移动通信系统或新一代无线(new radio，NR)通信系统中的基站、未来移动通信系统中的基站、WiFi系统中的接入节点等，本申请的实施例对无线接入网设备所采用的具体技术和具体设备形态不做限定。无线接入网设备还可以包括无线中继设备(图1中未示出)，基站通过该无线中继设备接入到核心网设备110中。在本申请中，无线接入网设备简称网络设备，如果无特殊说明，在本申请中，网络设备均指无线接入网设备。在本申请中，5G和NR可以等同。
终端设备也可以称为终端Terminal、用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端(mobile terminal，MT)等。终端设备可以是手机(mobile phone)、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(Virtual Reality，VR)终端设备、增强现实(Augmented Reality，AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等等。
无线接入网设备和终端设备可以部署在陆地上，包括室内或室外、手持或车载；也可以部署在水面上；还可以部署在空中的飞机、气球和人造卫星上。本申请的实施例对无线接入网设备和终端设备的应用场景不做限定。
本申请的实施例中的信息传输可以通过授权频谱(licensed spectrum)进行通信，也可以通过免授权频谱(unlicensed spectrum)进行通信，也可以同时通过授权频谱和免授权频谱进行通信。无线接入网设备和终端设备之间以及终端设备和终端设备之间可以通过6吉兆赫(gigahertz，GHz)以下的频谱进行通信，也可以通过6GHz以上的频谱进行通信，还可以同时使用6GHz以下的频谱和6GHz以上的频谱进行通信。本申请的实施例对信息传输所使用的频谱资源不做限定。
本申请的实施例可以适用于以下信息传输场景：下行信息传输；上行信息传输；设备到设备(device to device，D2D)的信息传输；无线中继信息传输。对于下行信息传输，发送设备是无线接入网设备，对应的接收设备是终端设备。对于上行信息传输，发送设备是终端设备，对应的接收设备是无线接入网设备。对于D2D的信息传输，发送设备是终端设备，对应的接收设备也是终端设备。对于无线中继信息传输，发送设备是无线中继设备或基站，接收设备是无线中继设备或基站。本申请的实施例对信号的传输方向不做限定。
下面以下行信息传输以及上行信息传输为例进行描述。但本申请中的方法也可以应用到D2D的信息传输以及无线中继信息传输。
为了便于理解本申请，下面先介绍本申请涉及的一些基本概念。
(一)控制信道和数据信道
网络设备可以通过数据信道给终端设备发送数据，为了让终端设备可以正确接收数据信道上的数据，网络设备和终端设备之间需要就数据传输的一些传输参数达成一致的理解。例如，这些参数可以包括调制编码方案(modulation and coding scheme，MCS)、 传输块大小(transport block size，TBS)、冗余版本(redundancy version，RV)、混合自动重传请求(hybrid automatic repeat request，HARQ)进程号、资源块分配(resource block assignment，RA)、预编码信息(precoding information，PCI)或预编码指示(precoding indicator，PCI)等信息。这些传输参数可以是通过协议预定义，也可以是通过信令由网络设备发送给终端设备。在本申请中，如无特殊说明，信令可以包括无线资源控制(radio resource control，RRC)信令、媒体接入控制(medium access control，MAC)层信令和物理层信令中的至少一种。
这些传输参数用于控制数据在数据信道上的传输，当终端设备获得了这些传输参数后，就可以接收数据信道的数据、并对接收到的数据进行解调和译码。例如，对于下行数据传输，数据信道可以为物理下行共享信道(physical downlink shared channel，PDSCH)，控制数据在PDSCH上传输的控制参数通过物理下行控制信道(physical downlink control channel，PDCCH)进行传输；对于上行数据传输，数据信道可以为物理上行共享信道(physical uplink shared channel，PUSCH)，控制数据在PUSCH上传输的控制参数通过PDCCH从网络设备传输给终端设备。
在本申请中，以控制信道是PDCCH为例、数据信道以PDSCH和PUSCH为例进行描述，在描述上控制信道与PDCCH可以等同，但本申请对控制信道和数据信道的具体名称不作限定。
需要说明的是，PDSCH和PUSCH除了可以传输数据之外，还可以传输控制信息。在本申请中，信息传输可以是PDSCH或PUSCH上的数据传输，也可以是PDSCH或PUSCH上的控制信息传输。
(二)PDCCH承载下行控制信息(downlink control information，DCI)
PDCCH上承载调度分配信息以及其它控制信息，PDCCH上承载的信息可以统称为DCI。上述传输参数可能为DCI中的一部分。不同场景下的DCI载荷的大小可能不同，从而导致DCI格式有可能不同，进而用于传输PDCCH的资源大小可能不同。例如，调度上行数据传输与调度下行数据传输的DCI的载荷大小可能不同；调度单流下行数据传输以及调度多流下行数据传输的DCI的载荷大小也可能不同；调度eMBB业务以及调度URLLC业务的DCI的载荷大小也可能不同。
为了增强终端设备对DCI的检错能力，网络设备对DCI进行了循环冗余码(cyclic redundancy code，CRC)校验，生成对应的CRC。为了区分不同场景、不同用途、不同格式的DCI，网络设备使用不同的无线网络临时标识(radio network temporary ident ifier，RNTI)对CRC进行了加扰。加扰后的CRC与DCI一起进行信道编码和调制，然后映射到PDCCH上发送给终端设备。
在本申请中，DCI的格式包括DCI的载荷大小、RNTI以及DCI中包括的各个字段的定义。DCI的载荷大小(payload size)不同，可以认为DCI的格式不同；加扰的RNTI不同，也可以认为DCI的格式不同；DCI中包括的各个字段的定义不同，也可以认为DCI的格式不同。这里的字段的定义可以包括字段在DCI中所处的位置、字段的比特长度以及字段所表示的具体含义。这里的载荷大小可以是DCI中各个字段的总比特数，也可以是DCI中各个字段的总比特数加上CRC的长度。
(三)控制资源集合(control resource set，CORESET)
图2本申请实施例提供的一种CORESET示意图。如图2所示，一个CORESET是一块时域连续、频域连续或不连续的时频资源，用于承载PDCCH。一个CORESET可以对应一个用户设备(user equipment，UE)，也可以对应一组UE，例如CORESET 1对应UE1，UE2，UE3和UE4，而CORESET2对应UE4，UE5，UE6和UE7。在CORESET 1上可以发送UE1、UE2、UE3和UE4的PDCCH，在CORESET 2上可以发送UE4、UE5、UE6和UE7的PDCCH。一个用户可以对应多个CORESET，这些CORESET上的numerology可以相同也可以不同。这里的numerology包括子载波间隔和循环前缀(cyclic prefix，CP)长度。在时域上相邻的同一个CORESET的间隔称为CORESET配置周期，如图2所示，相邻的两个CORESET2之间的间隔称为CORESET 2的配置周期。
在NR中，可以支持各种调度场景，包括基于时隙的调度(slot based scheduling)和基于非时隙的调度(non-slot based scheduling)，其中，基于时隙的调度又包括单slot调度和多slot调度，基于非时隙的调度又称为基于单个mini-slot的调度或多个mini-slot的调度，或单个符号级的调度，或多个符号级的调度。正因为调度场景的多样性，所以终端设备需要获得调度的时域资源信息，以确定PDSCH或PUSCH在本次数据传输中所占用的时域资源。在本申请中，如无特殊说明，符号与时域符号等同，时域资源可以是一个或多个slot，也可以是一个或多个mini-slot，也可以是一个或多个符号。时域资源在时间上可以是连续的，也可以是离散的。
如果数据传输所占用的时域资源在时间上是离散的，则可以在DCI中携带比特位图用于指示时域资源。如图2所示，一个时隙中的数据区域有10个符号，如果一次调度不超过一个时隙，则可以使用10比特的比特位图用于指示本次调度所占用的时域资源。
如果数据传输所占用的时域资源在时间上是连续的，则可以通过数据传输的起始符号和数据传输的持续时间确定数据传输所占用的时域资源。例如，起始符号为第5个符号，持续时间为4个符号，则可以确定数据传输所占用的时域资源为第5、6、7、8四个符号。也可以通过数据传输的起始符号和结束符号确定数据传输占用的时域资源。例如，起始符号为第5个符号，结束符号为第8个符号，同样可以确定出数据传输所占用的时域资源为第5、6、7、8四个符号。对于包括14个符号的时隙，所有的开始符号和结束符号的组合一共有105种。如果在DCI中采用直接指示时域资源的方法，则需要7比特。如果考虑到多时隙调度，则需要更多的比特来指示时域资源。URLLC业务对PDCCH的可靠性要求很高，DCI载荷过大会导致PDCCH的可靠性难以满足URLLC的业务需求。
如图3所示，本申请提供了一种信息传输方法，该信息传输方法通过自适应选择不同调度场景下确定数据传输所占用的时域资源的方法，可以有效地降低PDCCH的载荷大小，从而提升PDCCH的可靠性，进而提高数据传输可靠性。
S310，网络设备向终端设备发送第一信息，第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个，第一信息与第一时域资源或时域资源集合对应，该时域资源集合包括至少一个第一时域资源，第一时域资源为该终端设备与网络设备进行信息传输的物理信道所占用的时域资源。第一信息可以通过信令承载。对应的，终端设备接收第一信息。
这里的第一信息与第一时域资源或时域资源集合对应，也可以理解为第一信息用于指示第一时域资源或时域资源集合。示例性的，终端设备通过接收到第一信息中的内容， 确定与第一信息对应的第一时域资源或时域资源集合。又例如，终端设备通过接收到第一信息中的内容，该内容直接指示了第一时域资源或时域资源集合。
在本申请中，信息传输的物理信道可以是控制信道也可以是数据信道。对于下行信息传输，物理信道可以为PDSCH；对于上行信息传输，物理信道可以为PUSCH。
时域资源可以通过起始位置、结束位置、持续时间中任意两个确定，起始位置、结束位置、持续时间的单位可以是时域符号、mini-slot、时隙、子帧和帧中的任意一个。当起始位置、结束位置的单位是时域符号时，起始位置和结束位置可以是在时隙内的绝对位置也可以是时隙内相对于PDCCH的相对位置。当起始位置、结束位置的单位是mini-slot时，起始位置和结束位置可以是在时隙内的绝对位置也可以是时隙内相对于PDCCH的相对位置；起始位置和结束位置可以是在子帧内的绝对位置也可以是子帧内相对于PDCCH的相对位置；起始位置和结束位置可以是在帧内的绝对位置也可以是帧内相对于PDCCH的相对位置。起始位置、结束位置、持续时间的单位可以相同，也可以不同。示例性的，起始位置是时隙内的绝对位置，持续时间的单位为mini-slot，如起始位置是符号0，持续时间是2个mini-slot，如果mini-slot的长度和持续时间的单位是预定义或者高层信令配置的，那么时域资源就可以通过以上几个信息确定。
这里的业务类型可以包括：eMBB业务，URLLC业务和uMTC业务。业务类型还可以根据QoS需求进一步细化，也可以结合终端用户的等级(例如，金牌用户、银牌用户或铜牌用户等)进一步细化。业务类型可以由网络设备通过信令通知给终端设备，例如可以通过RRC信令通知终端设备，也可以通过逻辑信道类型通知终端设备。
时域资源长度集合是指信息传输可能的持续时间的集合。其中，信息传输可能的持续时间可以为1-14个符号(symbol)，1个或多个mini-slot，1个或多个slot。例如，信息传输可能的持续时间为1个符号(symbol)，2个symbol，4个symbol，7个symbol，14个symbol，则时域资源长度集合为{1,2,4,7,14}。系统或协议可以为不同的业务类型预定义相同的时域资源长度集合，也可以为不同的业务类型预定义不同的时域资源长度集合。当不同业务类型的时域资源长度集合相同时，网络设备无需给终端设备发送该时域资源长度集合信息。当不同业务类型的时域资源长度集合不同时，终端设备可以通过信令获取业务类型，再根据业务类型确定对应的时域资源长度集合。时域资源长度集合也可以由网络设备确定，然后通过信令通知给终端设备，例如，通过RRC信令通知终端设备。通过信令通知给终端设备的时域资源长度集合信息可以是该时域资源长度集合的一个索引或编号。
下行控制信息的检测周期可以由系统或协议预定义，此时网络设备无需通过信令将下行控制信息的检测周期发送给终端设备。下行控制信息的检测周期也可以根据不同的需求由网络设备确定，然后网络设备将下行控制信息的检测周期通过信令通知给终端设备。
CORESET配置周期可以由系统或协议预定义，此时网络设备无需通过信令将CORESET配置周期发送给终端设备。CORESET配置周期也可以根据不同的需求由网络设备确定，然后网络设备将CORESET配置周期通过信令通知给终端设备。
S320，终端设备根据第一信息确定与网络设备进行信息传输的物理信道所占用的第一时域资源。
当第一信息与第一时域资源对应时，终端设备可以直接根据第一信息确定进行信息传输的物理信道所占用的第一时域资源。具体的，当物理信道的起始符号的位置由系统或协议预定义时，终端设备可以根据第一信息确定所述物理信道的持续时间(time duration)；或者，根据第一信息确定物理信道的结束符号的位置。终端设备可以根据第一信息确定物理信道的起始符号的位置和物理信道的持续时间；或者，根据第一信息确定物理信道的起始符号的位置和物理信道的结束符号的位置。物理信道的持续时间也可以称为物理信道的时间长度(time length)。
这里物理信道的起始符号的位置和结束符号的位置可以是相对于PDCCH的起始符号的位置，例如PDCCH的起始符号在时隙中的位置编号为3，物理信道的起始符号在时隙中的位置编号为7，则物理信道的起始符号的位置取值为4；PDCCH的起始符号在时隙中的位置编号为3，物理信道的起始符号在时隙中的位置编号为3，则物理信道的起始符号的位置取值为0。上述位置编号是从0开始编号的，可以理解的是，位置编号也可以从1开始编号。物理信道的起始符号的位置和结束符号的位置也可以是时隙内的符号位置的绝对编号，例如，对于包括14个符号的时隙，符号位置为0到13中的某一个值。
当第一信息与时域资源集合对应时，第一信息可以用于指示时域资源集合，然后通过第二信息指示第一时域资源在时域资源集合中的索引，从而确定用于信息传输的物理信道所占用的第一时域资源。
具体的，网络设备给终端设备发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。终端设备获取第二信息后，根据所述第一信息和所述第二信息确定所述物理信道的持续时间；或者，根据所述第一信息和所述第二信息确定所述物理信道的结束符号的位置；或者，根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。
S330，终端设备与网络设备在第一时域资源上通过该物理信道进行信息传输。
具体的，对于下行信息传输，网络设备在第一时域资源上通过该物理信道发送信息，终端设备在第一时域资源上通过该物理信道接收信息；对于上行信息传输，终端设备在第一时域资源上通过该物理信道发送信息，网络设备在第一时域资源上通过该物理信道接收信息。
如图4所示，本申请提供了另一种信息传输方法，该信息传输方法根据下行控制信息的格式确定不同调度场景下数据传输所占用的时域资源的方法，可以有效地降低PDCCH的载荷大小，从而提升PDCCH的可靠性，进而提高数据传输的可靠性。
S410，网络设备向终端设备发送下行控制信息，该下行控制信息的格式对应第一时域资源或时域资源集合，该时域资源集合包括至少一个第一时域资源，第一时域资源为该终端设备与网络设备进行信息传输的物理信道所占用的时域资源。对应的，终端设备接收该下行控制信息。具体的，该下行控制信息可以承载在PDCCH上。
S420，终端设备确定该下行控制信息的格式。具体的，终端设备通过在配置的CORESET上对下行控制信息进行检测以确定下行控制信息的格式。
S430，终端设备根据该下行控制信息的格式确定与网络设备进行信息传输的物理信道所占用的第一时域资源。具体的，根据下行控制信息的格式确定进行信息传输的物理信道所占用的第一时域资源的方法，可以参考S320中根据所述第一信息确定进行信息传输的物理信道所占用的第一时域资源的方法直接得到。
S440，终端设备与网络设备在第一时域资源上通过该物理信道进行信息传输。具体的信息传输方法，可以参考S330中的相关描述，这里不加赘述。
图3和图4所示的实施例可以结合形成新的实施例，如图5所示。图5为本申请提供的又一种信息传输方法。
S511，网络设备确定第一信息，第一信息可以包括业务类型、下行控制信息的格式、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个。
具体的，网络设备可以通过业务建立过程中从核心网获取业务类型；网络设备可以根据数据调度的结果确定下行控制信息的格式；网络设备可以根据协议预定义或预配置信息确定时域资源长度集合信息；网络设备可以根据协议预定义或预配置信息确定下行控制信息的检测周期；网络设备可以根据协议预定义或预配置信息确定CORESET配置周期。
S512，网络设备确定与终端设备进行信息传输的物理信道所占用的第一时域资源。
当第一信息与第一时域资源对应时，网络设备可以根据第一信息直接确定进行信息传输的物理信道所占用的第一时域资源。
当第一信息与时域资源集合对应时，网络设备可以先根据第一信息确定与该第一信息对应的时域资源集合，然后在该集合内选择合适的第一时域资源进行信息传输，并将该第一时域资源在该时域资源集合中的索引信息承载在第二信息中发送给终端设备。
S521，终端设备确定第一信息。
具体的终端设备确定第一信息的方法与第一信息所包括的具体内容相关，当第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和CORESET配置周期中的至少一个时，终端设备可以通过接收来自网络设备的信令获取第一信息；当第一信息包括下行控制信息的格式时，终端设备可以通过接收并检测下行控制信息，从而确定下行控制信息的格式。终端设备还可以根据协议预定义确定时域资源长度集合信息；终端设备还可以根据协议预定义确定下行控制信息的检测周期；终端设备还可以根据协议预定义确定CORESET配置周期。
S522，终端设备根据所述第一信息确定与网络设备进行信息传输的物理信道所占用的第一时域资源。具体的确定过程和方法可以参考S320中的相关描述。
S530，终端设备与网络设备在第一时域资源上通过该物理信道进行信息传输。具体的信息传输方法，可以参考S330中的相关描述，这里不加赘述。
下面对上述三个实施例中的实现细节做进一步描述。
与第一信息对应的时域资源集合可以有两种定义方法，下面分别描述。
方法一，不区分应用场景，定义一个总的时域资源集合。该集合可以以表格的形式呈现，也可以以多维数组的形式呈现。以包括14个符号的时隙为例，在该时隙内进行数据调度的时域资源集合可以如表1所示。时域资源集合可以从起始符号的位置和结束 符号的位置两个维度来给出，其中，起始符号的位置和结束符号的位置均为时隙内的编号。该表格中的结束符号的位置也可以替换为持续时间，如表2所示。表2中的持续时间的单位为时域符号(symbol)。
表1
索引值 起始符号的位置 结束符号的位置
0 0 13
1 0 12
2 0 11
… … …
14 1 13
15 1 12
… … ..
102 12 13
103 12 12
104 13 13
表2
索引值 起始符号的位置 持续时间(symbol)
0 0 14
1 0 13
2 0 12
… … …
14 1 13
15 1 12
… … ..
102 12 2
103 12 1
104 13 1
当支持多时隙调度的时候，可以在表1和表2所示的时域资源集合中增加一列时隙个数。以表1为例，增加一列时隙个数之后如表3所示。时隙个数一列用于指示进行信息传输的物理信道所占用的时隙个数，表3中的起始符号的位置和结束符号的位置可以用于表示所占用的每个时隙中信息传输的起始符号的位置和结束符号的位置，即所占用 的每个时隙中的信息传输的起始符号的位置和结束符号的位置都相同。表3中的起始符号的位置也可以用于指示物理信道所占用的第一个时隙中的起始符号的位置，结束符号的位置用于指示物理信道所占用的最后一个时隙中的结束符号的位置。缺省的情况下，多时隙调度的起始时隙与PDCCH所在的时隙相同。当支持进行信息传输的物理信道所占用的起始时隙与PDCCH所在的时隙不同时，可以在表3中增加一列，用于指示物理信道所占用的起始时隙编号。当不支持多时隙调度，但支持物理信道所占用的起始时隙与PDCCH所在的时隙不同时，则可以将表3中的时隙个数替换为起始时隙编号。
表3
索引值 起始符号的位置 结束符号的位置 时隙个数
0 0 13 1
1 0 12 1
2 0 11 1
… … … 1
14 1 13 1
15 1 12 1
… … .. 1
102 12 13 1
103 12 12 1
104 13 13 1
… … … 2
… … … 3
进一步的，根据不同的应用场景，从如表1至3所示的总的时域资源集合中定义索引值的集合，即根据第一信息的不同，定义索引值的集合。具体的定义方式可以为以下几种中的一种：
根据DCI的格式定义索引值的集合；
根据业务类型定义索引值的集合；
根据时域资源长度集合定义索引值的集合；
根据下行控制信息的检测周期定义索引值的集合；
根据CORESET配置周期定义索引值的集合；
根据业务类型、下行控制信息的格式、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中至少两个的组合的取值，定义索引值的集合。
以上是通过定义索引值的集合来定义时域资源集合，可以理解的是，时域资源集合也可以直接包括具体的时域资源的信息，例如起始符号，结束符号和/或持续时间的取值，而没有索引值信息。
对于不同的第一信息，可以定义不同的时域资源集合也可以定义相同的时域资源集 合。具体的，该时域资源集合可以是系统或协议预先定义；也可以是网络设备确定后，通过信令将第一信息通知给终端设备，终端设备根据第一信息确定第一信息对应的时域资源集合。
下面以DCI的格式不同为例进行说明，给DCI格式1配置的索引值为0到19，给DCI格式2配置的索引值为20到49。这里的DCI格式1可以是压缩的DCI格式(compact DCI format)，DCI格式2可以是非压缩的DCI格式。又例如，DCI格式为压缩的DCI格式时，可以配置一个索引值，或者配置一个具体的时域资源的信息。又例如，DCI格式为用于回退的DCI格式(fallback DCI format)时，配置一个索引值，或者配置一个具体的时域资源的信息。而DCI格式为除回退的DCI格式和压缩的DCI格式之外的DCI格式时；或者，DCI格式为除回退的DCI格式之外的DCI格式时；或者，DCI格式为除压缩的DCI格式之外的DCI格式时，配置多个索引值为或者配置多个具体的时域资源的信息，这里的多个是指大于一个。
下面以业务不同为例进行说明，一种可能的确定时域资源集合的方法是：对于时延要求比较紧急的业务来说，用于信息传输的时域资源的开始符号需要比较靠前，即更加靠近PDCCH或者靠近s lot的开始位置；对于时延要求不那么紧急的业务来说，用于信息传输的时域资源的开始符号可以相对靠后一些。采用这种方法确定的时域资源集合可以在不影响调度自由度的情况下，缩小时域资源集合，从而减少DCI中用于指示时域资源的比特数。例如，对于时延要求比较紧急的业务，如URLLC业务，假设起始符号是相对于PDCCH的起始位置，那么给该业务配置的以时域资源的索引值表示的时域资源集合可以包括{12(对应起始符号为0，结束符号为0)，13(对应起始符号为0,结束符号为1)，27(对应起始符号为1,结束符号为1)}。又例如，对于时延要求不那么紧急的业务，如eMBB业务，假设起始符号是相对于PDCCH的起始位置，那么给该业务配置的以时域资源的索引值表示的时域资源集合可以包括{X1(对应起始符号为5，结束符号为13)，X2(对应起始符号为6，结束符号为13)，X3(对应起始符号为5，结束符号为12)，X4(对应起始符号为6，结束符号为12)…X10(对应起始符号为7，结束符号为12)}。
下面以CORESET配置周期不同为例进行说明，一种可能的确定时域资源集合的方法是：用于信息传输的时域资源限制在一个CORESET配置周期内，即一次信息传输的时域资源不会跨相邻的两个CORESET配置周期。采用这种方法确定的时域资源集合可以在不影响调度自由度的情况下，缩小时域资源集合，从而减少DCI中用于指示时域资源的比特数。例如，CORESET配置周期为2，假设起始符号是相对于PDCCH的起始位置，那么配置的以时域资源的索引值表示的时域资源集合可以包括{12(对应起始符号为0，结束符号为0)，13(对应起始符号为0,结束符号为1)，27(对应起始符号为1,结束符号为1)}。又例如，CORESET配置周期为4，假设起始符号是相对于PDCCH的起始位置，那么配置的以时域资源的索引值表示的时域资源集合可以包括{X1(对应起始符号为0，结束符号为0)，X2(对应起始符号为0，结束符号为1)，X3(对应起始符号为0，结束符号为2)，X4(对应起始符号为0，结束符号为3)…X10(对应起始符号为3，结束符号为3)}。
下面以DCI的格式以及下行控制信息的检测周期不同为例进行说明。一种可能的确定时域资源集合的方法是：用于信息传输的时域资源限制在一个下行控制信息的检测周 期内，即一次信息传输的时域资源不会跨相邻的两个下行控制信息的检测周期。采用这种方法确定的时域资源集合可以在不影响调度自由度的情况下，缩小时域资源集合，从而减少DCI中用于指示时域资源的比特数。例如，下行控制信息的检测周期为2和DCI的格式为格式1，假设起始符号是相对于PDCCH的起始位置，那么给DCI格式1配置的以时域资源的索引值表示的时域资源集合可以包括{12(对应起始符号为0，结束符号为0)，13(对应起始符号为0,结束符号为1)，27(对应起始符号为1,结束符号为1)}。又例如，下行控制信息的检测周期为4和DCI的格式为格式1，假设起始符号是相对于PDCCH的起始位置，那么给DCI格式1配置的以时域资源的索引值表示的时域资源集合可以包括{X1(对应起始符号为0，结束符号为0)，X2(对应起始符号为0，结束符号为1)，X3(对应起始符号为0，结束符号为2)，X4(对应起始符号为0，结束符号为3)…X10(对应起始符号为3，结束符号为3)}。
下面以DCI的格式以及时域资源长度集合不同为例进行说明。一种可能的确定时域资源集合的方法是：时域资源集合中的时域资源的持续时间是时域资源长度集合中的一个子集或全集。采用这种方法确定的时域资源集合可以在不影响调度自由度的情况下，缩小时域资源集合，从而减少DCI中用于指示时域资源的比特数。例如，时域资源长度集合为{2，4}和DCI格式1，假设起始符号是相对于PDCCH的起始位置，那么给DCI格式1配置的以索引值表示的时域资源集合可以包括{Y1(对应起始符号为0，结束符号为1)，Y2(对应起始符号为0,结束符号为2)，Y3(对应起始符号为1,结束符号为3)，Y4(对应起始符号为1,结束符号为4)}。又例如，时域资源长度集合为7和DCI格式1，假设起始符号是相对于PDCCH的起始位置，那么给DCI格式1配置的以索引值表示的时域资源集合可以包括{Y1(对应起始符号为0，结束符号为6)，Y2(对应起始符号为1,结束符号为7)}。
可以理解的是，对于第一信息为其它组合的场景，根据第一信息确定时域资源集合的方法可以参考上述实施例直接获得，在此不加赘述。
方法二，区分应用场景，定义时域资源集合，即根据第一信息的不同，定义时域资源集合。具体的定义方式可以为以下几种中的一种：
根据DCI的格式定义时域资源集合；
根据业务类型定义时域资源集合；
根据时域资源长度集合定义时域资源集合；
根据下行控制信息的检测周期定义时域资源集合；
根据CORESET配置周期定义时域资源集合；
根据业务类型、下行控制信息的格式、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中至少两个的组合的取值定义时域资源集合。
以上时域资源集合的呈现形式可以是表格也可以是数组。下面以DCI的格式不同为例进行说明，给DCI格式1配置的时域资源集合如表4所示，给DCI格式2配置的时域资源集合如表5所示。这里的DCI格式1可以是压缩的DCI格式(compact DCI format)，DCI格式2可以是非压缩的DCI格式。又例如，DCI格式为压缩的DCI格式时，可以仅配置一个具体的时域资源的信息，也就是说时域资源只有一种可能的情况。又例如，DCI格式为用于回退的DCI格式(fallback DCI format)时，也可以只配置一个具体的时 域资源的信息。而DCI格式为除回退的DCI格式和压缩的DCI格式之外的DCI格式时；或者，DCI格式为除回退的DCI格式之外的DCI格式时；或者，DCI格式为除压缩的DCI格式之外的DCI格式时，配置多个具体的时域资源的信息，这里的多个是指大于一个。
表4
索引值 起始符号的位置 持续时间(symbol)
0 1 1
1 1 2
2 2 1
3 2 2
表5
索引值 起始符号的位置 持续时间(symbol)
0 1 14
1 2 13
2 3 12
3 4 11
下面以业务不同为例进行说明，一种可能的确定时域资源集合的方法是：对于时延要求比较紧急的业务来说，用于信息传输的时域资源的开始符号需要比较靠前，即更加靠近PDCCH或者靠近slot的开始位置；对于时延要求不那么紧急的业务来说，用于信息传输的时域资源的开始符号可以相对靠后一些。采用这种方法确定的时域资源集合可以在不影响调度自由度的情况下，缩小时域资源集合，从而减少DCI中用于指示时域资源的比特数。例如，对于时延要求比较紧急的业务，如URLLC业务，假设起始符号是相对于PDCCH的起始位置，那么给该业务配置的以时域资源的索引值表示的时域资源集合可以包括{(起始符号为0，结束符号为0)，(起始符号为0,结束符号为1)，(起始符号为1,结束符号为1)}。又例如，对于时延要求不那么紧急的业务，如eMBB业务，假设起始符号是相对于PDCCH的起始位置，那么给该业务配置的以时域资源的索引值表示的时域资源集合可以包括{(起始符号为5，结束符号为13)，X2(起始符号为6，结束符号为13)，X3(起始符号为5，结束符号为12)，X4(起始符号为6，结束符号为12)…X10(起始符号为7，结束符号为12)}。
下面以CORESET配置周期不同为例进行说明，一种可能的确定时域资源集合的方法是：用于信息传输的时域资源限制在一个CORESET配置周期内，即一次信息传输的时域资源不会跨相邻的两个CORESET配置周期。采用这种方法确定的时域资源集合可以在不影响调度自由度的情况下，缩小时域资源集合，从而减少DCI中用于指示时域资源的比特数。例如，CORESET配置周期为2，假设起始符号是相对于PDCCH的起始位置，那么配置的以时域资源的索引值表示的时域资源集合可以包括{(起始符号为0，结束符号为0)，(起始符号为0,结束符号为1)，(起始符号为1,结束符号为1)}。又例如，CORESET配置周期为4，假设起始符号是相对于PDCCH的起始位置，那么配置的以时域资源的索 引值表示的时域资源集合可以包括{(起始符号为0，结束符号为0)，(起始符号为0，结束符号为1)，(起始符号为0，结束符号为2)，(起始符号为0，结束符号为3)…(起始符号为3，结束符号为3)}。
下面以DCI的格式以及下行控制信息的检测周期不同为例进行说明。一种可能的确定时域资源集合的方法是：用于信息传输的时域资源限制在一个下行控制信息的检测周期内，即一次信息传输的时域资源不会跨相邻的两个下行控制信息的检测周期。采用这种方法确定的时域资源集合可以在不影响调度自由度的情况下，缩小时域资源集合，从而减少DCI中用于指示时域资源的比特数。例如，下行控制信息的检测周期为2和DCI的格式为格式1，假设起始符号是相对于PDCCH的起始位置，那么给DCI格式1配置的时域资源集合可以包括{(起始符号为0，结束符号为0)，(起始符号为0,结束符号为1)和(起始符号为1,结束符号为1)}。又例如，下行控制信息的检测周期为4和DCI的格式为格式1，假设起始符号是相对于PDCCH的起始位置，那么给DCI格式1配置的时域资源可以包括{(起始符号为0，结束符号为0)，(起始符号为0，结束符号为1)，(起始符号为0，结束符号为2)，(起始符号为0，结束符号为3)…X10(起始符号为3，结束符号为3)}。
下面以DCI的格式以及时域资源长度集合不同为例进行说明。一种可能的确定时域资源集合的方法是：时域资源集合中的时域资源的持续时间是所述时域资源长度集合的一个子集或全集。采用这种方法确定的时域资源集合可以在不影响调度自由度的情况下，缩小时域资源集合，从而减少DCI中用于指示时域资源的比特数。例如，时域资源长度集合为{2，4}和DCI格式1，假设起始符号是相对于PDCCH的起始位置，那么给DCI格式1配置的时域资源集合可以包括{(起始符号为0，结束符号为1)，(起始符号为0,结束符号为2)，(起始符号为1,结束符号为3)，(起始符号为1,结束符号为4)}。又例如，时域资源长度集合为7和DCI格式1，假设起始符号是相对于PDCCH的起始位置，那么给DCI格式1配置的时域资源集合可以包括{(起始符号为0，结束符号为6)，(起始符号为1,结束符号为7)}。
可以理解的是，对于第一信息为其它组合的场景，根据第一信息确定时域资源集合的方法可以参考上述实施例直接获得，在此不加赘述。
可以理解的是，上述表4和表5中定义的时域资源集合也可以增加一列时隙个数或增加一列起始时隙编号或同时增加一列时隙个数和一列起始时隙编号。表4和表5中的持续时间也可以替换为结束符号的位置。当系统或协议预定了起始符号的位置时，上述时域资源集合的表格中可以没有起始符号的位置一列。
需要注意的是，上述表1到表5的索引值编号可以从0开始编号也可以从1开始编号。索引值的编号可以从小到大也可以从大到小。协议定义的表格可以是上述表格的子集也可以是上述表格的简单扩展。表格里起始符号的位置和结束符号的位置的编号可以从0开始编号也可以从1开始编号。表格中各列的顺序可以互换。
以第一信息为DCI的格式为例，进一步描述S522中终端设备根据所述第一信息确定进行信息传输的物理信道所占用的第一时域资源的方法。终端设备可以根据DCI格式，直接确定第一时域资源。例如，当DCI的格式为DCI格式1时，第一时域资源的起始符号的位置编号为1，结束符号的位置编号为2；当DCI的格式为DCI格式2时，第一时 域资源的起始符号的位置编号为1，结束符号的位置编号为14。终端设备也可以根据DCI格式先确定时域资源集合，例如，当DCI格式为compact DCI时，确定时域资源集合为如表4所示的时域资源集合；进一步的，终端设备根据DCI中携带的第二信息，进一步确定第一时域资源，例如，第二信息为2时，确定的第一时域资源的起始符号的位置为2、持续时间为1个symbol。符号的位置是相对于PDCCH的相对位置还是在时隙内的绝对位置可以有系统或协议预定义，也可以网络设备确定后通过信令通知终端设备。
通过采用上述方法，网络设备和终端设备可以根据具体场景的需要，灵活的选择信息传输的时域资源，同时能够有效地降低DCI中的载荷大小，从而提高控制信道传输的可靠性，进一步提高数据传输的可靠性。
上述实施例分别从作为网络设备、终端设备以及网络设备和终端设备之间交互的角度对本申请实施例提供的信息传输方法进行了介绍。可以理解的是，各个设备为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的单元及方法步骤，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
图6和图7为本申请的实施例提供的两种可能的通信装置的结构示意图。该通信装置实现上述图3、图4和图5方法实施例中网络设备的功能，因此也能实现上述方法实施例所具备的有益效果。在本申请的实施例中，该通信装置可以是如图1所示的无线接入网设备120，也可以是无线接入网设备中的芯片。
如图6所示，通信装置600包括处理单元610和收发单元620。
对应图3所示的方法实施例，有如下的装置实施例。
收发单元620用于发送第一信息，所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个，所述第一信息与第一时域资源或时域资源集合对应，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源。
收发单元620还用于在所述第一时域资源上通过所述物理信道进行信息传输。
处理单元610用于对待发送的信息进行编码调制和接收到的信息进行解调和译码。
可选的，收发单元620具体用于通过无线资源控制RRC信令发送所述第一信息。
可选的，收发单元620还用于发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。
对应图4所示的方法实施例，有如下的装置实施例。
收发单元620用于发送下行控制信息，所述下行控制信息的格式与第一时域资源或时域资源集合对应，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源。
收发单元620还用于在所述第一时域资源上通过所述物理信道进行信息传输。
处理单元610用于对待发送的信息进行编码调制和接收到的信息进行解调和译码。
可选的，收发单元620还用于发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。
对应图5所示的方法实施例，有如下的装置实施例。
处理单元610用于确定第一信息，所述第一信息包括业务类型、下行控制信息的格式、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个。
处理单元610还用于确定与终端设备进行信息传输的物理信道所占用的第一时域资源。
收发单元620用于在所述第一时域资源上通过所述物理信道进行信息传输。
当所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和CORESET配置周期中的至少一个时，收发单元620还用于通过无线资源控制RRC信令发送所述第一信息。
可选的，收发单元620还可以用于发送第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引，所述时域资源集合包括至少一个第一时域资源，所述时域资源集合与所述第一信息对应。
如图7所示，通信装置700包括处理器710,收发器720，可选的还可以包括存储器730，其中，存储器730可以用于存储处理器710执行的代码。通信装置700中的各个组件之间通过内部连接通路互相通信，如通过总线传递控制和/或数据信号。处理器710用于执行处理单元610的功能，收发器720用于执行收发单元620的功能。
有关上述处理单元610、处理器710和收发单元620、收发器720的其它功能描述可以参考上述图3、图4和图5所示的方法实施例直接得到。上述方法实施例中的信息收发功能由收发单元620或收发器720完成，其余的数据处理功能均由处理单元610或处理器710完成，在此不加赘述。
图8和图9为本申请的实施例的另外两种可能的通信装置的结构示意图。该通信装置实现上述图3、图4和图5所示的方法实施例中的终端设备的功能，因此也能实现上述方法实施例所具备的有益效果。在本申请的实施例中，该通信装置可以是如图1所示的终端设备130或终端设备140，也可以是终端设备中的芯片。
如图8所示，通信装置800包括收发单元810和处理单元820。
对应图3所示的方法实施例，有如下装置实施例。
收发单元810用于接收第一信息，第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个，第一信息与第一时域资源或时域资源集合对应，该时域资源集合包括至少一个第一时域资源，第一时域资源为该终端设备与网络设备进行信息传输的物理信道所占用的时域资源。
处理单元820用于根据所述第一信息确定进行信息传输的物理信道所占用的第一时域资源；
收发单元810还用于在所述第一时域资源上通过所述物理信道进行信息传输。
可选的，收发单元810具体用于通过无线资源控制RRC信令接收所述第一信息。
可选的，收发单元810还可以用于接收第二信息，所述第二信息承载在所述下行控 制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引。
对应图4所示的方法实施例，有如下装置实施例。
收发单元810用于接收下行控制信息。
处理单元820用于确定下行控制信息的格式。具体的，处理单元820通过在配置的CORESET上对下行控制信息进行检测以确定下行控制信息的格式。
处理单元820还用于根据该下行控制信息的格式确定进行信息传输的物理信道所占用的第一时域资源。
收发单元810还用于在所述第一时域资源上通过所述物理信道进行信息传输。
可选的，收发单元810还可以用于接收第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引。其中，该时域资源集合包括至少一个第一时域资源，该时域资源集合与下行控制信息的格式对应。
对应图5所示的方法实施例，有如下装置实施例。
处理单元820用于确定第一信息，所述第一信息包括业务类型、下行控制信息的格式、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个。
处理单元820还用于根据所述第一信息确定进行信息传输的物理信道所占用的第一时域资源。
收发单元810用于在所述第一时域资源上通过所述物理信道进行信息传输。
当所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和CORESET配置周期中的至少一个时，收发单元810还用于通过无线资源控制RRC信令接收所述第一信息。
当所述第一信息包括所述下行控制信息的格式时，收发单元810还用于接收所述下行控制信息，处理单元820还用于确定所述下行控制信息的格式。
可选的，收发单元810还用于接收第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引，所述时域资源集合包括至少一个第一时域资源，所述时域资源集合与所述第一信息对应。
如图9所示，通信装置900包括处理器920,收发器910，可选的，还可以包括存储器930，其中，存储器930可以用于存储处理器920执行的代码。通信装置900中的各个组件之间通过内部连接通路互相通信，如通过总线传递控制和/或数据信号。处理器920用于执行处理单元820的功能，收发器910用于执行收发单元810的功能。
有关上述收发单元810、收发器910和处理单元820、处理器920的其它功能描述可以参考上述图3、图4和图5所示的方法实施例直接得到。上述方法实施例中的信息收发功能由收发单元810或收发器910完成，其余的数据处理功能均由处理单元820或处理器920完成，在此不加赘述。
可以理解的是，图7和图9仅仅示出了该通信装置的一种设计。在实际应用中，该通信装置可以包括任意数量的收发器和处理器，而所有可以实现本申请的实施例的通信装置都在本申请的保护范围之内。
可以理解的是，当本申请的实施例应用于网络设备芯片时，该网络设备芯片实现上 述方法实施例中网络设备的功能。该网络设备芯片可以向网络设备中的其它模块(如射频模块或天线)发送信息，该信息经由网络设备的其它模块发送给终端设备。该网络设备芯片也可以从网络设备中的其它模块接收信息，该信息是终端设备发送给网络设备的。
当本申请的实施例应用于终端设备芯片时，该终端设备芯片实现上述方法实施例中终端设备的功能。该终端设备芯片可以向终端设备中的其它模块(如射频模块或天线)发送信息，该信息经由终端设备的其它模块发送给网络设备。该终端设备芯片也可以从终端设备中的其它模块接收信息，该信息是网络设备发送给终端设备的。
可以理解的是，上述图3至图5所示的方法实施例以及图6至图9所示的装置实施例中的相关术语可以通用，相关技术根据其内在的逻辑关系也可以相互引用和结合形成新的方法实施例和装置实施例。
可以理解的是，本申请的实施例中的处理器可以是中央处理单元(Central Processing Unit，CPU)，还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、晶体管逻辑器件，硬件部件或者其任意组合。通用处理器可以是微处理器，也可以是任何常规的处理器。
本申请的实施例中的方法步骤可以通过硬件的方式来实现，也可以由处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成，软件模块可以被存放于随机存取存储器(Random Access Memory，RAM)、闪存、只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)、寄存器、硬盘、移动硬盘、CD-ROM或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。另外，该ASIC可以位于发送设备或接收设备中。当然，处理器和存储介质也可以作为分立组件存在于发送设备或接收设备中。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者通过所述计算机可读存储介质进行传输。所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如，固态硬盘(Solid State Disk，SSD))等。
本文中的术语“多个”是指两个或两个以上。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系；在公式中，字符“/”，表示前后关联对象是一种“相除”的关系。
可以理解的是，在本申请的实施例中涉及的各种数字编号仅为描述方便进行的区分，并不作为对本申请的限定。
可以理解的是，在本申请的实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请的实施例的实施过程构成任何限定。

Claims (38)

  1. 一种信息传输方法，其特征在于，所述方法包括：
    接收下行控制信息，所述下行控制信息的不同格式对应不同的时域资源集合，所述时域资源集合包括至少一个第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；
    确定所述下行控制信息的格式；
    接收第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引；
    根据所述下行控制信息的格式和所述第二信息确定所述第一时域资源；
    在所述第一时域资源上通过所述物理信道进行信息传输。
  2. 根据权利要求1所述的方法，其特征在于，所述物理信道为物理下行共享信道或物理上行共享信道。
  3. 根据权利要求1或2所述的方法，其特征在于，第一下行控制信息格式对应第一时域资源集合，所述第一时域资源集合为协议预定义；第二下行控制信息格式对应第二时域资源集合，所述第二下行控制信息格式与所述第一下行控制信息格式不同，所述第二时域资源集合为信令配置的。
  4. 一种信息传输方法，其特征在于，所述方法包括：
    发送下行控制信息，所述下行控制信息的不同格式对应不同的时域资源集合，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；
    在所述第一时域资源上通过所述物理信道进行信息传输。
  5. 根据权利要求4所述的方法，其特征在于，所述方法还包括：
    发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。
  6. 根据权利要求4或5所述的方法，其特征在于，所述物理信道为物理下行共享信道或物理上行共享信道。
  7. 根据权利要求4至6任一项所述的方法，其特征在于，第一下行控制信息格式对应第一时域资源集合，所述第一时域资源集合为协议预定义；第二下行控制信息格式对应第二时域资源集合，所述第二下行控制信息格式与所述第一下行控制信息格式不同，所述第二时域资源集合为信令配置的。
  8. 一种通信装置，用于实现如权利要求1至3中任一项所述的方法。
  9. 一种通信装置，用于实现如权利要求4至7中任一项所述的方法。
  10. 一种通信装置，包括处理器和收发器，其特征在于，
    所述收发器用于接收下行控制信息，所述下行控制信息的不同格式对应不同的时域资源集合，所述时域资源集合包括至少一个第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；
    所述处理器用于确定所述下行控制信息的格式；
    所述收发器还用于接收第二信息，所述第二信息承载在所述下行控制信息中,所述 第二信息用于指示所述第一时域资源在所述时域资源集合中的索引；
    所述处理器还用于根据所述下行控制信息的格式和所述第二信息确定所述第一时域资源；
    所述收发器还用于在所述第一时域资源上通过所述物理信道进行信息传输。
  11. 根据权利要求10所述的装置，其特征在于，所述物理信道为物理下行共享信道或物理上行共享信道。
  12. 根据权利要求10或11所述的装置，其特征在于，第一下行控制信息格式对应第一时域资源集合，所述第一时域资源集合为协议预定义；第二下行控制信息格式对应第二时域资源集合，所述第二下行控制信息格式与所述第一下行控制信息格式不同，所述第二时域资源集合为信令配置的。
  13. 一种通信装置，包括收发器，其特征在于，
    所述收发器用于发送下行控制信息，所述下行控制信息的不同格式对应不同的时域资源集合，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；
    所述收发器还用于在所述第一时域资源上通过所述物理信道进行信息传输。
  14. 根据权利要求13所述的装置，其特征在于，所述收发器还用于发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。
  15. 根据权利要求13或14所述的装置，其特征在于，所述物理信道为物理下行共享信道或物理上行共享信道。
  16. 根据权利要求13至15任一项所述的装置，其特征在于，第一下行控制信息格式对应第一时域资源集合，所述第一时域资源集合为协议预定义；第二下行控制信息格式对应第二时域资源集合，所述第二下行控制信息格式与所述第一下行控制信息格式不同，所述第二时域资源集合为信令配置的。
  17. 根据权利要求8至16任一项所述的装置，其特征在于，所述装置为芯片。
  18. 一种计算机可读存储介质，存储有计算机可执行指令，所述指令用于实现如权利要求1至7中任一项所述的方法。
  19. 一种信息传输方法，其特征在于，所述方法包括：
    确定第一信息，所述第一信息包括业务类型、下行控制信息的格式、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个；
    根据所述第一信息确定进行信息传输的物理信道所占用的第一时域资源；
    在所述第一时域资源上通过所述物理信道进行信息传输。
  20. 根据权利要求19所述的方法，其特征在于，当所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和CORESET配置周期中的至少一个时，所述确定第一信息具体包括：
    通过无线资源控制RRC信令接收所述第一信息。
  21. 根据权利要求19所述的方法，其特征在于，当所述第一信息包括所述下行控制信息的格式时，所述确定第一信息具体包括：
    接收所述下行控制信息并确定所述下行控制信息的格式。
  22. 根据权利要求19至21任一项所述的方法，其特征在于，所述根据第一信息确定进行信息传输的物理信道所占用的第一时域资源包括：
    根据所述第一信息确定所述物理信道的持续时间；或者，
    根据所述第一信息确定所述物理信道的结束符号的位置；或者，
    根据所述第一信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，
    根据所述第一信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。
  23. 根据权利要求19至21任一项所述的方法，其特征在于，所述方法还包括：
    接收第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引，所述时域资源集合包括至少一个第一时域资源，所述时域资源集合与所述第一信息对应；
    所述根据第一信息确定进行信息传输的物理信道所占用的第一时域资源包括：
    根据所述第一信息和所述第二信息确定所述物理信道的持续时间；或者，
    根据所述第一信息和所述第二信息确定所述物理信道的结束符号的位置；或者，
    根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，
    根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。
  24. 一种信息传输方法，其特征在于，所述方法包括：
    发送第一信息，所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个，所述第一信息与第一时域资源或时域资源集合对应，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；
    在所述第一时域资源上通过所述物理信道进行信息传输。
  25. 根据权利要求24所述的方法，其特征在于，所述发送第一信息具体包括：
    通过无线资源控制RRC信令发送所述第一信息。
  26. 一种信息传输方法，其特征在于，所述方法包括：
    发送下行控制信息，所述下行控制信息的格式与第一时域资源或时域资源集合对应，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；
    在所述第一时域资源上通过所述物理信道进行信息传输。
  27. 根据权利要求24至26任一项所述的方法，其特征在于，所述方法还包括：
    发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。
  28. 根据权利要求19至27任一项所述的方法，其特征在于，所述物理信道为物理下行共享信道或物理上行共享信道。
  29. 一种通信装置，其特征在于，所述装置包括：
    处理单元，用于确定第一信息，所述第一信息包括业务类型、下行控制信息的格式、 时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个；
    所述处理单元还用于根据所述第一信息确定进行信息传输的物理信道所占用的第一时域资源；
    收发单元，用于在所述第一时域资源上通过所述物理信道进行信息传输。
  30. 根据权利要求29所述的装置，其特征在于，当所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和CORESET配置周期中的至少一个时，所述收发单元还用于通过无线资源控制RRC信令接收所述第一信息。
  31. 根据权利要求29所述的装置，其特征在于，当所述第一信息包括所述下行控制信息的格式时，所述收发单元还用于接收所述下行控制信息，所述处理单元用于确定所述下行控制信息的格式。
  32. 根据权利要求29至31任一项所述的装置，其特征在于，所述处理单元具体用于：
    根据所述第一信息确定所述物理信道的持续时间；或者，
    根据所述第一信息确定所述物理信道的结束符号的位置；或者，
    根据所述第一信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，
    根据所述第一信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。
  33. 根据权利要求29至31任一项所述的装置，其特征在于，所述收发单元还用于接收第二信息，所述第二信息承载在所述下行控制信息中,所述第二信息用于指示所述第一时域资源在时域资源集合中的索引，所述时域资源集合包括至少一个第一时域资源，所述时域资源集合与所述第一信息对应；
    所述处理单元具体用于：
    根据所述第一信息和所述第二信息确定所述物理信道的持续时间；或者，
    根据所述第一信息和所述第二信息确定所述物理信道的结束符号的位置；或者，
    根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的持续时间；或者，
    根据所述第一信息和所述第二信息确定所述物理信道的起始符号的位置和所述物理信道的结束符号的位置。
  34. 一种通信装置，其特征在于，所述装置包括：
    收发单元，用于发送第一信息，所述第一信息包括业务类型、时域资源长度集合信息、下行控制信息的检测周期和控制资源集合CORESET配置周期中的至少一个，所述第一信息与第一时域资源或时域资源集合对应，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；
    所述收发单元还用于在所述第一时域资源上通过所述物理信道进行信息传输；
    处理单元，用于对待发送的信息进行编码调制和接收到的信息进行解调和译码。
  35. 根据权利要求34所述的装置，其特征在于，所述收发单元具体用于通过无线资源控制RRC信令发送所述第一信息。
  36. 一种通信装置，其特征在于，所述装置包括：
    收发单元，用于发送下行控制信息，所述下行控制信息的格式与第一时域资源或时域资源集合对应，所述时域资源集合包括至少一个所述第一时域资源，所述第一时域资源为进行信息传输的物理信道所占用的时域资源；
    所述收发单元还用于在所述第一时域资源上通过所述物理信道进行信息传输；
    处理单元，用于对待发送的信息进行编码调制和接收到的信息进行解调和译码。
  37. 根据权利要求34至36任一项所述的装置，其特征在于，所述收发单元还用于发送第二信息，所述第二信息承载在所述下行控制信息中，所述第二信息用于指示所述第一时域资源在所述时域资源集合中的索引。
  38. 根据权利要求29至37任一项所述的装置，其特征在于，所述物理信道为物理下行共享信道或物理上行共享信道。
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