WO2024130590A1 - 一种传输配置指示状态的确定方法、装置及存储介质 - Google Patents
一种传输配置指示状态的确定方法、装置及存储介质 Download PDFInfo
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- 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
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- 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
Definitions
- the present disclosure relates to the field of communication technology, and in particular to a method, device and storage medium for determining a Transmission Configuration Indicator (TCI) status.
- TCI Transmission Configuration Indicator
- New Radio for example, when the communication frequency band is in frequency range 2, since the high-frequency channel attenuates quickly, in order to ensure the coverage range, beam-based transmission and reception are required.
- the beams of the control channel, data channel, and reference signal are all indicated independently.
- the control channel (physical downlink control channel (PDCCH) and physical uplink control channel (PDCCH)) and/or its corresponding demodulation reference signal (DMRS) use the medium access control (MAC) control element (CE) to activate a beam.
- the data channel (physical downlink shared channel (PDSCH) and physical uplink shared channel (PUSCH)) and/or its corresponding DMRS use downlink control information (DCI) signaling to indicate their respective beams.
- DCI downlink control information
- the multiple service cells can be configured as at least one component carrier (CC) list. Then, for multiple service cells belonging to a CC list, one MAC CE can be used to activate or update the corresponding TCI state.
- the service cell can be configured to be based on a single transmission reception point (S-TRP) transmission or a multi-transmission reception point (M-TRP) transmission.
- the present disclosure provides a method, device and storage medium for determining a transmission configuration indication state.
- a method for determining a transmission configuration indication state including:
- configuration information where the configuration information is used to determine a component carrier list, where the component carrier list corresponds to at least one serving cell;
- the at least one serving cell includes a first serving cell based on single-transmission-reception-point transmission and/or a second serving cell based on multiple-transmission-reception-point transmission;
- Receive transmission configuration indication TCI state activation indication information where the TCI state activation indication information is used to activate the TCI state of the first service cell and/or the second service cell.
- a method for determining a transmission configuration indication state including:
- the at least one serving cell includes a first serving cell based on single-transmission-reception-point transmission and/or a second serving cell based on multiple-transmission-reception-point transmission;
- TCI state activation indication information Send transmission configuration indication TCI state activation indication information, where the TCI state activation indication information is used to activate the TCI state of the first service cell and/or the second service cell.
- a device for determining a transmission configuration indication state including:
- a receiving unit configured to receive configuration information, where the configuration information is used to determine a component carrier list, where the component carrier list corresponds to at least one serving cell;
- the at least one serving cell includes a first serving cell based on single-transmission-reception-point transmission and/or a second serving cell based on multiple-transmission-reception-point transmission;
- the receiving unit is also configured to receive transmission configuration indication TCI state activation indication information, where the TCI state activation indication information is used to activate the TCI state of the first serving cell and/or the second serving cell.
- a device for determining a transmission configuration indication state including:
- a sending unit configured to send configuration information, where the configuration information is used to determine a component carrier list, where the component carrier list corresponds to at least one serving cell;
- the at least one serving cell includes a first serving cell based on single-transmission-reception-point transmission and/or a second serving cell based on multiple-transmission-reception-point transmission;
- the sending unit is further configured to send transmission configuration indication TCI state activation indication information, where the TCI state activation indication information is used to activate the TCI state of the first service cell and/or the second service cell.
- a device for determining a transmission configuration indication state including:
- a memory for storing processor-executable instructions
- the processor is configured to: execute the method described in the first aspect, any one of the implementation modes of the first aspect, the second aspect, or any one of the implementation modes of the second aspect.
- a storage medium in which instructions are stored.
- the terminal is enabled to execute a method as described in the first aspect, any one of the embodiments of the first aspect, the second aspect, or any one of the embodiments of the second aspect.
- the technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: a method for activating the TCI state of a service cell based on S-TRP transmission and a service cell based on M-TRP transmission configured in a CC list is proposed, which can reduce the signaling overhead while enabling the terminals to reach a consensus on the recognition of a unified TCI state identifier, thereby improving the transmission capability based on the unified TCI state.
- Fig. 1 is a schematic diagram of a wireless communication system according to an exemplary embodiment.
- Fig. 2 is a flow chart showing a method for determining a transmission configuration indication state according to an exemplary embodiment.
- Fig. 3 is a flow chart showing a method for determining a unified transmission configuration indication state of a first serving cell according to an exemplary embodiment.
- Fig. 4 is a flow chart showing a method for determining the unified transmission configuration indication state of the first serving cell according to a first default rule according to an exemplary embodiment.
- Fig. 5 is a flowchart showing a method for determining a unified transmission configuration indication state of the first serving cell through first indication information according to an exemplary embodiment.
- Fig. 6 is a flowchart showing a method for determining a unified transmission configuration indication state of a first serving cell according to an exemplary embodiment.
- Fig. 7 is a flowchart showing a method for determining the unified transmission configuration indication state of the first serving cell according to a second default rule according to an exemplary embodiment.
- Fig. 8 is a flowchart showing a method for determining the unified transmission configuration indication state of the first serving cell through second indication information according to an exemplary embodiment.
- Fig. 9 is a flow chart showing a method for determining a transmission configuration indication state according to an exemplary embodiment.
- Fig. 10 is a structural block diagram showing a device for determining a transmission configuration indication state according to an exemplary embodiment.
- Fig. 11 is a structural block diagram showing a device for determining a transmission configuration indication state according to an exemplary embodiment.
- Fig. 12 is a block diagram of a device according to an exemplary embodiment.
- Fig. 13 is a block diagram of a device according to an exemplary embodiment.
- the wireless communication system includes a network device and a terminal.
- the terminal is connected to the network device through wireless resources and performs data transmission.
- the wireless communication system shown in FIG1 is only for schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices, which are not shown in FIG1.
- the embodiments of the present disclosure do not limit the number of network devices and terminals included in the wireless communication system.
- the wireless communication system of the embodiment of the present disclosure is a network that provides wireless communication functions.
- the wireless communication system can adopt different communication technologies, such as code division multiple access (code division multiple access, CDMA), wideband code division multiple access (wideband code division multiple access, WCDMA), time division multiple access (time division multiple access, TDMA), frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single carrier FDMA, SC-FDMA), carrier sense multiple access/collision avoidance (Carrier Sense Multiple Access with Collision Avoidance).
- code division multiple access code division multiple access
- CDMA code division multiple access
- wideband code division multiple access wideband code division multiple access
- WCDMA wideband code division multiple access
- time division multiple access time division multiple access
- FDMA frequency division multiple access
- OFDMA orthogonal frequency division multiple access
- single carrier frequency division multiple access single carrier frequency division multiple access
- the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called new wireless network (New Radio, NR).
- 2G English: generation
- 3G network 4G network or future evolution network, such as 5G network
- 5G network can also be called new wireless network (New Radio, NR).
- NR New Radio
- the present disclosure sometimes simply refers to a wireless communication network as a network.
- the wireless access network device may also be referred to as a wireless access network device.
- the wireless access network device may be: a base station, an evolved node B (base station), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc. It may also be a gNB in an NR system, or it may also be a component or a part of a base station. It should be understood that in the embodiments of the present disclosure, the specific technology and specific device form adopted by the network device are not limited.
- the network device may provide communication coverage for a specific geographical area, and may communicate with a terminal located in the coverage area (cell).
- the network device may also be a vehicle-mounted device.
- the terminal involved in the present disclosure may also be referred to as a terminal device, a user equipment (User Equipment, UE), a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal, MT), etc., which is a device that provides voice and/or data connectivity to users.
- the terminal may be a handheld device with a wireless connection function, a vehicle-mounted device, etc.
- terminals are: a smart phone (Mobile Phone), a customer premises equipment (Customer Premise Equipment, CPE), a pocket computer (Pocket Personal Computer, PPC), a handheld computer, a personal digital assistant (Personal Digital Assistant, PDA), a laptop computer, a tablet computer, a wearable device, or a vehicle-mounted device, etc.
- the terminal device may also be a vehicle-mounted device.
- V2X vehicle-to-everything
- the unified TCI state may include a joint TCI state for uplink and downlink to perform joint uplink and downlink indication.
- the unified TCI state may include a separate DL TCI state and a separate UL TCI state to indicate the quasi co-location (QCL) parameters of the uplink and downlink, respectively.
- QCL quasi co-location
- the independent downlink TCI state can be applicable to the terminal's PDSCH and/or its corresponding DMRS, and at least a portion of the PDCCH and/or its corresponding DMRS, and at least a portion of the Channel State Information-Reference Signal (CSI-RS).
- the independent uplink TCI state can be applicable to the terminal's PUSCH and/or its corresponding DMRS, and PUCCH and/or its corresponding DMRS, and at least a portion of the Sounding Reference Signal (SRS).
- SRS Sounding Reference Signal
- the uplink and downlink joint TCI state can be applicable to both uplink and downlink channels and/or reference signals.
- the unified TCI state may be indicated by radio resource control signaling (RRC) and MAC CE, or by radio resource control signaling RRC, media access control control unit signaling MAC CE and downlink control information (DCI).
- RRC is used to indicate the TCI state list. Since TCI is a message sent dynamically in DCI, when the activated unified TCI state corresponds to a code point in the TCI domain of DCI, no additional DCI is required to indicate the TCI state. In this case, RRC and MAC CE may be used to indicate the unified TCI state.
- the activated unified TCI state includes unified TCI states corresponding to multiple code points in the TCI domain of DCI
- a code point needs to be indicated in the TCI domain of DCI to inform which code point corresponds to the unified TCI state.
- RRC, MAC CE and DCI may be used to indicate the unified TCI state.
- the unified TCI state may include an uplink and downlink combined TCI state, an independent uplink TCI state and/or an independent downlink TCI state. If the unified TCI state is configured as an uplink and downlink combined TCI state, the unified TCI state includes an uplink and downlink combined TCI state, otherwise, the unified TCI state includes at least one of an independent uplink TCI state and an independent downlink TCI state.
- multiple service cells can be configured as at least one component carrier (CC) list. Then, for multiple service cells belonging to a CC list, a MAC CE can be used to activate or update the corresponding TCI state. It is currently unclear how to configure the CC list for service cells configured for S-TRP transmission and service cells configured for M-TRP transmission.
- CC component carrier
- service cells configured for S-TRP transmission and service cells configured for M-TRP transmission can be configured in one CC list, and further, if service cells configured for S-TRP transmission and service cells configured for M-TRP transmission are configured in one CC list, how to activate or update the TCI state of each service cell is a problem that needs to be solved.
- the embodiments of the present disclosure provide a method for determining the transmission configuration indication state, mainly for the service cell based on S-TRP transmission and the service cell based on M-TRP transmission configured in a CC list, and the corresponding TCI state activation method. While reducing the signaling overhead, the method can enable the terminals to reach a consensus on the recognition of the unified TCI state identifier, thereby improving the transmission capability based on the unified TCI state.
- the service cell based on S-TRP transmission is referred to as the first service cell
- the service cell based on M-TRP transmission is referred to as the second service cell.
- Fig. 2 is a flow chart showing a method for determining a transmission configuration indication state according to an exemplary embodiment. As shown in Fig. 2 , the method is used in a terminal and includes the following steps.
- step S21 configuration information is received, and the configuration information is used to determine the CC list.
- the CC list corresponds to at least one service cell, and the at least one service cell includes a first service cell based on S-TRP transmission and/or a second service cell based on M-TRP transmission.
- step S22 TCI state activation indication information is received.
- the TCI state activation indication information is used to activate the TCI state of the first service cell and/or the second service cell.
- a terminal receives configuration information, and the configuration information may include information for determining a CC list, and other information.
- the CC list includes at least one service cell of a first service cell based on S-TRP transmission, and/or a second service cell based on M-TRP transmission.
- the TCI state activation indication information may be an activation indication information for simultaneously activating one or more service cells in the CC list, or may be a plurality of different activation indication information for respectively activating one or more different service cells in the CC list.
- the TCI state activation indication information may be MAC CE signaling.
- the terminals can reach a consensus on the recognition of the unified TCI state identifier, thereby improving the transmission capability based on the unified TCI state.
- the service cells corresponding to the same CC list may include one or more first service cells based on S-TRP transmission, or may also include one or more second service cells based on M-TRP transmission.
- the second service cell based on M-TRP transmission may include a second service cell based on single downlink control information indication (S-DCI M-TRP), and/or, a second service cell based on multiple downlink control information indication (M-DCI M-TRP).
- S-DCI M-TRP single downlink control information indication
- M-DCI M-TRP multiple downlink control information indication
- S-DCI M-TRP can be determined in the following ways:
- the corresponding service cell can be determined as based on S-DCI M-TRP.
- the PDCCH/PDSCH/PUCCH/PUSCH and their respective DMRS are configured to be transmitted based on multiple TCI states:
- A: Single Frequency Network (SFN) transmission method uses multiple TCI states for transmission based on the same time domain resources, frequency domain resources and DMRS resources.
- FDM frequency division multiplexing
- TDM time division multiplexing
- M-DCI M-TRP can be determined in the following ways:
- the CORESETPoolIndex of at least one CORESET is configured as 1, and the CORESETPoolIndex of at least another CORESET is configured as 0 or is not configured as any value, it can be determined that the service cell corresponding to the terminal is the second service cell M-DCI M-TRP based on the multi-downlink control information indication.
- the service cell when the service cell does not meet the judgment conditions of S-DCI M-TRP and M-DCI M-TRP, the service cell is the first service cell based on S-TRP transmission.
- At least one service cell corresponding to the same CC list may include at least one first service cell and at least one second service cell.
- the second service cell may be the second service cell of the S-DCI M-TRP.
- the activation indication information of the TCI state can be indicated based on the TCI state activation indication information of the S-DCI M-TRP service cell, that is, the TCI state of the S-DCI M-TRP service cell can be directly activated according to the received TCI state activation indication information, and one code point can correspond to multiple sets of unified TCI states. It can be understood that each set of unified TCI states corresponds to one TRP. However, at this time, which set of activated unified TCI states in the code point is used by the first service cell S-TRP needs to be further agreed.
- Figure 3 is a flowchart of a method for determining the unified TCI state of a first service cell according to an exemplary embodiment. As shown in Figure 3, the method includes the following steps.
- step S31 the unified TCI state of the first service cell is determined according to a first default rule; or, the unified TCI state of the first service cell is determined through first indication information.
- the second service cell is an S-DCI M-TRP service cell
- the TCI state activation indication information received by the terminal activates the unified TCI state corresponding to one or more code points, and there is at least one code point among the one or more code points corresponding to multiple sets of activated unified TCI states
- the unified TCI state of the first service cell can be determined according to the first default rule or by the first indication information.
- Figure 4 is a flowchart of a method for determining the unified TCI state of the first service cell according to a first default rule according to an exemplary embodiment. As shown in Figure 4, the method includes the following steps.
- step S41 the designated unified TCI state corresponding to the first code point of the multiple sets of unified TCI states is determined as the unified TCI state corresponding to the first code point of the first service cell; and/or, the unified TCI state corresponding to the second code point of a set of unified TCI states is determined as the unified TCI state corresponding to the second code point of the first service cell.
- the first code point codepoint#0 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#1 and unified TCI state#2, wherein unified TCI state#1 is located at the bit position of the first unified TCI state corresponding to codepoint#0, and unified TCI state#2 is located at the bit position of the second unified TCI state corresponding to codepoint#0.
- the first default rule may be to use the first unified TCI state corresponding to codepoint#0, i.e., unified TCI state#1, or to use the second unified TCI state corresponding to codepoint#0, i.e., unified TCI state#2, as the unified TCI state corresponding to the first code point of the first service cell.
- the unified TCI state#3 is directly used as the unified TCI state corresponding to the second code point of the first service cell.
- Figure 5 is a flowchart of a method for determining the unified TCI state of the first service cell through first indication information according to an exemplary embodiment. As shown in Figure 5, the method includes the following steps.
- step S51 the Xth unified TCI state corresponding to the code point activated by the TCI state activation indication information indicated by the first indication information is the unified TCI state of the first service cell; or, the Yth unified TCI state corresponding to each code point activated by the TCI state activation indication information indicated by the first indication information is the unified TCI state of the first service cell.
- X and Y are positive integers, and the value of Y may be the same or different for different code points.
- all code points activated by the TCI state activation indication information can be indicated by the first indication information, and the Xth unified TCI state of the code point is used as the unified TCI state corresponding to the corresponding code point of the first service cell. If the first code point codepoint#0 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#01 and unified TCI state#02, unified TCI state#01 is located at the bit position of the first unified TCI state corresponding to the codepoint#0, and unified TCI state#02 is located at the bit position of the second unified TCI state corresponding to the codepoint#0.
- the first code point codepoint#1 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#11 and unified TCI state#12, where unified TCI state#11 is located at the bit position of the first unified TCI state corresponding to codepoint#1, and unified TCI state#12 is located at the bit position of the second unified TCI state corresponding to codepoint#1.
- the first code point codepoint#2 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#21 and unified TCI state#22, wherein unified TCI state#21 is located at the bit position of the first unified TCI state corresponding to codepoint#2, and unified TCI state#22 is located at the bit position of the second unified TCI state corresponding to codepoint#2...
- codepoint#0 corresponds to unified TCI state#01
- codepoint#1 corresponds to unified TCI state#11
- codepoint#2 corresponds to unified TCI state#21...
- codepoint#0, codepoint#1, codepoint#2, etc. of the first service cell all correspond to the second unified TCI state of the codepoint, that is, codepoint#0 corresponds to unified TCI state#02
- codepoint#1 corresponds to unified TCI state#12
- codepoint#2 corresponds to unified TCI state#22, etc.
- the first indication information can also be used to indicate each code point activated by the TCI state activation indication information, and the Yth unified TCI state in each code point is used as the unified TCI state corresponding to the corresponding code point of the first service cell, where X and Y are positive integers, and the value of Y can be the same or different for different code points.
- the first code point codepoint#0 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#01 and unified TCI state#02, where unified TCI state#01 is located at the codepoint#0 corresponding to the unified TCI state, unified TCI state#02 is located at the bit position of the second unified TCI state corresponding to codepoint#0;
- the first codepoint codepoint#1 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#11 and unified TCI state#12, where unified TCI state#11 is located at the bit position of the first unified TCI state corresponding to codepoint#1, and unified TCI state#12 is located at the bit position of the second unified TCI state corresponding to codepoint#1;
- the first code point codepoint#2 activated by the I state activation indication information corresponds to two unified TCI states, namely unified TCI state#21 and unified TCI
- codepoint#0 of the first service cell corresponds to the first unified TCI state of the codepoint, that is, codepoint#0 corresponds to unified TCI state#01
- codepoint#1, codepoint#2, etc. of the first service cell all correspond to the second unified TCI state of the codepoint, that is, codepoint#1 corresponds to unified TCI state#12
- codepoint#2 corresponds to unified TCI state#22, etc.
- codepoint#1 of the first service cell corresponds to the second unified TCI state of the codepoint, that is, codepoint#1 corresponds to unified TCI state#12.
- Codepoint#0 and codepoint#2 of the first service cell correspond to the first unified TCI state of the codepoint, that is, codepoint#0 corresponds to unified TCI state#01, and codepoint#2 corresponds to unified TCI state#21.
- At least one service cell corresponding to the same CC list may include at least one first service cell and at least one second service cell.
- the second service cell may be a second service cell based on the multi-downlink control information indication M-DCI M-TRP.
- the TCI state activation indication information received by the terminal can be used to activate the unified TCI state corresponding to one or more CORESETPoolIndex.
- the activation indication information of the TCI state can also be indicated based on the activation indication information of the TCI state of the M-DCI M-TRP service cell, that is, the TCI state of the M-DCI M-TRP service cell can be directly activated according to the received TCI state activation indication information, where one CORESETPoolIndex can correspond to the activation of one or more code points corresponding to the unified TCI state, and each code point corresponds to a set of unified TCI states.
- one CORESETPoolIndex corresponds to one TRP.
- the TCI state activation indication information can include one or more CORESETPoolIndex.
- Figure 6 is a flowchart of a method for determining the unified TCI state of a first service cell according to an exemplary embodiment. As shown in Figure 6, the method includes the following steps.
- step S61 the unified TCI state of the first service cell is determined according to the second default rule; or, the unified TCI state of the first service cell is determined through the second indication information.
- the second service cell is an M-DCI M-TRP service cell
- the TCI state activation indication information received by the terminal activates the unified TCI state corresponding to one or more code points corresponding to each CORESETPoolIndex, and for each CORESETPoolIndex, each of the one or more code points corresponds to a set of activated unified TCI states
- the unified TCI state of the first service cell can be determined according to the second default rule or by the second indication information.
- Figure 7 is a flowchart of a method for determining the unified TCI state of the first service cell according to a second default rule according to an exemplary embodiment. As shown in Figure 7, the method includes the following steps.
- step S71 the unified TCI state corresponding to the Qth CORESETPoolIndex among multiple CORESETPoolIndex is determined to be the unified TCI state of the first service cell.
- Q is a positive integer.
- the second default rule may be to use the unified TCI state corresponding to CORESETPoolIndex#0 as the unified TCI state corresponding to the first service cell, or to use the unified TCI state corresponding to CORESETPoolIndex#1 as the unified TCI state corresponding to the first service cell.
- Figure 8 is a flowchart of a method for determining the unified TCI state of the first service cell through second indication information according to an exemplary embodiment. As shown in Figure 8, the method includes the following steps.
- the second indication information indicates that the unified TCI state corresponding to the Pth CORESETPoolIndex among multiple CORESETPoolIndex is the unified TCI state of the first service cell.
- P is a positive integer.
- the second indication information can indicate that the CORESETPoolIndex#0 or CORESETPoolIndex#1 activated by the TCI state activation indication information is the unified TCI state of the first service cell, where P is a positive integer.
- At least one service cell corresponding to the same CC list may include at least one first service cell and at least one second service cell, and at least one second service cell is an S-DCI M-TRP service cell, and TCI state activation indication information activates the unified TCI state corresponding to one or more code points, and there is at least one code point among the one or more code points corresponding to multiple sets of activated unified TCI states, or at least one second service cell is an M-DCI M-TRP service cell, and the TCI state activation indication information activates the unified TCI state corresponding to one or more CORESETPoolIndex, the determination method of the unified TCI state of the first service cell is determined, while reducing the signaling overhead, the terminals can reach a consensus on the recognition of the unified TCI state identifier, thereby improving the transmission capability based on the unified TCI state.
- the first indication information and/or the second indication information may be carried in the radio resource control signaling RRC and/or the media access control control unit signaling MAC CE. Further, the TCI state activation indication information and the first indication information may be carried in the same media access control control unit signaling MAC CE or in different MAC CEs, and/or the TCI state activation indication information and the second indication information may be carried in the same media access control control unit signaling MAC CE or in different MAC CEs.
- a set of unified TCI states in a unified TCI state includes a joint transmission configuration indication state, or a set of unified TCI states includes at least one of an uplink transmission configuration indication state and a downlink transmission configuration indication state.
- FIG. 9 is a flow chart showing a method for determining a transmission configuration indication state according to an exemplary embodiment. As shown in FIG. 9 , the method is used in a network device and includes the following steps.
- step S91 configuration information is sent, and the configuration information is used to determine the CC list.
- the CC list corresponds to at least one service cell, and the at least one service cell includes a first service cell based on S-TRP transmission and/or a second service cell based on M-TRP transmission.
- step S92 TCI status activation indication information is sent.
- the TCI state activation indication information is used to activate the TCI state of the first service cell and/or the second service cell.
- the TCI state activation indication information may be an activation indication information for simultaneously activating one or more service cells in the CC list, or may be a plurality of different activation indication information for respectively activating one or more different service cells in the CC list.
- TCI state activation indication information can be carried in MAC CE signaling.
- multiple service cells in at least one service cell corresponding to the same CC list are first service cells; or, multiple service cells in at least one service cell corresponding to the same CC list are second service cells.
- the second service cell includes a second service cell based on S-DCI indication (S-DCI M-TRP), and/or, a second service cell based on M-DCI indication (M-DCI M-TRP).
- S-DCI M-TRP S-DCI indication
- M-DCI M-TRP M-DCI indication
- S-DCI M-TRP can be determined in the following ways:
- the corresponding service cell can be determined as based on S-DCI M-TRP.
- the PDCCH/PDSCH/PUCCH/PUSCH and their respective DMRS are configured to be transmitted based on multiple TCI states:
- A: Single Frequency Network (SFN) transmission method uses multiple TCI states for transmission based on the same time domain resources, frequency domain resources and DMRS resources.
- FDM frequency division multiplexing
- TDM time division multiplexing
- M-DCI M-TRP can be determined in the following ways:
- the CORESETPoolIndex of at least one CORESET is configured as 1, and the CORESETPoolIndex of at least another CORESET is configured as 0 or is not configured as any value, it can be determined that the service cell corresponding to the terminal is the second service cell M-DCI M-TRP based on the multi-downlink control information indication.
- the service cell when the service cell does not meet the judgment conditions of S-DCI M-TRP and M-DCI M-TRP, the service cell is the first service cell based on S-TRP transmission.
- At least one service cell corresponding to the same CC list includes at least one first service cell and at least one second service cell.
- the second serving cell is a second serving cell indicated based on single downlink control information.
- At least one service cell corresponding to the same CC list may include at least one first service cell and at least one second service cell.
- the second service cell may be the second service cell of the S-DCI M-TRP.
- the activation indication information of the TCI state can be indicated based on the TCI state activation indication information of the S-DCI M-TRP service cell, that is, the TCI state of the S-DCI M-TRP service cell can be directly activated according to the received TCI state activation indication information, and one code point can correspond to multiple sets of unified TCI states. It can be understood that each set of unified TCI states corresponds to one TRP. However, at this time, which set of activated unified TCI states in the code point is used by the first service cell S-TRP needs to be further agreed.
- the TCI state activation indication information activates the unified TCI state corresponding to one or more code points, and there is at least one code point among the one or more code points corresponding to multiple sets of activated unified TCI states; the unified TCI state of the first service cell is determined based on the following method: determining the unified TCI state of the first service cell according to a first default rule; or, determining the unified TCI state of the first service cell through a first indication information.
- the unified TCI state of the first service cell is determined according to the first default rule, including: determining the specified unified TCI state corresponding to the first code point of multiple sets of unified TCI states as the unified TCI state corresponding to the first code point of the first service cell; and/or, determining the unified TCI state corresponding to the second code point of a set of unified TCI states as the unified TCI state corresponding to the second code point of the first service cell.
- the first code point codepoint#0 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#1 and unified TCI state#2, wherein unified TCI state#1 is located at the bit position of the first unified TCI state corresponding to codepoint#0, and unified TCI state#2 is located at the bit position of the second unified TCI state corresponding to codepoint#0.
- the first default rule may be to use the first unified TCI state corresponding to codepoint#0, i.e., unified TCI state#1, or to use the second unified TCI state corresponding to codepoint#0, i.e., unified TCI state#2, as the unified TCI state corresponding to the first code point of the first service cell.
- the unified TCI state#3 is directly used as the unified TCI state corresponding to the second code point of the first service cell.
- the unified TCI state of the first service cell is determined through the first indication information, including: the Xth unified TCI state corresponding to the code point activated by the TCI state activation indication information indicated by the first indication information is the unified TCI state of the first service cell, and X is a positive integer; or, the Yth unified TCI state corresponding to each code point activated by the TCI state activation indication information indicated by the first indication information is the unified TCI state based on the first service cell, and Y is a positive integer, and the value of Y may be the same or different for different code points.
- all code points activated by the TCI state activation indication information can be indicated by the first indication information, and the Xth unified TCI state of the code point is used as the unified TCI state corresponding to the corresponding code point of the first service cell.
- the first code point codepoint#0 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#01 and unified TCI state#02, wherein unified TCI state#01 is located at the bit position of the first unified TCI state corresponding to the codepoint#0, and unified TCI state#02 is located at the bit position of the second unified TCI state corresponding to the codepoint#0.
- the first code point codepoint#1 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#11 and unified TCI state#12, where unified TCI state#11 is located at the bit position of the first unified TCI state corresponding to codepoint#1, and unified TCI state#12 is located at the bit position of the second unified TCI state corresponding to codepoint#1.
- the first code point codepoint#2 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#21 and unified TCI state#22, wherein unified TCI state#21 is located at the bit position of the first unified TCI state corresponding to the codepoint#2, and unified TCI state#22 is located at the bit position of the second unified TCI state corresponding to the codepoint#2...
- codepoint#0 corresponds to unified TCI state#01
- codepoint#1 corresponds to unified TCI state#11
- codepoint#2 corresponds to unified TCI state#21...
- codepoint#0, codepoint#1, codepoint#2, etc. of the first service cell all correspond to the second unified TCI state of the codepoint, that is, codepoint#0 corresponds to unified TCI state#02
- codepoint#1 corresponds to unified TCI state#12
- codepoint#2 corresponds to unified TCI state#22, etc.
- the first indication information can also be used to indicate each code point activated by the TCI state activation indication information, and the Yth unified TCI state in each code point is respectively used as the unified TCI state corresponding to the corresponding code point of the first service cell, wherein X and Y are positive integers, and the value of Y can be the same or different for different code points.
- the first code point codepoint#0 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#01 and unified TCI state#02, where unified TCI state#01 is located at the bit position of the first unified TCI state corresponding to codepoint#0, and unified TCI state#02 is located at the bit position of the second unified TCI state corresponding to codepoint#0;
- the first code point codepoint#1 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state#11 and unified TCI state#12, where unified TCI state#11 is located at the bit position of the first unified TCI state corresponding to codepoint#1 position, unified TCI state#12 is located at the bit position of the second unified TCI state corresponding to codepoint#1;
- the first codepoint codepoint#2 activated by the TCI state activation indication information corresponds to two unified TCI states, namely unified TCI state
- codepoint#0 of the first service cell corresponds to the first unified TCI state of the codepoint, that is, codepoint#0 corresponds to unified TCI state#01
- codepoint#1, codepoint#2, etc. of the first service cell all correspond to the second unified TCI state of the codepoint, that is, codepoint#1 corresponds to unified TCI state#12
- codepoint#2 corresponds to unified TCI state#22, etc.
- codepoint#1 of the first service cell corresponds to the second unified TCI state of the codepoint, that is, codepoint#1 corresponds to unified TCI state#12.
- Codepoint#0 and codepoint#2 of the first service cell correspond to the first unified TCI state of the codepoint, that is, codepoint#0 corresponds to unified TCI state#01, and codepoint#2 corresponds to unified TCI state#21.
- the second service cell may be a second service cell indicated based on multiple downlink control information.
- the TCI state activation indication information received by the terminal may be used to activate the unified TCI state corresponding to one or more CORESETPoolIndex.
- the activation indication information of the TCI state may also be indicated based on the activation indication information of the TCI state of the M-DCI M-TRP service cell, that is, the TCI state of the M-DCI M-TRP service cell may be directly activated according to the received TCI state activation indication information, wherein one CORESETPoolIndex may correspond to the activation of one or more code points corresponding to the unified TCI state, and each code point corresponds to a set of unified TCI states.
- one CORESETPoolIndex corresponds to one TRP.
- CORESETPoolIndex corresponding to the activated TCI state of the first service cell S-TRP needs to be further agreed upon.
- different CORESETPoolIndex may be activated by the same TCI state activation indication information, or by different TCI state activation indication information.
- the TCI state activation indication information may include one or more CORESETPoolIndex.
- the TCI state activation indication information activates the unified TCI state corresponding to one or more CORESETPoolIndex respectively; the unified TCI state of the first service cell is determined based on the following method: according to the second default rule, the unified TCI state of the first service cell is determined; or, through the second indication information, the unified TCI state of the first service cell is determined.
- the unified TCI state of the first service cell is determined, including: determining the unified TCI state corresponding to the Qth CORESETPoolIndex among multiple CORESETPoolIndex as the unified TCI state of the first service cell, where Q is a positive integer.
- the second default rule may be to use the unified TCI state corresponding to CORESETPoolIndex#0 as the unified TCI state corresponding to the first service cell, or to use the unified TCI state corresponding to CORESETPoolIndex#1 as the unified TCI state corresponding to the first service cell.
- the unified TCI state of the first service cell is determined through the second indication information, including: indicating through the second indication information that the unified TCI state corresponding to the Pth CORESETPoolIndex among multiple CORESETPoolIndex is the unified TCI state of the first service cell, where P is a positive integer.
- the second indication information can indicate that the CORESETPoolIndex#0 or CORESETPoolIndex#1 activated by the TCI state activation indication information is the unified TCI state of the first service cell, where P is a positive integer.
- the first indication information and/or the second indication information are carried in radio resource control signaling and/or media access control control unit signaling.
- the TCI state activation indication information and the first indication information are carried in the same media access control control unit signaling, and/or the TCI state activation indication information and the second indication information are carried in the same media access control control unit signaling.
- a set of unified TCI states in a unified TCI state includes a joint transmission configuration indication state, or a set of unified TCI states in a unified TCI state includes at least one of an uplink transmission configuration indication state and a downlink transmission configuration indication state.
- the terminals can reach a consensus on the recognition of the unified TCI state identifier, thereby improving the transmission capability based on the unified TCI state.
- the method for determining the transmission configuration indication state provided in the embodiment of the present disclosure is applicable to the process of determining the transmission configuration indication state in the interaction process between the terminal and the network device. Among them, the process of interacting between the terminal and the network device to realize the transmission configuration indication state is not described in detail in the embodiment of the present disclosure.
- an embodiment of the present disclosure also provides a device for determining a transmission configuration indication state.
- the transmission configuration indication state determination device includes hardware structures and/or software modules corresponding to the execution of each function.
- the embodiment of the present disclosure can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the technical solution of the embodiment of the present disclosure.
- FIG. 10 is a structural block diagram of a device for determining a transmission configuration indication state according to an exemplary embodiment. As shown in FIG. 10 , the device 1000 includes:
- the receiving unit 1001 is configured to receive configuration information, where the configuration information is used to determine a CC list, where the CC list corresponds to at least one service cell.
- the at least one serving cell includes a first serving cell based on S-TRP transmission and/or a second serving cell based on M-TRP transmission;
- the receiving unit is also configured to receive TCI state activation indication information, where the TCI state activation indication information is used to activate the TCI state of the first service cell and/or the second service cell.
- multiple service cells in at least one service cell corresponding to the same CC list are first service cells; or, multiple service cells in at least one service cell corresponding to the same CC list are second service cells.
- the second serving cell includes a second serving cell indicated based on single downlink control information and/or a second serving cell indicated based on multiple downlink control information.
- At least one service cell corresponding to the same CC list includes at least one first service cell and at least one second service cell.
- the second serving cell is a second serving cell indicated based on single downlink control information.
- the TCI state activation indication information activates the unified TCI state corresponding to one or more code points respectively, and there is at least one code point among the one or more code points corresponding to multiple sets of activated unified TCI states; the unified TCI state of the first service cell is determined based on the following method: determining the unified TCI state of the first service cell according to a first default rule; or, determining the unified TCI state of the first service cell through a first indication information.
- the unified TCI state of the first service cell is determined according to the first default rule, including: determining the specified unified TCI state corresponding to the first code point of multiple sets of unified TCI states as the unified TCI state corresponding to the first code point of the first service cell; and/or, determining the unified TCI state corresponding to the second code point of a set of unified TCI states as the unified TCI state corresponding to the second code point of the first service cell.
- the unified TCI state of the first service cell is determined through the first indication information, including: the Xth unified TCI state corresponding to the code point activated by the TCI state activation indication information indicated by the first indication information is the unified TCI state of the first service cell, and X is a positive integer; or, the Yth unified TCI state corresponding to each code point activated by the TCI state activation indication information indicated by the first indication information is the unified TCI state based on the first service cell, and Y is a positive integer.
- the second serving cell is a second serving cell indicated based on multiple downlink control information.
- the TCI state activation indication information activates the unified TCI state corresponding to one or more CORESETPoolIndex respectively; the unified TCI state of the first service cell is determined based on the following method: according to the second default rule, the unified TCI state of the first service cell is determined; or, through the second indication information, the unified TCI state of the first service cell is determined.
- the unified TCI state of the first service cell is determined, including: determining the unified TCI state corresponding to the Qth CORESETPoolIndex among multiple CORESETPoolIndex as the unified TCI state of the first service cell, where Q is a positive integer.
- the unified TCI state of the first service cell is determined through the second indication information, including: indicating through the second indication information that the unified TCI state corresponding to the Pth CORESETPoolIndex among multiple CORESETPoolIndex is the unified TCI state of the first service cell, where P is a positive integer.
- the first indication information and/or the second indication information are carried in radio resource control signaling and/or media access control control unit signaling.
- the TCI state activation indication information and the first indication information are carried in the same media access control control unit signaling, and/or the TCI state activation indication information and the second indication information are carried in the same media access control control unit signaling.
- a set of unified TCI states in the unified TCI state includes at least one of a joint transmission configuration indication state, an uplink transmission configuration indication state and a downlink transmission configuration indication state.
- the terminals can reach a consensus on the recognition of the unified TCI state identifier, thereby improving the transmission capability based on the unified TCI state.
- FIG. 11 is a structural block diagram of a device for determining a transmission configuration indication state according to an exemplary embodiment. As shown in FIG. 11 , the device 1100 includes:
- the sending unit 1101 is configured to send configuration information, where the configuration information is used to determine a CC list, and the CC list corresponds to at least one service cell.
- the at least one serving cell includes a first serving cell based on S-TRP transmission and/or a second serving cell based on M-TRP transmission;
- the sending unit is also configured to send TCI state activation indication information, where the TCI state activation indication information is used to activate the TCI state of the first service cell and/or the second service cell.
- multiple service cells in at least one service cell corresponding to the same CC list are first service cells; or, multiple service cells in at least one service cell corresponding to the same CC list are second service cells.
- the second serving cell includes a second serving cell indicated based on single downlink control information and/or a second serving cell indicated based on multiple downlink control information.
- At least one service cell corresponding to the same CC list includes at least one first service cell and at least one second service cell.
- the second serving cell is a second serving cell indicated based on single downlink control information.
- the TCI state activation indication information activates the unified TCI state corresponding to one or more code points, and there is at least one code point among the one or more code points corresponding to multiple sets of activated unified TCI states; the unified TCI state of the first service cell is determined based on the following method: determining the unified TCI state of the first service cell according to a first default rule; or, determining the unified TCI state of the first service cell through a first indication information.
- the unified TCI state of the first service cell is determined according to the first default rule, including: determining the specified unified TCI state corresponding to the first code point of multiple sets of unified TCI states as the unified TCI state corresponding to the first code point of the first service cell; and/or, determining the unified TCI state corresponding to the second code point of a set of unified TCI states as the unified TCI state corresponding to the second code point of the first service cell.
- the unified TCI state of the first service cell is determined through the first indication information, including: the Xth unified TCI state corresponding to the code point activated by the TCI state activation indication information indicated by the first indication information is the unified TCI state of the first service cell, and X is a positive integer; or, the Yth unified TCI state corresponding to each code point activated by the TCI state activation indication information indicated by the first indication information is the unified TCI state based on the first service cell, and Y is a positive integer.
- the second serving cell is a second serving cell indicated based on multiple downlink control information.
- the TCI state activation indication information activates the unified TCI state corresponding to one or more CORESETPoolIndex respectively; the unified TCI state of the first service cell is determined based on the following method: according to the second default rule, the unified TCI state of the first service cell is determined; or, through the second indication information, the unified TCI state of the first service cell is determined.
- the unified TCI state of the first service cell is determined, including: determining the unified TCI state corresponding to the Qth CORESETPoolIndex among multiple CORESETPoolIndex as the unified TCI state of the first service cell, where Q is a positive integer.
- the unified TCI state of the first service cell is determined through the second indication information, including: indicating through the second indication information that the unified TCI state corresponding to the Pth CORESETPoolIndex among multiple CORESETPoolIndex is the unified TCI state of the first service cell, where P is a positive integer.
- the first indication information and/or the second indication information are carried in wireless resource control signaling and/or media access control control unit signaling.
- the TCI state activation indication information and the first indication information are carried in the same media access control control unit signaling, and/or the TCI state activation indication information and the second indication information are carried in the same media access control control unit signaling.
- a set of unified TCI states in the unified TCI state includes at least one of a joint transmission configuration indication state, an uplink transmission configuration indication state and a downlink transmission configuration indication state.
- the terminals can reach a consensus on the recognition of the unified TCI state identifier, thereby improving the transmission capability based on the unified TCI state.
- Fig. 12 is a block diagram of an apparatus 1200 for determining a transmission configuration indication state according to an exemplary embodiment.
- the apparatus 1200 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
- device 1200 may include one or more of the following components: a processing component 1202 , a memory 1204 , a power component 1206 , a multimedia component 1208 , an audio component 1210 , an input/output (I/O) interface 1212 , a sensor component 1214 , and a communication component 1216 .
- a processing component 1202 may include one or more of the following components: a processing component 1202 , a memory 1204 , a power component 1206 , a multimedia component 1208 , an audio component 1210 , an input/output (I/O) interface 1212 , a sensor component 1214 , and a communication component 1216 .
- a processing component 1202 may include one or more of the following components: a processing component 1202 , a memory 1204 , a power component 1206 , a multimedia component 1208 , an audio component 1210 , an input/output (I/O) interface 1212 , a sensor component 1214 , and a communication
- the processing component 1202 generally controls the overall operation of the device 1200, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
- the processing component 1202 may include one or more processors 1220 to execute instructions to perform all or part of the steps of the above-mentioned method.
- the processing component 1202 may include one or more modules to facilitate the interaction between the processing component 1202 and other components.
- the processing component 1202 may include a multimedia module to facilitate the interaction between the multimedia component 1208 and the processing component 1202.
- the memory 1204 is configured to store various types of data to support the operation of the device 1200. Examples of such data include instructions for any application or method operating on the device 1200, contact data, phone book data, messages, pictures, videos, etc.
- the memory 1204 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
- SRAM static random access memory
- EEPROM electrically erasable programmable read-only memory
- EPROM erasable programmable read-only memory
- PROM programmable read-only memory
- ROM read-only memory
- magnetic memory flash memory
- flash memory magnetic disk or optical disk.
- the power component 1206 provides power to the various components of the device 1200.
- the power component 1206 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to the device 1200.
- the multimedia component 1208 includes a screen that provides an output interface between the device 1200 and the user.
- the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
- the touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
- the multimedia component 1208 includes a front camera and/or a rear camera. When the device 1200 is in an operating mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
- the audio component 1210 is configured to output and/or input audio signals.
- the audio component 1210 includes a microphone (MIC), and when the device 1200 is in an operation mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal.
- the received audio signal can be further stored in the memory 1204 or sent via the communication component 1216.
- the audio component 1210 also includes a speaker for outputting audio signals.
- I/O interface 1212 provides an interface between processing component 1202 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: home button, volume button, start button, and lock button.
- the sensor assembly 1214 includes one or more sensors for providing various aspects of the status assessment of the device 1200.
- the sensor assembly 1214 can detect the open/closed state of the device 1200, the relative positioning of components, such as the display and keypad of the device 1200, the sensor assembly 1214 can also detect the position change of the device 1200 or a component of the device 1200, the presence or absence of user contact with the device 1200, the orientation or acceleration/deceleration of the device 1200, and the temperature change of the device 1200.
- the sensor assembly 1214 can include a proximity sensor configured to detect the presence of a nearby object without any physical contact.
- the sensor assembly 1214 can also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor assembly 1214 can also include an accelerometer, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- the communication component 1216 is configured to facilitate wired or wireless communication between the device 1200 and other devices.
- the device 1200 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
- the communication component 1216 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
- the communication component 1216 also includes a near field communication (NFC) module to facilitate short-range communication.
- the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra-wideband
- Bluetooth Bluetooth
- the device 1200 can be implemented by one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components to perform the above methods.
- ASICs application-specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGAs field programmable gate arrays
- controllers microcontrollers, microprocessors or other electronic components to perform the above methods.
- a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 1204 including instructions, and the instructions can be executed by the processor 1220 of the device 1200 to perform the above method.
- the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
- FIG13 is a block diagram of an apparatus 1300 for determining a transmission configuration indication state according to an exemplary embodiment.
- the apparatus 1300 may be provided as a server.
- the apparatus 1300 includes a processing component 1322, which further includes one or more processors, and a memory resource represented by a memory 1332 for storing instructions executable by the processing component 1322, such as an application.
- the application stored in the memory 1332 may include one or more modules, each of which corresponds to a set of instructions.
- the processing component 1322 is configured to execute instructions to perform the above-mentioned method for determining the transmission configuration indication state.
- the device 1300 may also include a power supply component 1326 configured to perform power management of the device 1300, a wired or wireless network interface 1350 configured to connect the device 1300 to a network, and an input/output (I/O) interface 1358.
- the device 1300 may operate based on an operating system stored in the memory 1332, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, or the like.
- a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 1332 including instructions, which can be executed by the processing component 1322 of the device 1300 to perform the above method.
- the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.
- plural refers to two or more than two, and other quantifiers are similar thereto.
- “And/or” describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and/or B may represent: A exists alone, A and B exist at the same time, and B exists alone.
- the character “/” generally indicates that the associated objects before and after are in an “or” relationship.
- the singular forms “a”, “the”, and “the” are also intended to include plural forms, unless the context clearly indicates other meanings.
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Abstract
本公开是关于一种传输配置指示状态的确定方法、装置及存储介质,该传输配置指示状态的确定方法包括:接收配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少一个服务小区;所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;接收传输配置指示TCI状态激活指示信息,所述TCI状态激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。本公开提供的方法,在减少信令开销的同时,可以使得终端在统一TCI状态标识的认知上达成一致,提高了基于统一TCI状态的传输能力。
Description
本公开涉及通信技术领域,尤其涉及一种传输配置指示(Transmission Configuration Indicator,TCI)状态的确定方法、装置及存储介质。
在新无线技术(New Radio,NR)中,例如通信频段在频段2(frequency range 2)时,由于高频信道衰减较快,为了保证覆盖范围,需要使用基于波束(beam)的发送和接收。
相关技术中,控制信道、数据信道、以及参考信号的波束都是独立指示的。而且控制信道(物理下行控制信道(Physical Downlink Control Channel,PDCCH)以及物理上行控制信道(Physical Uplink Control Channel,PDCCH))和/或其相应的解调参考信号(Demodulation Reference Signal,DMRS)使用媒体接入控制(Medium Access Control,MAC)控制单元(Control Element,CE)来激活一个波束。而数据信道(物理下行共享信道(Physical Downlink Shared Channel,PDSCH)以及物理上行共享信道(Physical Uplink Shared Channel,PUSCH))和/或其相应的DMRS使用下行控制信息(Downlink Control Information,DCI)信令来指示其各自的波束。
为了减少MAC CE信令开销,对于终端有多个服务小区的情况下,可以将多个服务小区配置为至少一个成员载波(Component Carrier,CC)列表(list),那么对于属于一个CC list的多个服务小区,可以使用一个MAC CE来激活或更新对应的TCI状态(state)。然而,服务小区可以被配置为基于单发送接收点(Single Transmission Reception Point,S-TRP)传输,也可以被配置为基于多发送接收点(Multi Transmission Reception Point,M-TRP)传输。
对于配置为S-TRP传输的服务小区以及M-TRP传输的服务小区,如何进行CC list的配置,目前并没有明确。例如,对于配置为S-TRP传输的服务小区以及M-TRP传输的服务小区是否可以配置在一个CC list里面,是需要解决的问题。
发明内容
为克服相关技术中存在的问题,本公开提供一种传输配置指示状态的确定方法、装置及存储介质。
根据本公开实施例的第一方面,提供一种传输配置指示状态的确定方法,包括:
接收配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少 一个服务小区;
所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;
接收传输配置指示TCI状态激活指示信息,所述TCI状态激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。
根据本公开实施例的第二方面,提供一种传输配置指示状态的确定方法,包括:
发送配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少一个服务小区;
所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;
发送传输配置指示TCI状态激活指示信息,所述TCI状态激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。
根据本公开实施例的第三方面,提供一种传输配置指示状态的确定装置,包括:
接收单元,被配置为接收配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少一个服务小区;
所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;
所述接收单元还被配置为,接收传输配置指示TCI状态激活指示信息,所述TCI状态激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。
根据本公开实施例的第四方面,提供一种传输配置指示状态的确定装置,包括:
发送单元,被配置为发送配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少一个服务小区;
所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;
所述发送单元还被配置为,发送传输配置指示TCI状态激活指示信息,所述TCI状态激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。
根据本公开实施例的第五方面,提供一种传输配置指示状态的确定装置,包括:
处理器;
用于存储处理器可执行指令的存储器;
其中,所述处理器被配置为:执行如第一方面、第一方面任意一种实施方式、第二方面或第二方面任意一种实施方式中所述的方法。
根据本公开实施例的第六方面,提供一种存储介质,所述存储介质中存储有指令,当所述存储介质中的指令由终端的处理器执行时,使得终端能够执行如第一方面、第一方面任意一种实施方式、第二方面或第二方面任意一种实施方式中所述的方法。
本公开的实施例提供的技术方案可以包括以下有益效果:提出了配置在一个CC list中的基于S-TRP传输的服务小区和基于M-TRP传输的服务小区的TCI状态的激活方法,在减少信令开销的同时,可以使得终端在统一TCI状态标识的认知上达成一致,提高了基于统一TCI状态的传输能力。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本公开。
此处的附图被并入说明书中并构成本说明书的一部分,示出了符合本公开的实施例,并与说明书一起用于解释本公开的原理。
图1是根据一示例性实施例示出的一种无线通信系统示意图。
图2是根据一示例性实施例示出的一种传输配置指示状态的确定方法的流程图。
图3是根据一示例性实施例示出的确定第一服务小区的统一传输配置指示状态的方法的流程图。
图4是根据一示例性实施例示出的根据第一默认规则确定所述第一服务小区的统一传输配置指示状态的方法的流程图。
图5是根据一示例性实施例示出的通过第一指示信息确定所述第一服务小区的统一传输配置指示状态的方法的流程图。
图6是根据一示例性实施例示出的确定第一服务小区的统一传输配置指示状态的方法的流程图。
图7是根据一示例性实施例示出的根据第二默认规则确定所述第一服务小区的统一传输配置指示状态的方法的流程图。
图8是根据一示例性实施例示出的通过第二指示信息确定所述第一服务小区的统一传输配置指示状态的方法的流程图。
图9是根据一示例性实施例示出的一种传输配置指示状态的确定方法的流程图。
图10是根据一示例性实施例示出的一种传输配置指示状态的确定装置的结构框图。
图11是根据一示例性实施例示出的一种传输配置指示状态的确定装置的结构框图。
图12是根据一示例性实施例示出的一种装置的框图。
图13是根据一示例性实施例示出的一种装置的框图。
这里将详细地对示例性实施例进行说明,其示例表示在附图中。下面的描述涉及附图时,除非另有表示,不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开相一致的所有实施方式。
本公开实施例的传输配置指示状态的确定方法可以应用于图1所示的无线通信系统中。参阅图1所示,该无线通信系统中包括网络设备和终端。终端通过无线资源与网络设备相连接,并进行数据传输。
可以理解的是,图1所示的无线通信系统仅是进行示意性说明,无线通信系统中还可以包括其他网络设备,例如还可以包括核心网设备、无线中继设备和无线回传设备等,在图1中未画出。本公开实施例对该无线通信系统中包括网络设备数量和终端数量不做限定。
进一步可以理解的是,本公开实施例无线通信系统,是一种提供无线通信功能的网络。无线通信系统可以采用不同的通信技术,例如码分多址(code division multiple access,CDMA)、宽带码分多址(wideband code division multiple access,WCDMA)、时分多址(time division multiple access,TDMA)、频分多址(frequency division multiple access,FDMA)、正交频分多址(orthogonal frequency-division multiple access,OFDMA)、单载波频分多址(single Carrier FDMA,SC-FDMA)、载波侦听多路访问/冲突避免(Carrier Sense Multiple Access with Collision Avoidance)。根据不同网络的容量、速率、时延等因素可以将网络分为2G(英文:generation)网络、3G网络、4G网络或者未来演进网络,如5G网络,5G网络也可称为是新无线网络(New Radio,NR)。为了方便描述,本公开有时会将无线通信网络简称为网络。
进一步的,本公开中涉及的网络设备也可以称为无线接入网设备。该无线接入网设备可以是:基站、演进型基站(evolved node B,基站)、家庭基站、无线保真(wireless fidelity,WIFI)系统中的接入点(access point,AP)、无线中继节点、无线回传节点、传输点(transmission point,TP)或者发送接收点(transmission and reception point,TRP)等,还可以为NR系统中的gNB,或者,还可以是构成基站的组件或一部分设备等。应理解,本公开的实施例中,对网络设备所采用的具体技术和具体设备形态不做限定。在本公开中,网络设备可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域(小区)内的终端进行通信。此外,当为车联网(V2X)通信系统时,网络设备还可以是车载设备。
进一步的,本公开中涉及的终端,也可以称为终端设备、用户设备(User Equipment,UE)、移动台(Mobile Station,MS)、移动终端(Mobile Terminal,MT)等,是一种向用户提供语音和/或数据连通性的设备,例如,终端可以是具有无线连接功能的手持式设备、 车载设备等。目前,一些终端的举例为:智能手机(Mobile Phone)、客户前置设备(Customer Premise Equipment,CPE),口袋计算机(Pocket Personal Computer,PPC)、掌上电脑、个人数字助理(Personal Digital Assistant,PDA)、笔记本电脑、平板电脑、可穿戴设备、或者车载设备等。此外,当为车联网(V2X)通信系统时,终端设备还可以是车载设备。应理解,本公开实施例对终端所采用的具体技术和具体设备形态不做限定。
相关技术中,为减少信令开销,引入了统一传输配置指示状态(unified Transmission Configuration Indicator,unified TCI state)的使用。unified TCI state可以包括上下行联合TCI状态(joint TCI state),以进行上行和下行联合指示。或者,unified TCI state可以包括独立下行TCI状态(separate DL TCI state)和独立上行TCI状态(separate UL TCI state)用于分别指示上行和下行的准共址(Quasi co-location,QCL)参数。
网络设备如果指示一个独立下行TCI状态,那么该独立下行TCI状态可以适用于终端的PDSCH和/或其相应的DMRS、和至少一部分PDCCH和/或其相应的DMRS,以及至少一部分信道状态信息参考信号(Channel State Information-Reference Signal,CSI-RS)。网络设备如果指示一个独立上行TCI状态,那么该独立上行TCI状态可以适用于终端的PUSCH和/或其相应的DMRS、和PUCCH和/或其相应的DMRS,以及至少一部分探测参考信号(Sounding Reference Signal,SRS)。网络设备如果指示一个上下行联合TCI状态,则该上下行联合TCI状态可以同时适用于上行和下行信道和/或参考信号。
其中,相关技术中可以采用无线资源控制信令(Radio Resource Control,RRC)与MAC CE指示unified TCI state,或者采用无线资源控制信令RRC、媒体接入控制控制单元信令MAC CE与下行控制信息(Downlink control information,DCI)指示unified TCI state。其中,RRC用于指示TCI状态列表,由于TCI是在DCI中动态发送的消息,因此当激活的unified TCI state对应DCI的TCI域的一个码点(codepoint)时,无需额外的DCI指示TCI状态,此时可以采用RRC与MAC CE指示unified TCI state。另一方面,当激活的unified TCI state包含DCI的TCI域的多个码点分别对应的unified TCI state时,需要使用DCI的TCI域指示一个码点,以告知使用哪个码点对应的unified TCI state,此时可以采用RRC、MAC CE与DCI指示unified TCI state。
其中,unified TCI state可以包含上下行联合TCI状态、独立上行TCI状态和/或独立下行TCI状态。若unified TCI state被配置为上下行联合TCI状态,则unified TCI state包含上下行联合TCI状态,否则,unified TCI state包含独立上行TCI状态和独立下行TCI状态中的至少一种。
上文提及,为减少MAC CE的信令开销,对于终端有多个服务小区的情况下,可以将多个服务小区配置为至少一个成员载波(Component Carrier,CC)列表(list),那么对于属于一个CC list的多个服务小区,可以使用一个MAC CE来激活或更新对应的TCI状态(state)。对于配置为S-TRP传输的服务小区以及M-TRP传输的服务小区,如何进行CC list的配置,目前并没有明确。例如,对于配置为S-TRP传输的服务小区以及M-TRP传输的服务小区是否可以配置在一个CC list里面,进一步地,若将配置为S-TRP传输的服务小区以及M-TRP传输的服务小区配置在一个CC list里面,如何激活或更新各服务小区的TCI状态,是需要解决的问题。
鉴于此,本公开实施例提供了一种传输配置指示状态的确定方法,主要针对配置在一个CC list中的基于S-TRP传输的服务小区和基于M-TRP传输的服务小区,其对应的TCI状态的激活方法。该方法在减少信令开销的同时,可以使得终端在unified TCI state标识的认知上达成一致,提高了基于unified TCI state的传输能力。
其中,本公开实施例中为描述方便,将基于S-TRP传输的服务小区称为第一服务小区,将基于M-TRP传输的服务小区称为第二服务小区。
图2是根据一示例性实施例示出的一种传输配置指示状态的确定方法的流程图,如图2所示,该方法用于终端中,包括以下步骤。
在步骤S21中,接收配置信息,配置信息用于确定CC list。
其中,CC list对应有至少一个服务小区,至少一个服务小区中包括基于S-TRP传输的第一服务小区,和/或基于M-TRP传输的第二服务小区。
在步骤S22中,接收TCI状态激活指示信息。
其中,TCI状态激活指示信息用于激活第一服务小区和/或第二服务小区的TCI状态。
本公开实施例中,终端接收配置信息,配置信息可以包括用于确定CC list的信息,以及其他信息。CC list包括基于S-TRP传输的第一服务小区,和/或基于M-TRP传输的第二服务小区的至少一个服务小区。
本公开实施例中,TCI状态激活指示信息可以是一个激活指示信息,用于同时激活CC list中的一个或多个服务小区,也可以是多个不同的激活指示信息,分别用于激活CC list中不同的一个或多个服务小区。
其中,一种实施方式中,TCI状态激活指示信息可以是MAC CE信令。
采用本公开实施例的技术方案,通过确定了配置在一个CC list中的基于S-TRP传输的服务小区和基于M-TRP传输的服务小区的TCI状态的激活方法,在减少信令开销的同 时,可以使得终端在unified TCI state标识的认知上达成一致,提高了基于unified TCI state的传输能力。
本公开实施例中,同一CC list对应的服务小区中,可以包括一个或多个基于S-TRP传输的第一服务小区,或也可以包括一个或多个基于M-TRP传输的第二服务小区。
进一步地,基于M-TRP传输的第二服务小区可以包括基于单下行控制信息指示的第二服务小区(S-DCI M-TRP),和/或,基于多下行控制信息指示的第二服务小区(M-DCI M-TRP)。
其中,S-DCI M-TRP可以采用以下方式确定:
当PDCCH、PDSCH、PUCCH、PUSCH及其各自对应的DMRS被配置为基于多个TCI状态传输时,可以确定对应的服务小区为基于S-DCI M-TRP。
其中,当满足以下条件A、B和C中的至少一项时,可以确定PDCCH/PDSCH/PUCCH/PUSCH及其各自的DMRS被配置为基于多个TCI状态传输:
A:单频网络(Single Frequency Network,SFN)传输方法,基于同样的时域资源,频域资源和DMRS资源,使用多个TCI state进行传输
B:重复传输,包括频分复用(Frequency Division Multiplexing,FDM)方法,同样的时域资源,不同的频域资源,不同的TCI state进行传输。或者包括时分复用(Time Division Multiplexing,TDM)方法,同样的频域资源,不同的时域资源,不同的TCI state进行传输
C:基于多个DMRS端口组的传输,同样的时域资源和频域资源,不同的DMRS端口组,不同的TCI state进行传输。
其中,M-DCI M-TRP可以采用以下方式确定:
当终端的多个CORESET中,至少有一个CORESET的CORESETPoolIndex被配置为1,而至少有另一个CORESET的CORESETPoolIndex被配置为0或者没有被配置为任何值时,可以确定该终端对应的服务小区为基于多下行控制信息指示的第二服务小区M-DCI M-TRP。
可以理解的是,当服务小区不满足S-DCI M-TRP和M-DCI M-TRP的判定条件时,该服务小区即为基于S-TRP传输的第一服务小区。
本公开实施例中,同一CC list对应的至少一个服务小区中可以包括至少一个第一服务小区,以及至少一个第二服务小区。进一步地,第二服务小区可以为S-DCI M-TRP的第二服务小区。此时,终端接收的TCI状态激活指示信息可用于激活一个或多个码点分别对应的unified TCI state,且该一个或多个码点中存在至少一个码点对应多套激活的unified TCI state。这种情况下,TCI状态的激活指示信息可以基于S-DCI M-TRP服务小区的TCI状态激活指示信息来指示,即S-DCI M-TRP服务小区的TCI状态可以直接根据接收到的TCI状态激活指示信息进行激活,其中一个码点可以对应多套unified TCI state。可以理解的是,每套unified TCI state对应一个TRP。然而,此时第一服务小区S-TRP使用该码点中的哪套激活的unified TCI state,需要进一步约定。
图3是根据一示例性实施例示出的确定第一服务小区的unified TCI state的方法的流程图,如图3所示,该方法包括如下步骤。
在步骤S31中,根据第一默认规则确定第一服务小区的unified TCI state;或者,通过第一指示信息确定第一服务小区的unified TCI state。
本公开实施例中,当同一CC list中包括至少一个第一服务小区和至少一个第二服务小区,该第二服务小区为S-DCI M-TRP服务小区,且终端接收的TCI状态激活指示信息激活一个或多个码点分别对应的unified TCI state,该一个或多个码点中存在至少一个码点对应多套激活的unified TCI state时,第一服务小区的unified TCI state可以根据第一默认规则或者通过第一指示信息确定。
图4是根据一示例性实施例示出的根据第一默认规则确定所述第一服务小区的unified TCI state的方法的流程图,如图4所示,该方法包括如下步骤。
在步骤S41中,将对应所述多套unified TCI state的第一码点所对应的指定unified TCI state,确定为所述第一服务小区的第一码点对应的unified TCI state;和/或,将对应一套unified TCI state的第二码点所对应的unified TCI state,确定为所述第一服务小区的第二码点对应的unified TCI state。
一示例中,若TCI状态激活指示信息激活的第一码点codepoint#0对应了两个unified TCI state,分别是unified TCI state#1和unified TCI state#2,其中unified TCI state#1位于该codepoint#0对应的第一个unified TCI state的比特位置,unified TCI state#2位于该codepoint#0对应的第二个unified TCI state的比特位置。则,第一默认规则可以是,使用该codepoint#0对应的第一个unified TCI state,即unified TCI state#1,或者使用codepoint#0对应的第二个unified TCI state,即unified TCI state#2作为第一服务小区的第一码点对应的unified TCI state。
另一示例中,若TCI状态激活指示信息激活的第二码点codepoint#1对应一个unified TCI stateunified TCI state#3,则直接使用该unified TCI state#3作为第一服务小区的第二码点对应的unified TCI state。
图5是根据一示例性实施例示出的通过第一指示信息确定所述第一服务小区的unified TCI state的方法的流程图,如图5所示,该方法包括如下步骤。
在步骤S51中,通过第一指示信息指示TCI状态激活指示信息激活的码点对应的第X个unified TCI state,为第一服务小区的unified TCI state;或者,通过第一指示信息分别指示TCI状态激活指示信息激活的各个码点分别对应的第Y个unified TCI state,为第一服务小区的unified TCI state。
其中,X和Y为正整数,针对不同的码点,Y的取值可以相同,或者不同。
一示例中,可以通过第一指示信息指示TCI状态激活指示信息激活的所有码点,均采用该码点的第X个unified TCI state作为第一服务小区的相应码点对应的unified TCI state。若TCI状态激活指示信息激活的第一码点codepoint#0对应了两个unified TCI state,分别是unified TCI state#01和unified TCI state#02,其中unified TCI state#01位于该codepoint#0对应的第一个unified TCI state的比特位置,unified TCI state#02位于该codepoint#0对应的第二个unified TCI state的比特位置。TCI状态激活指示信息激活的第一码点codepoint#1对应了两个unified TCI state,分别是unified TCI state#11和unified TCI state#12,其中unified TCI state#11位于该codepoint#1对应的第一个unified TCI state的比特位置,unified TCI state#12位于该codepoint#1对应的第二个unified TCI state的比特位置。TCI状态激活指示信息激活的第一码点codepoint#2对应了两个unified TCI state,分别是unified TCI state#21和unified TCI state#22,其中unified TCI state#21位于该codepoint#2对应的第一个unified TCI state的比特位置,unified TCI state#22位于该codepoint#2对应的第二个unified TCI state的比特位置……那么第一指示信息可以指示TCI状态激活指示信息激活的所有码点,均采用该码点的第X个unified TCI state作为第一服务小区的相应码点对应的unified TCI state。比如,X=1,则第一服务小区的codepoint#0,codepoint#1,codepoint#2……对应的都是该码点的第一个unified TCI state,即codepoint#0对应unified TCI state#01,codepoint#1对应unified TCI state#11,codepoint#2对应unified TCI state#21……。又比如,X=2,则第一服务小区的codepoint#0,codepoint#1,codepoint#2……对应的都是该码点的第二个unified TCI state,即codepoint#0对应unified TCI state#02,codepoint#1对应unified TCI state#12,codepoint#2对应unified TCI state#22……。
另一示例中,还可以通过第一指示信息指示TCI状态激活指示信息激活的各个码点,分别采用各码点中的第Y个unified TCI state作为第一服务小区的相应码点对应的unified TCI state,其中,X和Y为正整数,针对不同的码点,Y的取值可以相同,或者不同。若TCI状态激活指示信息激活的第一码点codepoint#0对应了两个unified TCI state,分别是unified TCI state#01和unified TCI state#02,其中unified TCI state#01位于该codepoint#0对 应的第一个unified TCI state的比特位置,unified TCI state#02位于该codepoint#0对应的第二个unified TCI state的比特位置;TCI状态激活指示信息激活的第一码点codepoint#1对应了两个unified TCI state,分别是unified TCI state#11和unified TCI state#12,其中unified TCI state#11位于该codepoint#1对应的第一个unified TCI state的比特位置,unified TCI state#12位于该codepoint#1对应的第二个unified TCI state的比特位置;TCI状态激活指示信息激活的第一码点codepoint#2对应了两个unified TCI state,分别是unified TCI state#21和unified TCI state#22,其中unified TCI state#21位于该codepoint#2对应的第一个unified TCI state的比特位置,unified TCI state#22位于该codepoint#2对应的第二个unified TCI state的比特位置……那么第一指示信息可以指示TCI状态激活指示信息激活的所有码点,分别采用各码点中的第Y个unified TCI state作为第一服务小区的相应码点对应的unified TCI state。比如,码点codepoint#0的Y=1,codepoint#1和codepoint#2的Y=2……,则第一服务小区的codepoint#0对应的是该码点的第一个unified TCI state,即codepoint#0对应unified TCI state#01,第一服务小区的codepoint#1,codepoint#2……对应的都是该码点的第二个unified TCI state,即codepoint#1对应unified TCI state#12,codepoint#2对应unified TCI state#22……。又比如,码点codepoint#1的Y=2,码点codepoint#0和码点codepoint#2的Y=1,第一服务小区的codepoint#1对应的都是该码点的第二个unified TCI state,即codepoint#1对应unified TCI state#12,第一服务小区的codepoint#0和codepoint#2对应的是该码点的第一个unified TCI state,即codepoint#0对应unified TCI state#01,codepoint#2对应unified TCI state#21。
本公开实施例中,同一CC list对应的至少一个服务小区中可以包括至少一个第一服务小区,以及至少一个第二服务小区。进一步地,第二服务小区可以为基于多下行控制信息指示M-DCI M-TRP的第二服务小区。此时,终端接收的TCI状态激活指示信息可用于激活一个或多个CORESETPoolIndex分别对应的unified TCI state。这种情况下,TCI状态的激活指示信息同样可以基于M-DCI M-TRP服务小区的TCI状态的激活指示信息来进行指示,即M-DCI M-TRP服务小区的TCI状态可以直接根据接收到的TCI状态激活指示信息进行激活,其中一个CORESETPoolIndex可以对应激活一个或多个码点对应的unified TCI state,每个码点对应一套unified TCI state。比如可以理解为,一个CORESETPoolIndex对应一个TRP。然而,此时第一服务小区S-TRP使用哪个CORESETPoolIndex对应的激活TCI状态,需要进一步约定。需要说明的是,不同的CORESETPoolIndex可以通过同一个TCI状态激活指示信息进行激活,也可以通过不同的TCI状态激活指示信息进行激活。进一步,TCI状态激活指示信息可以包含一个或多个CORESETPoolIndex。
图6是根据一示例性实施例示出的确定第一服务小区的unified TCI state的方法的流程图,如图6所示,该方法包括如下步骤。
在步骤S61中,根据第二默认规则确定第一服务小区的unified TCI state;或者,通过第二指示信息确定第一服务小区的unified TCI state。
本公开实施例中,当同一CC list中包括至少一个第一服务小区和至少一个第二服务小区,该第二服务小区为M-DCI M-TRP服务小区,且终端接收的TCI状态激活指示信息激活各个CORESETPoolIndex分别对应的一个或多个码点分别对应的unified TCI state,对于每个CORESETPoolIndex,该一个或多个码点中每个码点对应一套激活的unified TCI state时,第一服务小区的unified TCI state可以根据第二默认规则或者通过第二指示信息确定。
图7是根据一示例性实施例示出的根据第二默认规则确定所述第一服务小区的unified TCI state的方法的流程图,如图7所示,该方法包括如下步骤。
在步骤S71中,确定多个CORESETPoolIndex中的第Q个CORESETPoolIndex对应的unified TCI state为第一服务小区的unified TCI state。
其中,Q为正整数。
一示例中,若TCI状态激活指示信息分别激活两个CORESETPoolIndex对应的unified TCI state,例如通过第一TCI状态激活指示信息激活CORESETPoolIndex#0对应的unified TCI state,通过第二TCI状态激活指示信息激活CORESETPoolIndex#1对应的unified TCI state,第二默认规则可以是,使用该CORESETPoolIndex#0对应的unified TCI state作为第一服务小区对应的unified TCI state,或者使用该CORESETPoolIndex#1对应的unified TCI state作为第一服务小区对应的unified TCI state。
图8是根据一示例性实施例示出的通过第二指示信息确定所述第一服务小区的unified TCI state的方法的流程图,如图8所示,该方法包括如下步骤。
在步骤S81中,通过第二指示信息指示多个CORESETPoolIndex中的第P个CORESETPoolIndex对应的unified TCI state为第一服务小区的unified TCI state。
其中,P为正整数。
一示例中,可以通过第二指示信息指示TCI状态激活指示信息激活的CORESETPoolIndex#0或者CORESETPoolIndex#1为第一服务小区的unified TCI state,其中,P为正整数。
采用本公开实施例的技术方案,通过对同一CC list对应的至少一个服务小区中可以包括至少一个第一服务小区,以及至少一个第二服务小区,且至少一个第二服务小区为S-DCI M-TRP服务小区,TCI状态激活指示信息激活一个或多个码点分别对应的unified TCI state, 该一个或多个码点中存在至少一个码点对应多套激活的unified TCI state时,或者至少一个第二服务小区为M-DCI M-TRP服务小区,TCI状态激活指示信息激活一个或多个CORESETPoolIndex分别对应的unified TCI state时,确定了第一服务小区的unified TCI state的确定方式,在减少信令开销的同时,可以使得终端在unified TCI state标识的认知上达成一致,提高了基于unified TCI state的传输能力。
本公开实施例中,第一指示信息和/或第二指示信息可以承载在无线资源控制信令RRC和/或媒体接入控制控制单元信令MAC CE中。进一步地,TCI状态激活指示信息和第一指示信息可以承载在同一媒体接入控制控制单元信令MAC CE或不同的MAC CE中,和/或TCI状态激活指示信息和第二指示信息可以承载在同一媒体接入控制控制单元信令MAC CE或不同的MAC CE中。
本公开实施例中,unified TCI state中的一套unified TCI state包括联合传输配置指示状态,或一套unified TCI state包括上行传输配置指示状态和下行传输配置指示状态中的至少一项。
图9是根据一示例性实施例示出的一种传输配置指示状态的确定方法的流程图,如图9所示,该方法用于网络设备中,包括以下步骤。
在步骤S91中,发送配置信息,配置信息用于确定CC list。
其中,CC list对应有至少一个服务小区,至少一个服务小区中包括基于S-TRP传输的第一服务小区,和/或基于M-TRP传输的第二服务小区。
在步骤S92中,发送TCI状态激活指示信息。
其中,TCI状态激活指示信息用于激活第一服务小区和/或第二服务小区的TCI状态。
本公开实施例中,TCI状态激活指示信息可以是一个激活指示信息,用于同时激活CC list中的一个或多个服务小区,也可以是多个不同的激活指示信息,分别用于激活CC list中不同的一个或多个服务小区。
其中,一种实施方式中,TCI状态激活指示信息可以承载在MAC CE信令中。
本公开实施例中,同一CC list对应的至少一个服务小区中多个服务小区为第一服务小区;或者,同一CC list对应的至少一个服务小区中多个服务小区为第二服务小区。
本公开实施例中,第二服务小区包括基于S-DCI指示的第二服务小区(S-DCI M-TRP),和/或,基于M-DCI指示的第二服务小区(M-DCI M-TRP)。
其中,S-DCI M-TRP可以采用以下方式确定:
当PDCCH、PDSCH、PUCCH、PUSCH及其各自对应的DMRS被配置为基于多个TCI状态传输时,可以确定对应的服务小区为基于S-DCI M-TRP。
其中,当满足以下条件A、B和C中的至少一项时,可以确定PDCCH/PDSCH/PUCCH/PUSCH及其各自的DMRS被配置为基于多个TCI状态传输:
A:单频网络(Single Frequency Network,SFN)传输方法,基于同样的时域资源,频域资源和DMRS资源,使用多个TCI state进行传输
B:重复传输,包括频分复用(Frequency Division Multiplexing,FDM)方法,同样的时域资源,不同的频域资源,不同的TCI state进行传输。或者包括时分复用(Time Division Multiplexing,TDM)方法,同样的频域资源,不同的时域资源,不同的TCI state进行传输
C:基于多个DMRS端口组的传输,同样的时域资源和频域资源,不同的DMRS端口组,不同的TCI state进行传输。
其中,M-DCI M-TRP可以采用以下方式确定:
当终端的多个CORESET中,至少有一个CORESET的CORESETPoolIndex被配置为1,而至少有另一个CORESET的CORESETPoolIndex被配置为0或者没有被配置为任何值时,可以确定该终端对应的服务小区为基于多下行控制信息指示的第二服务小区M-DCI M-TRP。
可以理解的是,当服务小区不满足S-DCI M-TRP和M-DCI M-TRP的判定条件时,该服务小区即为基于S-TRP传输的第一服务小区。
本公开实施例中,同一CC list对应的至少一个服务小区中包括至少一个第一服务小区,以及至少一个第二服务小区。
本公开实施例中,第二服务小区为基于单下行控制信息指示的第二服务小区。
本公开实施例中,同一CC list对应的至少一个服务小区中可以包括至少一个第一服务小区,以及至少一个第二服务小区。进一步地,第二服务小区可以为S-DCI M-TRP的第二服务小区。此时,终端接收的TCI状态激活指示信息可用于激活一个或多个码点分别对应的unified TCI state,且该一个或多个码点中存在至少一个码点对应多套激活的unified TCI state。这种情况下,TCI状态的激活指示信息可以基于S-DCI M-TRP服务小区的TCI状态激活指示信息来指示,即S-DCI M-TRP服务小区的TCI状态可以直接根据接收到的TCI状态激活指示信息进行激活,其中一个码点可以对应多套unified TCI state。可以理解的是,每套unified TCI state对应一个TRP。然而,此时第一服务小区S-TRP使用该码点中的哪套激活的unified TCI state,需要进一步约定。
本公开实施例中,TCI状态激活指示信息激活一个或多个码点分别对应的unified TCI state,一个或多个码点中存在至少一个码点对应多套激活的unified TCI state;第一服务小 区的unified TCI state基于如下方式确定:根据第一默认规则确定第一服务小区的unified TCI state;或者,通过第一指示信息确定第一服务小区的unified TCI state。
本公开实施例中,根据第一默认规则确定第一服务小区的unified TCI state,包括:将对应多套unified TCI state的第一码点所对应的指定unified TCI state,确定为第一服务小区的第一码点对应的unified TCI state;和/或,将对应一套unified TCI state的第二码点所对应的unified TCI state,确定为第一服务小区的第二码点对应的unified TCI state。
一示例中,若TCI状态激活指示信息激活的第一码点codepoint#0对应了两个unified TCI state,分别是unified TCI state#1和unified TCI state#2,其中unified TCI state#1位于该codepoint#0对应的第一个unified TCI state的比特位置,unified TCI state#2位于该codepoint#0对应的第二个unified TCI state的比特位置。则,第一默认规则可以是,使用该codepoint#0对应的第一个unified TCI state,即unified TCI state#1,或者使用codepoint#0对应的第二个unified TCI state,即unified TCI state#2作为第一服务小区的第一码点对应的unified TCI state。
另一示例中,若TCI状态激活指示信息激活的第二码点codepoint#1对应一个unified TCI state为unified TCI state#3,则直接使用该unified TCI state#3作为第一服务小区的第二码点对应的unified TCI state。
本公开实施例中,通过第一指示信息确定第一服务小区的unified TCI state,包括:通过第一指示信息指示TCI状态激活指示信息激活的码点对应的第X个unified TCI state,为第一服务小区的unified TCI state,X为正整数;或者,通过第一指示信息分别指示TCI状态激活指示信息激活的各个码点分别对应的第Y个unified TCI state,为基于第一服务小区的unified TCI state,Y为正整数,针对不同的码点,Y的取值可以相同,或者不同。
一示例中,可以通过第一指示信息指示TCI状态激活指示信息激活的所有码点,均采用该码点的第X个unified TCI state作为第一服务小区的相应码点对应的unified TCI state。一示例中,TCI状态激活指示信息激活的第一码点codepoint#0对应了两个unified TCI state,分别是unified TCI state#01和unified TCI state#02,其中unified TCI state#01位于该codepoint#0对应的第一个unified TCI state的比特位置,unified TCI state#02位于该codepoint#0对应的第二个unified TCI state的比特位置。TCI状态激活指示信息激活的第一码点codepoint#1对应了两个unified TCI state,分别是unified TCI state#11和unified TCI state#12,其中unified TCI state#11位于该codepoint#1对应的第一个unified TCI state的比特位置,unified TCI state#12位于该codepoint#1对应的第二个unified TCI state的比特位置。TCI状态激活指示信息激活的第一码点codepoint#2对应了两个unified TCI state,分别是 unified TCI state#21和unified TCI state#22,其中unified TCI state#21位于该codepoint#2对应的第一个unified TCI state的比特位置,unified TCI state#22位于该codepoint#2对应的第二个unified TCI state的比特位置……那么第一指示信息可以指示TCI状态激活指示信息激活的所有码点,均采用该码点的第X个unified TCI state作为第一服务小区的相应码点对应的unified TCI state。比如,X=1,则第一服务小区的codepoint#0,codepoint#1,codepoint#2……对应的都是该码点的第一个unified TCI state,即codepoint#0对应unified TCI state#01,codepoint#1对应unified TCI state#11,codepoint#2对应unified TCI state#21……。又比如,X=2,则第一服务小区的codepoint#0,codepoint#1,codepoint#2……对应的都是该码点的第二个unified TCI state,即codepoint#0对应unified TCI state#02,codepoint#1对应unified TCI state#12,codepoint#2对应unified TCI state#22……。
另一示例中,还可以通过第一指示信息指示TCI状态激活指示信息激活的各个码点,分别采用各码点中的第Y个unified TCI state作为第一服务小区的相应码点对应的unified TCI state,其中,X和Y为正整数,针对不同的码点,Y的取值可以相同,或者不同。若TCI状态激活指示信息激活的第一码点codepoint#0对应了两个unified TCI state,分别是unified TCI state#01和unified TCI state#02,其中unified TCI state#01位于该codepoint#0对应的第一个unified TCI state的比特位置,unified TCI state#02位于该codepoint#0对应的第二个unified TCI state的比特位置;TCI状态激活指示信息激活的第一码点codepoint#1对应了两个unified TCI state,分别是unified TCI state#11和unified TCI state#12,其中unified TCI state#11位于该codepoint#1对应的第一个unified TCI state的比特位置,unified TCI state#12位于该codepoint#1对应的第二个unified TCI state的比特位置;TCI状态激活指示信息激活的第一码点codepoint#2对应了两个unified TCI state,分别是unified TCI state#21和unified TCI state#22,其中unified TCI state#21位于该codepoint#2对应的第一个unified TCI state的比特位置,unified TCI state#22位于该codepoint#2对应的第二个unified TCI state的比特位置……那么第一指示信息可以指示TCI状态激活指示信息激活的所有码点,分别采用各码点中的第Y个unified TCI state作为第一服务小区的相应码点对应的unified TCI state。比如,码点codepoint#0的Y=1,codepoint#1和codepoint#2的Y=2……,则第一服务小区的codepoint#0对应的是该码点的第一个unified TCI state,即codepoint#0对应unified TCI state#01,第一服务小区的codepoint#1,codepoint#2……对应的都是该码点的第二个unified TCI state,即codepoint#1对应unified TCI state#12,codepoint#2对应unified TCI state#22……。又比如,码点codepoint#1的Y=2,码点codepoint#0和码点codepoint#2的Y=1,第一服务小区的codepoint#1对应的都是该码点的第二个unified TCI state,即 codepoint#1对应unified TCI state#12,第一服务小区的codepoint#0和codepoint#2对应的是该码点的第一个unified TCI state,即codepoint#0对应unified TCI state#01,codepoint#2对应unified TCI state#21。
本公开实施例中,第二服务小区可以为基于多下行控制信息指示的第二服务小区。此时,终端接收的TCI状态激活指示信息可用于激活一个或多个CORESETPoolIndex分别对应的unified TCI state。这种情况下,TCI状态的激活指示信息同样可以基于M-DCI M-TRP服务小区的TCI状态的激活指示信息来进行指示,即M-DCI M-TRP服务小区的TCI状态可以直接根据接收到的TCI状态激活指示信息进行激活,其中一个CORESETPoolIndex可以对应激活一个或多个码点对应的unified TCI state,每个码点对应一套unified TCI state。比如可以理解为,一个CORESETPoolIndex对应一个TRP。然而,此时第一服务小区S-TRP使用哪个CORESETPoolIndex对应的激活TCI状态,需要进一步约定。需要说明的是,不同的CORESETPoolIndex可以通过同一个TCI状态激活指示信息进行激活,也可以通过不同的TCI状态激活指示信息进行激活。进一步,TCI状态激活指示信息可以包含一个或多个CORESETPoolIndex。
本公开实施例中,TCI状态激活指示信息激活一个或多个CORESETPoolIndex分别对应的unified TCI state;第一服务小区的unified TCI state基于如下方式确定:根据第二默认规则,确定第一服务小区的unified TCI state;或者,通过第二指示信息,确定第一服务小区的unified TCI state。
本公开实施例中,根据第二默认规则,确定第一服务小区的unified TCI state,包括:确定多个CORESETPoolIndex中的第Q个CORESETPoolIndex对应的unified TCI state为第一服务小区的unified TCI state,Q为正整数。
一示例中,若TCI状态激活指示信息分别激活两个CORESETPoolIndex对应的unified TCI state,例如通过第一TCI状态激活指示信息激活CORESETPoolIndex#0对应的unified TCI state,通过第二TCI状态激活指示信息激活CORESETPoolIndex#1对应的unified TCI state,第二默认规则可以是,使用该CORESETPoolIndex#0对应的unified TCI state作为第一服务小区对应的unified TCI state,或者使用该CORESETPoolIndex#1对应的unified TCI state作为第一服务小区对应的unified TCI state。
本公开实施例中,通过第二指示信息,确定第一服务小区的unified TCI state,包括:通过第二指示信息指示多个CORESETPoolIndex中的第P个CORESETPoolIndex对应的unified TCI state为第一服务小区的unified TCI state,P为正整数。
一示例中,可以通过第二指示信息指示TCI状态激活指示信息激活的 CORESETPoolIndex#0或者CORESETPoolIndex#1为第一服务小区的unified TCI state,其中,P为正整数。
本公开实施例中,第一指示信息和/或第二指示信息承载在无线资源控制信令和/或媒体接入控制控制单元信令中。
本公开实施例中,TCI状态激活指示信息和第一指示信息承载在同一媒体接入控制控制单元信令中,和/或TCI状态激活指示信息和第二指示信息承载在同一媒体接入控制控制单元信令中。
本公开实施例中,unified TCI state中的一套unified TCI state包括联合传输配置指示状态,或unified TCI state中的一套unified TCI state包括上行传输配置指示状态和下行传输配置指示状态中的至少一项。
采用本公开实施例的技术方案,通过确定了配置在一个CC list中的基于S-TRP传输的服务小区和基于M-TRP传输的服务小区的TCI状态的激活方法,在减少信令开销的同时,可以使得终端在unified TCI state标识的认知上达成一致,提高了基于unified TCI state的传输能力。
可以理解的是,本公开实施例中网络设备进行传输配置指示状态的确定的过程中涉及的技术实现,可以适用于本公开实施例终端进行传输配置指示状态的确定方法的过程,故对于网络设备进行传输配置指示状态的确定的过程一些技术实现描述不够详尽的地方可以参阅终端进行传输配置指示状态的确定的实施过程中的相关描述,在此不再赘述。
可以理解的是,本公开实施例提供的传输配置指示状态的确定方法适用于终端和网络设备交互过程实现传输配置指示状态的确定的过程。其中,对于终端和网络设备之间进行交互实现传输配置指示状态的过程,本公开实施例不再详述。
需要说明的是,本领域内技术人员可以理解,本公开实施例上述涉及的各种实施方式/实施例中可以配合前述的实施例使用,也可以是独立使用。无论是单独使用还是配合前述的实施例一起使用,其实现原理类似。本公开实施中,部分实施例中是以一起使用的实施方式进行说明的。当然,本领域内技术人员可以理解,这样的举例说明并非对本公开实施例的限定。
基于相同的构思,本公开实施例还提供一种传输配置指示状态的确定装置。
可以理解的是,本公开实施例提供的传输配置指示状态的确定装置为了实现上述功能,其包含了执行各个功能相应的硬件结构和/或软件模块。结合本公开实施例中所公开的各示例的单元及算法步骤,本公开实施例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。本领域技术人员可以对每个特定的应用来使用不同的方法来实现所描述的功能,但是这种实现不应认为超出本公开实施例的技术方案的范围。
图10是根据一示例性实施例示出的一种传输配置指示状态的确定装置的结构框图,如图10所示,该装置1000包括:
接收单元1001,被配置为接收配置信息,配置信息用于确定CC list,CC list对应有至少一个服务小区。
其中,至少一个服务小区中包括基于S-TRP传输的第一服务小区,和/或基于M-TRP传输的第二服务小区;
该接收单元还被配置为,接收TCI状态激活指示信息,TCI状态激活指示信息用于激活第一服务小区和/或第二服务小区的TCI状态。
本公开实施例中,同一CC list对应的至少一个服务小区中多个服务小区为第一服务小区;或者,同一CC list对应的至少一个服务小区中多个服务小区为第二服务小区。
本公开实施例中,第二服务小区包括基于单下行控制信息指示的第二服务小区,和/或,基于多下行控制信息指示的第二服务小区。
本公开实施例中,同一CC list对应的至少一个服务小区中包括至少一个第一服务小区,以及至少一个第二服务小区。
本公开实施例中,第二服务小区为基于单下行控制信息指示的第二服务小区。
本公开实施例中,TCI状态激活指示信息激活一个或多个码点分别对应的unified TCI state,一个或多个码点中存在至少一个码点对应多套激活的unified TCI state;第一服务小区的unified TCI state基于如下方式确定:根据第一默认规则确定第一服务小区的unified TCI state;或者,通过第一指示信息确定第一服务小区的unified TCI state。
本公开实施例中,根据第一默认规则确定第一服务小区的unified TCI state,包括:将对应多套unified TCI state的第一码点所对应的指定unified TCI state,确定为第一服务小区的第一码点对应的unified TCI state;和/或,将对应一套unified TCI state的第二码点所对应的unified TCI state,确定为第一服务小区的第二码点对应的unified TCI state。
本公开实施例中,通过第一指示信息确定第一服务小区的unified TCI state,包括:通过第一指示信息指示TCI状态激活指示信息激活的码点对应的第X个unified TCI state,为第一服务小区的unified TCI state,X为正整数;或者,通过第一指示信息分别指示TCI状态激活指示信息激活的各个码点分别对应的第Y个unified TCI state,为基于第一服务小区的unified TCI state,Y为正整数。
本公开实施例中,第二服务小区为基于多下行控制信息指示的第二服务小区。
本公开实施例中,TCI状态激活指示信息激活一个或多个CORESETPoolIndex分别对应的unified TCI state;第一服务小区的unified TCI state基于如下方式确定:根据第二默认规则,确定第一服务小区的unified TCI state;或者,通过第二指示信息,确定第一服务小区的unified TCI state。
本公开实施例中,根据第二默认规则,确定第一服务小区的unified TCI state,包括:确定多个CORESETPoolIndex中的第Q个CORESETPoolIndex对应的unified TCI state为第一服务小区的unified TCI state,Q为正整数。
本公开实施例中,通过第二指示信息,确定第一服务小区的unified TCI state,包括:通过第二指示信息指示多个CORESETPoolIndex中的第P个CORESETPoolIndex对应的unified TCI state为第一服务小区的unified TCI state,P为正整数。
本公开实施例中,第一指示信息和/或第二指示信息承载在无线资源控制信令和/或媒体接入控制控制单元信令中。
本公开实施例中,TCI状态激活指示信息和第一指示信息承载在同一媒体接入控制控制单元信令中,和/或TCI状态激活指示信息和第二指示信息承载在同一媒体接入控制控制单元信令中。
本公开实施例中,unified TCI state中的一套unified TCI state包括联合传输配置指示状态,上行传输配置指示状态和下行传输配置指示状态中的至少一项。
采用本公开实施例的技术方案,通过确定了配置在一个CC list中的基于S-TRP传输的服务小区和基于M-TRP传输的服务小区的TCI状态的激活方法,在减少信令开销的同时,可以使得终端在unified TCI state标识的认知上达成一致,提高了基于unified TCI state的传输能力。
图11是根据一示例性实施例示出的一种传输配置指示状态的确定装置的结构框图,如图11所示,该装置1100包括:
发送单元1101,被配置为发送配置信息,配置信息用于确定CC list,CC list对应有至少一个服务小区。
其中,至少一个服务小区中包括基于S-TRP传输的第一服务小区,和/或基于M-TRP传输的第二服务小区;
该发送单元还被配置为,发送TCI状态激活指示信息,TCI状态激活指示信息用于激活第一服务小区和/或第二服务小区的TCI状态。
本公开实施例中,同一CC list对应的至少一个服务小区中多个服务小区为第一服务小 区;或者,同一CC list对应的至少一个服务小区中多个服务小区为第二服务小区。
本公开实施例中,第二服务小区包括基于单下行控制信息指示的第二服务小区,和/或,基于多下行控制信息指示的第二服务小区。
本公开实施例中,同一CC list对应的至少一个服务小区中包括至少一个第一服务小区,以及至少一个第二服务小区。
本公开实施例中,第二服务小区为基于单下行控制信息指示的第二服务小区。
本公开实施例中,TCI状态激活指示信息激活一个或多个码点分别对应的unified TCI state,一个或多个码点中存在至少一个码点对应多套激活的unified TCI state;第一服务小区的unified TCI state基于如下方式确定:根据第一默认规则确定第一服务小区的unified TCI state;或者,通过第一指示信息确定第一服务小区的unified TCI state。
本公开实施例中,根据第一默认规则确定第一服务小区的unified TCI state,包括:将对应多套unified TCI state的第一码点所对应的指定unified TCI state,确定为第一服务小区的第一码点对应的unified TCI state;和/或,将对应一套unified TCI state的第二码点所对应的unified TCI state,确定为第一服务小区的第二码点对应的unified TCI state。
本公开实施例中,通过第一指示信息确定第一服务小区的unified TCI state,包括:通过第一指示信息指示TCI状态激活指示信息激活的码点对应的第X个unified TCI state,为第一服务小区的unified TCI state,X为正整数;或者,通过第一指示信息分别指示TCI状态激活指示信息激活的各个码点分别对应的第Y个unified TCI state,为基于第一服务小区的unified TCI state,Y为正整数。
本公开实施例中,第二服务小区为基于多下行控制信息指示的第二服务小区。
本公开实施例中,TCI状态激活指示信息激活一个或多个CORESETPoolIndex分别对应的unified TCI state;第一服务小区的unified TCI state基于如下方式确定:根据第二默认规则,确定第一服务小区的unified TCI state;或者,通过第二指示信息,确定第一服务小区的unified TCI state。
本公开实施例中,根据第二默认规则,确定第一服务小区的unified TCI state,包括:确定多个CORESETPoolIndex中的第Q个CORESETPoolIndex对应的unified TCI state为第一服务小区的unified TCI state,Q为正整数。
本公开实施例中,通过第二指示信息,确定第一服务小区的unified TCI state,包括:通过第二指示信息指示多个CORESETPoolIndex中的第P个CORESETPoolIndex对应的unified TCI state为第一服务小区的unified TCI state,P为正整数。
本公开实施例中,第一指示信息和/或第二指示信息承载在无线资源控制信令和/或媒 体接入控制控制单元信令中。
本公开实施例中,TCI状态激活指示信息和第一指示信息承载在同一媒体接入控制控制单元信令中,和/或TCI状态激活指示信息和第二指示信息承载在同一媒体接入控制控制单元信令中。
本公开实施例中,unified TCI state中的一套unified TCI state包括联合传输配置指示状态,上行传输配置指示状态和下行传输配置指示状态中的至少一项。
采用本公开实施例的技术方案,通过确定了配置在一个CC list中的基于S-TRP传输的服务小区和基于M-TRP传输的服务小区的TCI状态的激活方法,在减少信令开销的同时,可以使得终端在unified TCI state标识的认知上达成一致,提高了基于unified TCI state的传输能力。
图12是根据一示例性实施例示出的一种用于传输配置指示状态的确定的装置1200的框图。例如,装置1200可以是移动电话,计算机,数字广播终端,消息收发设备,游戏控制台,平板设备,医疗设备,健身设备,个人数字助理等。
参照图12,装置1200可以包括以下一个或多个组件:处理组件1202,存储器1204,电力组件1206,多媒体组件1208,音频组件1210,输入/输出(I/O)接口1212,传感器组件1214,以及通信组件1216。
处理组件1202通常控制装置1200的整体操作,诸如与显示,电话呼叫,数据通信,相机操作和记录操作相关联的操作。处理组件1202可以包括一个或多个处理器1220来执行指令,以完成上述的方法的全部或部分步骤。此外,处理组件1202可以包括一个或多个模块,便于处理组件1202和其他组件之间的交互。例如,处理组件1202可以包括多媒体模块,以方便多媒体组件1208和处理组件1202之间的交互。
存储器1204被配置为存储各种类型的数据以支持在装置1200的操作。这些数据的示例包括用于在装置1200上操作的任何应用程序或方法的指令,联系人数据,电话簿数据,消息,图片,视频等。存储器1204可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,如静态随机存取存储器(SRAM),电可擦除可编程只读存储器(EEPROM),可擦除可编程只读存储器(EPROM),可编程只读存储器(PROM),只读存储器(ROM),磁存储器,快闪存储器,磁盘或光盘。
电力组件1206为装置1200的各种组件提供电力。电力组件1206可以包括电源管理系统,一个或多个电源,及其他与为装置1200生成、管理和分配电力相关联的组件。
多媒体组件1208包括在所述装置1200和用户之间的提供一个输出接口的屏幕。在一些实施例中,屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面 板,屏幕可以被实现为触摸屏,以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界,而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中,多媒体组件1208包括一个前置摄像头和/或后置摄像头。当装置1200处于操作模式,如拍摄模式或视频模式时,前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1210被配置为输出和/或输入音频信号。例如,音频组件1210包括一个麦克风(MIC),当装置1200处于操作模式,如呼叫模式、记录模式和语音识别模式时,麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1204或经由通信组件1216发送。在一些实施例中,音频组件1210还包括一个扬声器,用于输出音频信号。
I/O接口1212为处理组件1202和外围接口模块之间提供接口,上述外围接口模块可以是键盘,点击轮,按钮等。这些按钮可包括但不限于:主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件1214包括一个或多个传感器,用于为装置1200提供各个方面的状态评估。例如,传感器组件1214可以检测到装置1200的打开/关闭状态,组件的相对定位,例如所述组件为装置1200的显示器和小键盘,传感器组件1214还可以检测装置1200或装置1200一个组件的位置改变,用户与装置1200接触的存在或不存在,装置1200方位或加速/减速和装置1200的温度变化。传感器组件1214可以包括接近传感器,被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1214还可以包括光传感器,如CMOS或CCD图像传感器,用于在成像应用中使用。在一些实施例中,该传感器组件1214还可以包括加速度传感器,陀螺仪传感器,磁传感器,压力传感器或温度传感器。
通信组件1216被配置为便于装置1200和其他设备之间有线或无线方式的通信。装置1200可以接入基于通信标准的无线网络,如WiFi,2G或3G,或它们的组合。在一个示例性实施例中,通信组件1216经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中,所述通信组件1216还包括近场通信(NFC)模块,以促进短程通信。例如,在NFC模块可基于射频识别(RFID)技术,红外数据协会(IrDA)技术,超宽带(UWB)技术,蓝牙(BT)技术和其他技术来实现。
在示例性实施例中,装置1200可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现,用于执行上述方法。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,例如包括指令的存储器1204,上述指令可由装置1200的处理器1220执行以完成上述方法。例如,所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图13是根据一示例性实施例示出的一种用于传输配置指示状态的确定的装置1300的框图。例如,装置1300可以被提供为一服务器。参照图13,装置1300包括处理组件1322,其进一步包括一个或多个处理器,以及由存储器1332所代表的存储器资源,用于存储可由处理组件1322的执行的指令,例如应用程序。存储器1332中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外,处理组件1322被配置为执行指令,以执行上述传输配置指示状态的确定方法。
装置1300还可以包括一个电源组件1326被配置为执行装置1300的电源管理,一个有线或无线网络接口1350被配置为将装置1300连接到网络,和一个输入输出(I/O)接口1358。装置1300可以操作基于存储在存储器1332的操作系统,例如Windows ServerTM,Mac OS XTM,UnixTM,LinuxTM,FreeBSDTM或类似。
在示例性实施例中,还提供了一种包括指令的非临时性计算机可读存储介质,例如包括指令的存储器1332,上述指令可由装置1300的处理组件1322执行以完成上述方法。例如,所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
进一步可以理解的是,本公开中“多个”是指两个或两个以上,其它量词与之类似。“和/或”,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。字符“/”一般表示前后关联对象是一种“或”的关系。单数形式的“一种”、“所述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。
进一步可以理解的是,术语“第一”、“第二”等用于描述各种信息,但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开,并不表示特定的顺序或者重要程度。实际上,“第一”、“第二”等表述完全可以互换使用。例如,在不脱离本公开范围的情况下,第一信息也可以被称为第二信息,类似地,第二信息也可以被称为第一信息。
进一步可以理解的是,本公开中涉及到的“响应于”“如果”等词语的含义取决于语境以及实际使用的场景,如在此所使用的词语“响应于”可以被解释成为“在……时”或“当……时”或“如果”或“若”。
进一步可以理解的是,本公开实施例中尽管在附图中以特定的顺序描述操作,但是不应将其理解为要求按照所示的特定顺序或是串行顺序来执行这些操作,或是要求执行全部所示的操作以得到期望的结果。在特定环境中,多任务和并行处理可能是有利的。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。
应当理解的是,本公开并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本公开的范围仅由所附的权利范围来限制。
Claims (36)
- 一种传输配置指示状态的确定方法,其特征在于,应用于终端,包括:接收配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少一个服务小区;所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;接收传输配置指示TCI状态激活指示信息,所述TCI状态激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。
- 根据权利要求1所述的方法,其特征在于,同一成员载波列表对应的所述至少一个服务小区中多个服务小区为第一服务小区;或者同一成员载波列表对应的所述至少一个服务小区中多个服务小区为第二服务小区。
- 根据权利要求2所述的方法,其特征在于,所述第二服务小区包括基于单下行控制信息指示的第二服务小区,和/或,基于多下行控制信息指示的第二服务小区。
- 根据权利要求1所述的方法,其特征在于,同一成员载波列表对应的所述至少一个服务小区中包括至少一个第一服务小区,以及至少一个第二服务小区。
- 根据权利要求4所述的方法,特征在于,所述第二服务小区为基于单下行控制信息指示的第二服务小区。
- 根据权利要求5所述的方法,其特征在于,所述TCI状态激活指示信息激活一个或多个码点分别对应的统一传输配置指示状态,所述一个或多个码点中存在至少一个码点对应多套激活的统一传输配置指示状态;所述第一服务小区的统一传输配置指示状态基于如下方式确定:根据第一默认规则确定所述第一服务小区的统一传输配置指示状态;或者通过第一指示信息确定所述第一服务小区的统一传输配置指示状态。
- 根据权利要求6所述的方法,其特征在于,所述根据第一默认规则确定所述第一服务小区的统一传输配置指示状态,包括:将对应所述多套激活的统一传输配置指示状态的第一码点所对应的指定统一传输配置指示状态,确定为所述第一服务小区的第一码点对应的统一传输配置指示状态;和/或将对应一套统一传输配置指示状态的第二码点所对应的统一传输配置指示状态,确定为所述第一服务小区的第二码点对应的统一传输配置指示状态。
- 根据权利要求6所述的方法,其特征在于,所述通过第一指示信息确定所述第一服 务小区的统一传输配置指示状态,包括:通过第一指示信息指示所述TCI状态激活指示信息激活的码点对应的第X个统一传输配置指示状态,为所述第一服务小区的统一传输配置指示状态,所述X为正整数;或者通过第一指示信息分别指示所述TCI状态激活指示信息激活的各个码点分别对应的第Y个统一传输配置指示状态,为所述第一服务小区的统一传输配置指示状态,所述Y为正整数。
- 根据权利要求4所述的方法,其特征在于,所述第二服务小区为基于多下行控制信息指示的第二服务小区。
- 根据权利要求9所述的方法,其特征在于,所述TCI状态激活指示信息激活一个或多个控制资源集池索引分别对应的统一传输配置指示状态;所述第一服务小区的统一传输配置指示状态基于如下方式确定:根据第二默认规则,确定所述第一服务小区的统一传输配置指示状态;或者通过第二指示信息,确定所述第一服务小区的统一传输配置指示状态。
- 根据权利要求10所述的方法,其特征在于,所述根据第二默认规则,确定所述第一服务小区的统一传输配置指示状态,包括:确定所述多个控制资源集池索引中的第Q个控制资源集池索引对应的统一传输配置指示状态为所述第一服务小区的统一传输配置指示状态,Q为正整数。
- 根据权利要求10所述的方法,其特征在于,所述通过第二指示信息,确定所述第一服务小区的统一传输配置指示状态,包括:通过第二指示信息指示所述多个控制资源集池索引中的第P个控制资源集池索引对应的统一传输配置指示状态为所述第一服务小区的统一传输配置指示状态,P为正整数。
- 根据权利要求6或10所述的方法,其特征在于,第一指示信息和/或第二指示信息承载在无线资源控制信令和/或媒体接入控制控制单元信令中。
- 根据权利要求13所述的方法,其特征在于,所述TCI状态激活指示信息和所述第一指示信息承载在同一媒体接入控制控制单元信令中,和/或所述TCI状态激活指示信息和所述第二指示信息承载在同一媒体接入控制控制单元信令中。
- 根据权利要求6所述的方法,其特征在于,所述统一传输配置指示状态中的一套统一传输配置指示状态包括联合传输配置指示状态,上行传输配置指示状态和下行传输配置指示状态中的至少一项。
- 一种传输配置指示状态的确定方法,其特征在于,应用于网络设备,包括:发送配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少 一个服务小区;所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;发送传输配置指示TCI状态激活指示信息,所述TCI状态激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。
- 根据权利要求16所述的方法,其特征在于,同一成员载波列表对应的所述至少一个服务小区中多个服务小区为第一服务小区;或者同一成员载波列表对应的所述至少一个服务小区中多个服务小区为第二服务小区。
- 根据权利要求17所述的方法,其特征在于,所述第二服务小区包括基于单下行控制信息指示的第二服务小区,和/或,基于多下行控制信息指示的第二服务小区。
- 根据权利要求16所述的方法,其特征在于,同一成员载波列表对应的所述至少一个服务小区中包括至少一个第一服务小区,以及至少一个第二服务小区。
- 根据权利要求19所述的方法,其特征在于,所述第二服务小区为基于单下行控制信息指示的第二服务小区。
- 根据权利要求20所述的方法,其特征在于,所述TCI状态激活指示信息激活一个或多个码点分别对应的统一传输配置指示状态,所述一个或多个码点中存在至少一个码点对应多套激活的统一传输配置指示状态;所述第一服务小区的统一传输配置指示状态基于如下方式确定:根据第一默认规则确定所述第一服务小区的统一传输配置指示状态;或者通过第一指示信息确定所述第一服务小区的统一传输配置指示状态。
- 根据权利要求21所述的方法,其特征在于,所述根据第一默认规则确定所述第一服务小区的统一传输配置指示状态,包括:将对应所述多套激活的统一传输配置指示状态的第一码点所对应的指定统一传输配置指示状态,确定为所述第一服务小区的第一码点对应的统一传输配置指示状态;和/或将对应一套统一传输配置指示状态的第二码点所对应的统一传输配置指示状态,确定为所述第一服务小区的第二码点对应的统一传输配置指示状态。
- 根据权利要求21所述的方法,其特征在于,所述通过第一指示信息确定所述第一服务小区的统一传输配置指示状态,包括:通过第一指示信息指示所述TCI状态激活指示信息激活的码点对应的第X个统一传输配置指示状态,为所述第一服务小区的统一传输配置指示状态,所述X为正整数;或者通过第一指示信息分别指示所述TCI状态激活指示信息激活的各个码点分别对应的第 Y个统一传输配置指示状态,为所述基于第一服务小区的统一传输配置指示状态,所述Y为正整数。
- 根据权利要求19所述的方法,其特征在于,所述第二服务小区为基于多下行控制信息指示的第二服务小区。
- 根据权利要求24所述的方法,其特征在于,所述TCI状态激活指示信息激活一个或多个控制资源集池索引分别对应的统一传输配置指示状态;所述第一服务小区的统一传输配置指示状态基于如下方式确定:根据第二默认规则,确定所述第一服务小区的统一传输配置指示状态;或者通过第二指示信息,确定所述第一服务小区的统一传输配置指示状态。
- 根据权利要求25所述的方法,其特征在于,所述根据第二默认规则,确定所述第一服务小区的统一传输配置指示状态,包括:确定所述多个控制资源集池索引中的第Q个控制资源集池索引对应的统一传输配置指示状态为所述第一服务小区的统一传输配置指示状态,Q为正整数。
- 根据权利要求25所述的方法,其特征在于,所述通过第二指示信息,确定所述第一服务小区的统一传输配置指示状态,包括:通过第二指示信息指示所述多个控制资源集池索引中的第P个控制资源集池索引对应的统一传输配置指示状态为所述第一服务小区的统一传输配置指示状态,P为正整数。
- 根据权利要求21或25所述的方法,其特征在于,第一指示信息和/或第二指示信息承载在无线资源控制信令和/或媒体接入控制控制单元信令中。
- 根据权利要求28所述的方法,其特征在于,所述TCI状态激活指示信息和所述第一指示信息承载在同一媒体接入控制控制单元信令中,和/或所述TCI状态激活指示信息和所述第二指示信息承载在同一媒体接入控制控制单元信令中。
- 根据权利要求21所述的方法,其特征在于,所述统一传输配置指示状态中的一套统一传输配置指示状态包括联合传输配置指示状态,上行传输配置指示状态和下行传输配置指示状态中的至少一项。
- 一种传输配置指示状态的确定装置,其特征在于,包括:接收单元,被配置为接收配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少一个服务小区;所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;所述接收单元还被配置为,接收传输配置指示TCI状态激活指示信息,所述TCI状态 激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。
- 一种传输配置指示状态的确定装置,其特征在于,包括:发送单元,被配置为发送配置信息,所述配置信息用于确定成员载波列表,所述成员载波列表对应有至少一个服务小区;所述至少一个服务小区中包括基于单发送接收点传输的第一服务小区,和/或基于多发送接收点传输的第二服务小区;所述发送单元还被配置为,发送传输配置指示TCI状态激活指示信息,所述TCI状态激活指示信息用于激活所述第一服务小区和/或所述第二服务小区的TCI状态。
- 一种传输配置指示状态的确定装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为执行如权利要求1-15中任一项所述的方法。
- 一种传输配置指示状态的确定装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为执行如权利要求16-30中任一项所述的方法。
- 一种存储介质,其特征在于,所述存储介质中存储有指令,当所述存储介质中的指令由终端的处理器执行时,使得终端能够执行权利要求1至15中任一项所述的方法。
- 一种存储介质,其特征在于,所述存储介质中存储有指令,当所述存储介质中的指令由网络设备的处理器执行时,使得网络设备能够执行权利要求16至30中任一项所述的方法。
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