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WO2022213921A1 - Procédé de mesure de faisceaux dans un scénario de réseau non terrestre, procédé de configuration de faisceaux dans un scénario de réseau non terrestre, et dispositif associé - Google Patents

Procédé de mesure de faisceaux dans un scénario de réseau non terrestre, procédé de configuration de faisceaux dans un scénario de réseau non terrestre, et dispositif associé Download PDF

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Publication number
WO2022213921A1
WO2022213921A1 PCT/CN2022/085036 CN2022085036W WO2022213921A1 WO 2022213921 A1 WO2022213921 A1 WO 2022213921A1 CN 2022085036 W CN2022085036 W CN 2022085036W WO 2022213921 A1 WO2022213921 A1 WO 2022213921A1
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WO
WIPO (PCT)
Prior art keywords
measurement
configuration information
terminal
information
network
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Application number
PCT/CN2022/085036
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English (en)
Chinese (zh)
Inventor
贺子健
王勇
孙伟
王振
Original Assignee
维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2022213921A1 publication Critical patent/WO2022213921A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/06—Airborne or Satellite Networks

Definitions

  • the present application belongs to the field of communication technologies, and in particular, relates to a beam measurement method, a configuration method and related equipment in an NTN scenario.
  • NTN Non-terrestrial Network
  • BWP Bandwidth Part
  • the embodiments of the present application provide a beam measurement method, a configuration method, and related equipment in an NTN scenario, which can solve the problem of poor transmission reliability due to narrow beam measurement ranges in an NTN scenario.
  • a beam measurement method in a non-terrestrial network NTN scenario including:
  • the terminal obtains the first signaling sent by the network side device
  • the terminal determines, according to the first signaling, first configuration information corresponding to each beam in the first measurement beam set; and,
  • the terminal performs beam measurement according to the first configuration information
  • the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • a second aspect provides a beam measurement configuration method in a non-terrestrial network NTN scenario, including:
  • the network side device sends first signaling, where the first signaling is used to trigger the terminal to determine first configuration information corresponding to each beam in the first measurement beam set, where the first configuration information includes at least one of the following: frequency band Configuration information and antenna polarization direction.
  • a beam measurement device in a non-terrestrial network NTN scenario including:
  • a first receiving module configured to acquire the first signaling sent by the network side device
  • a first determining module configured to determine, according to the first signaling, first configuration information corresponding to each beam in the first measurement beam set
  • an execution module configured to perform beam measurement according to the first configuration information
  • the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • a beam measurement configuration device in an NTN scenario including:
  • a first sending module configured to send first signaling, where the first signaling is used to trigger the terminal to determine first configuration information corresponding to each beam in the first measurement beam set, the first configuration information includes at least the following: One item: Band configuration information and antenna polarization direction.
  • a terminal in a fifth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
  • a terminal including a processor and a communication interface, wherein,
  • the communication interface is used to obtain the first signaling sent by the network side device
  • the processor is configured to determine, according to the first signaling, first configuration information corresponding to each beam in the first measurement beam set; perform beam measurement according to the first configuration information; the first configuration information includes at least the following: One item: Band configuration information and antenna polarization direction.
  • a network side device in a seventh aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the second aspect when executed.
  • a network side device including a processor and a communication interface, wherein,
  • the communication interface is used to send the first signaling, and the first signaling is used to trigger the terminal to determine the first configuration information corresponding to each beam in the first measurement beam set, and the first configuration information includes at least one of the following: Item: Band configuration information and antenna polarization direction.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented, or the steps as described in the first aspect are implemented.
  • the steps of the method of the second aspect are implemented.
  • an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the first aspect The steps of the method, or the steps of implementing the method according to the second aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-transitory storage medium, and the computer program/program product is executed by at least one processor to implement the first The method of the aspect, or implementing the method of the second aspect.
  • a twelfth aspect provides a communication device configured to perform the steps of the method of the first aspect or the second aspect.
  • the terminal obtains the first signaling sent by the network-side device; the terminal determines, according to the first signaling, the first configuration information corresponding to each beam in the first measurement beam set; and, the terminal Beam measurement is performed according to the first configuration information; wherein the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • FIG. 1 is a structural diagram of a network system to which an embodiment of the present application can be applied;
  • Fig. 2 is a network schematic diagram of a typical scenario of a non-terrestrial network based on a transparent payload
  • Fig. 3 is a network schematic diagram of a typical scenario of a non-terrestrial network based on regeneration payload
  • FIG. 5 is one of schematic diagrams of beam coverage in a beam measurement method in an NTN scenario provided by an embodiment of the present application.
  • FIG. 6 is the second schematic diagram of beam coverage in a beam measurement method in an NTN scenario provided by an embodiment of the present application.
  • Fig. 7 is the third schematic diagram of beam coverage in the beam measurement method under a kind of NTN scene provided by the embodiment of the present application.
  • FIG. 8 is a fourth schematic diagram of beam coverage in a beam measurement method in an NTN scenario provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of beam measurement of a terminal in a beam measurement method in an NTN scenario provided by an embodiment of the present application.
  • FIG. 10 is a flowchart of a beam measurement configuration method in an NTN scenario provided by an embodiment of the present application.
  • FIG. 11 is a structural diagram of a beam measurement apparatus in an NTN scenario provided by an embodiment of the present application.
  • FIG. 12 is a structural diagram of a beam measurement configuration apparatus in an NTN scenario provided by an embodiment of the present application.
  • FIG. 13 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 14 is a structural diagram of a terminal provided by an embodiment of the present application.
  • FIG. 15 is a structural diagram of a network side device provided by an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • 6G 6th Generation
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc.
  • the network side device 12 may be a base station or a core network device, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic Service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Networks , WLAN) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station Not limited to specific technical terms, it should be noted that, in the embodiments of this application, only the base station in the NR system is used as an example, but the
  • Satellite communications have great advantages in coverage, reliability and flexibility. The advantages can make up for the inadequacies of terrestrial mobile communications.
  • Figure 2 it is a schematic diagram of two typical micro communication networks.
  • Figure 2 is a network schematic diagram of a non-terrestrial network typical scenario based on transparent payload
  • Figure 3 is a non-terrestrial network based on transparent payload.
  • Network diagram of a typical scenario of a terrestrial network Non-terrestrial network typical scenario based on regenerative payload).
  • the satellite does not change the received signal, but only amplifies and forwards the received signal; for the regenerative payload, the satellite has some or all of the functions of the base station. As shown in Figure 2 and Figure 3, the satellite will cover a certain area through several beams, and the beam coverage area is elliptical. Optionally, the satellite may also be referred to as a high-altitude platform.
  • Non-GEO non-geostationary orbit satellites
  • the relative positions of the satellites and the earth will change over time, resulting in changes in the coverage of the satellites.
  • two different modes are designed: cell coverage on the ground fixed (earth fixed cells) and cell coverage on the ground mobile (earth moving cells).
  • earth fixed cells as the satellite moves, we adjust the direction of the satellite's antenna so that the satellite's coverage area on the ground does not change.
  • earth moving cells the satellite's coverage area on the ground moves as the satellite moves.
  • TN Terrestrial Network
  • FIG. 4 is a flowchart of a beam measurement method in an NTN scenario provided by an embodiment of the present application. As shown in FIG. 4, the method includes the following steps:
  • Step 401 the terminal obtains the first signaling sent by the network side device
  • the network side device may directly or indirectly send the first signaling to the terminal.
  • the above-mentioned network-side device is a satellite with a base station function, and in this case, the network-side device can directly send the first signaling to the terminal through the NTN network.
  • the above-mentioned network side device is a base station, which can send the first signaling to the satellite, and then the satellite forwards the first signaling to the terminal through the NTN network.
  • the sending mode of the above-mentioned first signaling can be set according to actual needs.
  • the first signaling is carried by at least one of the following: Radio Resource Control (RRC, RRC) ), Media Access Control Control Element (Media Access Control Control Element, MAC CE) and Downlink Control Information (Downlink Control Information, DCI).
  • RRC Radio Resource Control
  • RRC Media Access Control Control Element
  • MAC CE Media Access Control Control Element
  • DCI Downlink Control Information
  • the first signaling may include multiple sub-signals, and different sub-signals carry different information contents, so that the RRC, MAC At least two of CE and DCI are carried.
  • the first signaling is carried by the above at least two items, it may also be understood that the first signaling is repeatedly transmitted by using RRC, MAC CE, and DCI.
  • Step 402 the terminal determines the first configuration information corresponding to each beam in the first measurement beam set according to the first signaling;
  • Step 403 the terminal performs beam measurement according to the first configuration information
  • the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • the above-mentioned first configuration information may be specified by a protocol or configured by a network side device, which is not further limited herein.
  • the terminal may first determine the first configuration information corresponding to each beam in the first measurement beam set, and based on the first configuration information, the terminal performs beam measurement.
  • the signaling determines the first configuration information corresponding to each beam, so that the measurement of adjacent beams can be implemented in the NTN scenario, the measurement range of the beams is improved, and then the optimal beam can be switched for transmission. Therefore, the embodiments of the present application improve the transmission performance in the NTN scenario, thereby improving the reliability of transmission.
  • the terminal obtains the first signaling sent by the network-side device; the terminal determines, according to the first signaling, the first configuration information corresponding to each beam in the first measurement beam set; and, according to the The first configuration information performs beam measurement; wherein the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • the frequency band configuration information of the beam includes at least one of the following: BWP configuration information of the bandwidth part where the beam is located and frequency domain resource information where the beam is located.
  • the BWP configuration information may include at least one of the following: frequency domain location, bandwidth, subcarrier space (SCS), cyclic prefix (Cyclic Prefix, CP) type, and BWP index (Index, ID).
  • the frequency domain resource information where the beams are located may include frequency bands and carrier components (Component Carrier, CC) and the like.
  • the above-mentioned antenna polarization directions may include linear polarization, left-hand polarization, right-hand polarization, and left-hand polarization plus right-hand polarization.
  • the BWP configuration information is determined based on a preset rule, and the preset rule includes at least one of the following:
  • At least part of the configuration parameters in the first BWP configuration information of a terminal are the same;
  • At least part of the configuration parameters in the second BWP configuration information of one beam are the same;
  • the second BWP configuration information of one beam is dedicated BWP configuration information
  • At least part of the configuration parameters in the third BWP configuration information of one cell are the same;
  • the third BWP configuration information of a cell is dedicated BWP configuration information.
  • the same part of the configuration parameters in the first BWP configuration information for a terminal can be understood as: for the multiple first BWP configuration information of a terminal, part of the configuration parameters in any two first BWP configuration information are the same .
  • the multiple pieces of first BWP configuration information may be understood as BWP configuration information corresponding to different time domains, and may also be understood as BWP configuration information corresponding to different BWPs.
  • the same part of the configuration parameters in the second BWP configuration information for one beam can be understood as: in the multiple second BWP configuration information for one beam, part of the configuration parameters in any two second BWP configuration information are the same.
  • the plurality of second BWP configuration information may be understood as BWP configuration information corresponding to different time domains, and may also be understood as BWP configuration information corresponding to different terminals or BWPs.
  • the same part of the configuration parameters in the third BWP configuration information for one cell can be understood as: in the multiple third BWP configuration information for one cell, part of the configuration parameters in any two third BWP configuration information are the same.
  • the plurality of third BWP configuration information may be understood as BWP configuration information corresponding to different time domains, and may also be understood as BWP configuration information corresponding to different beams, terminals or BWPs.
  • one dedicated BWP there is one dedicated BWP.
  • the above-mentioned partial configuration parameters may include at least one of the following: bandwidth, SCS, and BWP ID. It should be understood that, in this embodiment of the present application, the foregoing BWP configuration information may be dynamically configured BWP configuration information.
  • the first signaling carries target information
  • the target information includes at least one of the following:
  • the second configuration information is used to indicate a second measurement beam set, and the second measurement beam set includes the first measurement beam set;
  • a preset beam set for performing beam measurement and first configuration information corresponding to each beam may be pre-agreed in the protocol.
  • the terminal is triggered to perform beam measurement through the first signaling. At this time, the terminal can perform beam measurement on the first measurement beam set of the preset beam set. Of course, in other embodiments, some beams can also be selected in the preset beam set. Beam measurement is performed as the first measurement beam set to be measured.
  • the second measurement beam set for performing beam measurement may also be indicated by the second configuration information or the first configuration information.
  • the terminal may use the second measurement beam set as the to-be-measured
  • the first measurement beam set performs beam measurement, and a part of the beams in the second measurement beam set may also be selected as the first measurement beam set to be measured to perform beam measurement.
  • the terminal in the case that the first signaling carries a first object, and the second measurement beam is indicated by the first object, the terminal according to the first object
  • the signaling determines that in the first measurement beam set, the first configuration information corresponding to each beam includes any of the following:
  • the terminal determines part of the beams in the second measurement beam set as the first measurement beam set, and determines the first configuration information corresponding to each beam in the first measurement beam set;
  • the first object includes at least one of the first configuration information and the second configuration information.
  • the first measurement beam set when some beams are selected as the first measurement beam set based on the second measurement beam set, the first measurement beam set may be determined based on at least one of the following:
  • Ephemeris information of a satellite where the satellite is the network-side device or the satellite is used to forward the first signaling sent by the network-side device.
  • the second measurement beam set is determined based on at least one of the following:
  • Ephemeris information of a satellite where the satellite is the network-side device or the satellite is used to forward the first signaling sent by the network-side device.
  • the beam whose coverage area includes the terminal location and the beam whose coverage area edge is close to the terminal location may be determined as the second measurement beam set.
  • the second configuration information includes at least one of the following:
  • the mapping relationship between the beam index and the BWP may include at least one of the following: a one-to-one mapping relationship and a one-to-many mapping relationship.
  • one beam index corresponds to one BWP, or one beam index corresponds to multiple BWPs.
  • the mapping relationship between the beam index and the antenna polarization direction corresponding to the beam may include at least one of the following: a one-to-one mapping relationship and a one-to-many mapping relationship.
  • one beam index corresponds to one polarization direction, or one beam index corresponds to multiple polarization directions.
  • the beams in the second measurement beam set do not have measurement priorities, or the measurement priorities of the beams in the second measurement beam set are determined based on at least one of the following:
  • the measurement priorities of the beams in the second measurement beam set may be set in the order from front to back. Decrement or increment.
  • the method before the terminal acquires the first signaling sent by the network-side device, the method further includes:
  • the terminal sends first indication information to the network-side device, where the first indication information is used to indicate at least one of the following: the terminal needs to perform beam measurement; and requests the network-side device to send the first signaling.
  • the terminal can directly send the first indication information to the network side device; if the terminal and the network side device can communicate indirectly via satellite, the The first indication information is sent to the network side device, that is, the terminal sends the first indication information to the satellite, and the satellite forwards the first indication information to the network side device.
  • the terminal can trigger the terminal to send the first indication information when the beam measurement condition is satisfied, and the beam measurement condition can be specified by the protocol or configured by the network side device, which is not further limited here.
  • the method before the terminal acquires the first signaling sent by the network-side device, the method further includes:
  • auxiliary information where the auxiliary information is used to assist the network-side device to send the first signaling
  • the auxiliary information includes at least one of the following: location information of the terminal; moving speed and moving direction of the terminal; and polarization direction supported by the receiving antenna of the terminal.
  • the terminal can directly send auxiliary information to the network side device; if the terminal and the network side device can communicate indirectly through satellites, they can send the auxiliary information to the network indirectly through satellites.
  • the side device sends auxiliary information, that is, the terminal sends the auxiliary information to the satellite, and the satellite forwards the auxiliary information to the network side device.
  • the terminal reports the auxiliary information, so that the network-side device can better determine the second measurement beam set suitable for the terminal based on the reported auxiliary information.
  • the first configuration information further includes configuration information of an associated reference signal.
  • the above-mentioned reference signal may include a synchronization signal block (Synchronization Signal and PBCH block, SSB) and a channel state information reference signal (Channel State Information Reference Signal, CSI-RS) and the like.
  • a synchronization signal block Synchronization Signal and PBCH block, SSB
  • a channel state information reference signal Channel State Information Reference Signal, CSI-RS
  • the network-side device sends the first signaling to activate the terminal for beam measurement through some specific examples:
  • Embodiment 1 The network side device determines, according to the location information of the terminal, to configure the beam set to be measured for the terminal.
  • the network-side device configures the terminal through the first signaling to configure the beam set to be measured as ⁇ beam 1, beam 2, beam 3 ⁇ , and the corresponding BWP information is ⁇ BWP 1, BWP 2, BWP3 ⁇ .
  • beam 1 corresponds to BWP 1
  • beam 2 corresponds to BWP 2
  • beam 3 corresponds to BWP 3.
  • the terminal switches to the three BWPs in turn to complete the beam measurement, and feeds back the measurement results to the base station.
  • the network side equipment can obtain the transmission of each beam performance.
  • Embodiment 2 Different beams have different polarization information.
  • the network-side device configures the terminal through the first signaling to configure the beam set to be measured as ⁇ beam 1, beam 2 ⁇ , and the corresponding antenna polarization information is ⁇ right-handed polarization, Left hand polarization ⁇ , where beam 1 corresponds to right hand circular polarization (RHCP), and beam 2 corresponds to left hand circular polarization (LHCP).
  • RHCP right hand circular polarization
  • LHCP left hand circular polarization
  • the terminal completes the beam measurement by adjusting the polarization direction of the receiving antenna, and feeds back the measurement result to the base station. Through the feedback information of the terminal, the network transmission performance is improved.
  • different beams have different polarization information and different BWPs.
  • the network side device configures the terminal through the first signaling to configure the beam set to be measured as ⁇ beam 1, beam 2, beam 3 ⁇ , and the corresponding antenna polarization information is ⁇ right-handed polarization, left-handed polarization ⁇ , the corresponding BWP information is ⁇ BWP 1, BWP 2, BWP3 ⁇ .
  • beam 1 corresponds to right-handed polarization and BWP 1
  • beam 2 corresponds to left-handed polarization and BWP 2
  • beam 3 corresponds to left-handed polarization and BWP 3.
  • the above-mentioned BWP1, BWP2 and BWP3 are dynamically configured by the network side device.
  • different beams have different polarization information and different BWPs.
  • the network side device configures the terminal through the first signaling to configure the beam set to be measured as ⁇ beam 1, beam 2, beam 3 ⁇ , and the corresponding antenna polarization information is ⁇ right-handed polarization, left-handed polarization ⁇ , the corresponding BWP information is ⁇ BWP 1, BWP 2, BWP3 ⁇ .
  • beam 1 corresponds to right-handed polarization and BWP 1
  • beam 2 corresponds to left-handed polarization and BWP 2
  • beam 3 corresponds to left-handed polarization and BWP 3.
  • BWP 1 is the BWP dedicated to measurement in beam 1
  • BWP 2 is the BWP dedicated to measurement in beam 2
  • BWP 3 is the BWP dedicated to measurement in beam 3.
  • different beams have different polarization information and different reference signals.
  • the network side device configures the terminal through the first signaling to configure the beam set to be measured as ⁇ beam 1, beam 2, beam 3 ⁇ , and the corresponding antenna polarization information is ⁇ right-handed polarization, left-handed polarization ⁇ , the corresponding BWP information is BWP 1, and the corresponding reference signal is ⁇ reference signal 1, reference signal 2, reference signal 3 ⁇ .
  • beam 1 corresponds to right-hand polarization
  • beam 2 corresponds to left-hand polarization
  • beam 3 corresponds to left-hand polarization
  • BWP 1 and reference signal 3 corresponds to left-hand polarization
  • the above-mentioned BWP 1 is a BWP dedicated to beam measurement in the cell.
  • the terminal determines the beam to be measured based on its own position.
  • the network side device when the terminal is in position A, it requests to perform beam measurement, the network side device sends the first signaling to activate the terminal to perform beam measurement, and configures the terminal to be measured as ⁇ beam 1, beam 2, beam 3 ⁇ ,
  • the corresponding antenna polarization information is ⁇ RHCP, LHCP ⁇
  • the corresponding BWP information is ⁇ BWP 1, BWP 2 ⁇ . Because the propagation delay in the NTN scenario is very large, when the terminal receives the first signaling, it has moved from position A to position B. At this time, the terminal only performs beam measurement on beam 1 and beam 2 according to its own position information.
  • Embodiment 7 The terminal determines the beam to be measured based on the measurement duration.
  • the network side device configures the terminal through the first signaling to configure the beam set to be measured as ⁇ beam 1, beam 2, beam 3 ⁇ , and the configured reference signals ⁇ reference signal 1, reference signal 2, reference signal 3
  • the time domain position of ⁇ , the effective time information of beam measurement, and the measurement duration are shown in Figure 9.
  • the terminal does not measure.
  • FIG. 10 is a flowchart of a beam measurement configuration method in an NTN scenario provided by an embodiment of the present application. As shown in FIG. 10, the method includes the following steps:
  • Step 1001 The network side device sends first signaling, where the first signaling is used to trigger the terminal to determine the first configuration information corresponding to each beam in the first measurement beam set, where the first configuration information includes at least one of the following: Item: Band configuration information and antenna polarization direction.
  • the frequency band configuration information of the beam includes at least one of the following: BWP configuration information of the bandwidth part where the beam is located and frequency domain resource information where the beam is located.
  • the BWP configuration information is determined based on a preset rule, and the preset rule includes at least one of the following:
  • Some configuration parameters in the first BWP configuration information of a terminal are the same;
  • Some configuration parameters in the second BWP configuration information of one beam are the same;
  • the second BWP configuration information of one beam is dedicated BWP configuration information
  • Some configuration parameters in the third BWP configuration information of a cell are the same;
  • the third BWP configuration information of a cell is dedicated BWP configuration information.
  • the first signaling carries target information
  • the target information includes at least one of the following:
  • the second configuration information is used to indicate a second measurement beam set, and the second measurement beam set includes the first measurement beam set;
  • the method before the network side device sends the first signaling, the method further includes:
  • the network-side device determines the second configuration information based on at least one of the following:
  • Ephemeris information of a satellite where the satellite is the network-side device or the satellite is used to forward the first signaling sent by the network-side device.
  • the second configuration information includes at least one of the following:
  • the beams in the second measurement beam set do not have measurement priorities, or the measurement priorities of the beams in the second measurement beam set are determined based on at least one of the following:
  • the method before the network side device sends the first signaling, the method further includes:
  • the network-side device receives first indication information, where the first indication information is used to indicate at least one of the following: the terminal needs to perform beam measurement; requesting the network-side device to send the first signaling.
  • the method before the network side device sends the first signaling, the method further includes:
  • auxiliary information is used to assist the network-side device in sending the first signaling
  • the auxiliary information includes at least one of the following: location information of the terminal; moving speed and moving direction of the terminal; and polarization direction supported by the receiving antenna of the terminal.
  • the first configuration information further includes configuration information of an associated reference signal.
  • the first signaling is carried by at least one of the following: radio resource control RRC, medium access control control element MAC CE, and downlink control information DCI.
  • RRC radio resource control
  • MAC CE medium access control control element
  • DCI downlink control information
  • this embodiment is an implementation of the network-side device corresponding to the embodiment shown in FIG. 4 .
  • the specific implementation please refer to the relevant description of the embodiment shown in FIG. 4 , and to achieve the same beneficial effects, in order to To avoid repeating the description, it will not be repeated here.
  • the execution subject may be the beam measurement device in the NTN scenario, or, in the beam measurement device in the NTN scenario, the beam measurement device in the NTN scenario is used for executing the NTN scenario.
  • the beam measurement device in the NTN scenario provided by the embodiments of the present application is described by taking the beam measurement method in the NTN scenario performed by the beam measurement device in the NTN scenario as an example.
  • FIG. 11 is a structural diagram of a beam measurement apparatus in an NTN scenario provided by an embodiment of the present application.
  • the beam measurement apparatus 1100 in the NTN scenario includes:
  • a first determining module 1102 configured to determine, according to the first signaling, first configuration information corresponding to each beam in the first measurement beam set;
  • the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • the frequency band configuration information of the beam includes at least one of the following: BWP configuration information of the bandwidth part where the beam is located and frequency domain resource information where the beam is located.
  • the BWP configuration information is determined based on a preset rule, and the preset rule includes at least one of the following:
  • Some configuration parameters in the first BWP configuration information of a terminal are the same;
  • Some configuration parameters in the second BWP configuration information of one beam are the same;
  • the second BWP configuration information of one beam is dedicated BWP configuration information
  • Some configuration parameters in the third BWP configuration information of a cell are the same;
  • the third BWP configuration information of a cell is dedicated BWP configuration information.
  • the first signaling carries target information
  • the target information includes at least one of the following:
  • the second configuration information is used to indicate a second measurement beam set, and the second measurement beam set includes the first measurement beam set;
  • the second measurement beam set is determined based on at least one of the following:
  • Ephemeris information of a satellite where the satellite is the network-side device or the satellite is used to forward the first signaling sent by the network-side device.
  • the second configuration information includes at least one of the following:
  • the beams in the second measurement beam set do not have measurement priorities, or the measurement priorities of the beams in the second measurement beam set are determined based on at least one of the following:
  • the executing module 1103 is configured to execute any one of the following:
  • the first object includes at least one of the first configuration information and the second configuration information.
  • the first measurement beam set is determined based on at least one of the following:
  • Ephemeris information of a satellite where the satellite is the network-side device or the satellite is used to forward the first signaling sent by the network-side device.
  • the beam measurement device in the NTN scenario further includes:
  • the second sending module is configured to send first indication information to the network side device, where the first indication information is used to indicate at least one of the following: the terminal needs to perform beam measurement; request the network side device to send the first indication information signaling.
  • the beam measurement apparatus in the NTN scenario further includes:
  • a second sending module configured to report auxiliary information, where the auxiliary information is used to assist the network-side device to send the first signaling
  • the auxiliary information includes at least one of the following: location information of the terminal; moving speed and moving direction of the terminal; and polarization direction supported by the receiving antenna of the terminal.
  • the first configuration information further includes configuration information of an associated reference signal.
  • the first signaling is carried by at least one of the following: radio resource control RRC, medium access control control element MAC CE, and downlink control information DCI.
  • RRC radio resource control
  • MAC CE medium access control control element
  • DCI downlink control information
  • the beam measurement apparatus in the NTN scenario provided by the embodiment of the present application can implement each process in the method embodiment of FIG. 4 , and to avoid repetition, details are not described here.
  • the execution subject may be the beam measurement device in the NTN scenario, or, in the beam measurement device in the NTN scenario, the beam measurement device in the NTN scenario is used for executing the NTN scenario.
  • the beam measurement device in the NTN scenario provided by the embodiments of the present application is described by taking the beam measurement method in the NTN scenario performed by the beam measurement device in the NTN scenario as an example.
  • FIG. 12 is a structural diagram of a beam measurement configuration apparatus in an NTN scenario provided by an embodiment of the present application.
  • the beam measurement apparatus 1200 in the NTN scenario includes:
  • the first sending module 1201 is configured to send first signaling, where the first signaling is used to trigger the terminal to determine first configuration information corresponding to each beam in the first measurement beam set, where the first configuration information includes the following: At least one item: frequency band configuration information and antenna polarization direction.
  • the frequency band configuration information of the beam includes at least one of the following: BWP configuration information of the bandwidth part where the beam is located and frequency domain resource information where the beam is located.
  • the BWP configuration information is determined based on a preset rule, and the preset rule includes at least one of the following:
  • Some configuration parameters in the first BWP configuration information of a terminal are the same;
  • Some configuration parameters in the second BWP configuration information of one beam are the same;
  • the second BWP configuration information of one beam is dedicated BWP configuration information
  • Some configuration parameters in the third BWP configuration information of a cell are the same;
  • the third BWP configuration information of a cell is dedicated BWP configuration information.
  • the first signaling carries target information
  • the target information includes at least one of the following:
  • the second configuration information is used to indicate a second measurement beam set, and the second measurement beam set includes the first measurement beam set;
  • the beam measurement configuration apparatus 1200 in the NTN scenario further includes:
  • a second determining module configured to determine the second configuration information based on at least one of the following:
  • Ephemeris information of a satellite where the satellite is the network-side device or the satellite is used to forward the first signaling sent by the network-side device.
  • the second configuration information includes at least one of the following:
  • the beams in the second measurement beam set do not have measurement priorities, or the measurement priorities of the beams in the second measurement beam set are determined based on at least one of the following:
  • the beam measurement configuration apparatus 1200 in the NTN scenario further includes:
  • a receiving module configured to receive first indication information, where the first indication information is used to indicate at least one of the following: the terminal needs to perform beam measurement; request the network side device to send the first signaling.
  • the beam measurement configuration apparatus 1200 in the NTN scenario further includes:
  • a receiving module configured to receive auxiliary information, where the auxiliary information is used to assist the network-side device to send the first signaling
  • the auxiliary information includes at least one of the following: location information of the terminal; moving speed and moving direction of the terminal; and polarization direction supported by the receiving antenna of the terminal.
  • the first configuration information further includes configuration information of an associated reference signal.
  • the first signaling is carried by at least one of the following: radio resource control RRC, medium access control control element MAC CE, and downlink control information DCI.
  • RRC radio resource control
  • MAC CE medium access control control element
  • DCI downlink control information
  • the beam measurement configuration apparatus in the NTN scenario provided by the embodiment of the present application can implement each process in the method embodiment of FIG. 10 , and to avoid repetition, details are not described here.
  • the beam measurement device in the NTN scenario and the beam measurement configuration device in the NTN scenario in the embodiments of the present application may be devices, devices or electronic devices with operating systems, or components, integrated circuits, or chips in terminals.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the beam measurement device in the NTN scenario and the beam measurement configuration device in the NTN scenario provided by the embodiments of the present application can implement the various processes implemented by the method embodiments in FIG. 4 to FIG. 10 and achieve the same technical effect. To avoid repetition, here No longer.
  • an embodiment of the present application further provides a communication device 1300, including a processor 1301, a memory 1302, a program or instruction stored in the memory 1302 and executable on the processor 1301,
  • a communication device 1300 including a processor 1301, a memory 1302, a program or instruction stored in the memory 1302 and executable on the processor 1301,
  • the communication device 1300 is a terminal
  • the program or instruction is executed by the processor 1301
  • each process of the above embodiments of the beam measurement apparatus in the NTN scenario can be achieved, and the same technical effect can be achieved.
  • the communication device 1300 is a network-side device
  • the program or instruction is executed by the processor 1301
  • each process of the above-mentioned embodiment of the beam measurement configuration method in the NTN scenario can be achieved, and the same technical effect can be achieved. Repeat.
  • An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the communication interface is used to acquire first signaling sent by a network-side device; the processor is used to determine, according to the first signaling, which is in the first measurement beam set, The first configuration information corresponding to each beam; the beam measurement is performed according to the first configuration information; the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 14 is a schematic diagram of a hardware structure of a terminal implementing various embodiments of the present application.
  • the terminal 1400 includes but is not limited to: a radio frequency unit 1401, a network module 1402, an audio output unit 1403, an input unit 1404, a sensor 1405, a display unit 1406, a user input unit 1407, an interface unit 1408, a memory 1409, and a processor 1410. at least some parts.
  • the terminal 1400 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 1410 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 14 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1404 may include a graphics processor (Graphics Processing Unit, GPU) 14041 and a microphone 14042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1406 may include a display panel 14061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1407 includes a touch panel 14071 and other input devices 14072 .
  • the touch panel 14071 is also called a touch screen.
  • the touch panel 14071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 14072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described herein again.
  • the radio frequency unit 1401 receives the downlink data from the network side device, and then processes it to the processor 1410; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1401 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 1409 may be used to store software programs or instructions as well as various data.
  • the memory 109 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1409 may include high-speed random access memory, and may also include non-transitory memory, wherein the non-transitory memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the processor 1410 may include one or more processing units; optionally, the processor 1410 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1410.
  • the radio frequency unit 1401 is used to obtain the first signaling sent by the network side device
  • the processor 1410 is configured to determine, according to the first signaling, first configuration information corresponding to each beam in the first measurement beam set; and perform beam measurement according to the first configuration information;
  • the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • the first signaling sent by the network-side device is obtained; the first configuration information corresponding to each beam in the first measurement beam set is determined according to the first signaling; and, according to the first configuration information Perform beam measurement; wherein, the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • the BWP configuration information is determined based on a preset rule, and the preset rule includes at least one of the following:
  • Some configuration parameters in the first BWP configuration information of a terminal are the same;
  • Some configuration parameters in the second BWP configuration information of one beam are the same;
  • the second BWP configuration information of one beam is dedicated BWP configuration information
  • Some configuration parameters in the third BWP configuration information of a cell are the same;
  • the third BWP configuration information of a cell is dedicated BWP configuration information.
  • the first signaling carries target information
  • the target information includes at least one of the following:
  • the second configuration information is used to indicate a second measurement beam set, and the second measurement beam set includes the first measurement beam set;
  • the second measurement beam set is determined based on at least one of the following:
  • Ephemeris information of a satellite where the satellite is the network-side device or the satellite is used to forward the first signaling sent by the network-side device.
  • the second configuration information includes at least one of the following:
  • the beams in the second measurement beam set do not have measurement priorities, or the measurement priorities of the beams in the second measurement beam set are determined based on at least one of the following:
  • the processor 1410 is specifically configured to perform any one of the following:
  • the first object includes at least one of the first configuration information and the second configuration information.
  • the first measurement beam set is determined based on at least one of the following:
  • Ephemeris information of a satellite where the satellite is the network-side device or the satellite is used to forward the first signaling sent by the network-side device.
  • the radio frequency unit 1401 is further configured to send first indication information to the network side device, where the first indication information is used to indicate at least one of the following: the terminal needs to perform beam measurement; request the network side The device sends the first signaling.
  • the radio frequency unit 1401 is further configured to report auxiliary information, where the auxiliary information is used to assist the network-side device to send the first signaling;
  • the auxiliary information includes at least one of the following: location information of the terminal; moving speed and moving direction of the terminal; and polarization direction supported by the receiving antenna of the terminal.
  • the first configuration information further includes configuration information of an associated reference signal.
  • the first signaling is carried by at least one of the following: radio resource control RRC, medium access control control element MAC CE, and downlink control information DCI.
  • RRC radio resource control
  • MAC CE medium access control control element
  • DCI downlink control information
  • An embodiment of the present application further provides a network-side device, including a processor and a communication interface, where the communication interface is used to send first signaling, where the first signaling is used to trigger the terminal to determine, in the first measurement beam set, each beam
  • the first configuration information includes at least one of the following: frequency band configuration information and antenna polarization direction.
  • the network side device 1500 includes: an antenna 1501 , a radio frequency device 1502 , and a baseband device 1503 .
  • the antenna 1501 is connected to the radio frequency device 1502 .
  • the radio frequency device 1502 receives information through the antenna 1501, and sends the received information to the baseband device 1503 for processing.
  • the baseband device 1503 processes the information to be sent and sends it to the radio frequency device 1502
  • the radio frequency device 1502 processes the received information and sends it out through the antenna 1501 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1503 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1503 .
  • the baseband apparatus 1503 includes a processor 1504 and a memory 1505 .
  • the baseband device 1503 may include, for example, at least one baseband board on which multiple chips are arranged, as shown in FIG. 15 , one of the chips is, for example, the processor 1504 , which is connected to the memory 1505 to call the program in the memory 1505 to execute
  • the network-side device shown in the above method embodiments operates.
  • the baseband device 1503 may further include a network interface 1506 for exchanging information with the radio frequency device 1502, and the interface is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network-side device in this embodiment of the present application further includes: instructions or programs that are stored in the memory 1505 and run on the processor 1504 , and the processor 1504 calls the instructions or programs in the memory 1505 to execute the modules shown in FIG. 12 .
  • the embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the above-mentioned beam measurement method in the NTN scenario or the beam in the NTN scenario is implemented
  • a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the above-mentioned beam measurement method in the NTN scenario or the beam in the NTN scenario is implemented
  • the processor is the processor in the electronic device described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement beam measurement in the above NTN scenario.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.
  • An embodiment of the present application further provides a computer program product, the computer program product is stored in a non-transitory storage medium, and the computer program product is executed by at least one processor to implement the beam measurement method in the above NTN scenario or
  • the various processes of the embodiments of the beam measurement configuration method in the NTN scenario can achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application also provides a communication device, which is configured to perform the various processes of the above-mentioned embodiments of the beam measurement method in the NTN scenario or the beam measurement configuration method in the NTN scenario, and can achieve the same technical effect, in order to avoid Repeat, and will not repeat them here.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande, qui appartient au domaine technique des communications, concerne un procédé de mesure de faisceaux dans un scénario de réseau non terrestre, NTN, un procédé de configuration de faisceaux dans un scénario NTN, et un dispositif associé. Le procédé de mesure de faisceaux dans un scénario NTN selon les modes de réalisation de la présente demande comprend : l'acquisition, par un terminal, d'une première signalisation envoyée par un dispositif du côté du réseau; la détermination, par le terminal selon la première signalisation, de premières informations de configuration correspondant à chaque faisceau dans un premier ensemble de faisceaux de mesure; et l'exécution, par le terminal, d'une mesure de faisceau selon les premières informations de configuration, les premières informations de configuration comprenant : des informations de configuration de bande de fréquences et/ou une direction de polarisation d'antenne.
PCT/CN2022/085036 2021-04-06 2022-04-02 Procédé de mesure de faisceaux dans un scénario de réseau non terrestre, procédé de configuration de faisceaux dans un scénario de réseau non terrestre, et dispositif associé WO2022213921A1 (fr)

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