WO2024032391A1 - Procédé et appareil d'indication de faisceau et dispositif associé - Google Patents

Procédé et appareil d'indication de faisceau et dispositif associé Download PDF

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Publication number
WO2024032391A1
WO2024032391A1 PCT/CN2023/109922 CN2023109922W WO2024032391A1 WO 2024032391 A1 WO2024032391 A1 WO 2024032391A1 CN 2023109922 W CN2023109922 W CN 2023109922W WO 2024032391 A1 WO2024032391 A1 WO 2024032391A1
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WO
WIPO (PCT)
Prior art keywords
indication
signaling
activation code
status
tci
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PCT/CN2023/109922
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English (en)
Chinese (zh)
Inventor
李辉
苏昕
高秋彬
骆亚娟
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大唐移动通信设备有限公司
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Publication of WO2024032391A1 publication Critical patent/WO2024032391A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular, to a beam indicating method, device and related equipment.
  • the downlink channel includes the Physical Downlink Shared Channel (PDSCH) and the Physical Downlink Control Channel (PDCCH).
  • the uplink channel includes the Physical Downlink Shared Channel (PDCCH).
  • Uplink Shared Channel Physical Uplink Shared Channel, referred to as PUSCH
  • Physical Uplink Control Channel Physical Uplink Control Channel, referred to as PUCCH.
  • PUSCH Physical Uplink Shared Channel
  • PUCCH Physical Uplink Control Channel
  • uplink and downlink channels are usually transmitted after beamforming to enhance coverage.
  • signaling needs to be used to indicate the beam during channel transmission and determine the beams of different channels. Beam direction, i.e. beam indication.
  • the present disclosure provides a method, device and related equipment for beam indication.
  • a beam indication method is provided, which is executed by a terminal device.
  • the method includes: receiving a first signaling sent by a network device; and including a first indication domain in the first signaling.
  • at least one TCI (Transmission Configuration Indication, Transmission Configuration Indication) status/status group is determined according to the one first indication field; in the case that the first signaling includes multiple second indication fields, according to each Each of the second indication fields determines a TCI status/status group, wherein the TCI status is used to indicate a type of beam, and the TCI status group is used to indicate a type of beam group.
  • TCI Transmission Configuration Indication
  • Transmission Configuration Indication Transmission Configuration Indication
  • the beam indication method further includes: receiving second signaling sent by the network device, the second signaling being used to indicate the correspondence between the activation code point and the TCI state/TCI state group; Determining at least one TCI status/status group according to the first indication field includes: determining at least one TCI corresponding to the activation code point in the first indication field according to the correspondence relationship of the second signaling indication. Status/TCI status group; Determining a TCI status/status group according to each second indication domain includes: determining a TCI status/status group in each second indication domain according to the corresponding relationship of the second signaling indication. Activate a TCI state/TCI state group corresponding to the code point.
  • the activation code point indicated by the second signaling includes a first activation code point, and the first activation code point corresponds to multiple TCI states/state groups.
  • each of the TCI states/status groups corresponding to the first activation code point has an association relationship with a TRP; and the first first activation code point is determined based on the corresponding relationship indicated by the second signaling.
  • Indicate at least one TCI state/TCI state group corresponding to the activation code point in the field including: determining that the activation code point in the first indication field is the first activation code based on the corresponding relationship of the second signaling indication
  • the TCI status/status group of the multiple TRPs is determined based on the multiple TCI status/status groups corresponding to the first activation code point and the TRP associated with each TCI status/status group.
  • each of the second indication fields has an associated relationship with a TRP; and based on the corresponding relationship of the second signaling indication, the activation code point corresponding to each of the second indication fields is determined.
  • a TCI state/TCI state group includes: when it is determined that at least one activation code point indicated by the second indication field is the first activation code point based on the corresponding relationship of the second signaling indication, from the Determine an effective TCI state/state group among multiple TCI states/state groups corresponding to the first activation code point; determine the TCI state of the TRP associated with the at least one second indication domain based on the effective TCI state/state group. /status group.
  • each TCI status/status group corresponding to the first activation code point has an association relationship with a TRP; and each of the first activation code points is determined according to the corresponding relationship indicated by the second signaling.
  • a TCI state/TCI state group corresponding to activation code points in two indication fields including: determining at least one activation code point indicated by the second indication field to be the first based on the corresponding relationship of the second signaling indication.
  • determine an effective TCI state/state group from multiple TCI states/state groups corresponding to the first activation code point; determine the effective TCI state according to the effective TCI state/state group.
  • the effective TCI status/status group is one of the following: among the multiple TCI status/status groups corresponding to the first activation code point, the TCI status/status group that meets the set sorting position ; Or, among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication field.
  • the activation code points indicated by the second signaling include a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • determining a TCI state/TCI state group corresponding to each activation code point in the second indication field according to the corresponding relationship of the second signaling indication includes: based on the first When the corresponding relationship between two signaling indications determines that at least one activation code point indicated by the second indication field is the second activation code point, it is determined according to the TCI status/status group corresponding to the second activation code point.
  • the at least one second indication domain is associated with the TCI status/status group of the TRP.
  • the beam indication method further includes: including a first indication domain in the first signaling, and determining the first indication domain based on the corresponding relationship of the second signaling indication.
  • the activation code point is the second activation code point
  • the second activation code based on the second signaling indication Switch the terminal device from multiple TRPs to a single TRP based on the first switching information associated with the point; or, include a first indication field in the first signaling, and based on the corresponding relationship indicated by the second signaling
  • the terminal device is switched from multi-TRP to single-TRP based on the second switching information carried in the first signaling.
  • the terminal device is switched from multiple TRPs to a single TRP based on the switching strategy corresponding to the set conditions.
  • the beam indication method further includes: including a first indication domain in the first signaling, and determining the first indication domain based on the corresponding relationship of the second signaling indication.
  • the activation code point is the second activation code point, update the TCI status/status of one TRP among the multiple TRPs adopted by the terminal device according to the TCI status/status group corresponding to the second activation code point.
  • the first signaling includes a first indication field, and based on the corresponding relationship of the second signaling indication, it is determined that the activation code point in the first indication field is the second activation code In the case of point, based on the first update information associated with the second activation code point indicated by the second signaling, update the TCI status/status group of one TRP among the multiple TRPs adopted by the terminal device; or, When the first signaling includes a first indication field, and the activation code point in the first indication field is determined to be the second activation code point based on the correspondence relationship of the second signaling indication.
  • the update strategy corresponding to the setting conditions is based on the , update the TCI status/status group of one TRP among the multiple TRPs adopted by the terminal device.
  • the activation code point is one of the activation code points indicated by the second signaling field corresponding to the first indication field; the activation code point in the second indication field is the activation code point corresponding to the second indication field.
  • the corresponding relationship between each of the second signaling and the first indication domain or the second indication domain is determined in one of the following ways: the second signaling and the The same TRP is associated with the first indication domain or the second indication domain; or, the first signaling carries association indication information, and the association indication information is used to indicate the The second signaling associated with the first indication field or the second indication field.
  • the association indication information occupies at least one bit in the first indication field or the second indication field.
  • the first indication field includes at least two activation code points respectively corresponding to different second signaling indications; and the first indication is determined according to the corresponding relationship of the second signaling indications.
  • At least one TCI status/TCI status group corresponding to the activation code point in an indication field includes: for any one activation code point among the at least two activation code points, querying the second activation code point corresponding to the one activation code point. The corresponding relationship indicated by the signaling is used to determine at least one TCI state/TCI state group corresponding to the one activation code point.
  • a beam indication method is provided, which is executed by a network device.
  • the method includes: sending a first signaling to a terminal device; wherein the first signaling includes a first indication field. , for the terminal device to determine multiple TCI states/status groups according to the one first indication field; or, the first signaling includes a plurality of second indication fields, for the terminal device to determine multiple TCI states/status groups according to each
  • the second indication field determines a TCI status/status group, wherein the TCI status is used to indicate a type of beam, and the TCI status group is used to indicate a type of beam group.
  • the beam indication method further includes: sending second signaling to the terminal device; wherein the second signaling is used to indicate the correspondence between the activation code point and the TCI state/TCI state group Relationship; the first indication field is used by the terminal device to determine at least one TCI state/TCI state corresponding to the activation code point in the first indication field according to the corresponding relationship of the second signaling indication. Group; each of the second indication fields is used by the terminal device to determine a TCI status/TCI corresponding to the activation code point in each of the second indication fields according to the corresponding relationship of the second signaling indication. status group.
  • the activation code point of the second signaling includes a first activation code point, and the first activation code point corresponds to multiple TCI states/state groups.
  • each of the TCI states/status groups corresponding to the first activation code point has an association relationship with the TRP, for the terminal device to determine the corresponding relationship based on the second signaling indication.
  • the activation code point in the first indication field is the first activation code point
  • the location of each TCI state/status group Correlate TRPs and determine the TCI status/status group of multiple TRPs.
  • each of the second indication fields has an associated relationship with a TRP, which is used by the terminal device to determine at least one activation code indicated by the second indication field based on the corresponding relationship of the second signaling indication.
  • a TRP which is used by the terminal device to determine at least one activation code indicated by the second indication field based on the corresponding relationship of the second signaling indication.
  • each TCI status/status group corresponding to the first activation code point has an association relationship with a TRP, for the terminal device to determine at least one based on the corresponding relationship indicated by the second signaling.
  • the activation code point indicated by the second indication field is the first activation code point, determine an effective TCI state/state group from multiple TCI states/state groups corresponding to the first activation code point; According to the effective TCI state/state group, the TCI state/state group of the TRP associated with the effective TCI state/state group is determined.
  • the effective TCI status/status group is one of the following: among the multiple TCI status/status groups corresponding to the first activation code point, the TCI status/status group that meets the set sorting position ; Or, among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP, wherein the TRP is the same as the TRP associated with the second indication domain.
  • the activation code points indicated by the second signaling include a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • the TCI state/state group corresponding to the second activation code point is used by the terminal device to determine the activation of at least one of the second indication domain indications based on the corresponding relationship of the second signaling indication. If the code point is the second activation code point, the TCI status/status group of the TRP associated with the at least one second indication domain is determined according to the TCI status/status group corresponding to the second activation code point.
  • the second activation code point is used to: include a first indication field in the first signaling, and determine the first indication based on the corresponding relationship of the second signaling indication.
  • the activation code point in the domain is the second activation code point
  • the second activation code point based on the second signaling indication Activating the first switching information associated with the code point, switching the terminal device from multiple TRPs to a single TRP; or, including a first indication field in the first signaling, and based on the second signaling indication
  • the terminal device is switched from the multi-TRP based on the second switching information carried in the first signaling.
  • the terminal device is switched from multiple TRPs to a single TRP based on the switching strategy corresponding to the set conditions.
  • the second activation code point is used to: include a first indication field in the first signaling, and determine the first indication based on the corresponding relationship of the second signaling indication.
  • the activation code point in the domain is the second activation code point
  • the TCI status of one TRP among the multiple TRPs adopted by the terminal device is updated according to the TCI status/status group corresponding to the second activation code point.
  • a first indication field is included in the first signaling, and based on the corresponding relationship of the second signaling indication, it is determined that the activation code point in the first indication field is the second
  • the first signaling includes a first indication field, and based on the corresponding relationship of the second signaling indication, it is determined that the activation code point in the first indication field is the second activation code point.
  • second indication fields and it is determined based on the corresponding relationship of the second signaling indication that the second activation code point in the plurality of second indication fields meets the setting conditions, based on the corresponding setting conditions Update the policy to update the TCI status/status group of one TRP among the multiple TRPs used by the terminal device.
  • the activation code point is one of the activation code points indicated by the second signaling field corresponding to the first indication field; the activation code point in the second indication field is the activation code point corresponding to the second indication field.
  • the corresponding relationship between each of the second signaling and the first indication domain or the second indication domain is determined in one of the following ways: the second signaling and the The first indication domain or the second indication domain is associated with the same TRP; or, the first signaling carries association indication information, and the association indication information is used to indicate all the information in the first signaling.
  • the association indication information occupies at least one bit in the first indication field or the second indication field.
  • the first indication field includes at least two code points respectively corresponding to different second signaling indications; wherein any one of the at least two activation code points is used for
  • the terminal device queries the corresponding relationship indicated by the second signaling corresponding to the one activation code point to determine at least one TCI state/TCI state group corresponding to the one activation code point.
  • a terminal device including a memory, a transceiver, and a processor: the memory is used to store a computer program; the transceiver is used to send and receive data under the control of the processor; the processor , used to read the computer program in the memory and perform the following operations: receive the first signaling sent by the network device; in the case where the first signaling includes a first indication field, according to the first An indication field determines at least one TCI status/status group; when the first signaling includes multiple second indication domains, one TCI status/status group is determined according to each second indication domain.
  • a network device including a memory, a transceiver, and a processor: the memory is used to store a computer program; the transceiver is used to send and receive data under the control of the processor; the processor , used to read the computer program in the memory and perform the following operations: send the first signaling to the terminal device; wherein the first signaling includes a first indication field for the terminal device to operate according to the The one first indication field determines at least one TCI status/status group; or, the first signaling includes a plurality of second indication fields, for the terminal device to determine a TCI according to each of the second indication fields.
  • Status/status group wherein the TCI status is used to indicate a type of beam, and the TCI status group is used to indicate a type of beam group.
  • a beam indication device including: a receiving module, configured to receive a first signaling sent by a network device; and a processing module, configured to include a first signaling in the first signaling.
  • a receiving module configured to receive a first signaling sent by a network device
  • a processing module configured to include a first signaling in the first signaling.
  • at least one TCI status/status group is determined based on the one first indication domain; in the case of multiple second indication domains included in the first signaling, at least one TCI status/status group is determined based on each of the second indication fields.
  • the domain determines a TCI state/state group, wherein the TCI state is used to indicate a type of beam, and the TCI status group is used to indicate a type of beam group.
  • a beam indication device including: a sending module configured to send first signaling to a terminal device; wherein the first signaling includes a first indication field for The terminal device determines at least one TCI status/status group according to the one first indication field; or, the first signaling includes a plurality of second indication fields for the terminal device to determine according to each of the first indication fields.
  • the second indication field determines a TCI status/status group, wherein the TCI status is used to indicate a type of beam, and the TCI status group is used to indicate a type of beam group.
  • a processor-readable storage medium stores a computer program.
  • the computer program is used to cause the processor to execute the implementation of the first aspect of the present disclosure.
  • the beam indication method described in the example, or the beam indication method described in the embodiment of the second aspect of the present disclosure is performed.
  • a computer program product including a computer program that, when executed by a processor, implements the beam pointing method described in the embodiment of the first aspect of the present disclosure, or executes the present disclosure The beam pointing method described in the embodiment of the second aspect.
  • the technical solution of the present disclosure is to receive the first signaling sent by the network device; when the first signaling includes a first indication field, at least one TCI status/status group is determined according to a first indication field; in the first When a signaling includes multiple second indication fields, a TCI state/state group is determined according to each second indication field, where the TCI state is used to indicate a type of beam, and the TCI state group is used to Indicates a beam group.
  • Figure 1 is a schematic flowchart of a beam indication method provided by an embodiment of the present disclosure
  • Figure 2 is a schematic flow chart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 3 is a schematic flow chart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 4 is a schematic flow chart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 5 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 6 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 7 is a schematic flow chart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 8 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 9 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 10 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • Figure 11 is a schematic structural diagram of a terminal device provided by an embodiment of the present disclosure.
  • Figure 12 is a schematic structural diagram of a network device provided by an embodiment of the present disclosure.
  • Figure 13 is a schematic structural diagram of a beam indicating device provided by an embodiment of the present disclosure.
  • Figure 14 is a schematic structural diagram of a beam pointing device provided by an embodiment of the present disclosure.
  • the term "and/or” describes the association relationship of associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A exists alone, A and B exist simultaneously, and B exists alone. these three situations.
  • the character "/” generally indicates that the related objects are in an "or” relationship.
  • the term “plurality” refers to two or more than two, and other quantifiers are similar to it.
  • a method of using one beam indication signaling to indicate multiple channel beams activates a set of TCI states through MAC-CE (signaling of the control element of the MAC layer), and then uses DCI (Downlink Control Information, downlink control information) indicating one of the active TCI states.
  • DCI Downlink Control Information
  • Two DCI instructions can be used, one of which is DCI format 1_1 or DCI format 1_2 with data scheduling, and the other is DCI format 1_1 or DCI format 1_2 without data scheduling.
  • the beam indicated by the beam indication signaling can be used for both the uplink channel and the downlink channel.
  • joint TCI mode joint TCI mode
  • MPE maximum permissible exposure, maximum allowable loss
  • the terminal equipment needs to switch the uplink beam
  • the uplink channel will use a different beam from the downlink channel, so the beam indication signaling needs to indicate the uplink channel beam and the downlink channel beam respectively.
  • This When configured as independent uplink and downlink TCI mode (separate DL/UL TCI mode).
  • this mechanism of NR Rel-17 only supports single TRP (Transmission Reception Point, transmission and reception node) transmission.
  • each CORESET control resource set
  • CORESETPoolIndex control resource set pool index
  • the corresponding TCI status/status group needs to be indicated for multiple TRPs.
  • the number of required TCI states/state groups will increase compared to the single TRP (sTRP) scenario. Therefore, the method of beam indication needs to be expanded.
  • the base station can only update the TCI status/status group of one of the TRPs, or switch between mTRP and sTRP. In related technologies, there is no relevant solution to determine whether mTRP transmission or sTRP transmission requires passing the beam. Instructions are distinguished.
  • the present disclosure proposes a beam indication method, device and related equipment.
  • the method and the device are based on the same application concept. Since the principles of the method and the device to solve the problem are similar, the implementation of the device and the method can be referred to each other, and the repeated details will not be repeated.
  • Figure 1 is a schematic flowchart of a beam indication method provided by an embodiment of the present disclosure. It should be noted that the beam indication method in the embodiment of the present disclosure can be executed by the terminal device.
  • the beam pointing method may include the following steps 101 to 103.
  • Step 101 Receive the first signaling sent by the network device.
  • the terminal device may receive the first signaling sent by the network device, where the first signaling is, for example, DCI signaling or MAC-CE signaling.
  • the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to the user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem, etc. .
  • the names of terminal equipment may also be different.
  • the terminal equipment may be called User Equipment (UE).
  • Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a Radio Access Network (RAN).
  • Core Network Core Network
  • RAN Radio Access Network
  • the wireless terminal equipment can be a mobile terminal equipment, such as a mobile phone (also known as a "cellular phone").
  • “Telephone) and computers with mobile terminal devices which may be, for example, portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile devices, which exchange speech and/or data with the radio access network.
  • mobile terminal equipment may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, or an access point.
  • remote terminal equipment remote terminal equipment (remote terminal), access terminal equipment (access terminal), user terminal equipment (user terminal), user agent (user agent), user device (user device).
  • the network device involved in the embodiment of the present disclosure may be a base station, and the base station may include multiple cells that provide services for terminals.
  • a base station can also be called an access point, or it can be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or it can be named by another name.
  • Network equipment can be used to exchange received air frames with Internet Protocol (IP) packets and act as a router between the wireless terminal equipment and the rest of the access network, which can include the Internet. Protocol (IP) communication network.
  • IP Internet Protocol
  • Network devices also coordinate attribute management of the air interface.
  • the network equipment involved in the embodiments of this application may be the network equipment (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA). ), or it can be a network device (NodeB) in a Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device in a long term evolution (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in the 5G network architecture (next generation system), or home evolved base station (Home evolved Node B, HeNB), relay node (relay node) , home base station (femto), pico base station (pico), etc.
  • network equipment may include centralized unit (CU) nodes and distributed unit (DU) nodes. The centralized unit and distributed unit may also be arranged geographically separately.
  • Network equipment and terminal equipment can each use one or more antennas for multi-input multi-output (MIMO) transmission.
  • MIMO transmission can be single-user MIMO (Single User MIMO, SU-MIMO) or multi-user MIMO. (Multiple User MIMO,MU-MIMO).
  • MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or it can be diversity transmission, precoding transmission or beamforming transmission, etc.
  • Step 102 If the first signaling includes a first indication field, determine at least one TCI status/status group based on a first indication field.
  • the first signaling may include one first indication field or multiple second indication fields.
  • the first signaling includes a first indication field (eg, TCI indication field), and one or more TCI states/state groups can be determined according to a first indication field.
  • TCI indication field e.g, TCI indication field
  • each TCI state can be used to represent a type of beam
  • each TCI state group can be used to represent a type of beam group.
  • Step 103 When the first signaling includes multiple second indication fields, determine a TCI status/status group based on each second indication field. TCI status is used to indicate a beam, and TCI status group is used to indicate a beam group.
  • the first information may include multiple second indication fields, and each second indication field may determine a TCI status/status group.
  • the first signaling includes one indication domain
  • the one indication domain is called the first indication domain
  • the first signaling includes multiple indication fields
  • the multiple indication fields are called are called multiple second indication domains.
  • the network device by receiving the first signaling sent by the network device; when the first signaling includes a first indication field, at least one TCI status/status group is determined according to a first indication field; in the first signaling When multiple second indication fields are included, a TCI status/status group is determined based on each second indication domain, where the TCI status is used to indicate a type of beam, and the TCI status group is used to indicate a type of beam group.
  • the present disclosure proposes another beam indication method. It should be noted that the beam indication method in the disclosed embodiments can be used by the terminal device implement.
  • FIG. 2 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam pointing method may include the following steps 201 to 203.
  • Step 201 Receive second signaling sent by the network device.
  • the second signaling is used to indicate the correspondence between the activation code point and the TCI status/status group.
  • the network device may send second signaling to the terminal device, and the second signaling may be used to indicate the correspondence between the activation code point and the TCI status/status group.
  • Step 202 Receive the first signaling sent by the network device.
  • the network device can send the second signaling to the terminal device.
  • the second signaling can be used to activate the TCI status/status group, and then sends the first signaling to the terminal device.
  • the first signaling Used to indicate selecting one or more TCI states/state groups from the TCI states/state groups activated in the second signaling.
  • the second signaling may be MAC-CE signaling or RRC (Radio Resource Control (Radio Resource Control) signaling.
  • the second signaling can carry two sets of activation code points. Each first activation code point in the first set of activation code points can correspond to multiple TCI states/state groups; Each second activation code point in the two sets of activation code points can correspond to a TCI status/status group.
  • the second signaling may be one or more.
  • Step 203 When the first signaling includes a first indication field, determine at least one TCI state/state group corresponding to the activation code point in the first indication field according to the corresponding relationship indicated by the second signaling.
  • the first signaling includes a first indication field
  • the first indication field may correspond to an activation code point in the second signaling.
  • the activation code point corresponding to the domain is queried for the corresponding relationship of the second signaling indication to determine at least one TCI state/state group corresponding to the activation code point.
  • the activation code point corresponding to the first indication field query the corresponding relationship of the second signaling indication, it can be determined that the activation code point corresponds to multiple TCI states/status groups, and then the activation code point corresponding to the first indication field can be determined is the first activation code point, and the multiple TCI states/state groups corresponding to the first activation code point can be used as the multiple TCI states/state groups corresponding to the activation code points in the first indication field.
  • querying the corresponding relationship of the second signaling indication it can be determined that the activation code point corresponds to a TCI state/state group, and then the activation code point in the first indication field can be determined.
  • TCI status/status group It is a second activation code point among multiple second activation code points activated by the second signaling, and a TCI state/state group corresponding to the second activation code point is used as a corresponding one of the activation code points in the first indication field. TCI status/status group.
  • each TCI state/state group corresponding to the first activation code point is associated with the TRP
  • multiple TCI states/state groups associated with the multiple TRPs can be determined based on the multiple TCI states/state groups corresponding to the first activation code point and the TRP associated with each TCI state/state group.
  • the activation code point in the first indication field may correspond to at least one TCI state/state group, where , the activation code point in the first indication field is one of the activation code points indicated by the second signaling that has a corresponding relationship with the first indication field.
  • each second signaling and the first indication domain can be determined. or the first signaling carries association indication information.
  • the association indication information can be used to indicate the second signaling associated with the first indication domain in the first signaling to determine each second signaling. The correspondence relationship between let and the first indication domain.
  • the association indication information may occupy at least one bit in the first indication field.
  • the first indication field includes at least two activation code points respectively corresponding to different second signaling indications. For any one of the at least two activation code points, you can Query the corresponding relationship indicated by the second signaling corresponding to the one activation code point to determine at least one TCI state/state group corresponding to the one activation code point.
  • an activation code in the first indication field is determined according to the correspondence relationship indicated by the second signaling. At least one TCI status/status group corresponding to the point, thereby querying the correspondence between the activation code point indicated by the second signaling domain and the TCI status/status group based on the activation code point of the first indication domain, effectively determining at least A TCI status/status group.
  • the present disclosure proposes another beam indication method. It should be noted that the beam indication method in the disclosed embodiments can be used by the terminal. device execution.
  • FIG. 3 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam pointing method may include the following steps 301 to 303.
  • Step 301 Receive second signaling sent by the network device.
  • the second signaling is used to indicate the correspondence between the activation code point and the TCI status/status group.
  • Step 302 Receive the first signaling sent by the network device.
  • Step 303 When the first signaling includes multiple second indication fields, determine a TCI state/TCI state corresponding to the activation code point in each second indication field according to the corresponding relationship indicated by the second signaling field. Group.
  • the first signaling includes multiple second indication fields.
  • Each second indication field can correspond to an activation code point in the second signaling.
  • the activation code point By querying the corresponding relationship of the second signaling indication, it can be determined that the activation code point corresponds to at least one TCI state/state group.
  • the activation code point corresponds to multiple TCI states/state groups, it can be determined from the multiple TCI states/state groups. In the group, determine an effective TCI status/status group.
  • the state/state group determines an effective TCI state/state group from multiple TCI states/state groups as a TCI state/TCI state group corresponding to the activation code point in the second indication field.
  • the effective TCI status/status group can be one of the following: among the multiple TCI status/status groups corresponding to the first activation code point, the TCI status/status group that meets the set sorting position; or, the first activation Among the multiple TCI states/state groups corresponding to the code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication field.
  • the corresponding relationship of the second signaling indication according to the activation code point in the second indication domain and determine the activation code point of the second indication domain.
  • the live code point is a second activation code point
  • the second activation code point corresponds to a TCI state/state group, which can be used as a TCI state/state group corresponding to the activation code point in the second indication field.
  • the first signaling includes multiple second indication fields, and there is a corresponding relationship between each second signaling and the second indication field.
  • the activation code point in the second indication field is one of the activation code points indicated by the second signaling that has a corresponding relationship with the second indication field. According to the corresponding relationship between the second signaling indication, the activation code point in each second indication field is determined. At least one TCI status/status group corresponding to the activation code point. When the activation code point corresponds to multiple TCI status/status groups, an effective TCI status/status group can be determined from the multiple TCI status/status groups. .
  • the distance between each second signaling and the second indication domain can be determined.
  • the first signaling carries association indication information
  • the association indication information is used to indicate the second signaling associated with the second indication domain in the first signaling to determine the relationship between each second signaling and The corresponding relationship between the second indication fields, the association indication information may occupy at least one bit in the second indication field.
  • steps 301 to 302 can be implemented in any manner in the embodiments of the present disclosure, and the details of the embodiments of the present disclosure will not be repeated.
  • the second signaling field in each second indication field is determined according to the corresponding relationship of the second signaling indication.
  • a TCI status/status group corresponding to the activation code point Therefore, it is possible to query the corresponding relationship of the second signaling indication based on an activation code point in each second indication domain, and effectively determine the corresponding relationship in each second indication domain.
  • the present disclosure proposes another beam indication method.
  • the beam indication method of the disclosed embodiments can be executed by the terminal device.
  • Figure 4 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam indicating method may include the following steps 401 to 403.
  • Step 401 Receive second signaling sent by the network device.
  • the second signaling is used to indicate the correspondence between the activation code point and the TCI status/status group.
  • Step 402 Receive the first signaling sent by the network device.
  • Step 403 When the first signaling includes a first indication field and the activation code point in the first indication field is determined to be the first activation code point based on the corresponding relationship of the second signaling indication, the first activation code is Multiple TCI states/state groups corresponding to the points, and the TRP associated with each TCI state/state group, determine the TCI states/state groups of the multiple TRPs.
  • the corresponding relationship of the second signaling indication is queried to determine at least one TCI state/state group corresponding to the activation code point corresponding to the first indication field.
  • the activation code point corresponding to the indication field corresponds to multiple TCI states/status groups
  • each TCI status/status group among the multiple TCI status/status groups corresponding to the first activation code point has an associated TRP, that is, there is an association relationship between the TCI status/status group and the TRP, so that the disclosure can be based on multiple Query the above association relationship for each TRP to determine the TCI status/status group associated with multiple TRPs.
  • steps 401 to 402 can be implemented in any manner in the embodiments of the present disclosure, and the details of the embodiments of the present disclosure will not be repeated.
  • the activation code point in the first indication domain is determined to be the first activation code point based on the correspondence relationship of the second signaling indication
  • multiple TCI states/state groups corresponding to the first activation code point and
  • the TRP associated with each TCI status/status group determines the TCI status/status group of multiple TRPs, thereby achieving multiple TCI status/status corresponding to the first activation code point based on the activation code point in the first indication field.
  • the status group and the TRP associated with each TCI status/status group effectively determine the TCI status/status group of multiple TRPs.
  • the present disclosure proposes another beam indication. method. It should be noted that the beam indication method of the disclosed embodiments can be executed by a terminal device.
  • FIG. 5 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam pointing method may include the following steps 501 to 504.
  • Step 501 Receive second signaling sent by the network device.
  • the second signaling is used to indicate the correspondence between the activation code point and the TCI status/status group.
  • Step 502 Receive the first signaling sent by the network device.
  • Step 503 When the first signaling includes multiple second indication fields and it is determined that the activation code point indicated by at least one second indication field is the first activation code point based on the correspondence relationship of the second signaling indication, start from the first activation code point.
  • One effective TCI state/state group is determined among multiple TCI states/state groups corresponding to an activation code point.
  • each At least one TCI state/state group corresponding to the activation code point corresponding to the second indication field it can be determined that each At least one TCI state/state group corresponding to the activation code point corresponding to the second indication field.
  • the activation corresponding to the second indication field can be determined.
  • the code point is the first activation code point.
  • the activation code point corresponding to the second indication field corresponds to a TCI state/state group
  • it can be determined that the activation code point corresponding to the second indication field is the second activation code point.
  • an effective TCI state/status group may be determined from multiple TCI states/status groups corresponding to the first activation code point.
  • the effective TCI status/status group can be one of the following: among the multiple TCI status/status groups corresponding to the first activation code point, the TCI status/status group that meets the set sorting position; Or, among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication domain.
  • Step 504 Determine the TCI status/status group of the TRP associated with at least one second indication domain based on the effective TCI status/status group.
  • the second indication domain corresponding to the effective TCI status/status group can be determined according to the effective TCI status/status group. Since each second indication domain has an associated relationship with the TRP, and further, with the effective TCI status/status The TRP associated with the second indication field corresponding to the group has an association relationship with the effective TCI status/status group. Therefore, in the present disclosure, the above-mentioned query can be performed based on the TRP associated with the second indication domain corresponding to the effective TCI status/status group.
  • the association relationship may determine the TCI status/status group associated with the TRP associated with at least one second indication domain.
  • steps 501 to 502 can be implemented in any manner according to the embodiments of the present disclosure, and will not be described again in the embodiments of the present disclosure.
  • multiple TCI states/state groups corresponding to the first activation code point are Determine an effective TCI status/status group in the effective TCI status/status group, and determine the TCI status/status group of the TRP associated with at least one second indication domain.
  • the TCI of the TRP associated with at least one second indication domain is effectively determined according to an effective TCI status/status group among multiple TCI statuses/status groups corresponding to the first activation code point.
  • the present disclosure proposes another beam indication. method. It should be noted that the beam indication method of the disclosed embodiments can be executed by a terminal device.
  • FIG. 6 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam indicating method may include the following steps 601 to 604.
  • Step 601 Receive second signaling sent by the network device.
  • the second signaling is used to indicate the correspondence between the activation code point and the TCI status/status group.
  • Step 602 Receive the first signaling sent by the network device.
  • Step 603 When the first signaling includes multiple second indication fields and it is determined that the activation code point indicated by at least one second indication field is the first activation code point based on the correspondence relationship of the second signaling indication, start from the first activation code point.
  • One effective TCI state/state group is determined among multiple TCI states/state groups corresponding to an activation code point.
  • At least one TCI state/state group corresponding to the activation code point corresponding to the second indication field can be determined.
  • the activation code point corresponding to the second indication field corresponds to multiple TCI states/status groups
  • the activation code point corresponding to the second indication field corresponds to one In the TCI state/status group
  • it can be determined that the activation code point corresponding to the second indication field is the second activation code point.
  • An effective TCI state/state group can be determined from multiple TCI states/state groups corresponding to the first activation code point.
  • the effective TCI status/status group can be one of the following: among the multiple TCI status/status groups corresponding to the first activation code point, the TCI status/status group that meets the set sorting position; Or, among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication domain.
  • Step 604 Determine the TCI status/status group of the TRP associated with the effective TCI status/status group based on the effective TCI status/status group.
  • each TCI state/state group corresponding to the first activation code point has an associated TRP
  • the effective TCI state/state group has an associated TRP.
  • the TRP associated with the effective TCI state/state group can determine the TCI status/status group associated with the TRP associated with the effective TCI status/status group.
  • steps 601 to 602 can be implemented in any manner according to the embodiments of the present disclosure, and will not be described again in the embodiments of the present disclosure.
  • multiple TCI states/state groups corresponding to the first activation code point are Determine an effective TCI status/status group; according to the effective TCI status/status group, determine the TCI status/status group of the TRP associated with the effective TCI status/status group. From this, you can Realize that when the activation code point indicated by at least one second indication field is the first activation code point, effective determination is made according to an effective TCI status/status group among the corresponding multiple TCI status/status groups corresponding to the first activation code point. The TCI status/status group of the TRP associated with the effective TCI status/status group.
  • the present disclosure proposes another beam indication method. It should be noted that the beam indication method of the disclosed embodiments can be executed by a terminal device.
  • FIG. 7 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam pointing method may include the following steps 701 to 703.
  • Step 701 Receive second signaling sent by the network device.
  • the second signaling is used to indicate the correspondence between the activation code point and the TCI status/status group.
  • Step 702 Receive the first signaling sent by the network device.
  • the activation code point indicated in the second signaling includes a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • Step 703 When the first signaling includes multiple second indication fields and the activation code point indicated by at least one second indication field is determined to be the second activation code point based on the corresponding relationship of the second signaling indication, according to the first The TCI status/status group corresponding to the two activation code points determines the TCI status/status group of the TRP associated with at least one second indication domain.
  • each second indication field has an associated relationship with the TRP, and the activation code point corresponding to each second indication field is queried for the corresponding relationship of the second signaling indication to determine the activation code point corresponding to each second indication field.
  • the code point is a first activation code point or a second activation code point.
  • each second activation code point corresponds to a TCI status/status. group, according to a TCI status/status group corresponding to the second activation code point, the second indication field corresponding to the TCI status/status group can be determined.
  • each second indication domain has an associated relationship with the TRP
  • the second indication field corresponding to the TCI status/status group can be determined.
  • the one TCI status/status group has an association relationship with the TRP associated with the second indication field corresponding to the one TCI status/status group. Therefore, the disclosure can be based on the TRP corresponding to the second indication domain corresponding to the one TCI status/status group.
  • the associated TRP queries the above association relationship to determine the TCI status/status group of the TRP associated with the second indication domain corresponding to the one TCI status/status group.
  • each second indication domain has an associated relationship with the TRP, and the activation code point corresponding to each second indication domain is queried for the corresponding relationship of the second signaling indication to determine the corresponding activation code point of each second indication domain.
  • the activation code point is the first activation code point or the second activation code point.
  • each second activation code point indicated by each second indication field corresponds to a TCI status/ Status group
  • the second activation code point corresponds to a TCI status/status group
  • the TRP associated with the corresponding second indication domain has an association relationship, so that the disclosure can be based on the TCI status/status group and the corresponding second
  • the TRP associated with the indication domain queries the above association relationship to determine the TCI status/status group of the TRP associated with the second indication domain corresponding to the one TCI status/status group.
  • step 701 can be implemented in any manner according to the embodiments of the present disclosure, and the details of the embodiments of the present disclosure will not be repeated.
  • the activation code point indicated by at least one second indication field is the second activation code point based on the correspondence relationship of the second signaling indication
  • the TCI status/status group of the TRP associated with at least one second indication domain thereby effectively determining at least one second indication based on the TCI status/status group corresponding to the second activation code point indicated by the at least one second indication domain TCI status/status group of the TRP associated with the domain.
  • the present disclosure proposes another beam indication method.
  • FIG. 8 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam pointing method may include the following steps 801 and 802.
  • Step 801 Receive the second signaling and the first signaling sent by the network device.
  • the second signaling is used to indicate the correspondence between the activation code point and the TCI status/status group.
  • Step 802 Switch the terminal device from multi-TRP to single TRP according to the first signaling and the second signaling.
  • the activation code point indicated by the second signaling includes a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • a first indication field is included in the first signaling, and the activation code point in the first indication field is determined to be the second activation code point based on the corresponding relationship of the second signaling indication.
  • the terminal device is switched from multi-TRP to single TRP based on the first switching information associated with the second activation code point.
  • a first indication field is included in the first signaling, and the activation code point in the first indication field is determined to be the second activation code based on the corresponding relationship of the second signaling indication.
  • the terminal device is switched from multi-TRP to single TRP based on the second switching information carried in the first signaling.
  • a first indication field is included in the first signaling, and the activation code point in the first indication field is determined to be the second activation code based on the corresponding relationship of the second signaling indication. point, based on the second value carried in the first signaling Switch information to switch the terminal device from multiple TRP to single TRP.
  • the switching strategy corresponding to certain conditions switches the terminal device from multiple TRP to single TRP.
  • the terminal device is switched from the multi-TRP to the single TRP according to the first signaling and the second signaling. Therefore, according to the first signaling and the second signaling
  • the second signaling can switch the terminal device from multiple TRPs to a single TRP.
  • the TCI status/status group of one TRP set among multiple TRPs adopted by the terminal device can also be implemented. To this end, this Another beam pointing method is disclosed.
  • Figure 9 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam pointing method may include the following steps 901 to 902.
  • Step 901 Receive the second signaling and the first signaling sent by the network device.
  • the second signaling is used to indicate the correspondence between the activation code point and the TCI status/status group.
  • Step 902 Update the TCI status/status group of one TRP among multiple TRPs used by the terminal device according to the first signaling and the second signaling.
  • the activation code point indicated by the second signaling includes a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • a first indication field is included in the first signaling, and the activation code point in the first indication field is determined to be the second activation code point based on the corresponding relationship of the second signaling indication.
  • the TCI status/status group of one TRP among the multiple TRPs used by the terminal device is updated according to the TCI status/status group corresponding to the second activation code point.
  • a first indication field is included in the first signaling, and the activation code point in the first indication field is determined to be the second activation code based on the corresponding relationship of the second signaling indication.
  • the TCI status/status group of one TRP among the multiple TRPs adopted by the terminal device is updated.
  • a first indication field is included in the first signaling, and the activation code point in the first indication field is determined to be the second activation code based on the corresponding relationship of the second signaling indication.
  • the TCI status/status group of one TRP among the multiple TRPs adopted by the terminal device is updated.
  • the update strategy corresponding to the specified conditions is used to update the TCI status/status group of one TRP among the multiple TRPs used by the terminal device.
  • the TCI status/status group of one TRP set among multiple TRPs adopted by the terminal device can be updated.
  • DCI format 1_1/1_2 with data scheduling.
  • This DCI contains a TCI field used to indicate the TCI status/status group of single or multiple TRPs; the other is DCI format 1_1/1_2 without data scheduling.
  • This DCI contains two TCI fields, each field is used to indicate the TCI status/status group of a TRP.
  • a MAC-CE signaling (second signaling) is used to activate the TCI state/state group, as shown in Table 1. It is assumed that each MAC-CE activates N code points (activation code points), and the first N/ 2 code points, each code point is associated with one or more TCI status/status groups; the last N/2 code points are associated with a TCI status/status group.
  • each bracket in Table 1 represents a TCI status/status group. If the joint TCI mode is used, each TRP uses the same TCI status for uplink and downlink, so only one TCI status needs to be indicated. If independent uplink and downlink mode is adopted, each TRP adopts different TCI states for uplink and downlink, so two TCI states, that is, TCI state groups, need to be indicated. In this embodiment, it is assumed that the joint TCI mode is adopted, so that each bracket contains only one TCI state.
  • the communication system predefines the following correspondence: Assume that MAC-CE activates N code points, and the first N/2 of them correspond to the code points of the TCI domain in the DCI format 1_1/1_2 of data scheduling; The last N/2 code points correspond to the code points of each TCI domain in the DCI format 1_1/1_2 without data scheduling.
  • N 8 when DCI format 1_1/1_2 with data scheduling is used for indication, there is only one TCI domain.
  • the code point value in the TCI domain corresponds to P1-P4 of the MAC-CE code point.
  • the base station indicates TCI_4 and TCI_11 to the terminal device, which are used for the transmission of the two TRPs respectively.
  • DCI format 1_1/1_2 without data scheduling is used for indication, it includes two TCI domains, and the code point value of each TCI domain corresponds to P5-P8 of the MAC-CE code point.
  • the base station indicates TCI_3 and TCI_8 to the terminal, which are used for the transmission of two TRPs respectively.
  • DCI format 1_1/1_2 with data scheduling.
  • This DCI contains a TCI field used to indicate the TCI status/status group of single or multiple TRPs; the other is DCI format 1_1/1_2 without data scheduling.
  • This DCI contains two TCI fields, each field is used to indicate the TCI status/status group of a TRP.
  • a MAC-CE signaling is used to activate the TCI state/state group, as shown in Table 2.
  • the above two DCIs select code points from the TCI status/status group activated in this signaling for TCI status indication.
  • Each bracket in Table 2 represents a TCI status/status group.
  • DCI format 1_1/1_2 without data scheduling both correspond to all code points in MAC-CE activation signaling.
  • a code point corresponding to a TCI domain in DCI format 1_1/1_2 without data scheduling is associated with two TCI states/status groups, only one of the TCI states/status groups takes effect.
  • TCI domain When using DCI format 1_1/1_2 with data scheduling for indication, there is only one TCI domain. Assuming that the code point in this TCI domain corresponds to P2, the base station indicates TCI_4 and TCI_11 to the terminal, which are used for the transmission of two TRPs respectively. When indicating using DCI format 1_1/1_2 without data scheduling, two TCI domains are included. Assume that the code point in the first TCI field corresponds to P6, which is associated with two TCI states TCI_7 and TCI_9; the code point in the second TCI field corresponds to P8, which is associated with two TCI states TCI_10 and TCI_17.
  • the communication system predefines that only the first TCI state (TCI_7) in the first TCI domain takes effect, and only the second TCI state (TCI_17) in the second TCI domain takes effect. Then the base station indicates TCI_7 and TCI_17 to the terminal device, which are used for the transmission of two TRPs respectively.
  • the communication system predefines the effective TCI status of each TCI domain to be the TCI status of the same TRP associated with this TCI domain.
  • DCI format 1_1/1_2 with data scheduling.
  • This DCI contains a TCI field that indicates the TCI status/status group of a single or multiple TRPs.
  • the other is DCI format 1_1/1_2 without data scheduling.
  • This DCI contains two TCI fields, each field is used to indicate the TCI status/status group of a TRP.
  • each MAC-CE signaling is associated with one format of DCI.
  • the first MAC-CE signaling is associated with DCI format 1_1/1_2 with data scheduling, and each code point in the first MAC-CE signaling may correspond to one or more TCI states/state groups.
  • the code points in DCI format 1_1/1_2 with data scheduling correspond to the code points in the first MAC-CE signaling.
  • the second MAC-CE signaling is associated with DCI format 1_1/1_2 without data scheduling. Each code point in the second MAC-CE signaling can only correspond to one TCI status/status group.
  • each TCI domain in 1_1/1_2 correspond to the code points in the second MAC-CE signaling.
  • the MAC-CE signaling contains an indication of the first MAC-CE or the second MAC-CE information, so that the terminal device can determine the TCI status/status group according to the above corresponding relationship.
  • DCI format 1_1/1_2 with data scheduling.
  • This DCI contains a TCI domain, using Used to indicate TCI status/status group of single or multiple TRPs; the other is DCI format 1_1/1_2 without data scheduling.
  • This DCI contains two TCI fields, each field is used to indicate the TCI status/status group of a TRP.
  • each MAC-CE signaling is associated with a TRP.
  • each code point of MAC-CE signaling can only correspond to one TCI state/state group.
  • the first MAC-CE signaling is associated with the first TRP
  • the second MAC-CE signaling is associated with the second TRP.
  • Each code point of the TCI domain in DCI format 1_1/1_2 without data scheduling corresponds to a code point in MAC-CE signaling.
  • the TCI domain associated with the same TRP may correspond to MAC-CE signaling.
  • the bits in this domain are divided into two parts, each part corresponding to a code point in MAC-CE signaling.
  • the bit sequence "0111” can be split into two parts.
  • the first two bits “01” are the first part, corresponding to a code point in MAC-CE signaling, and the last two bits "11” are the second part. Corresponds to another code point in MAC-CE signaling.
  • DCI format 1_1/1_2 with data scheduling.
  • This DCI contains a TCI domain to indicate the TCI status/status group of single or multiple TRPs; the other is DCI format 1_1/ without data scheduling. 1_2.
  • This DCI contains two TCI fields, each field is used to indicate the TCI status/status group of a TRP.
  • each MAC-CE activates N code points, the first N/2 of which correspond to the code points of the TCI domain in the DCI format 1_1/1_2 of data scheduling, and each code point is associated with one or more TCI states/states group; the last N/2 code points correspond to the code points of each TCI domain in the DCI format 1_1/1_2 without data scheduling, and each code point is associated with a TCI status/status group.
  • the bits in this field are divided into two parts.
  • the first part is used to select one of the two MAC-CE signalings, and the second part is used to determine the first N/2 code points in this MAC-CE signaling, thereby indicating one or more TCI status/status Group.
  • the specific manner in which the TCI domain is associated with one of the two MAC-CE signalings is as described in the above embodiment, and will not be described again.
  • the code point of MAC-CE when the code point of MAC-CE corresponds to a TCI status/status group, it can mean switching multiple TRPs to a single TRP, or it can mean updating only one of them in a multi-TRP scenario. TCI status of TRP.
  • indication information can be added for each code point to distinguish TCI update or sTRP/mTRP switching.
  • One way is to add new fields, as shown in Table 4,
  • the system predefines the meaning of the bit information in this field.
  • "00” means sTRP/mTRP switching
  • "01” means updating the TCI status/status group of the first TRP
  • "10” means updating the TCI status/status group of the second TRP.
  • Another implementation method is not to add a new indication field, but to expand the number of bits of the original indication field, thereby adding indication information.
  • Another implementation method is to instruct in DCI format 1_1/1_2 to switch multiple TRPs to a single TRP, or instruct only to update the TCI status of one TRP in a multi-TRP scenario. For example, as shown in Table 5, add a DCI domain,
  • the system predefines the meaning of the bit information in this field.
  • "00” means sTRP/mTRP switching
  • "01” means updating the TCI status/status group of the first TRP
  • "10” means updating the TCI status/status group of the second TRP.
  • the indication field does not need to be added, and the judgment is made based on the bit value of each TCI field. For example, when the values of the two TCI fields are different and are valid values, it indicates mTRP transmission; when the values of the two TCI fields are the same and are valid values, it indicates sTRP transmission; when one TCI in the two TCI fields If the value of the field is invalid and the value of the other TCI field is valid, it means updating the status of one of the TCIs.
  • the above examples all use multiple TRPs consisting of two TRPs.
  • the present disclosure can also be used for multiple TRPs consisting of more than two TRPs.
  • the DCI may contain more than two TCI domains.
  • One code point in MAC-CE can correspond to more than two TCI states/state groups. The remaining methods are the same and will not be described again in this disclosure.
  • the beam indication method in the embodiment of the present disclosure receives the first signaling sent by the network device; in the case where the first signaling includes a first indication field, at least one TCI status/status group is determined based on a first indication domain. ; In the case where the first signaling includes multiple second indication fields, a TCI status/status group is determined according to each second indication domain, where the TCI status is used to indicate a type of beam, and the TCI status group is used to indicate A beam group.
  • Each of the above beam indication methods is executed by the terminal device, and the present disclosure also proposes a beam indication method executed by the network device.
  • Figure 10 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
  • the beam indication method may include the following steps: Step 1001, sending first signaling to the terminal device.
  • the first signaling includes a first indication field for the terminal device to determine at least one TCI status/status group according to a first indication field; or the first signaling includes a plurality of second indication fields for The terminal device determines a TCI status/status group of a TRP based on each second indication field.
  • the first signaling may include one first indication field or multiple second indication fields.
  • the first signaling may include a first indication field (eg, TCI indication field), and at least one TCI state/state group may be determined according to the first indication field.
  • TCI indication field eg, TCI indication field
  • each TCI state can be used to represent a type of beam
  • each TCI state group can be used to represent a type of beam group.
  • the terminal device determines at least one TCI status/status group based on a first indication domain; in the first signaling
  • the terminal device determines a TCI status/status group based on each second indication domain, where the TCI status is used to indicate a type of beam, and the TCI status group is used to indicate a type of beam. Group.
  • Beam indication reduces the complexity of the communication system and signaling indication overhead.
  • the beam indication method also includes: sending second signaling to the terminal device; wherein the second signaling is used to indicate the correspondence between the activation code point and the TCI status/TCI status group ;
  • a first indication domain used for the terminal device to determine at least one TCI status/TCI status group corresponding to the activation code point in the first indication domain according to the corresponding relationship of the second signaling indication;
  • each second indication domain The terminal device is configured to determine a TCI state/TCI state group corresponding to the activation code point in each second indication field according to the corresponding relationship of the second signaling indication.
  • the activation code point indicated by the second signaling includes the first activation code point, and the first activation code point corresponds to multiple TCI states/state groups.
  • each TCI state/state group corresponding to the first activation code point has an association relationship with the TRP, which is used by the terminal device to determine the first indication domain based on the corresponding relationship of the second signaling indication.
  • the TCI status/state of the multiple TRPs is determined based on the multiple TCI states/state groups corresponding to the first activation code point and the TRP associated with each TCI state/state group. status group.
  • each second indication domain has an association relationship with the TRP, which is used by the terminal device to determine that the activation code point indicated by at least one second indication domain is the first based on the corresponding relationship of the second signaling indication.
  • determine an effective TCI state/state group from multiple TCI states/state groups corresponding to the first activation code point; determine at least one second indication domain associated with it based on the effective TCI state/state group. TCI status/status group of the TRP.
  • each TCI status/status group corresponding to the first activation code point is related to the TRP.
  • the association relationship is used when the terminal device determines that the activation code point indicated by at least one second indication field is the first activation code point based on the corresponding relationship of the second signaling indication, from the multiple TCI states corresponding to the first activation code point Determine an effective TCI status/status group in the /status group; determine the TCI status/status group of the TRP associated with the effective TCI status/status group based on the effective TCI status/status group.
  • the effective TCI state/state group is one of the following: among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state that meets the set sorting position group; or among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication domain.
  • the activation code point indicated by the second signaling includes a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • the TCI state/state group corresponding to the second activation code point is used by the terminal device to determine the activation code point indicated by at least one second indication field based on the correspondence relationship of the second signaling indication.
  • the TCI status/status group of at least one TRP associated with the second indication domain is determined based on the TCI status/status group corresponding to the second activation code point.
  • the second activation code point is used to: include a first indication domain in the first signaling, and determine the first indication domain based on the corresponding relationship indicated by the second signaling If the activation code point in is the second activation code point, switch the terminal device from multiple TRPs to the set single TRP; or, include a first indication field in the first signaling, And when it is determined that the activation code point in the first indication domain is the second activation code point based on the corresponding relationship of the second signaling indication, based on the first switching information associated with the second activation code point, the The terminal device switches from multi-TRP to single TRP; or, the first signaling includes a first indication field, and based on the correspondence relationship of the second signaling indication, it is determined that the activation code point in the first indication field is the In the case of a second activation code point, the terminal device is switched from multiple TRPs to a single TRP based on the second switching information carried in the first signaling; or, the first
  • the second activation code point is used to: include a first indication domain in the first signaling, and determine the first indication domain based on the corresponding relationship indicated by the second signaling If the activation code point in is the second activation code point, update the TCI status/status group of one TRP among the multiple TRPs used by the terminal device according to the TCI status/status group corresponding to the second activation code point; or , when the first signaling includes a first indication field, and the activation code point in the first indication field is determined to be the second activation code point based on the corresponding relationship of the second signaling indication, based on the The first update information associated with the second activation code point updates the TCI status/status group of one TRP among the multiple TRPs adopted by the terminal device; or, the first signaling includes a first indication field, And when it is determined that the activation code point in the first indication domain is the second activation code point based on the corresponding relationship of the second signaling indication, the terminal
  • TCI status/status group of one TRP among multiple TRPs alternatively, multiple second indication fields are included in the first signaling, and the second one of the multiple second indication fields is determined based on the corresponding relationship of the second signaling indications.
  • the TCI status/status group of one TRP among the multiple TRPs used by the terminal device is updated based on the update strategy corresponding to the set conditions.
  • the activation code point in the first indication domain It is one of the activation code points of the second signaling indication that has a corresponding relationship with the first indication field; the activation code point in the second indication field is the activation of the second signaling indication that has a corresponding relationship with the second indication field.
  • the corresponding relationship between each second signaling and the first indication domain or the second indication domain is determined in one of the following ways: the second signaling and the The first indication domain or the second indication domain is associated with the same TRP; or, the first signaling carries association indication information, and the association indication information is used to indicate the first indication domain or the third indication domain in the first signaling. 2 indicates the second signaling associated with the domain.
  • the association indication information occupies at least one bit in the first indication field or the second indication field.
  • the first indication field includes at least two code points respectively corresponding to different second signaling indications: wherein any one of the at least two activation code points is activated by The terminal device queries the corresponding relationship indicated by the second signaling corresponding to an activation code point to determine at least one TCI state/TCI state group corresponding to an activation code point.
  • the beam indication method in the embodiment of the present disclosure sends first signaling to the terminal device; when the first signaling includes a first indication field, the terminal device determines at least one TCI status/status based on a first indication field. Group; In the case where the first signaling includes multiple second indication fields, the terminal device determines a TCI status/status group according to each second indication domain, where the TCI status is used to indicate a kind of beam, and the TCI status group Used to indicate a beam group.
  • Beam indication reduces the complexity of the communication system and signaling indication overhead.
  • the present disclosure proposes a terminal device.
  • FIG. 11 is a schematic structural diagram of a terminal device provided by an embodiment of the present disclosure.
  • the terminal device may include: a transceiver 1110, a processor 1120, and a memory 1130.
  • the memory 1130 is used to store computer programs; the transceiver 1110 is used to send and receive data under the control of the processor 1120; the processor 1120 is used to read the computer program in the memory and perform the following operations: receive data sent by the network device First signaling; when the first signaling includes a first indication field, at least one TCI status/status group is determined based on a first indication field; when the first signaling includes a plurality of second indication fields In this case, a TCI status/status group is determined according to each second indication field, where the TCI status is used to indicate a type of beam, and the TCI status group is used to indicate a type of beam group.
  • Transceiver 1110 for receiving and transmitting data under the control of processor 1120.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1120 and various circuits of the memory represented by memory 1130 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are all well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface.
  • the transceiver 1110 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media.
  • the user interface 1140 can also be an interface capable of externally connecting internal and external required equipment.
  • the connected equipment includes but is not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.
  • the processor 1120 is responsible for managing the bus architecture and general processing, and the memory 1130 can store data used by the processor 1120 when performing operations.
  • the processor 1120 can be a CPU, ASIC, FPGA or CPLD, and the processor 1120 can also adopt a multi-core architecture.
  • it also includes: receiving second signaling sent by the network device, the second signaling being used to indicate the corresponding relationship between the activation code point and the TCI status/TCI status group; according to a first indication
  • the domain determines at least one TCI status/state group, including: determining at least one TCI status/TCI status group corresponding to an activation code point in the first indication domain according to the corresponding relationship of the second signaling indication; according to each second indication
  • the domain determines a TCI state/state group, including: determining a TCI state/TCI state group corresponding to the activation code point in each second indication domain according to the correspondence relationship of the second signaling indication.
  • the activation code point indicated by the second signaling includes a first activation code point, and there are multiple TCI states/state groups corresponding to the first activation code point.
  • each TCI state/state group corresponding to the first activation code point has an association relationship with the TRP; according to the corresponding relationship of the second signaling indication, an activation code point in the first indication domain is determined
  • the corresponding at least one TCI state/TCI state group includes: when it is determined that the activation code point in the first indication field is the first activation code point based on the corresponding relationship of the second signaling indication, according to the corresponding first activation code point
  • Multiple TCI states/status groups, and the TRP associated with each TCI state/status group determine the TCI states/status groups of multiple TRPs.
  • each second indication field has an association relationship with the TRP; according to the corresponding relationship of the second signaling indication, a TCI status/TCI corresponding to the activation code point in each second indication field is determined.
  • the state group includes: when it is determined that the activation code point indicated by at least one second indication field is the first activation code point based on the corresponding relationship of the second signaling indication, multiple TCI states/states corresponding to the first activation code point Determine an effective TCI status/status group in the group; determine the TCI status/status group of the TRP associated with at least one second indication domain based on the effective TCI status/status group.
  • each TCI state/state group corresponding to the first activation code point has an associated relationship with the TRP; according to the corresponding relationship of the second signaling indication, the TCI state/state group in each second indication field is determined.
  • a TCI state/TCI state group corresponding to the activation code point including: when it is determined that the activation code point indicated by at least one second indication field is the first activation code point based on the correspondence relationship of the second signaling indication, starting from the first activation code point Determine an effective TCI state/state group among multiple TCI states/state groups corresponding to the code point; determine the TCI state/state group of the TRP associated with the effective TCI state/state group based on the effective TCI state/state group.
  • the effective TCI state/state group is one of the following: among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group that meets the set sorting position; Or, among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication domain.
  • the activation code point indicated by the second signaling includes a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • a TCI state/TCI state group corresponding to the activation code point in each second indication field is determined according to the corresponding relationship of the second signaling indication, including: based on the second signaling indication
  • the TCI of the TRP associated with the at least one second indication domain is determined based on the TCI status/status group corresponding to the second activation code point.
  • Status/StatusGroup is
  • the method further includes: including a first indication field in the first signaling, and determining the activation code point in the first indication field as the second activation code based on the corresponding relationship indicated by the second signaling.
  • the terminal device is switched from multiple TRPs to the set single TRP; or, a first indication field is included in the first signaling, and the first indication field is determined based on the corresponding relationship indicated by the second signaling.
  • the terminal device When the activation code point in the indication field is the second activation code point, the terminal device is switched from the multi-TRP to the single TRP based on the first switching information associated with the second activation code point; or, it is included in the first signaling A first indication field, and when it is determined that the activation code point in the first indication field is the second activation code point based on the corresponding relationship of the second signaling indication, based on the second switching information carried in the first signaling, The terminal device switches from multi-TRP to single TRP; or, the first signaling includes multiple second indication fields, and determines the second activation code point in the multiple second indication fields based on the correspondence relationship of the second signaling indication. If the set conditions are met, the terminal device is switched from multiple TRPs to a single TRP based on the switching strategy corresponding to the set conditions.
  • the method further includes: including a first indication field in the first signaling, and determining the activation code point in the first indication field as the second activation code based on the corresponding relationship indicated by the second signaling.
  • the activation code point in the first indication domain is the same as One of the activation code points indicated by the second signaling that has a corresponding relationship in the first indication field; the activation code point in the second indication field is the activation code point indicated by the second signaling that has a corresponding relationship with the second indication field. one of the.
  • the corresponding relationship between each second signaling and the second indication domain or the second indication domain is determined in one of the following ways: the second signaling and the first indication domain or The second indication domains are associated with the same TRP; or, the first signaling carries association indication information, and the association indication information is used to indicate that the first indication domain or the second indication domain in the first signaling is associated with the second signaling.
  • the association indication information occupies at least one bit in the first indication field or the second indication field.
  • the first indication field includes at least two activation code points respectively corresponding to different second signaling indications: according to the correspondence relationship of the second signaling indications, a first indication field is determined.
  • Activating at least one TCI state/TCI state group corresponding to the activation code point includes: for any one of the at least two activation code points, querying the corresponding relationship indicated by the second signaling corresponding to one activation code point, to Determine at least one TCI status/TCI status group corresponding to an activation code point.
  • terminal device provided by the embodiment of the present disclosure can implement all the method steps implemented in the method embodiments of FIGS. 1 to 9 above, and can achieve the same technical effect. No further explanation will be given here. The same parts and beneficial effects as those in the method embodiment will be described in detail.
  • the present disclosure proposes a network device.
  • Figure 12 is a schematic structural diagram of a network device provided by an embodiment of the present disclosure.
  • the network device may include: a transceiver 1210, a processor 1220, and a memory 1230.
  • the memory 1230 is used to store computer programs; the transceiver 1210 is used to send and receive data under the control of the processor; the processor 1220 is used to read the computer program in the memory and perform the following operations: send the first Signaling; wherein the first signaling includes a first indication domain for the terminal device to determine at least one TCI status/status group based on a first indication domain; or the first signaling includes a plurality of second indication domains , used by the terminal device to determine the TCI status/status group of a TRP based on each second indication field.
  • it also includes: sending a second signaling to the terminal device; wherein the second signaling is used to indicate the correspondence between the activation code point and the TCI status/TCI status group; a third An indication field, used by the terminal device to determine at least one TCI status/TCI status group corresponding to the activation code point in the first indication field according to the corresponding relationship of the second signaling indication; each second indication field is used by the terminal The device determines a TCI state/TCI state group corresponding to the activation code point in each second indication field according to the corresponding relationship of the second signaling indication.
  • the activation code point indicated by the second signaling includes the first activation code point, and the first activation code point corresponds to multiple TCI states/state groups.
  • each TCI state/state group corresponding to the first activation code point has an association relationship with the TRP, which is used by the terminal device to determine the first indication domain based on the corresponding relationship of the second signaling indication.
  • the TCI of the multiple TRPs is determined based on the multiple TCI states/state groups corresponding to the first activation code point and the TRP associated with each TCI state/state group.
  • Status/StatusGroup is the first activation code point.
  • each second indication domain has an associated relationship with the TRP, which is used by the terminal device based on
  • the corresponding relationship of the second signaling indication determines that the activation code point indicated by at least one second indication field is the first activation code point
  • Status/status group determine the TCI status/status group of the TRP associated with at least one second indication domain based on the effective TCI status/status group.
  • each TCI state/state group corresponding to the first activation code point has an association relationship with the TRP, which is used by the terminal device to determine at least one second indication based on the corresponding relationship of the second signaling indication.
  • an effective TCI state/state group is determined from the multiple TCI states/state groups corresponding to the first activation code point; based on the effective TCI state/state group, determine The TCI status/status group of the TRP associated with the effective TCI status/status group.
  • the effective TCI state/state group is one of the following: among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state that meets the set sorting position group; or, among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication domain.
  • the activation code point indicated by the second signaling includes a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • the TCI state/state group corresponding to the second activation code point is used by the terminal device to determine the activation code point indicated by at least one second indication field based on the correspondence relationship of the second signaling indication.
  • the TCI status/status group of at least one TRP associated with the second indication domain is determined based on the TCI status/status group corresponding to the second activation code point.
  • the second activation code point is used to: include a first indication domain in the first signaling, and determine the first indication domain based on the corresponding relationship indicated by the second signaling
  • switch the terminal device from multiple TRPs to the set single TRP or, include a first indication field in the first signaling, and based on the second
  • the terminal device is switched from multi-TRP to single-TRP based on the first switching information associated with the second activation code point.
  • the terminal device switches the terminal device from multiple TRPs to a single TRP; or, the first signaling includes multiple second indication fields, and multiple second indication fields are determined based on the corresponding relationship of the second signaling indications.
  • the terminal device is switched from multiple TRPs to a single TRP based on the switching policy corresponding to the set conditions.
  • the second activation code point is used to: include a first indication field in the first signaling, and determine the first indication field in the first indication field based on the corresponding relationship of the second signaling indication.
  • the activation code point is the second activation code point
  • the TCI status/status group of one of the multiple TRPs used by the terminal device is updated according to the TCI status/status group corresponding to the second activation code point; or, in the first
  • the signaling includes a first indication field
  • the activation code point in the first indication field is determined to be the second activation code point based on the correspondence relationship of the second signaling indication
  • the first activation code point associated with the second activation code point is determined based on the correspondence relationship of the second signaling indication.
  • Update information update the TCI status/status group of one TRP among the multiple TRPs used by the terminal device; or include a first indication field in the first signaling, and determine the first indication based on the corresponding relationship of the second signaling indication
  • the activation code point in the domain is the second activation code point
  • update the TCI status/status group of one TRP among the multiple TRPs used by the terminal device or, in When the first signaling includes a plurality of second indication fields, and the second activation code points in the plurality of second indication fields meet the setting conditions, based on the update policy corresponding to the setting conditions, the multiplexing codes adopted by the terminal device are updated. TCI status/status group of one TRP in each TRP.
  • the activation code in the first indication domain A point is one of the activation code points of the second signaling indication that has a corresponding relationship with the first indication field;
  • the activation code point in the second indication field is a second signaling indication that has a corresponding relationship with the second indication field.
  • the corresponding relationship between each second signaling and the first indication domain or the second indication domain is determined in one of the following ways: the second signaling and the first indication
  • the same TRP is associated with the first indication domain or the second indication domain; or, the first signaling carries association indication information, and the association indication information is used to indicate the first indication domain or the second indication domain in the first signaling.
  • the association indication information is used to indicate the first indication domain or the second indication domain in the first signaling.
  • Associated second signaling is associated with the first indication domain or the second indication domain.
  • the association indication information occupies at least one bit in the first indication field or the second indication field.
  • the first indication field includes at least two code points respectively corresponding to different second signaling indications; wherein any one of the at least two activation code points is activated by
  • the terminal device queries the corresponding relationship indicated by the second signaling corresponding to an activation code point to determine at least one TCI state/TCI state group corresponding to an activation code point.
  • terminal device provided by the embodiment of the present disclosure can implement all the method steps implemented by the method embodiment in Figure 10 and can achieve the same technical effect.
  • the implementation of the method in this embodiment will no longer be carried out.
  • the same parts and beneficial effects will be described in detail.
  • the present disclosure also provides a beam indication device. Since the beam indication device provided by the embodiments of the present disclosure is different from the beam indication method provided by the above embodiments of FIGS. 1 to 9 The method corresponds to the method, so the implementation of the beam indicating method is also applicable to the beam indicating device provided in the embodiment of the present disclosure, and will not be described in detail in the embodiment of the present disclosure. narrate.
  • Figure 13 is a schematic structural diagram of a beam pointing device provided by an embodiment of the present disclosure. It should be noted that the beam pointing device can be applied to terminal equipment.
  • the beam pointing device 1300 includes: a receiving module 1310 and a processing module 1320.
  • the first receiving module 1310 is used to receive the first signaling sent by the network device; the processing module 1320 is used to determine at least one based on a first indication field when the first signaling includes a first indication field.
  • a TCI status/status group when the first signaling includes multiple second indication fields, a TCI status/status group is determined based on each second indication field.
  • the receiving module 1310 is used to receive the second signaling sent by the network device, and the second signaling is used to indicate the correspondence between the activation code point and the TCI status/TCI status group;
  • the processing module 1320 is used to determine at least one TCI status/TCI status group corresponding to the activation code point in the first indication domain according to the corresponding relationship of the second signaling indication; the processing module 1320 is used to: according to the second signaling The corresponding relationship of the indication determines a TCI status/TCI status group corresponding to the activation code point in each second indication field.
  • the activation code point indicated by the second signaling includes the first activation code point, and the first activation code point corresponds to multiple TCI states/state groups.
  • each TCI state/state group corresponding to the first activation code point has an associated relationship with the TRP; the processing module 1320 is also used to: based on the corresponding relationship indicated by the second signaling When it is determined that the activation code point in the first indication field is the first activation code point, based on multiple TCI states/state groups corresponding to the first activation code point and the TRP associated with each TCI state/state group, Determine TCI status/status group for multiple TRPs.
  • each second indication domain has an associated relationship with the TRP; the processing module 1320 is also configured to: determine the activation of at least one second indication domain indication based on the corresponding relationship of the second signaling indication.
  • the code point is the first activation code point
  • an effective TCI state/state group is determined from multiple TCI states/state groups corresponding to the first activation code point; at least one second TCI state/state group is determined based on the effective TCI state/state group. Indicates the TCI status/status group of the TRP associated with the domain.
  • each TCI state/state group corresponding to the first activation code point has an association relationship with the TRP; the processing module 1320 is also configured to: determine at least one based on the corresponding relationship indicated by the second signaling When the activation code point indicated by a second indication field is the first activation code point, an effective TCI state/state group is determined from multiple TCI states/state groups corresponding to the first activation code point; according to the effective TCI state/ Status group, determines the TCI status/status group of the TRP associated with the effective TCI status/status group.
  • the effective TCI state/state group is one of the following: among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state that meets the set sorting position group; or, among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication domain.
  • the activation code point indicated by the second signaling includes a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • the processing module 1320 is also configured to determine that at least one activation code point indicated by the second indication field is a second activation code point based on the corresponding relationship of the second signaling indication. Next, determine the TCI state/state group of the TRP associated with at least one second indication domain according to the TCI state/state group corresponding to the second activation code point.
  • the beam indicating device 1300 further includes: a switching module.
  • the switching module is configured to include a first indication field in the first signaling, and when it is determined that the activation code point in the first indication field is the second activation code point based on the corresponding relationship of the second signaling indication,
  • the terminal device switches from multiple TRPs to the set single TRP; or, a first indication field is included in the first signaling, and the activation code point in the first indication field is determined to be the first indication field based on the corresponding relationship of the second signaling indication.
  • the terminal device In the case of two activation code points, the terminal device is switched from multi-TRP to single TRP based on the first switching information associated with the second activation code point; or, a first indication field is included in the first signaling, and based on the first switching information
  • the terminal device is switched from multi-TRP to single TRP based on the second switching information carried in the first signaling.
  • the first signaling includes a plurality of second indication fields
  • the beam indicating device 1300 further includes: an update module.
  • the update module is configured to include a first indication field in the first signaling, and determine that the activation code point in the first indication field is the second activation code point based on the corresponding relationship of the second signaling indication.
  • the TCI status/status group of one TRP among the multiple TRPs adopted by the device or, include a first indication field in the first signaling, and determine the activation code in the first indication field based on the corresponding relationship of the second signaling indication.
  • the point is the second activation code point
  • Update the TCI status/status group of one TRP among multiple TRPs used by the terminal device or include multiple second indication fields in the first signaling, and determine the multiple second indications based on the correspondence between the second signaling indications.
  • the TCI status/status group of one TRP among the multiple TRPs used by the terminal device is updated based on the update policy corresponding to the set conditions.
  • the activation code in the first indication domain A point is one of the activation code points of the second signaling indication that has a corresponding relationship with the first indication field;
  • the activation code point in the second indication field is a second signaling indication that has a corresponding relationship with the second indication field.
  • the corresponding relationship between each second signaling and the first indication domain or the second indication domain is determined in one of the following ways: the second signaling and the first indication The same TRP is associated with the domain or the second indication domain; or, the first signaling carries association indication information, and the association indication information is used to indicate that the first indication domain or the second indication domain in the first signaling is associated with the second signaling.
  • the association indication information occupies at least one bit in the first indication field or the second indication field.
  • the first indication field includes at least two activation code points respectively corresponding to different second signaling indications; the processing module 1320 is also configured to: for at least two activation code points For any activation code point, query the corresponding relationship indicated by the second signaling corresponding to the activation code point to determine at least one TCI state/TCI state group corresponding to the activation code point.
  • the beam indicating device provided by the embodiment of the present disclosure can implement all the method steps implemented in the method embodiments of FIGS. 1 to 9 above, and can achieve the same technical effect. This embodiment will no longer be discussed here. The same parts and beneficial effects as those in the method embodiments will be described in detail.
  • the present disclosure also provides a beam indicating device. Since the beam indicating device provided by the embodiment of the present disclosure corresponds to the beam indicating method provided by the above-mentioned embodiment of FIG. 10, in The implementation of the beam pointing method is also applicable to the beam pointing device provided in the embodiment of the present disclosure, and will not be described in detail in the embodiment of the present disclosure.
  • Figure 14 is a schematic structural diagram of a beam pointing device provided by an embodiment of the present disclosure. It should be noted that the beam pointing device can be applied to network equipment.
  • the beam pointing device 1400 includes: a sending module 1410.
  • the sending module 1410 is used to send the first signaling to the terminal device; wherein the first signaling includes a first indication field for the terminal device to determine at least one TCI status/status group according to the first indication field; Alternatively, the first signaling includes multiple second indication fields for the terminal device to determine a TCI status/status group based on each second indication domain, where the TCI status is used to indicate a type of beam, and the TCI status group is used to Indicates a beam group.
  • the sending module 1410 is also used to send second signaling to the terminal device; wherein the second signaling is used to indicate the correspondence between the activation code point and the TCI status/TCI status group Relationship; a first indication field, used by the terminal device to determine at least one TCI status/TCI status group corresponding to the activation code point in the first indication domain according to the corresponding relationship of the second signaling indication; each second indication field , used by the terminal device to determine a TCI state/TCI state group corresponding to the activation code point in each second indication field according to the corresponding relationship of the second signaling indication.
  • the activation code point indicated by the second signaling includes the first activation code point, and the first activation code point corresponds to multiple TCI states/state groups.
  • each TCI state/state group corresponding to the first activation code point has an association relationship with the TRP, which is used by the terminal device to determine the first indication domain based on the corresponding relationship of the second signaling indication.
  • the TCI status/state of the multiple TRPs is determined based on the multiple TCI states/state groups corresponding to the first activation code point and the TRP associated with each TCI state/state group. status group.
  • each second indication domain has an association relationship with the TRP, which is used by the terminal device to determine that the activation code point indicated by at least one second indication domain is the first based on the corresponding relationship of the second signaling indication.
  • determine an effective TCI state/state group from multiple TCI states/state groups corresponding to the first activation code point; determine at least one second indication domain associated with it based on the effective TCI state/state group. TCI status/status group of the TRP.
  • each TCI state/state group corresponding to the first activation code point has an association relationship with the TRP, which is used by the terminal device to determine at least one second indication based on the corresponding relationship of the second signaling indication.
  • an effective TCI state/state group is determined from the multiple TCI states/state groups corresponding to the first activation code point; based on the effective TCI state/state group, determine The TCI status/status group of the TRP associated with the effective TCI status/status group.
  • the effective TCI state/state group is one of the following: among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state that meets the set sorting position group; or, among the multiple TCI states/state groups corresponding to the first activation code point, the TCI state/state group associated with the TRP is the same as the TRP associated with the second indication domain.
  • the activation code point indicated by the second signaling includes a second activation code point, and the second activation code point corresponds to one TCI state/state group.
  • the TCI state/state group corresponding to the second activation code point is used by the terminal device to determine the activation code point indicated by at least one second indication field based on the correspondence relationship of the second signaling indication.
  • the TCI status/status group of at least one TRP associated with the second indication domain is determined based on the TCI status/status group corresponding to the second activation code point.
  • the second activation code point is used to: include a first indication field in the first signaling, and determine the first indication field in the first indication field based on the corresponding relationship of the second signaling indication.
  • the activation code point is the second activation code point
  • the corresponding relationship determines that the activation code point in the first indication field is the second activation code point
  • the first signaling includes a first indication field
  • the activation code point in the first indication field is determined to be the second activation code point based on the corresponding relationship of the second signaling indication, based on the first signaling
  • the second switching information carried in the first signaling switches the terminal device from multiple TRPs to a single TRP; or
  • the second activation code point is used to: include a first indication field in the first signaling, and determine the first indication field in the first indication field based on the corresponding relationship of the second signaling indication.
  • the activation code point is the second activation code point, update the TCI status/status group of one TRP among the multiple TRPs used by the terminal device according to the TCI status/status group corresponding to the second activation code point; or, in If the first signaling includes a first indication field, and the activation code point in the first indication field is determined to be the second activation code point based on the correspondence relationship of the second signaling indication, based on the second activation
  • the first update information associated with the code point updates the TCI status/status group of one TRP among the multiple TRPs used by the terminal device; or, a first indication field is included in the first signaling, and the TCI status/status group is based on the second signaling indication.
  • the TCI status of one TRP among the multiple TRPs adopted by the terminal device is updated/ Status group; or, when the first signaling includes multiple second indication fields, and it is determined based on the correspondence between the second signaling indications that the second activation code points in the multiple second indication fields meet the setting conditions. , based on the update strategy corresponding to the set conditions, update the TCI status/status group of one TRP among the multiple TRPs used by the terminal device.
  • the activation code point in the first indication domain It is one of the activation code points of the second signaling indication that has a corresponding relationship with the first indication field; the activation code point in the second indication field is the activation of the second signaling indication that has a corresponding relationship with the second indication field.
  • the corresponding relationship between each second signaling and the first indication domain or the second indication domain is determined in one of the following ways: the second signaling and the first indication The same TRP is associated with the first indication domain or the second indication domain; or, the first signaling carries association indication information, and the association indication information is used to indicate that the first indication domain or the second indication domain in the first signaling is associated with Second signaling.
  • the association indication information occupies at least one bit in the first indication field or the second indication field.
  • the first indication field includes at least two code points respectively corresponding to different second signaling indications; wherein any one of the at least two activation code points is activated by
  • the terminal device queries the corresponding relationship indicated by the second signaling corresponding to the one activation code point to determine at least one TCI state/TCI state group corresponding to one activation code point.
  • the beam indicating device provided by the embodiment of the present disclosure can implement all the method steps implemented by the method embodiment in Figure 10 and can achieve the same technical effect.
  • the method in this embodiment will no longer be discussed here.
  • the same parts and beneficial effects of the embodiments will be described in detail.
  • each functional unit in various embodiments of the present disclosure can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit.
  • the above integrated units can be implemented in the form of hardware or software functional units.
  • the integrated unit may be stored in a processor-readable storage medium if it is implemented in the form of a software functional unit and sold or used as an independent product.
  • the technical solution of the present disclosure is essentially or contributes to the existing technology, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to cause a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods of various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk, etc., which can store program code. medium.
  • the present disclosure also proposes a processor-readable storage medium.
  • the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the figures of the present disclosure.
  • the processor-readable storage medium may be any available media or data storage device that the processor can access, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memories (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)), etc.
  • magnetic storage such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.
  • optical storage such as CD, DVD, BD, HVD, etc.
  • semiconductor memories such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)
  • the present disclosure also proposes a processor-readable storage medium.
  • the processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the beam pointing method described in the embodiment of FIG. 10 of the present disclosure.
  • the processor-readable storage medium may be any available media or data storage device that the processor can access, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)), etc.
  • magnetic storage such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.
  • optical storage such as CD, DVD, BD, HVD, etc.
  • semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid state drive (SSD)
  • embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment that combines software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) embodying computer-usable program code therein.
  • a computer-usable storage media including, but not limited to, magnetic disk storage, optical storage, and the like
  • processor-executable instructions may also be stored in a processor-readable memory that causes a computer or other programmable data processing apparatus to operate in a particular manner, such that the generation of instructions stored in the processor-readable memory includes the manufacture of the instruction means product, the instruction device implements the function specified in one process or multiple processes in the flow chart and/or one block or multiple blocks in the block diagram.
  • processor-executable instructions may also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce computer-implemented processing, thereby causing the computer or other programmable device to
  • the instructions that are executed provide steps for implementing the functions specified in a process or processes of the flowchart diagrams and/or a block or blocks of the block diagrams.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente divulgation se rapporte au domaine technique des communications sans fil. L'invention concerne un procédé et un appareil d'indication de faisceau, ainsi qu'un dispositif associé. Le procédé consiste à : recevoir une première signalisation, qui est envoyée par un dispositif de réseau ; lorsque la première signalisation comprend un premier domaine d'indication, déterminer au moins un état TCI/groupe d'états TCI selon le premier domaine d'indication ; et lorsque la première signalisation comprend une pluralité de seconds domaines d'indication, déterminer un état TCI/groupe d'états TCI selon chaque second domaine d'indication, l'état TCI étant utilisé pour indiquer un type d'un faisceau et le groupe d'états TCI étant utilisé pour indiquer un type d'un groupe de faisceaux.
PCT/CN2023/109922 2022-08-09 2023-07-28 Procédé et appareil d'indication de faisceau et dispositif associé WO2024032391A1 (fr)

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