WO2022068907A1 - 波束信息指示、获取方法、装置、终端及网络侧设备 - Google Patents
波束信息指示、获取方法、装置、终端及网络侧设备 Download PDFInfo
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- WO2022068907A1 WO2022068907A1 PCT/CN2021/121844 CN2021121844W WO2022068907A1 WO 2022068907 A1 WO2022068907 A1 WO 2022068907A1 CN 2021121844 W CN2021121844 W CN 2021121844W WO 2022068907 A1 WO2022068907 A1 WO 2022068907A1
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- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
Definitions
- the present invention relates to the field of communication technologies, and in particular, to a beam information indication and acquisition method, device, terminal and network side equipment.
- the network can make beam indications for downlink and uplink channels or reference signals for establishing beam links between the network and user equipment (User Equipment, UE, also known as terminal) UE , to realize the transmission of channel or reference signal.
- UE User Equipment
- the beam indication mechanisms for various channels and reference signals are not the same, and more control signaling is required, resulting in a larger signaling overhead.
- the embodiments of the present application provide a beam information indication and acquisition method, apparatus, terminal, and network side equipment, which can solve the problem that in the related art, the beam indication mechanisms for various channels and reference signals are not the same, and more control information is required. order, resulting in the problem of large signaling overhead.
- a method for acquiring beam information which is applied to a terminal, and the method includes:
- first indication information where the first indication information is used to indicate beam information of at least two terminals.
- an apparatus for acquiring beam information which is applied to a terminal, and the apparatus includes:
- the first obtaining module is configured to obtain first indication information, where the first indication information is used to indicate beam information of at least two terminals.
- a beam information indicating device method which is applied to a network side device, and the method includes:
- Send first indication information where the first indication information is used to indicate beam information of at least two terminals.
- an apparatus for indicating beam information which is applied to a network side device, and the apparatus includes:
- the first sending module is configured to send first indication information, where the first indication information is used to indicate beam information of at least two terminals.
- a terminal in a fifth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
- a network side device in a sixth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the third aspect when executed.
- a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect, or the The steps of the method described in the third aspect.
- a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect , or implement the method described in the third aspect.
- the beam information of at least two terminals is indicated by the first indication information, so that the purpose of indicating a common beam to at least two terminals by the first indication information can be achieved, and when the number of terminals is large, the number of terminals can be reduced. Signaling overhead.
- FIG. 1 is a structural diagram of a network system to which an embodiment of the present application can be applied;
- FIG. 2 shows a schematic flowchart of a method for acquiring beam information applied to a terminal according to an embodiment of the present application
- FIG. 3 is a schematic flowchart of a beam information indication method applied to a network device side according to an embodiment of the present application
- FIG. 4 shows a schematic block diagram of a beam information acquisition apparatus applied to a terminal according to an embodiment of the present application
- FIG. 5 shows a structural block diagram of a communication device according to an embodiment of the present application
- FIG. 6 shows a structural block diagram of a terminal according to an embodiment of the present application.
- FIG. 7 is a schematic diagram of a module of an apparatus for obtaining beam information applied to a network device side according to an embodiment of the present application
- FIG. 8 shows a structural block diagram of a network side device according to an embodiment of the present application.
- first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
- the first object may be one or multiple.
- “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced
- LTE-A Long Term Evolution-Advanced
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-carrier Frequency-Division Multiple Access
- system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
- NR New Radio
- the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th Generation , 6G) communication system.
- 6th generation 6th Generation
- FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
- the wireless communication system includes a terminal 11 and a network-side device 12 .
- the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc.
- PDA Personal Digital Assistant
- the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
- the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
- the network can make beam indications for downlink and uplink channels or reference signals, which are used to establish beam links between the network and the terminal UE to realize channel or reference signal transmission.
- RRC Radio Resource Control
- TCI state Transmission Configuration Indication state
- MAC CE Medium Access Control Element
- the UE monitors the PDCCH it uses the same Quasi-Colocation (QCL) for all search spaces (Search Spaces) in the CORESET, that is, uses the same TCI state to monitor the PDCCH.
- QCL Quasi-Colocation
- the reference signal (Reference Signal, RS) in the TCI state such as periodic channel state information reference signal resource (Channel State Information Reference Signal resource, CSI-RS), semi-persistent CSI-RS resource, synchronization signal (Synchronic Signal Block, SSB) ), etc., and the terminal physical downlink control channel specific demodulation reference signal (Physical Downlink Control Channel-specific Demodulation Reference Signal, UE-specific PDCCH DMRS) port is spatial QCL.
- the UE can know which receive beam to use to receive the PDCCH according to the TCI state.
- the network configures M TCI states through RRC signaling, and then uses the MAC CE command to activate 2N TCI states, and then uses the Downlink Control Information (Downlink Control Information) , DCI) N TCI bit fields (N-bit TCI field) to notify the TCI state, the reference signal in the TCI state and the demodulation reference signal (Demodulation Reference Signal, DMRS) port of the PDSCH to be scheduled are QCL.
- the UE can know which receive beam to use to receive the PDSCH according to the TCI state.
- the network configures QCL information for the CSI-RS resources through RRC signaling.
- the network indicates its QCL information when activating a CSI-RS resource from the CSI-RS resource set configured by RRC through the MAC CE command.
- the CSI-RS type is aperiodic CSI-RS, the network configures QCL for CSI-RS resources through RRC signaling, and uses DCI to trigger CSI-RS.
- the network uses RRC signaling to configure the spatial relationship information for each PUCCH resource through the physical uplink control channel spatial relationship information (PUCCH-Spatial RelationInfo).
- PUCCH-Spatial RelationInfo Physical uplink control channel spatial relationship information
- the spatial relationship information of the PUCCH resource configuration includes multiple pieces, use the MAC-CE to indicate or activate one of the parameter spatial relationship information.
- no additional MACCE command is required.
- the spatial relationship information of PUSCH is the uplink scheduling request indication field (Scheduling Request Indication field, SRI field) in the DCI when the DCI carried by the PDCCH schedules the PUSCH.
- SRI field the uplink scheduling request indication field
- Each SRI point (code point) of the SRI indicates an SRI, and the SRI is used to indicate the spatial relationship information of the PUSCH.
- the network configures spatial relationship information for the SRS resources through RRC signaling.
- the SRS type is semi-persistent SRS
- the network activates one from a set of spatial relationship information configured by RRC through a MAC CE command.
- the SRS type is aperiodic SRS
- the network configures the spatial relationship information for the SRS resources through RRC signaling, and can also use the MAC CE command to update the spatial relationship information of the aperiodic SRS resources.
- the multi-TRP scenario was introduced.
- the transmission method of control information it can be divided into DCI single transmission and DCI multiple transmission.
- the former is to send DCI in one TRP to schedule data transmission on multiple TRPs
- the latter is DCI is allowed to be sent at multiple TRPs to separately schedule data transmissions on the respective TRPs.
- control resource set pool index (CORESET Pool Index)
- the UE assumes that the reference information in the QCL information of the PDSCH DMRS port and the PDCCH with the lowest value of the control resource set pool index (CORESET with lowest index) configured with the same control resource set pool index value is QCL
- the above CORESET with lowest index is the CORESET with lowest index in the CORESET that the UE needs to monitor corresponding to the respective CORESET Pool Index value in the latest time slot (latest slot).
- the latest slot refers to the activation of the broadband part (Bandwidth Part, BWP) in the serving cell, and there is at least one CORESET time slot associated with the corresponding CORESET Pool Index.
- CORESET with lowest index is CORESET with lowest index in CORESET that UE needs to monitor in the latest slot, and CORESET with lowest index is the same as CORESET Pool Index. It doesn't matter.
- the UE assumes that the PDSCH DMRS port uses the QCL parameters of the preset TCI state. That is, in the TCI state for PDSCH activation, the TCI state corresponding to the lowest code point (lowest code point) is selected from TCI code points including two different TCI states.
- the beam information mentioned may also be referred to as: spatial relation information, spatial domain transmission filter information, spatial filter information, and transmission configuration indication status (TCI state) information, quasi-co-location (QCL) information, or QCL parameters, etc.
- the downlink beam information can usually be represented by TCI state information or QCL information.
- Uplink beam information can usually be represented by spatial relation information.
- Antenna panels mentioned may also be referred to as: Antenna Group, Antenna Port Group, Antenna Set, Antenna Port Set, Beam Set, Beam Subset, Antenna Array, Antenna Port Array, Antenna Subarray, Antenna Port Subarray, Logic entity, entity, or antenna entity, etc.
- the identification of the Panel may be: an identification of an antenna panel, a reference signal resource identification, a reference signal resource set identification, a TCI state identification, a QCL information identification, a spatial relationship identification, and the like.
- an embodiment of the present application provides a beam information acquisition method, which is applied to a terminal and includes:
- Step 201 Obtain first indication information, where the first indication information is used to indicate beam information of at least two terminals.
- the above-mentioned first indication information may perform common beam indication for at least two terminals.
- the communication link between the network and the terminal can usually use a single beam mode, that is, the beam directions of the control channel, data channel, and reference signal are basically the same.
- the indication information is used for common beam indication, and it is not necessary to perform beam indication for each channel and reference signal separately. That is, the present application can perform common beam indication in the case of a large number of terminals, thereby reducing signaling overhead and ensuring flexibility and robustness of beam indication.
- the beam information of at least two terminals is indicated by the first indication information, so that the purpose of indicating a common beam to at least two terminals by the first indication information can be achieved, and when the number of terminals is large, , which can reduce signaling overhead.
- the first indication information is used to indicate beam information of a terminal group, and the terminal group includes the at least two terminals.
- multiple terminals may be grouped, and then the beam information of the terminal group may be indicated through the first indication information, so as to achieve the purpose of saving control signaling overhead.
- the beam information acquisition method further includes:
- the second indication information is used to indicate grouping information of the terminal group
- the second indication information includes the identification of the terminal group, or the second indication information includes the identification of the terminal group and the identification of each terminal in the terminal group.
- the network side equipment indicates the terminal grouping, which is based on the synchronization signal/physical broadcast channel signal block (Synchronization Signal and PBCH block, SSB) resource indicator (Resource Indicator, RI)/CSI-RS resource in the beam report (beam report) of each terminal Indication (CSI-RS resource indicator, CRI) and other information, that is, according to the beam information carried in the beam report, the terminals with the same or similar beam information or even less inter-beam interference can be grouped into a group.
- the acquiring the second indication information includes: acquiring the second indication information through MAC CE signaling or DCI signaling.
- the UE grouping method may be to use RRC signaling, MAC CE signaling or DCI signaling to indicate the terminal grouping information to the terminal, wherein the second indication information can carry the identification (UE ID) information of the terminal, such as the cell radio of the UE.
- Network Temporary Identifier Cell Radio Network Temporary Identifier, C-RNTI
- the first indication information includes at least one of the following:
- the identifier of at least one terminal and the beam information corresponding to the identifier of each terminal are identical to the identifier of each terminal.
- the first indication information is the identifier of the terminal group and one beam information
- all the terminals use the same beam information
- the first indication information is the identifier of at least one terminal and one beam information
- these terminals use the same one beam information
- the first indication information is the identity of a terminal and the corresponding beam information
- other terminals in the group use the beam information of the terminal;
- each terminal uses its own beam information.
- the obtaining the first indication information includes:
- the first indication information is acquired through the medium access layer control unit MAC CE signaling.
- the beam information acquisition method further includes:
- the third indication information is used to indicate downlink channel resources for transmitting the MAC CE signaling.
- the method further includes:
- the HARQ-ACK information is acknowledged by sending the hybrid automatic repeat request of the first indication information.
- the UE that indicates the beam information in the MAC CE sends the HARQ-ACK information of the MAC CE to the network, and the HARQ-ACK information includes ACK and Negative Acknowledgement (Negative Acknowledgement, NACK).
- NACK Negative Acknowledgement
- the transmission resource of the HARQ-ACK information is determined by at least one of the following:
- the first transmission time is the transmission time of the third indication information, the transmission time of the downlink channel resource or the transmission time of the MAC CE signaling, for example, the preset time information
- the corresponding time is the preset time, then the first transmission time is used as the reference time, and the resource after the above-mentioned preset time is delayed on the basis of the first transmission time is the transmission resource of the HARQ-ACK information, and the unit of the above-mentioned preset time can be is a symbol or a time slot, etc.;
- the third information includes at least one of the following:
- the third indication information is carried by the physical downlink control channel PDCCH.
- the information indicating the uplink resource in the PDCCH for scheduling the downlink channel resource such as the PUCCH resource indication, and the timing information of the uplink resource ; or information indicating uplink resources in the MAC CE, such as PUCCH resource indication, and timing information of uplink resources, etc.
- the method further includes:
- the beam information indicated by the first indication information and the current beam information are used for transmission with the network.
- the network side receives the ACK from the UE, it uses the indicated beam information for transmission with the UE; if the network receives the NACK from the UE or does not receive the HARQ-ACK information from the UE, the network uses the original beam information for transmission with the UE.
- the UE uses the indicated beam information or uses the original beam and the indicated beam to communicate with the network; if the UE sends a NACK, the UE uses the original beam to communicate with the network.
- the downlink channel resource is a physical downlink shared channel PDSCH.
- the third indication information is carried by the physical downlink control channel PDCCH, that is, the PDSCH is the PDSCH scheduled by the physical downlink control channel PDCCH.
- the PDCCH is a group common PDCCH, or the PDCCH is a dedicated PDCCH.
- the downlink channel resource corresponds to at least one transmission configuration indicating a TCI state, or each of the downlink channel resources corresponds to at least one terminal.
- the beam information acquisition method further includes:
- the PDCCH is received according to the first wireless network temporary identifier RNTI.
- the beam information acquisition method further includes:
- the PDSCH is received according to the second RNTI.
- the PDSCH is scheduled using the PDCCH
- the MAC CE is carried on the PDSCH
- the PDCCH used for scheduling downlink channel resources uses the first RNTI, which is used by the UEs in the UE group to receive the PDCCH.
- the PDSCH may be sent to each UE by using one or more TCI states, or the PDSCH may be multiple PDSCHs sent to each UE respectively.
- the beam information acquisition method further includes:
- the fourth indication information is used to indicate the first information corresponding to the TCI status information of each of the terminals on the MAC CE signaling;
- the first information includes at least one of the following:
- the network side indicates to the UE the TCI field corresponding to the respective TCI state information on the MAC CE command, and information such as the size of the MAC CE command.
- another MAC CE can be used to update the TCI field of the MAC CE command and the size of the MAC CE command to each UE, so that each UE can obtain the correct interpretation of the MAC CE. information.
- first information corresponding to the TCI state information of the terminal in each of the fourth indication information is obtained respectively.
- the interpretation modes of the fields of the common beams of the uplink and the downlink of each UE may be independent of each other.
- the size of the MAC CE signaling is related to the number of terminals corresponding to the indicated beam information.
- the second information indicated by the MAC CE signaling includes any of the following:
- the other terminals refer to terminals other than the second terminal in the terminal group.
- the information in the MAC CE includes: The beam information of each UE in the UE group, or the beam information of each UE newly added to the UE group.
- the medium access layer control unit MAC CE is used to indicate the common beam scheme of the terminal group. After the terminals are grouped, the MAC CE is used to indicate a common beam to the terminals in the group, thereby saving control signaling overhead and ensuring the flexibility and robustness of the beam indication.
- an embodiment of the present application further provides a beam information indication method, which is applied to a network side device, including:
- Step 301 Send first indication information, where the first indication information is used to indicate beam information of at least two terminals.
- the above-mentioned first indication information may perform common beam indication for at least two terminals.
- the communication link between the network and the terminal can usually use a single beam mode, that is, the beam directions of the control channel, data channel, and reference signal are basically the same.
- the indication information is used for common beam indication, and it is not necessary to perform beam indication for each channel and reference signal separately. That is, the present application can perform common beam indication in the case of a large number of terminals, thereby reducing signaling overhead and ensuring flexibility and robustness of beam indication.
- the beam information of at least two terminals is indicated by the first indication information, so that the purpose of performing a common beam indication for at least two terminals by the first indication information can be achieved. , which can reduce signaling overhead.
- the first indication information is used to indicate beam information of a terminal group, and the terminal group includes the at least two terminals.
- multiple terminals may be grouped, and then the beam information of the terminal group may be indicated through the first indication information, so as to achieve the purpose of saving control signaling overhead.
- the beam information indication method further includes:
- the second indication information includes an identifier of a terminal group, or the second indication information includes an identifier of the terminal group and an identifier of each terminal in the terminal group.
- the network side equipment indicates the terminal grouping, which is based on the synchronization signal/physical broadcast channel signal block (Synchronization Signal and PBCH block, SSB) resource indicator (Resource Indicator, RI)/CSI-RS resource in the beam report (beam report) of each terminal Indication (CSI-RS resource indicator, CRI) and other information, that is, according to the beam information carried in the beam report, the terminals with the same or similar beam information or even less inter-beam interference can be grouped into a group.
- the acquiring the second indication information includes: acquiring the second indication information through MAC CE signaling or DCI signaling.
- the UE grouping method may be to use RRC signaling, MAC CE signaling or DCI signaling to indicate the terminal grouping information to the terminal, wherein the second indication information can carry the identification (UE ID) information of the terminal, such as the cell radio of the UE.
- Network Temporary Identifier Cell Radio Network Temporary Identifier, C-RNTI
- the beam information indication method further includes:
- the similarity of the beam information means that the difference between the spatial reception parameter values of different beam information is smaller than a preset threshold.
- the first indication information includes at least one of the following:
- the identifier of at least one terminal and the beam information corresponding to the identifier of each terminal are identical to the identifier of each terminal.
- the first indication information is the identifier of the terminal group and one beam information
- all the terminals use the same beam information
- the first indication information is the identifier of at least one terminal and one beam information
- these terminals use the same one beam information
- the first indication information is the identification of a terminal and the corresponding beam information
- other terminals in the group use the beam information of this terminal;
- each terminal uses its own beam information.
- the sending the first indication information includes:
- the first indication information is sent through the medium access layer control unit MAC CE signaling.
- the way of UE grouping is that the network uses MAC CE command or DCI signaling, and carries UE ID information in the indication information, such as UE's Cell-Radio Network Temporary Identifier (C-RNTI).
- C-RNTI Cell-Radio Network Temporary Identifier
- the beam information indication method further includes:
- Send third indication information where the third indication information is used to indicate downlink channel resources for transmitting the MAC CE signaling.
- the beam information indication method in this embodiment of the present application further includes:
- the HARQ-ACK information is acknowledged by receiving the HARQ-ACK request of the first indication information.
- the UE that indicates the beam information in the MAC CE sends the HARQ-ACK information of the MAC CE to the network, and the HARQ-ACK information includes ACK and NACK.
- the transmission resource of the HARQ-ACK information is indicated by at least one of the following:
- the first transmission time is the transmission time of the third indication information, the transmission time of the downlink channel resource or the transmission time of the MAC CE signaling, for example, the preset time information
- the corresponding time is the preset time, then the first transmission time is used as the reference time, and the resource after the above-mentioned preset time is delayed on the basis of the first transmission time is the transmission resource of the HARQ-ACK information, and the unit of the above-mentioned preset time can be is a symbol or a time slot, etc.;
- the third information includes at least one of the following:
- the third indication information is carried by the physical downlink control channel PDCCH.
- the downlink channel resource is PDSCH
- information indicating uplink resources in the PDCCH scheduling downlink channel resources such as PUCCH resource indication and uplink resource timing information ; or information indicating uplink resources in the MAC CE, such as PUCCH resource indication, and timing information of uplink resources, etc.
- the method further includes:
- the network side uses the indicated beam information to transmit with the UE; if the network receives the negative acknowledgement (Negative Acknowledgement, NACK) from the UE or does not receive the HARQ-ACK information from the UE, the network uses the original beam information. Beam information and UE transmission.
- NACK Negative Acknowledgement
- the UE uses the indicated beam information or uses the original beam and the indicated beam to communicate with the network; if the UE sends a NACK, the UE uses the original beam to communicate with the network.
- the downlink channel resource is a physical downlink shared channel PDSCH.
- the third indication information is carried by the physical downlink control channel PDCCH, that is, the PDSCH is the PDSCH scheduled by the physical downlink control channel PDCCH.
- the PDCCH is a group common PDCCH, or the PDCCH is a dedicated PDCCH.
- the downlink channel resource corresponds to at least one transmission configuration indicating a TCI state, or each of the downlink channel resources corresponds to at least one terminal.
- the beam information indication method further includes:
- the PDCCH is sent using the first RNTI.
- the beam information indication method further includes:
- the PDSCH is transmitted using the second RNTI.
- the PDSCH is scheduled using the PDCCH, and the MAC CE is carried on the PDSCH, and the PDCCH used for scheduling downlink channel resources uses the first RNTI, which is used by the UEs in the UE group to receive the PDCCH.
- the PDSCH may be sent to each UE by using one or more TCI states, or the PDSCH may be multiple PDSCHs sent to each UE respectively.
- the beam information indication method further includes:
- fourth indication information is used to indicate the first information corresponding to the TCI status information of each of the terminals on the MAC CE signaling
- the first information includes at least one of the following:
- the network side indicates to the UE the TCI field corresponding to the respective TCI state information on the MAC CE command, and information such as the size of the MAC CE command.
- another MAC CE can be used to update the information such as the TCI field of the MAC CE command and the size of the MAC CE command to each UE, so that each UE can obtain the correct interpretation of the MAC CE.
- Information can be used to update the information such as the TCI field of the MAC CE command and the size of the MAC CE command to each UE, so that each UE can obtain the correct interpretation of the MAC CE.
- the interpretation modes of the fields of the common beams of the uplink and the downlink of each UE may be independent of each other.
- the size of the MAC CE signaling is related to the number of terminals corresponding to the indicated beam information.
- the second information indicated by the MAC CE signaling includes any of the following:
- the other terminals refer to terminals other than the second terminal in the terminal group.
- the information in the MAC CE includes: The beam information of each UE in the UE group, or the beam information of each UE newly added to the UE group.
- the preset condition for sending the MAC CE signaling includes any of the following:
- the current time is the transmission time of the downlink channel resource.
- the information in the MAC CE includes: The beam information of each UE in the UE group, or the beam information of each UE newly added to the UE group.
- information indicating uplink resources in PDCCH scheduling downlink channel resources such as PUCCH resource indication, and timing information of uplink resources
- information indicating uplink resources in MAC CE such as PUCCH resource indication, and timing information of uplink resources Wait.
- the method further includes:
- the network side receives the ACK from the UE, it uses the indicated beam information for transmission with the UE; if the network receives the NACK from the UE or does not receive the HARQ-ACK information from the UE, the network uses the original beam information for transmission with the UE.
- the UE uses the indicated beam information or uses the original beam and the indicated beam to communicate with the network; if the UE sends a NACK, the UE uses the original beam to communicate with the network.
- the medium access layer control unit MAC CE is used to indicate the common beam scheme of the terminal group. After the terminals are grouped, the MAC CE is used to indicate a common beam to the terminals in the group, thereby saving control signaling overhead and ensuring the flexibility and robustness of the beam indication.
- an embodiment of the present application also provides a beam information acquisition apparatus 400, which is applied to a terminal, including:
- the first obtaining module 401 is configured to obtain first indication information, where the first indication information is used to indicate beam information of at least two terminals.
- the above-mentioned first indication information may perform common beam indication for at least two terminals.
- the communication link between the network and the terminal can usually use a single beam mode, that is, the beam directions of the control channel, data channel, and reference signal are basically the same.
- the indication information is used for common beam indication, and it is not necessary to perform beam indication for each channel and reference signal separately. That is, the present application can perform common beam indication in the case of a large number of terminals, thereby reducing signaling overhead and ensuring flexibility and robustness of beam indication.
- the beam information of at least two terminals is indicated by the first indication information, so that the purpose of performing a common beam indication on at least two terminals by the first indication information can be achieved, and when the number of terminals is large, , which can reduce signaling overhead.
- the first indication information is used to indicate beam information of a terminal group, and the terminal group includes the at least two terminals.
- multiple terminals may be grouped, and then the beam information of the terminal group may be indicated through the first indication information, so as to achieve the purpose of saving control signaling overhead.
- the beam information acquisition device further includes:
- a second obtaining module configured to obtain second indication information, where the second indication information is used to indicate grouping information of the terminal group
- the second indication information includes the identification of the terminal group, or the second indication information includes the identification of the terminal group and the identification of each terminal in the terminal group.
- the network side equipment indicates the terminal grouping, which is based on the synchronization signal/physical broadcast channel signal block (Synchronization Signal and PBCH block, SSB) resource indicator (Resource Indicator, RI)/CSI-RS resource in the beam report (beam report) of each terminal Indication (CSI-RS resource indicator, CRI) and other information, that is, according to the beam information carried in the beam report, the terminals with the same or similar beam information or even less inter-beam interference can be grouped into a group.
- the acquiring the second indication information includes: acquiring the second indication information through MAC CE signaling or DCI signaling.
- the UE grouping method may be to use RRC signaling, MAC CE signaling or DCI signaling to indicate the terminal grouping information to the terminal, wherein the second indication information can carry the identification (UE ID) information of the terminal, such as the cell radio of the UE.
- Network Temporary Identifier Cell Radio Network Temporary Identifier, C-RNTI
- the first indication information includes at least one of the following:
- the identifier of at least one terminal and the beam information corresponding to the identifier of each terminal are identical to the identifier of each terminal.
- the first indication information is the identifier of the terminal group and one beam information
- all the terminals use the same beam information
- the first indication information is the identifier of at least one terminal and one beam information
- these terminals use the same one beam information
- the first indication information is the identity of a terminal and the corresponding beam information
- other terminals in the group use the beam information of the terminal;
- each terminal uses its own beam information.
- the first acquisition module includes:
- the first obtaining sub-module is configured to obtain the first indication information through the medium access layer control unit MAC CE signaling.
- the beam information acquisition device further includes:
- the third obtaining module is configured to obtain third indication information, where the third indication information is used to indicate downlink channel resources for transmitting the MAC CE signaling.
- the beam information acquisition device further includes:
- the second sending module is configured to send the HARQ-ACK information of the hybrid automatic repeat request acknowledgement of the first indication information.
- the transmission resource of the HARQ-ACK information is determined by at least one of the following:
- the first transmission time and preset time information, the first transmission time is the transmission time of the third indication information, the transmission time of the downlink channel resource or the transmission time of the MAC CE signaling;
- the third information includes at least one of the following:
- the device in the embodiment of the present application further includes:
- a transmission module used for the second sending module to transmit the HARQ-ACK information by using the beam information indicated by the first indication information to transmit with the network after the HARQ-ACK information is sent by the second transmission module; or, using the current beam
- the information is transmitted to the network; or, the beam information indicated by the first indication information and the current beam information are used to transmit the information to the network.
- the downlink channel resource is a physical downlink shared channel PDSCH.
- the third indication information is carried through a physical downlink control channel PDCCH.
- the PDCCH is a group common PDCCH, or the PDCCH is a dedicated PDCCH.
- the downlink channel resource corresponds to at least one transmission configuration indicating a TCI state, or each of the downlink channel resources corresponds to at least one terminal.
- the beam information acquisition device further includes:
- the first receiving module is configured to receive the PDCCH according to the first wireless network temporary identifier RNTI.
- the beam information acquisition device further includes:
- the second receiving module is configured to receive the PDSCH according to the second RNTI.
- the PDSCH is scheduled using the PDCCH, and the MAC CE is carried on the PDSCH, and the PDCCH used for scheduling downlink channel resources uses the first RNTI, which is used by the UEs in the UE group to receive the PDCCH.
- the PDSCH may be sent to each UE by using one or more TCI states, or the PDSCH may be multiple PDSCHs sent to each UE respectively.
- the beam information acquisition device further includes:
- a fourth obtaining module configured to obtain fourth indication information, where the fourth indication information is used to indicate the first information corresponding to the TCI status information of each of the terminals on the MAC CE signaling;
- the first information includes at least one of the following:
- the network side indicates to the UE the TCI field corresponding to the respective TCI state information on the MAC CE command, and information such as the size of the MAC CE command.
- another MAC CE can be used to update the information such as the TCI field of the MAC CE command and the size of the MAC CE command to each UE, so that each UE can obtain the correct interpretation of the MAC CE.
- Information can be used to update the information such as the TCI field of the MAC CE command and the size of the MAC CE command to each UE, so that each UE can obtain the correct interpretation of the MAC CE.
- first information corresponding to the TCI state information of the terminal in each of the fourth indication information is obtained respectively.
- the interpretation modes of the fields of the common beams of the uplink and the downlink of each UE may be independent of each other.
- the size of the MAC CE signaling is related to the number of terminals corresponding to the indicated beam information.
- the second information indicated by the MAC CE signaling includes any of the following:
- the other terminals refer to terminals other than the second terminal in the terminal group.
- the information in the MAC CE includes: The beam information of each UE in the UE group, or the beam information of each UE newly added to the UE group.
- the apparatus for obtaining beam information in the embodiment of the present application uses the medium access layer control unit MAC CE to indicate the common beam scheme of the terminal group. After the terminals are grouped, the MAC CE is used to indicate a common beam to the terminals in the group, thereby saving control signaling overhead and ensuring the flexibility and robustness of the beam indication.
- the apparatus for acquiring beam information in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
- the device may be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
- the apparatus for acquiring beam information in this embodiment of the present application may be an apparatus having an operating system.
- the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
- the apparatus for obtaining beam information provided in this embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
- an embodiment of the present application further provides a communication device 500, including a processor 501, a memory 502, a program or instruction stored in the memory 502 and executable on the processor 501,
- a communication device 500 including a processor 501, a memory 502, a program or instruction stored in the memory 502 and executable on the processor 501
- the communication device 500 is a terminal
- the program or instruction is executed by the processor 501
- each process of the above embodiments of the method for obtaining beam information applied to the terminal can be implemented, and the same technical effect can be achieved.
- the communication device 500 is a network-side device
- the program or instruction is executed by the processor 501
- each process of the above-mentioned embodiment of the beam information acquisition method applied to the network device can be realized, and the same technical effect can be achieved. In order to avoid repetition, here No longer.
- FIG. 6 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
- the terminal 600 includes but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 6011, a user input unit 607, an interface unit 608, a memory 609, a processor 610 and other components .
- the terminal 600 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 610 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
- a power source such as a battery
- the terminal structure shown in FIG. 6 does not constitute a limitation on the terminal, and the terminal may include more or less components than the one shown, or some components may be combined, or different components are arranged, which will not be repeated here.
- the input unit 604 may include a graphics processor (Graphics Processing Unit, GPU) 6041 and a microphone 6042. Such as camera) to obtain still pictures or video image data for processing.
- the display unit 606 may include a display panel 6061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 607 includes a touch panel 6071 and other input devices 6072 .
- the touch panel 6071 is also called a touch screen.
- the touch panel 6071 may include two parts, a touch detection device and a touch controller.
- Other input devices 6072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
- the radio frequency unit 601 receives the downlink data from the network side device, and then processes it to the processor 610; in addition, sends the uplink data to the network side device.
- the radio frequency unit 601 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- Memory 609 may be used to store software programs or instructions as well as various data.
- the memory 609 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
- the memory 609 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- ROM Read-Only Memory
- PROM programmable read-only memory
- PROM erasable programmable read-only memory
- Erasable PROM Erasable PROM
- EPROM electrically erasable programmable read-only memory
- EEPROM electrically erasable programmable read-only memory
- flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
- the processor 610 may include one or more processing units; optionally, the processor 610 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 610.
- the radio frequency unit 601 is configured to acquire first indication information, where the first indication information is used to indicate beam information of at least two terminals.
- the beam information of at least two terminals is indicated by the first indication information, so that the purpose of indicating a common beam to at least two terminals by the first indication information can be achieved, and when the number of terminals is large, the number of terminals can be reduced. Signaling overhead.
- the radio frequency unit 601 is also used for:
- the second indication information is used to indicate grouping information of the terminal group
- the second indication information includes the identification of the terminal group, or the second indication information includes the identification of the terminal group and the identification of each terminal in the terminal group.
- the first indication information includes at least one of the following:
- the identifier of at least one terminal and the beam information corresponding to the identifier of each terminal are identical to the identifier of each terminal.
- the radio frequency unit 601 is also used for:
- the first indication information is acquired through the medium access layer control unit MAC CE signaling.
- the radio frequency unit 601 is also used for:
- the third indication information is used to indicate downlink channel resources for transmitting the MAC CE signaling.
- the radio frequency unit 601 is also used for:
- the HARQ-ACK information of the hybrid automatic repeat request of the first indication information is sent to confirm.
- the transmission resource of the HARQ-ACK information is determined by at least one of the following:
- the first transmission time and preset time information, the first transmission time is the transmission time of the third indication information, the transmission time of the downlink channel resource or the transmission time of the MAC CE signaling;
- the third information includes at least one of the following:
- the radio frequency unit 601 is also used for:
- the beam information indicated by the first indication information is used to transmit with the network;
- the downlink channel resource is a physical downlink shared channel PDSCH.
- the downlink channel resource is a physical downlink shared channel PDSCH.
- the PDCCH is a group common PDCCH, or the PDCCH is a dedicated PDCCH.
- the downlink channel resource corresponds to at least one transmission configuration indicating a TCI state, or each of the downlink channel resources corresponds to at least one terminal.
- the radio frequency unit 601 is also used for:
- the PDCCH is received according to the first wireless network temporary identifier RNTI.
- the radio frequency unit 601 is also used for:
- the PDSCH is received according to the second RNTI.
- the radio frequency unit 601 is also used for:
- the fourth indication information is used to indicate the first information corresponding to the TCI status information of each of the terminals on the MAC CE signaling;
- the first information includes at least one of the following:
- the radio frequency unit 601 is also used for:
- first information corresponding to the TCI state information of the terminal in each of the fourth indication information is obtained respectively.
- the size of the MAC CE signaling is related to the number of terminals corresponding to the indicated beam information.
- the second information indicated by the MAC CE signaling includes any of the following:
- the other terminals refer to terminals other than the second terminal in the terminal group.
- the terminal in the embodiment of the present application uses the media access layer control unit MAC CE to indicate the common beam scheme of the terminal group. After the terminals are grouped, the MAC CE is used to indicate a common beam to the terminals in the group, thereby saving control signaling overhead and ensuring the flexibility and robustness of the beam indication.
- the execution subject may be a beam information acquisition apparatus, or a control module in the beam information acquisition apparatus for executing the beam information acquisition method.
- the beam information acquisition apparatus provided by the embodiments of the present application is described by taking the beam information acquisition method performed by the beam information acquisition apparatus as an example.
- an embodiment of the present application further provides a beam information indicating apparatus 700, which is applied to a network side device, including:
- the first sending module 701 is configured to send first indication information, where the first indication information is used to indicate beam information of at least two terminals.
- the beam information of at least two terminals is indicated by the first indication information, so that the purpose of performing a common beam indication for at least two terminals by the first indication information can be achieved. , which can reduce signaling overhead.
- the first indication information is used to indicate beam information of a terminal group, and the terminal group includes the at least two terminals.
- multiple terminals may be grouped, and then the beam information of the terminal group may be indicated through the first indication information, so as to achieve the purpose of saving control signaling overhead.
- the beam information indicating device further includes:
- a second sending module configured to send second indication information, where the second indication information is used to indicate grouping information of the terminal group
- the second indication information includes an identifier of a terminal group, or the second indication information includes an identifier of the terminal group and an identifier of each terminal in the terminal group.
- the acquiring the second indication information includes: acquiring the second indication information through MAC CE signaling or DCI signaling.
- the UE grouping method may be to use RRC signaling, MAC CE signaling or DCI signaling to indicate the terminal grouping information to the terminal, wherein the second indication information can carry the identification (UE ID) information of the terminal, such as the cell radio of the UE.
- Network Temporary Identifier Cell Radio Network Temporary Identifier, C-RNTI
- the beam information indicating device further includes:
- a fifth acquisition module configured to acquire beam information in the beam report of the terminal
- the allocation module is used to allocate terminals with the same or similar beam information to the same terminal group
- the similarity of the beam information means that the difference between the spatial reception parameter values of different beam information is smaller than a preset threshold.
- the first indication information includes at least one of the following:
- the identifier of at least one terminal and the beam information corresponding to the identifier of each terminal are identical to the identifier of each terminal.
- the first sending module includes:
- the first sending submodule is configured to send the first indication information through the medium access layer control unit MAC CE signaling.
- the beam information indicating device further includes:
- the third sending module is configured to send third indication information, where the third indication information is used to indicate downlink channel resources for transmitting the MAC CE signaling.
- the beam information indicating device further includes:
- the third receiving module is configured to receive the HARQ-ACK information of the hybrid automatic repeat request acknowledgement of the first indication information.
- the transmission resource of the HARQ-ACK information is indicated by at least one of the following:
- the first transmission time and preset time information, the first transmission time is the transmission time of the third indication information, the transmission time of the downlink channel resource or the transmission time of the MAC CE signaling;
- the third information includes at least one of the following:
- the third receiving module further includes:
- a transmission submodule used to transmit with the terminal using the indicated beam information
- the downlink channel resource is a physical downlink shared channel PDSCH.
- the PDSCH is a PDSCH scheduled by a physical downlink control channel PDCCH.
- the PDCCH is a group common PDCCH, or the PDCCH is a dedicated PDCCH.
- the downlink channel resource corresponds to at least one transmission configuration indicating a TCI state, or each of the downlink channel resources corresponds to at least one terminal.
- the device further includes:
- the fourth sending module is configured to send the PDCCH by using the first RNTI.
- the device further includes:
- a fifth sending module configured to send the PDSCH by using the second RNTI.
- the PDSCH is scheduled using the PDCCH, and the MAC CE is carried on the PDSCH, and the PDCCH used for scheduling downlink channel resources uses the first RNTI, which is used by the UEs in the UE group to receive the PDCCH.
- the PDSCH may be sent to each UE by using one or more TCI states, or the PDSCH may be multiple PDSCHs sent to each UE respectively.
- the device further includes:
- a sixth sending module configured to send fourth indication information, where the fourth indication information is used to indicate the first information corresponding to the TCI status information of each of the terminals on the MAC CE signaling;
- the first information includes at least one of the following:
- the size of the MAC CE signaling is related to the number of terminals corresponding to the indicated beam information.
- the second information indicated by the MAC CE signaling includes any of the following:
- the other terminals refer to terminals other than the second terminal in the terminal group.
- the information in the MAC CE includes: The beam information of each UE in the UE group, or the beam information of each UE newly added to the UE group.
- the preset condition for sending the MAC CE signaling includes any of the following:
- the current time is the transmission time of the downlink channel resource.
- the beam information indicating device in the embodiment of the present application uses the medium access layer control unit MAC CE to indicate the common beam scheme of the terminal group. After the terminals are grouped, the MAC CE is used to indicate a common beam to the terminals in the group, thereby saving control signaling overhead and ensuring the flexibility and robustness of the beam indication.
- the network device 800 includes: an antenna 801 , a radio frequency device 802 , and a baseband device 803 .
- the antenna 801 is connected to the radio frequency device 802 .
- the radio frequency device 802 receives information through the antenna 801, and sends the received information to the baseband device 803 for processing.
- the baseband device 803 processes the information to be sent and sends it to the radio frequency device 802
- the radio frequency device 802 processes the received information and sends it out through the antenna 801 .
- the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 803 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 803 .
- the baseband apparatus 803 includes a processor 804 and a memory 805 .
- the baseband device 803 may include, for example, at least one baseband board on which multiple chips are arranged. As shown in FIG. 8 , one of the chips is, for example, the processor 804 , which is connected to the memory 805 to call the program in the memory 805 to execute The network devices shown in the above method embodiments operate.
- the baseband device 803 may further include a network interface 806 for exchanging information with the radio frequency device 802, and the interface is, for example, a common public radio interface (CPRI).
- CPRI common public radio interface
- the network-side device in the embodiment of the present invention further includes: instructions or programs stored in the memory 805 and executable on the processor 804, and the processor 804 invokes the instructions or programs in the memory 805 to execute the modules shown in FIG. 7 .
- Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above beam information indication method embodiment is implemented, and can achieve The same technical effect, in order to avoid repetition, will not be repeated here.
- the processor is the processor in the terminal described in the foregoing embodiment.
- the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
- An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above beam information transmission
- the chip includes a processor and a communication interface
- the communication interface is coupled to the processor
- the processor is used to run a network-side device program or instruction to implement the above beam information transmission
- the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
- the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
- the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) execute the methods described in the various embodiments of this application.
- a storage medium such as ROM/RAM, magnetic disk, CD-ROM
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Abstract
Description
Claims (82)
- 一种波束信息获取方法,应用于终端,包括:获取第一指示信息,所述第一指示信息用于指示至少两个终端的波束信息。
- 根据权利要求1所述的方法,其中,所述第一指示信息用于指示终端组的波束信息,所述终端组包括所述至少两个终端。
- 根据权利要求2所述的方法,还包括:获取第二指示信息,所述第二指示信息用于指示所述终端组的分组信息;其中,所述第二指示信息包括终端组的标识,或者,所述第二指示信息包括终端组的标识和所述终端组内每个终端的标识。
- 根据权利要求2所述的方法,其中,所述第一指示信息包括以下至少一项:终端组的标识和一个波束信息;至少一个终端的标识和一个波束信息;一个终端的标识和对应的波束信息;至少一个终端的标识和每个所述终端的标识对应的波束信息。
- 根据权利要求2所述的方法,其中,所述获取第一指示信息,包括:通过媒体接入层控制单元MAC CE信令,获取所述第一指示信息。
- 根据权利要求5所述的方法,还包括:获取第三指示信息,所述第三指示信息用于指示传输所述MAC CE信令的下行信道资源。
- 根据权利要求6所述的方法,其中,所述获取第一指示信息之后,还包括:发送所述第一指示信息的混合自动重传请求确认HARQ-ACK信息。
- 根据权利要求7所述的方法,其中,所述HARQ-ACK信息的传输资源通过以下至少一项确定:所述第三指示信息指示的上行资源的信息;所述MAC CE信令中指示的上行资源的信息;所述第三指示信息指示的上行资源的信息和第三信息;所述MAC CE信令中指示的上行资源的信息和第三信息;第一传输时间和预设时间信息,所述第一传输时间为所述第三指示信息的传输时间、所述下行信道资源的传输时间或MAC CE信令的传输时间;其中,所述第三信息包括以下至少一项:终端的标识;预设时域信息;预设频域信息;预设码域信息。
- 根据权利要求7所述的方法,其中,所述发送所述第一指示信息的混合自动重传请求确认HARQ-ACK信息之后,还包括:使用所述第一指示信息指示的波束信息与网络进行传输;或者,使用当前波束信息与网络进行传输;或者,使用所述第一指示信息指示的波束信息和当前波束信息与网络进行传输。
- 根据权利要求6所述的方法,其中,所述下行信道资源为物理下行共享信道PDSCH。
- 根据权利要求6所述的方法,其中,所述第三指示信息通过物理下行控制信道PDCCH携带。
- 根据权利要求11所述的方法,其中,所述PDCCH为组公共PDCCH,或者,所述PDCCH为专用PDCCH。
- 根据权利要求6所述的方法,其中,所述下行信道资源对应至少一个传输配置指示TCI状态,或者,每个所述下行信道资源对应至少一个终端。
- 根据权利要求11所述的方法,还包括:根据第一无线网络临时标识RNTI,接收所述PDCCH。
- 根据权利要求10所述的方法,还包括:根据第二RNTI,接收所述PDSCH。
- 根据权利要求5所述的方法,还包括:获取第四指示信息,所述第四指示信息用于指示所述MAC CE信令上每个 所述终端的TCI状态信息对应的第一信息;所述第一信息包括以下至少一项:TCI域;TCI状态信息的顺序;TCI状态信息的比特长度;MAC CE信令的大小。
- 根据权利要求16所述的方法,还包括:对于不同发送接收点发送的所述第四指示信息,分别获取每个所述第四指示信息中与所述终端的TCI状态信息对应的第一信息。
- 根据权利要求5所述的方法,其中,所述MAC CE信令的大小与所指示的波束信息对应的终端的数量相关。
- 根据权利要求5所述的方法,其中,所述MAC CE信令指示的第二信息包括以下任一项:更新波束信息的第一终端的波束信息;更新波束信息的第一终端的标识以及波束信息;终端组内各终端的波束信息;终端组内各终端的标识以及波束信息;新加入终端组内的第二终端的波束信息;新加入终端组内的第二终端的标识以及波束信息;新加入终端组内的第二终端与其它各终端的波束信息;新加入终端组内的第二终端与其它各终端的标识以及波束信息;其中,所述其它各终端是指终端组内除所述第二终端之外的终端。
- 一种波束信息指示方法,应用于网络侧设备,包括:发送第一指示信息,所述第一指示信息用于指示至少两个终端的波束信息。
- 根据权利要求20所述的方法,其中,所述第一指示信息用于指示终端组的波束信息,所述终端组包括所述至少两个终端。
- 根据权利要求21所述的方法,还包括:发送第二指示信息,所述第二指示信息用于指示所述终端组的分组信息;所述第二指示信息包括终端组的标识,或者,所述第二指示信息包括终端组的标识和所述终端组内每个终端的标识。
- 根据权利要求22所述的方法,还包括:获取所述终端的波束报告中的波束信息;将波束信息相同或相近的终端,分配至同一个终端组;其中,所述波束信息相近是指不同的波束信息的空间接收参数值之间的差值小于预设阈值。
- 根据权利要求21所述的方法,其中,所述第一指示信息包括以下至少一项:终端组标识和一个波束信息;至少一个终端的标识和一个波束信息;一个终端的标识和对应的波束信息;至少一个终端的标识和每个所述终端的标识对应的波束信息。
- 根据权利要求21所述的方法,其中,所述发送第一指示信息,包括:通过媒体接入层控制单元MAC CE信令,发送所述第一指示信息。
- 根据权利要求25所述的方法,还包括:发送第三指示信息,所述第三指示信息用于指示传输所述MAC CE信令的下行信道资源。
- 根据权利要求28所述的方法,还包括:接收第一指示信息的混合自动重传请求确认HARQ-ACK信息。
- 根据权利要求27所述的方法,其中,通过以下至少一项指示所述HARQ-ACK信息的传输资源:所述第三指示信息指示的上行资源的信息;所述MAC CE信令中指示的上行资源的信息;所述第三指示信息指示的上行资源的信息和第三信息;所述MAC CE信令中指示的上行资源的信息和第三信息;第一传输时间和预设时间信息,所述第一传输时间为所述第三指示信息的传输时间、所述下行信道资源的传输时间或MAC CE信令的传输时间;其中,所述第三信息包括以下至少一项:终端的标识;预设时域信息;预设频域信息;预设码域信息。
- 根据权利要求27所述的方法,其中,所述接收第一指示信息的混合自动重传请求确认HARQ-ACK信息之后,还包括:使用指示的波束信息与终端进行传输;或者,使用当前波束信息与终端进行传输;或者,使用所述第一指示信息指示的波束信息和当前波束信息与终端进行传输。
- 根据权利要求26所述的方法,其中,所述下行信道资源为物理下行共享信道PDSCH。
- 根据权利要求26所述的方法,其中,所述第三指示信息通过物理下行控制信道PDCCH携带。
- 根据权利要求31所述的方法,其中,所述PDCCH为组公共PDCCH,或者,所述PDCCH为专用PDCCH。
- 根据权利要求26所述的方法,其中,所述下行信道资源对应至少一个传输配置指示TCI状态,或者,每个所述下行信道资源对应至少一个终端。
- 根据权利要求31所述的方法,还包括:使用第一RNTI,发送所述PDCCH。
- 根据权利要求30所述的方法,还包括:使用第二RNTI,发送所述PDSCH。
- 根据权利要求25所述的方法,还包括:发送第四指示信息,所述第四指示信息用于指示所述MAC CE信令上每个所述终端的TCI状态信息对应的第一信息;所述第一信息包括以下至少一项:TCI域;TCI状态信息的顺序;TCI状态信息的比特长度;MAC CE信令的大小。
- 根据权利要求25所述的方法,其中,所述MAC CE信令的大小与所指示的波束信息对应的终端的数量相关。
- 根据权利要求25所述的方法,其中,所述MAC CE信令指示的第二信息包括以下任一项:更新波束信息的第一终端的波束信息;更新波束信息的第一终端的标识以及波束信息;终端组内各终端的波束信息;终端组内各终端的标识以及波束信息;新加入终端组内的第二终端的波束信息;新加入终端组内的第二终端的标识以及波束信息;新加入终端组内的第二终端与其它各终端的波束信息;新加入终端组内的第二终端与其它各终端的标识以及波束信息;其中,所述其它各终端是指终端组内除所述第二终端之外的终端。
- 根据权利要求26所述的方法,其中,发送所述MAC CE信令的预设条件包括以下任一项:存在需更新波束信息的第一终端;存在新加入终端组的第二终端;存在退出终端组的第三终端;存在波束信息变化超过预设值的第四终端;当前时间为所述下行信道资源的传输时间。
- 一种波束信息获取装置,应用于终端,包括:第一获取模块,用于获取第一指示信息,所述第一指示信息用于指示至少两个终端的波束信息。
- 根据权利要求40所述的波束信息获取装置,其中,所述第一指示信息用于指示终端组的波束信息,所述终端组包括所述至少两个终端。
- 根据权利要求41所述的波束信息获取装置,还包括:第二获取模块,用于获取第二指示信息,所述第二指示信息用于指示所述终端组的分组信息;其中,所述第二指示信息包括终端组的标识,或者,所述第二指示信息包括终端组的标识和所述终端组内每个终端的标识。
- 根据权利要求41所述的波束信息获取装置,其中,所述第一指示信息包括以下至少一项:终端组的标识和一个波束信息;至少一个终端的标识和一个波束信息;一个终端的标识和对应的波束信息;至少一个终端的标识和每个所述终端的标识对应的波束信息。
- 根据权利要求41所述的波束信息获取装置,其中,所述第一获取模块包括:第一获取子模块,用于通过媒体接入层控制单元MAC CE信令,获取所述第一指示信息。
- 根据权利要求44所述的波束信息获取装置,还包括:第三获取模块,用于获取第三指示信息,所述第三指示信息用于指示传输所述MAC CE信令的下行信道资源。
- 根据权利要求45所述的波束信息获取装置,还包括:第二发送模块,用于发送所述第一指示信息的混合自动重传请求确认HARQ-ACK信息。
- 根据权利要求46所述的波束信息获取装置,其中,所述HARQ-ACK信息的传输资源通过以下至少一项确定:所述第三指示信息指示的上行资源的信息;所述MAC CE信令中指示的上行资源的信息;所述第三指示信息指示的上行资源的信息和第三信息;所述MAC CE信令中指示的上行资源的信息和第三信息;第一传输时间和预设时间信息,所述第一传输时间为所述第三指示信息的传输时间、所述下行信道资源的传输时间或MAC CE信令的传输时间;其中,所述第三信息包括以下至少一项:终端的标识;预设时域信息;预设频域信息;预设码域信息。
- 根据权利要求46所述的波束信息获取装置,还包括:传输模块,用于发送所述第一指示信息的混合自动重传请求确认HARQ-ACK信息之后,使用所述第一指示信息指示的波束信息与网络进行传输;或者,使用当前波束信息与网络进行传输;或者,使用所述第一指示信息指示的波束信息和当前波束信息与网络进行传输。
- 根据权利要求45所述的波束信息获取装置,其中,所述下行信道资源为物理下行共享信道PDSCH。
- 根据权利要求45所述的波束信息获取装置,其中,所述第三指示信息通过物理下行控制信道PDCCH携带。
- 根据权利要求50所述的波束信息获取装置,其中,所述PDCCH为组公共PDCCH,或者,所述PDCCH为专用PDCCH。
- 根据权利要求45所述的波束信息获取装置,其中,所述下行信道资源对应至少一个传输配置指示TCI状态,或者,每个所述下行信道资源对应至少一个终端。
- 根据权利要求50所述的波束信息获取装置,还包括:第一接收模块,用于根据第一无线网络临时标识RNTI,接收所述PDCCH。
- 根据权利要求49所述的波束信息获取装置,还包括:第二接收模块,用于根据第二RNTI,接收所述PDSCH。
- 根据权利要求44所述的波束信息获取装置,还包括:第四获取模块,用于获取第四指示信息,所述第四指示信息用于指示所述MAC CE信令上每个所述终端的TCI状态信息对应的第一信息;所述第一信息包括以下至少一项:TCI域;TCI状态信息的顺序;TCI状态信息的比特长度;MAC CE信令的大小。
- 根据权利要求55所述的波束信息获取装置,其中,第四获取模块还用于,对于不同发送接收点发送的所述第四指示信息,分别获取每个所述第四指示信息中与所述终端的TCI状态信息对应的第一信息。
- 根据权利要求44所述的波束信息获取装置,其中,所述MAC CE信令的大小与所指示的波束信息对应的终端的数量相关。
- 根据权利要求44所述的波束信息获取装置,其中,所述MAC CE信令指示的第二信息包括以下任一项:更新波束信息的第一终端的波束信息;更新波束信息的第一终端的标识以及波束信息;终端组内各终端的波束信息;终端组内各终端的标识以及波束信息;新加入终端组内的第二终端的波束信息;新加入终端组内的第二终端的标识以及波束信息;新加入终端组内的第二终端与其它各终端的波束信息;新加入终端组内的第二终端与其它各终端的标识以及波束信息;其中,所述其它各终端是指终端组内除所述第二终端之外的终端。
- 一种终端,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至19任一项所述的波束信息获取方法的步骤。
- 一种波束信息指示装置,应用于网络侧设备,包括:第一发送模块,用于发送第一指示信息,所述第一指示信息用于指示至少两个终端的波束信息。
- 根据权利要求60所述的波束信息指示装置,其中,所述第一指示信息用于指示终端组的波束信息,所述终端组包括所述至少两个终端。
- 根据权利要求61所述的波束信息指示装置,还包括:第二发送模块,用于发送第二指示信息,所述第二指示信息用于指示所述终端组的分组信息;所述第二指示信息包括终端组的标识,或者,所述第二指示信息包括终 端组的标识和所述终端组内每个终端的标识。
- 根据权利要求62所述的波束信息指示装置,还包括:第五获取模块,用于获取所述终端的波束报告中的波束信息;分配模块,用于将波束信息相同或相近的终端,分配至同一个终端组;其中,所述波束信息相近是指不同的波束信息的空间接收参数值之间的差值小于预设阈值。
- 根据权利要求61所述的波束信息指示装置,其中,所述第一指示信息包括以下至少一项:终端组标识和一个波束信息;至少一个终端的标识和一个波束信息;一个终端的标识和对应的波束信息;至少一个终端的标识和每个所述终端的标识对应的波束信息。
- 根据权利要求61所述的波束信息指示装置,其中,所述第一发送模块,包括:第一发送子模块,用于通过媒体接入层控制单元MAC CE信令,发送所述第一指示信息。
- 根据权利要求65所述的波束信息指示装置,还包括:第三发送模块,用于发送第三指示信息,所述第三指示信息用于指示传输所述MAC CE信令的下行信道资源。
- 根据权利要求68所述的波束信息指示装置,还包括:第三接收模块,用于接收第一指示信息的混合自动重传请求确认HARQ-ACK信息。
- 根据权利要求67所述的波束信息指示装置,其中,通过以下至少一项指示所述HARQ-ACK信息的传输资源:所述第三指示信息指示的上行资源的信息;所述MAC CE信令中指示的上行资源的信息;所述第三指示信息指示的上行资源的信息和第三信息;所述MAC CE信令中指示的上行资源的信息和第三信息;第一传输时间和预设时间信息,所述第一传输时间为所述第三指示信息 的传输时间、所述下行信道资源的传输时间或MAC CE信令的传输时间;其中,所述第三信息包括以下至少一项:终端的标识;预设时域信息;预设频域信息;预设码域信息。
- 根据权利要求67所述的波束信息指示装置,其中,所述第三接收模块,还包括:传输子模块,用于:使用指示的波束信息与终端进行传输;或者,使用当前波束信息与终端进行传输;或者,使用所述第一指示信息指示的波束信息和当前波束信息与终端进行传输。
- 根据权利要求66所述的波束信息指示装置,其中,所述下行信道资源为物理下行共享信道PDSCH。
- 根据权利要求66所述的波束信息指示装置,其中,所述第三指示信息通过物理下行控制信道PDCCH携带。
- 根据权利要求71所述的波束信息指示装置,其中,所述PDCCH为组公共PDCCH,或者,所述PDCCH为专用PDCCH。
- 根据权利要求76所述的波束信息指示装置,其中,所述下行信道资源对应至少一个传输配置指示TCI状态,或者,每个所述下行信道资源对应至少一个终端。
- 根据权利要求71所述的波束信息指示装置,还包括:第四发送模块,用于使用第一RNTI,发送所述PDCCH。
- 根据权利要求70所述的波束信息指示装置,还包括:第五发送模块,用于使用第二RNTI,发送所述PDSCH。
- 根据权利要求65所述的波束信息指示装置,还包括:第六发送模块,用于发送第四指示信息,所述第四指示信息用于指示所述MAC CE信令上每个所述终端的TCI状态信息对应的第一信息;所述第一信息包括以下至少一项:TCI域;TCI状态信息的顺序;TCI状态信息的比特长度;MAC CE信令的大小。
- 根据权利要求65所述的波束信息指示装置,其中,所述MAC CE信令的大小与所指示的波束信息对应的终端的数量相关。
- 根据权利要求65所述的波束信息指示装置,其中,所述MAC CE信令指示的第二信息包括以下任一项:更新波束信息的第一终端的波束信息;更新波束信息的第一终端的标识以及波束信息;终端组内各终端的波束信息;终端组内各终端的标识以及波束信息;新加入终端组内的第二终端的波束信息;新加入终端组内的第二终端的标识以及波束信息;新加入终端组内的第二终端与其它各终端的波束信息;新加入终端组内的第二终端与其它各终端的标识以及波束信息;其中,所述其它各终端是指终端组内除所述第二终端之外的终端。
- 根据权利要求66所述的波束信息指示装置,其中,发送所述MAC CE信令的预设条件包括以下任一项:存在需更新波束信息的第一终端;存在新加入终端组的第二终端;存在退出终端组的第三终端;存在波束信息变化超过预设值的第四终端;当前时间为所述下行信道资源的传输时间。
- 一种网络侧设备,包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求20至39任一项所述的波束信息指示方法的步骤。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被处理器执行时实现如权利要求1至19任一项所述的波束信息获取 方法的步骤,或者实现如权利要求20至39任一项所述的波束信息指示方法的步骤。
- 一种芯片,包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1至19任一项所述的波束信息获取方法的步骤,或者实现如权利要求20至39任一项所述的波束信息指示方法的步骤。
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| CN116996997A (zh) * | 2022-04-24 | 2023-11-03 | 大唐移动通信设备有限公司 | 波束信息传输方法、直通链路传输方法及设备 |
| CN117042132A (zh) * | 2022-04-28 | 2023-11-10 | 华为技术有限公司 | 一种小区波束指示方法及其相关设备 |
| CN117279091A (zh) * | 2022-06-14 | 2023-12-22 | 维沃移动通信有限公司 | 波束指示方法、装置及终端 |
| WO2024168775A1 (zh) * | 2023-02-16 | 2024-08-22 | 富士通株式会社 | 转发器接入链路的波束指示方法及装置 |
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| CN110089044A (zh) * | 2016-11-02 | 2019-08-02 | Idac控股公司 | 基于群组的波束管理 |
| WO2020032862A1 (en) * | 2018-08-10 | 2020-02-13 | Sony Mobile Communications Inc | Multiple beam reception in communication device |
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| WO2018143702A1 (en) * | 2017-02-01 | 2018-08-09 | Samsung Electronics Co., Ltd. | Apparatus and method for beam management in wireless communication systems |
| US10433312B2 (en) * | 2017-02-05 | 2019-10-01 | Lg Electronics Inc. | Method of performing uplink transmission in wireless communication system and apparatus therefor |
| US10651995B2 (en) * | 2017-09-19 | 2020-05-12 | Qualcomm Incorporated | Transmission of group common control information in new radio |
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| CN110089044A (zh) * | 2016-11-02 | 2019-08-02 | Idac控股公司 | 基于群组的波束管理 |
| WO2020032862A1 (en) * | 2018-08-10 | 2020-02-13 | Sony Mobile Communications Inc | Multiple beam reception in communication device |
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| MODERATOR (SAMSUNG): "Moderator summary#2 for multi-beam enhancement: proposal categorization", 3GPP DRAFT; R1-2007189, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20200817 - 20200828, 27 August 2020 (2020-08-27), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051922607 * |
| SAMSUNG: "Multi-beam enhancements", 3GPP DRAFT; R1-2006991, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20200817 - 20200828, 17 August 2020 (2020-08-17), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051921574 * |
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| CN114337757B (zh) | 2024-11-22 |
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