WO2020029942A1 - Procédé et dispositif de mesure de faisceau - Google Patents

Procédé et dispositif de mesure de faisceau Download PDF

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Publication number
WO2020029942A1
WO2020029942A1 PCT/CN2019/099363 CN2019099363W WO2020029942A1 WO 2020029942 A1 WO2020029942 A1 WO 2020029942A1 CN 2019099363 W CN2019099363 W CN 2019099363W WO 2020029942 A1 WO2020029942 A1 WO 2020029942A1
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Prior art keywords
measurement
reference signal
resource
interference
signal resource
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PCT/CN2019/099363
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English (en)
Chinese (zh)
Inventor
陈雷
管鹏
张希
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华为技术有限公司
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Publication of WO2020029942A1 publication Critical patent/WO2020029942A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application relates to the field of communications, and more particularly, to a method and apparatus for beam measurement.
  • high-frequency bands such as bands greater than or equal to 6GHz
  • beams are used for data transmission.
  • terminal equipment and network equipment can implement data transmission through beam alignment.
  • a base station configures a user equipment (user equipment) with a specified resource set, and the UE measures a reference signal resource in the specified resource set, selects an appropriate beam, and reports it. This method does not consider the interference situation, which is not conducive to beam selection.
  • the present application provides a method and an apparatus for beam measurement.
  • the accuracy of the beam measurement can be improved, and it is helpful to select a more appropriate beam.
  • a beam measurement method including: using a receiving beam corresponding to a channel measurement reference signal resource by a terminal device, measuring interference received by the receiving beam on an interference measurement resource, and determining the channel measurement reference A measurement result of a signal resource, wherein the interference measurement resource is determined according to the channel measurement reference signal resource and / or one or more interference reference signal resources; the terminal device sends the network device to the network device Measurement results. Therefore, the terminal device measures the interference received on the receiving beam corresponding to the reference signal resource of the measurement channel, which can improve the accuracy of the beam measurement and help to select a more appropriate beam.
  • the use of a receiving beam of a channel measurement reference signal resource by the terminal device to measure interference received on the interference measurement resource on a beam where the channel measurement reference signal resource is located includes:
  • the terminal device uses the receiving beam corresponding to the channel measurement reference signal resource to measure the interference measurement resource, and the interference measurement resource is determined according to the channel measurement reference signal resource and a plurality of interference reference signal resources, The plurality of interference reference signal resources belong to a set of interference reference signal resources.
  • the terminal device can measure the interference of all resources where the interference measurement resource is located on the channel measurement reference signal resource.
  • the use of a receiving beam of a channel measurement reference signal resource by the terminal device to measure interference received on the interference measurement resource on a beam where the channel measurement reference signal resource is located includes:
  • the terminal device uses the receiving beam corresponding to the channel measurement reference signal resource to measure the interference measurement resource, and the interference measurement resource is determined according to the channel measurement reference signal resource and an interference reference signal resource, where The one interference reference signal resource belongs to the interference reference signal resource set, and the one interference reference signal resource is any one of the interference reference signal resource set.
  • the terminal device can measure the interference of any one of the interference measurement resource interference reference signal resources on the channel measurement reference signal resource.
  • the use of a receiving beam of a channel measurement reference signal resource by the terminal device to measure interference received on the interference measurement resource on a beam where the channel measurement reference signal resource is located includes:
  • the terminal device uses a receiving beam corresponding to the channel measurement reference signal resource to measure interference received on the interference measurement resource.
  • the interference measurement resource is determined according to the channel measurement reference signal resource, and the received Interference does not include interference that interferes with the reference signal resource.
  • a terminal device when a terminal device measures a channel measurement reference signal resource in a measurement reference signal resource set, it should exclude the mutual influence of other measurement reference signal resources in the set.
  • the channel measurement reference signal resource and the interference reference signal resource belong to the same resource set; or, the channel measurement reference signal resource and the interference reference signal resource belong to different resource sets.
  • the measurement result includes a second measurement amount
  • the method further includes:
  • the sending, by the terminal device, the measurement result to a network device includes:
  • the terminal device When the first measurement quantity meets the first measurement threshold, the terminal device sends a second measurement quantity of the channel measurement reference signal resource to the network device.
  • the method further includes:
  • the terminal device obtains resource grouping configuration information of the interference measurement resource, and the resource grouping configuration information includes one or more of the following information: a resource grouping division mode, and a value of each resource group in the interference measurement resource.
  • Reporting volume information reporting threshold information of each resource group, mapping information of measurement results of each resource group and reporting bit value, and priority information of each resource group.
  • the resource grouping configuration information of the interference measurement resource may be agreed by the protocol, or may be configured by the network device to the terminal device, which is not limited.
  • a beam measurement method including: a network device sends a first measurement threshold corresponding to a first measurement quantity to a terminal device, the first measurement quantity and the second measurement quantity being a same channel measurement reference Different measurement amounts of signal resources; the network device receives a second measurement amount of the channel measurement reference signal resource sent by the terminal device when the first measurement amount meets the first measurement threshold. Therefore, the network device may configure the terminal device with a first measurement threshold corresponding to the first measurement amount, so that the terminal device reports the second measurement amount of the channel measurement reference signal resource according to the first measurement threshold.
  • the method further includes: the network device sends resource group configuration information that interferes with measurement resources to the terminal device, and the resource group configuration information includes one or more of the following information: a resource group division method, the Information on the reported amount of each resource group in the interference measurement resource, reporting threshold information of each resource group, mapping information between the measurement result of each resource group and the reported bit value, and priority information of each resource group.
  • the resource group configuration information includes one or more of the following information: a resource group division method, the Information on the reported amount of each resource group in the interference measurement resource, reporting threshold information of each resource group, mapping information between the measurement result of each resource group and the reported bit value, and priority information of each resource group.
  • the network device may configure resource group configuration information for the terminal device to interfere with the measurement resource.
  • a terminal device includes a module for executing the method in the first aspect or various implementation manners thereof.
  • a network device in a fourth aspect, includes a module for executing the method in the second aspect or various implementations thereof.
  • a communication device may be a terminal device in the foregoing method design, or a chip provided in the terminal device.
  • the communication device includes a processor coupled to a memory, and may be configured to execute instructions in the memory to implement the method performed by the terminal device in the first aspect and any possible implementation manners of the first aspect.
  • the communication device further includes a memory.
  • the communication device further includes a communication interface, and the processor is coupled to the communication interface.
  • the communication interface may be a transceiver, or an input / output interface.
  • the communication interface may be an input / output interface.
  • the transceiver may be a transceiver circuit.
  • the input / output interface may be an input / output circuit.
  • a communication device may be a network device designed in the foregoing method, or a chip provided in the network device.
  • the communication device includes: a processor, coupled to the memory, and configured to execute instructions in the memory to implement the method performed by the network device in the second aspect and any one of possible implementation manners.
  • the communication device further includes a memory.
  • the communication device further includes a communication interface, and the processor is coupled to the communication interface.
  • the communication interface may be a transceiver, or an input / output interface.
  • the communication interface may be an input / output interface.
  • the transceiver may be a transceiver circuit.
  • the input / output interface may be an input / output circuit.
  • a program for executing the methods provided by the first aspect and the second aspect when executed by a processor.
  • a program product includes program code, and the program code is executed by a communication unit, a processing unit or a transceiver, and a processor of a communication device (for example, a terminal device or a network device). At this time, the communication device is caused to execute any one of the above-mentioned first to fourth aspects and possible implementations thereof.
  • a computer-readable medium stores a program that causes a communication device (for example, a terminal device or a network device) to execute the first and second aspects and their possibilities Method of any of the embodiments.
  • a communication device for example, a terminal device or a network device
  • FIG. 1 is a system architecture diagram to which an embodiment of the present application is applied.
  • FIG. 2 is a schematic interaction diagram of a beam measurement method according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of an example of resource division according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a beam measurement apparatus according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a simplified terminal device.
  • FIG. 7 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 8 is another schematic block diagram of a communication apparatus according to an embodiment of the present application.
  • GSM global mobile communication
  • CDMA code division multiple access
  • WCDMA broadband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunications System
  • WiMAX Global Interoperability for Microwave Access
  • the terminal device in the embodiments of the present application may refer to user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless Communication equipment, user agent or user device.
  • Terminal equipment can also be cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), and wireless communications Functional handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network, or public land mobile network (PLMN) in future evolution Terminal equipment and the like are not limited in this embodiment of the present application.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDAs personal digital assistants
  • PLMN public land mobile network
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, and the network device may be a Global System for Mobile Communication (GSM) system or a Code Division Multiple Access (CDMA) system.
  • the base station (Base Transceiver Station (BTS)) can also be a base station (NodeB, NB) in a wideband code division multiple access (WCDMA) system, or an evolved base station (evolved) in an LTE system.
  • GSM Global System for Mobile Communication
  • CDMA Code Division Multiple Access
  • the base station can also be a base station (NodeB, NB) in a wideband code division multiple access (WCDMA) system, or an evolved base station (evolved) in an LTE system.
  • NodeB, NB base station
  • WCDMA wideband code division multiple access
  • evolved evolved base station
  • NodeB can also be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device can be a relay station, access point, in-vehicle device, wearable device, and future
  • CRAN cloud radio access network
  • the network equipment in the 5G network or the network equipment in the future evolved PLMN network is not limited in the embodiments of the present application.
  • the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • This hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and a memory (also called main memory).
  • the operating system may be any one or more computer operating systems that implement business processing through processes, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a windows operating system.
  • This application layer contains applications such as browsers, address books, word processing software, and instant messaging software.
  • the embodiment of the present application does not specifically limit the specific structure of the execution subject of the method provided by the embodiment of the present application, as long as the program that records the code of the method provided by the embodiment of the application can be run to provide the program according to the embodiment of the application.
  • the communication may be performed by using the method described above.
  • the method execution subject provided in the embodiments of the present application may be a terminal device or a network device, or a function module in the terminal device or the network device that can call a program and execute the program.
  • various aspects or features of the present application may be implemented as a method, apparatus, or article of manufacture using standard programming and / or engineering techniques.
  • article of manufacture encompasses a computer program accessible from any computer-readable device, carrier, or medium.
  • computer-readable media may include, but are not limited to: magnetic storage devices (eg, hard disks, floppy disks or magnetic tapes, etc.), optical disks (eg, compact discs (CDs), digital versatile discs (DVDs) Etc.), smart cards and flash memory devices (for example, erasable programmable read-only memory (EPROM), cards, sticks or key drives, etc.).
  • various storage media described herein may represent one or more devices and / or other machine-readable media used to store information.
  • machine-readable medium may include, but is not limited to, wireless channels and various other media capable of storing, containing, and / or carrying instruction (s) and / or data.
  • FIG. 1 is a system architecture diagram to which an embodiment of the present application is applied.
  • the system includes a network device and at least one terminal device (two terminal devices are exemplified in FIG. 1).
  • the terminal equipment is connected to the network equipment in a wireless manner. Communication between a terminal device and a network device can be performed using a beam, including uplink (ie, terminal device to network device) communication and downlink (network device to terminal device) communication.
  • the terminal equipment can be fixed or removable.
  • FIG. 1 is only a schematic diagram, and the system may further include other devices, such as a core network device, a wireless relay device, and a wireless backhaul device (not shown in FIG. 1).
  • a core network device such as a Wi-Fi Protected Access (WPA)
  • a wireless relay device such as a Wi-Fi Protected Access (WPA)
  • a wireless backhaul device not shown in FIG. 1.
  • the embodiments of the present application do not limit the number of network devices and terminal devices included in the system.
  • a network device may send measurement configuration information to a terminal device in advance, and the measurement configuration information may include measurement resource configuration information and measurement report configuration information.
  • the network device sends a measurement reference signal to the terminal device based on the measurement configuration information.
  • the measurement resource configuration information includes a related configuration of the measurement resource.
  • measurement resources can be configured as a three-level resource structure: resource settings, resource sets, and resources.
  • the network device may configure one or more Resource settings for the terminal device, each Resource setting may include one or more Resource sets, and each Resource set may include one or more Resource settings.
  • each Resource may further include one or more ports.
  • the measurement report configuration information includes relevant information that requires the terminal device to measure and report.
  • the measurement report configuration information includes one or more of the following: report quantity, calculation method indication information used by the report amount, and measurement resources associated with the measurement report configuration information (for example, the The measurement report configuration is related to one or more Resource settings and / or resources (set and / or resources).
  • the reported amount may include one or more of the following information: channel measurement reference signal resource identifier, interference resource identifier, reference signal receiving power (RSRP), and reference signal receiving quality (reference signal receiving) quality (RSRQ), signal to interference plus noise ratio (SINR), received signal strength indicator (RSSI), channel status information (channel status information, CSI), channel quality indicator (channel) quality indicator (CQI), precoding matrix indicator (PMI), precoding type indicator (PTI), diversity indicator (rank), LI, il, where LI is a layer indicator, use In order to indicate a data layer index (which can be used to configure a phase tracking reference signal), i1 is a wideband codebook. PMI is used to select multiple-input multiple-output (MIMO) codebooks.
  • MIMO multiple-input multiple-output
  • RI is used to indicate the rank of the antenna matrix in multi-antenna MIMO. It should be understood that the above is only exemplary information that may be included in the measurement report configuration information, and the measurement report configuration information may further include other information, which is not limited in the embodiment of the present application.
  • the terminal device After receiving the measurement configuration information of the network device, the terminal device can perform measurement based on the measurement configuration information. For example, if the measurement report configuration information in the measurement configuration information includes the reference signal reception quality RSRQ and signal-to-interference and noise ratio SINR, the terminal device needs to measure the resources indicated by the measurement resource configuration information and report the measured RSRQ to the network device , SINR.
  • the measurement report configuration information in the measurement configuration information includes the reference signal reception quality RSRQ and signal-to-interference and noise ratio SINR
  • a beam is a communication resource.
  • the beam can be a wide beam, or a narrow beam, or another type of beam.
  • the beam forming technology may be a beam forming technology or other technical means.
  • the beamforming technology may be specifically a digital beamforming technology, an analog beamforming technology, and a hybrid digital / analog beamforming technology. Different beams can be considered as different resources.
  • the same information or different information can be transmitted through different beams.
  • multiple beams having the same or similar communication characteristics may be considered as one beam.
  • a beam may include one or more antenna ports for transmitting data channels, control channels, and detection signals.
  • a transmission beam may refer to a signal intensity distribution in different directions of a space after a signal is transmitted by an antenna.
  • the receiving beam may refer to a signal strength distribution of a wireless signal received from an antenna in different directions in space. It can be understood that one or more antenna ports forming a beam can also be regarded as an antenna port set.
  • the embodiment of the beam in the protocol can still be a spatial filter.
  • Beam information can be identified by index information.
  • the index information may correspond to a resource identifier of a configured UE, for example, the index information may correspond to a configured ID or resource of a channel state information reference signal (CSI-RS), or may correspond to The ID or resource of the configured sounding reference signal (SRS).
  • CSI-RS channel state information reference signal
  • SRS sounding reference signal
  • the index information may also be displayed or implicitly carried by a signal or channel carried by a beam.
  • the index information may be a synchronization signal sent by a beam or a broadcast channel indicating the beam. Index information.
  • the identification of the beam information includes the absolute index of the beam, the relative index of the beam, the logical index of the beam, the index of the antenna port corresponding to the beam, the index of the antenna port group corresponding to the beam, and the downlink synchronization signal block.
  • FIG. 1 shows a network system architecture involved in this application.
  • This application is applicable to a beam-based multi-carrier communication system as shown in FIG. 1, such as a 5G new air interface NR.
  • the system includes uplink (terminal device to network device) and downlink (access network device to terminal device) communication in the communication system.
  • uplink communication includes the transmission of uplink physical channels and uplink signals.
  • the uplink physical channel includes a random access channel (PRACH), an uplink control channel (PUCCH), an uplink data channel (physical uplink, shared channel, PUSCH), etc.
  • the uplink signal includes a channel detection signal SRS.
  • An uplink control channel demodulation reference signal (PUCCH-demodulation reference signal, PUCCH-DMRS), an uplink data channel demodulation reference signal PUSCH-DMRS, an uplink phase noise tracking signal (PTRS), and the like.
  • Downlink communication includes the transmission of downlink physical channels and downlink signals.
  • the downlink physical channel includes a physical channel (PBCH), a downlink control channel (PDCCH), a downlink data channel (PDSCH), and the like.
  • the downlink signal includes a primary synchronization signal (primary synchronization signal).
  • PSS secondary synchronization signal
  • PSS secondary synchronization signal
  • PDCCH-DMRS downlink control channel demodulation reference signal
  • PDSCH-DMRS downlink data channel demodulation reference signal
  • phase noise tracking signal PTRS channel state information reference signal
  • CSI-RS channel status information
  • CRS cell signal
  • TRS fine synchronization signal
  • a beam indication of a beam used by a downlink channel or a beam corresponding to a reference signal transmission is implemented by using a reference resource index in an associated transmission configuration indicator (TCI) status table.
  • TCI transmission configuration indicator
  • the base station configures a TCI state table (corresponding to TCI-states in 38.331) through radio resource control (RRC) high-level signaling, and each TCI state table contains several TCI states (corresponding to TCI in 38.331). -RS-Set).
  • Each TCI status includes TCI status ID (TCI-RS-SetID), one or two quasi-co-location (QCL) type indications (QCL-type A / B / C / D), and various type indications Corresponding reference RS-ID.
  • QCL types include the following:
  • QCL-TypeA ⁇ Doppler shift, Doppler spread, average delay, delay spread ⁇
  • QCL-type D represents spatial quasi-parity.
  • the base station indicates one of the TCI states containing spatial quasi-parity information through high-level signaling or control information.
  • the UE reads the reference RS-ID corresponding to the QCL-type ID according to the TCI state, and the UE can then The currently maintained spatial receiving configuration (receiving beam) corresponding to the RS-ID is used for receiving.
  • the corresponding reference RS of the spatial quasi-parity indicator may be an SS / PBCH block or a periodic or semi-persistent CSI-RS.
  • the beam indication (TCI indication) of different downlink channels is completed at different positions:
  • the beam of the PDCCH indicates that the high-level signaling tci-States PDCCH configured by the RRC is associated with one or more TCI states.
  • the number of associated TCI states is greater than one, the MAC-CE high-level signaling selects one of them.
  • the beam indication of the PDSCH is indicated by the state associated with the TCI field in the DCI transmitted by the PDCCH.
  • the length of the TCI field included in the DCI in the NR standard is 3 bits (corresponding to 8 TCI states).
  • the activated TCI state is directly mapped into the TCI field, otherwise the higher-level The order indicates a maximum of 8 TCI states participating in the mapping.
  • the UE reuses the beam indication of the control channel for data channel reception.
  • the NR For uplink transmission, the NR has not yet defined a spatial quasi-parity relationship, and the uplink beam indication is directly implemented through the reference signal resource identifier:
  • the PUCCH beam indication is indicated by the RRC parameter PUCCH-Spatial-relation-info.
  • This parameter may include one or more reference signal resource identifiers. When multiple reference signal resource identifiers are included, one of them is selected by MAC-CE higher-layer signaling.
  • the PUCCH beam indication content may be the uplink or downlink reference signal resource identifier, including SSB index, CRI, or SRS index, indicating that the UE is recommended to use the corresponding beam for receiving / sending the downlink / uplink reference signal resource for uplink transmission.
  • the beam information of the PUSCH is configured by the SRS index in the DCI.
  • Quasi-co-location (QCL) A parity relationship is used to indicate that multiple resources have one or more of the same or similar communication characteristics. For multiple resources with a parity relationship, the same or similar Communication configuration. For example, if the two antenna ports have a co-located relationship, the large-scale characteristics of a channel transmitting one symbol at one port can be inferred from the large-scale characteristics of a channel transmitting one symbol at the other port.
  • Large-scale characteristics can include: delay spread, average delay, Doppler spread, Doppler frequency shift, average gain, reception parameters, terminal device receive beam number, transmit / receive channel correlation, reception angle of arrival, receiver antenna Spatial correlation, angel-of-arrival (AoA), average angle of arrival, expansion of AoA, etc.
  • the parity indication is used to indicate whether the at least two sets of antenna ports have a parity relationship: the parity indication is used to indicate whether the channel state information reference signals sent by the at least two sets of antenna ports are from the same transmission point Or, the parity indication is used to indicate whether the channel state information reference signals sent by the at least two sets of antenna ports are from the same beam group.
  • Spatial QCL can be considered as a type of QCL. There are two angles to understand for spatial: from the sending end or from the receiving end. From the perspective of the transmitting end, if the two antenna ports are quasi co-located in the airspace, it means that the corresponding beam directions of the two antenna ports are spatially consistent. From the perspective of the receiving end, if the two antenna ports are quasi co-located in the airspace, it means that the receiving end can receive the signals sent by the two antenna ports in the same beam direction.
  • Channel measurement reference signal resource (reference signal resource for channel measurement): The reference signal resource sent on the beam to be measured.
  • the channel measurement reference signal resource is only a reference signal resource for measuring the service beam quality.
  • the channel measurement reference signal resource is not necessarily limited to the channel state information measurement resource, and may also be a reference signal resource used for beam management.
  • the channel measurement reference signal resource is regarded as a useful signal (the signal component included in the signal-to-noise ratio), and is used to measure the beam quality of the beam that transmits the channel measurement reference signal resource.
  • the measurement results (RSRQ / SINR / RSRP) in the embodiments of the present application are all measurement results for the channel measurement reference signal resources.
  • the channel measurement reference signal resources are processed as useful signals during the measurement.
  • the beam of the channel measurement reference signal resource should be used to receive the interference signal (including the interference reference signal resource and other non-specific interference and noise).
  • the terminal device should assume that the interference reference signal resource and the channel measurement reference signal resource are spatially quasi co-located.
  • the interference reference signal resources are the reference signal resources sent on the interference beam.
  • the terminal equipment should use these interference signal resources to measure the interference of the interference beam to the service beam.
  • the interference reference resource is not necessarily limited to the non-zero power interference measurement resource configured by the base station for channel state information measurement. It may also be a base station configured to the user terminal device as a potential service beam but not selected by the terminal device as a service beam.
  • the reference signal resource corresponding to the beam for example, a reference signal resource set used for beam management. Alternatively, when the terminal device selects and reports multiple beams or beam sets, the reported beams can also be used as mutual interference reference resources.
  • the interference reference signal resource is used to measure interference power and corresponds to the interference power portion of the signal-to-interference-to-noise ratio.
  • the interference reference signal resource itself may have a spatial quasi-parity assumption (the TCI state is configured, and its receiving beam indication depends on the associated TCI state), but when performing interference measurement as an interference resource, the terminal device should assume the interference reference signal resource and channel The measurement reference signal resources are spatially quasi-parity.
  • the terminal equipment should use the receive beam of the channel measurement reference signal resource to receive the interference reference signal resource.
  • the interference reference signal resource may be a non-zero power reference signal resource or a zero power reference signal resource. For a zero-power reference signal resource, its own reference signal resource has no power, but the interference of resources such as symbol / resource block (RB) / resource element (RE) can still be included in related measurements. Calculation.
  • the measurement resource set may refer to an interference measurement resource set and / or a channel measurement resource set.
  • the measurement resource set is a resource set composed of time-frequency resources and / or reference signals participating in the measurement.
  • the measurement resources may have different determination schemes. This embodiment discusses more about the determination of interference measurement resources.
  • the interference measurement resource may be an RB (existing protocol) where the channel reference signal resource is located, an RE (existing protocol SINR) where it is located, or an interference measurement reference signal resource.
  • Measurement reference signal resource set a set of measurement resources selected by a network device configuration or a terminal device according to a network configuration.
  • the measurement reference signal resource set is a complete set of channel measurement reference signal resources and / or interference reference signal resources considered in the embodiments of the present application.
  • the network device may be configured with a reference signal resource set dedicated to interference measurement or channel measurement, or may be configured with a single set as one of the embodiments in the embodiments of the present application, and the terminal device selects one of them as the channel measurement reference signal resource, and the other As an interference reference signal resource.
  • the terminal device may also determine the measurement resource set according to the network configuration. For example, the terminal device is configured with a measurement reference signal resource set to allow the terminal device to select N from the set for reporting. At this time, the terminal device may use the selected N reference signal resources as the measurement reference signal resource set to perform related measurements.
  • the channel measurement reference signal resource and the interference measurement reference signal resource may be converted into each other.
  • the remaining reference signal resources may be used as interference reference signal resources.
  • the channel measurement reference signal resource set and the interference measurement reference signal resource set can also be converted into each other.
  • the remaining reference signal resource sets may be used as interference reference signal resources.
  • the channel measurement reference signal resource and the interference measurement reference signal resource may be collectively referred to as a measurement reference signal resource.
  • FIG. 2 shows a schematic flowchart of a beam measurement method 200 according to an embodiment of the present application. As shown in FIG. 2, the method 200 includes:
  • the terminal device uses a reception beam corresponding to the channel measurement reference signal resource, measures interference received by the reception beam corresponding to the channel measurement reference signal resource on the interference measurement resource, and determines a measurement result of the channel measurement reference signal resource.
  • the interference measurement resource is determined according to the channel measurement reference signal resource and / or one or more interference reference signal resources.
  • the interference measurement resource may be determined according to a channel measurement reference signal resource and multiple interference reference signal resources, where the multiple interference reference signal resources belong to an interference reference signal resource set.
  • the interference measurement resource may be determined according to a channel measurement reference signal resource and an interference reference signal resource, wherein the one interference reference signal resource belongs to an interference reference signal resource set, and the one interference reference signal resource is Any one of the interference reference signal resource sets.
  • the terminal device sends a measurement result to the network device.
  • the measurement result is a measurement result of one or more of the following measurement quantities: one of the reference signal received power RSRP, the reference signal received quality RSRQ, the signal-to-interference and noise ratio SINR, the received signal strength indicator RSSI, or Multiple.
  • the measurement quantity reported by the terminal device to the network device may be configured in advance by the network device to the terminal device through the measurement and reporting configuration information.
  • the terminal device performs quantization processing on the measurement result to obtain a measurement result after the quantization processing; and the terminal device sends the measurement result after the quantization processing to a network device.
  • the terminal device when measuring a channel measurement reference signal resource, the terminal device needs to consider one or more interference reference signal resources and / or the influence of the channel measurement reference signal resource on the channel measurement reference signal resource to obtain a channel measurement. Measurement results of reference signal resources.
  • the influence of the interference reference signal resource on the channel measurement reference signal resource may be interference caused by the reference signal power of the interference reference signal resource itself, or it may be the influence of the interference reference signal resource on the interference measurement resource.
  • the measurement result of the channel measurement reference signal resource may be RSRQ.
  • the RSRQ of the channel measurement reference signal resource can be defined as the ratio of the channel measurement reference signal resource to be measured to the interference power within the measurement range (that is, on the interference measurement resource), which can be specifically defined according to the following formula:
  • RSRQ N * RSRP / RSSI
  • N is the number of measurement resource blocks RB of the RSSI;
  • RSRP is the power measured on the resource element RE carrying the channel measurement reference signal resource (optionally, the measurement reference signal may be a CSI-RS or a secondary synchronization signal SSS) (Unit is Watt, W) Linear average value;
  • RSSI is the total received power on the RB used to measure RSSI (including co-channel service) in the OFDM symbol that includes the channel measurement reference signal resource during the measurement bandwidth and measurement time Cell and non-serving cell interference, adjacent channel interference, thermal noise, etc.). It should be understood that the definition of RSSI is only exemplary and does not limit the embodiments of the present application.
  • a resource range (ie, interference measurement resource) included in RSSI measurement may not be limited to the RB where the channel measurement reference signal resource is located.
  • it may be the RB where all the reference signals in the measurement reference signal set (that is, the set of channel measurement reference signal resources and interference reference signal resources) are located. Similar concepts can also be extended to symbols, RE, etc. For granularity.
  • the terminal device measures interference received by the receiving beam on an interference measurement resource, and may include three implementation manners, which will be described in detail below.
  • S210 includes:
  • the terminal device measures the interference measurement resource using a receiving beam corresponding to the channel measurement reference signal resource, and the interference measurement resource is determined according to the channel measurement reference signal resource and a plurality of interference reference signal resource sets. , Wherein the plurality of interference reference signal resources belong to an interference reference signal resource set.
  • the terminal device when calculating the RSRQ of each channel measurement reference signal resource, the terminal device should deal with all measurement reference signal resources (including the channel measurement reference signal resource and Interference reference signal resources) to measure the interference on the RB.
  • a channel measurement reference signal resource and multiple interference reference signal resources belong to a same measurement reference signal resource set, and the interference measurement resource is the measurement reference signal resource set as an example.
  • the channel measurement reference signal resource belongs to a measurement reference signal resource set, and can be considered as any measurement reference signal resource in the measurement reference signal resource set.
  • the terminal device when measuring the RSRQ of the channel measurement reference signal resource, the terminal device should measure the interference on the RB where all the measurement reference signal resources in the measurement reference signal resource set where the channel measurement reference signal resource is located.
  • the signal power of the reference signal resource itself other than the measurement reference signal resource of the channel to be measured in the measurement reference signal resource set may be included in the interference or may not be included in the interference, which is not limited.
  • a network device configures a beam measurement set [CSI-RS # a, CSI-RS # b, CSI-RS # c] for a terminal device
  • the terminal device calculates the RSRQ of CSI-RS # a
  • it should respond to the All reference signal resources [CSI-RS # a, CSI-RS # b, CSI-RS # c] measure interference (calculate RSSI) on the RB
  • CSI-RS # b and CSI-RS # c are signals
  • the signal power of the CSI-RS # b itself may be included in the interference or may not be included in the interference
  • the signal power of the CSI-RS # c itself may be included in the interference or not included in the interference.
  • S210 includes:
  • the terminal device uses the receiving beam corresponding to the channel measurement reference signal resource to measure the interference measurement resource, and the interference measurement resource is determined according to the channel measurement reference signal resource and a plurality of interference reference signal resources, The plurality of interference reference signal resources belong to a set of interference reference signal resources.
  • the terminal device when calculating the RSRQ of a channel measurement reference signal resource in the measurement reference signal resource set, the terminal device should calculate the interference caused by other measurement reference signal resources in the measurement reference signal resource set to the channel measurement reference signal resource. .
  • the channel measurement reference signal resource and the interference reference signal resource belong to the same measurement reference signal resource set, and the interference measurement resource is the measurement reference signal resource set as an example.
  • the terminal device when a network device configures a measurement reference signal resource set [CSI-RS # a, CSI-RS # b, CSI-RS # c] for a terminal device, the terminal device should calculate the SINR of CSI-RS # a separately.
  • One method is to use the CSI-RS # a as a signal and the noise and interference of the RE where the CSI-RS # b or CSI-RS # c is located as noise interference terms (which can be averaged according to the number of REs) to calculate the SINR.
  • the signal power of the CSI-RS # b or CSI-RS # c itself may be included in the interference or may not be included in the interference (or a zero-power interference resource is configured).
  • the interference measurement may also measure only the power of the interference reference signal resource itself, rather than the total power of the RB / RE where the interference reference signal resource is located.
  • the interference power in the above first implementation and the second implementation may only count the signal power of CSI-RS # b (for example, RSRP of CSI-RS # b) , Not the total power of the RB / RE where CSI-RS # b is located.
  • S210 includes:
  • the terminal device uses a receiving beam corresponding to the channel measurement reference signal resource to measure interference received on the interference measurement resource.
  • the interference measurement resource is determined according to the channel measurement reference signal resource, and the received Interference does not include interference that interferes with the reference signal resource.
  • the terminal device when the terminal device measures a certain channel measurement reference signal resource in the measurement reference signal resource set, it should exclude the mutual influence of other measurement reference signal resources in the set.
  • the interference measurement resource is determined by the channel measurement reference signal resource. For example, when a network device configures a beam measurement set [CSI-RS # a, CSI-RS # b, CSI-RS # c] for a terminal device, when the terminal device calculates the RSRQ of CSI-RS # a, The CSI-RS # b and CSI-RS # c resources interfered with CSI-RS # a in the receiving beam in the range. The power of the reference signal resource CSI-RS # b or CSI-RS # c should not be counted in. Interference from CSI-RS # a.
  • the network device may use a high-level signaling (e.g., medium access control elements (MAC, CE), radio resource control (radio resource control, RRC)) or physical layer signaling downlink control information.
  • a command instructs the terminal device to select one or more of the above calculation methods.
  • the channel measurement reference signal resource may be one or more resources.
  • the channel measurement reference signal resource and the interference reference signal resource may belong to the same resource set.
  • the channel measurement reference signal resource and the interference reference signal resource may belong to different resource sets, and the channel measurement reference signal resource and the interference reference signal resource may form multiple sets.
  • the above three implementation manners can be applied to the case of multiple reference signal resource sets.
  • the following describes the specific implementation of the foregoing three implementation manners by taking the channel measurement reference signal resource and the interference reference signal resource as different measurement reference signal resource sets as an example.
  • the terminal device when calculating the RSRQ of the channel measurement reference signal resource, the terminal device should deal with the measurement reference signal resource set where the channel measurement reference signal resource is located and the measurement reference signal resource set where the interference reference signal resource is located.
  • the interference on the RB where all the reference signal resources in the two measurement reference signal resource sets are measured is measured.
  • the terminal device when calculating the RSRQ of the channel measurement reference signal resource, the terminal device should separately calculate: each interference reference signal in the interference reference signal resource set versus each channel measurement reference signal resource in the channel measurement reference signal resource set.
  • the interference caused that is, one-to-one measurement of interference reference signal resources and channel reference signal resources.
  • the terminal device when the terminal device measures the reference signal resource on the measurement channel, the mutual influence of other interference reference signal resources in the measurement reference signal resource set where the interference reference signal resource is located should be excluded.
  • the network device can configure multiple measurement reference signal resources but does not clearly indicate which one is the channel measurement reference signal resource and which one The set serves as an interference reference signal resource.
  • the interference reference resource set may be a zero-power interference reference signal resource set, or may be a non-zero-power interference reference signal resource set.
  • the signal power of the interference reference signal resource set itself can be considered to be constant zero.
  • the terminal device may be required to determine the beam to be used for measuring interference according to the current channel beam resource. For example, when measuring the interference of the interference resource CSI-RS # c to the channel resource CSI-RS # a, it should be assumed that the interference and channel resource CSI-RS # a are spatially QCL, and the terminal device should use the reception of CSI-RS # a
  • the beam measures the interference of CSI-RS # c.
  • the embodiment of the present application may also define a panel when the terminal device measures the beam and interference.
  • a network device may configure a terminal device to select a beam on a panel (or report the beam and report the panel ID at the same time). Accordingly, the interference measured by the terminal device should be based on the antenna panel where the report beam is located (or the panel ID reported together with the report beam) Corresponding panel).
  • the measurement range of the interference measurement resource may be the RB where a single measurement resource is located, or the continuous bandwidth occupied by a single measurement resource (from the start RB of the measurement resource to the continuous bandwidth including all measurement resources), or, It may be the maximum RB or continuous bandwidth occupied by all single measurement reference signal resources in the measurement reference signal resource set, or it may be the RB or continuous bandwidth occupied by all measurement resources in the measurement resource set as a whole. Broadband width can be measured in RB, RE, or Hz.
  • the channel measurement reference signal resource and the interference reference signal resource may correspond one-to-one.
  • the terminal device may perform a one-to-one analysis on each interference reference signal resource in the interference reference signal resource set when measuring the interference received by the beam where the channel measurement reference signal resource is located Iterate.
  • the terminal device may measure interference caused by the entire interference reference signal resource set to the beam on which the channel measurement reference signal resource is located.
  • the configuration of the measurement reference signal resource set is not limited in the embodiments of the present application.
  • the measurement reference signal resource set may be a set of reporting beams (reference signal resources) selected by the terminal device during beam reporting.
  • the terminal device should perform the above measurement in the reported reference signal resource.
  • the measurement set configured by the network device to the terminal device is [CSI-RS # a, CSI-RS # b, CSI-RS # c], and the terminal device selects the reporting beam set as [CSI-RS # a, When CSI-RS # b], the terminal device should calculate the set [CSI-RS # a, CSI-RS # b] using one or more of the above three implementation methods.
  • the terminal device selects and reports multiple measurement reference signal resource sets (for example, packet beam reporting), and the above three implementation manners are also applicable to interference measurement between sets.
  • the above-mentioned three implementation manners are also applicable to reporting interference measurement between different panels within a beam range.
  • the terminal reported that CSI-RS # a and CSI-RS # b belong to Panel A, and CSI-RS # d and CSI-RS # c belong to Panel B (Note that this example focuses on CSI-RS # a to d belong to different panels and may not be displayed in different sets).
  • the equivalent measurement resource sets can be [CSI-RS # a, CSI-RS # b] and [CSI-RS # c, CSI-RS # d] (Note: the associated antenna panel may not be displayed, only the beams in different packets can be constrained to be received at the same time, and only one beam can be received in the same packet at the same time.)
  • the terminal device can follow Measurement is performed in one of the above three implementation manners. For example, consider the measurement of interference between groups, and measure the interference of [CSI-RS # a, CSI-RS # b] and [CSI-RS # c, CSI-RS # d] in a one-to-one traversal manner.
  • the network device may also require the terminal device to report multiple beam packets, and the beams in different packets are restricted from being received at the same time, and the same packets may be received at the same time.
  • the terminal device may perform measurement according to one of the foregoing three implementation manners. For example, consider the intra-group interference measurement, and measure the interference conditions in the two groups [CSI-RS # a, CSI-RS # b] and [CSI-RS # c, CSI-RS # d] according to the first calculation method.
  • the terminal device performing quantization processing on the measurement result may include: the terminal device may perform non-uniform quantization on the measurement result obtained above.
  • the quantization information such as the quantization method and quantization parameter used by the terminal device may be agreed by the protocol, or may be configured by the network device to the terminal device, which is not limited in this embodiment of the present application.
  • the network device may configure a terminal device with a quantization method of A-law or ⁇ -law non-uniform quantization, and provide a corresponding quantization parameter A or ⁇ .
  • the terminal device can normalize the measurement result x (such as RSRQ), companding (can be understood as non-uniform scaling mapping) in the following corresponding manner to obtain F (X), and then F (X) ) Perform uniform quantization and report.
  • the [quantized minimum value, quantized maximum value] in normalization can be agreed by the agreement, or can be configured for the terminal device through the network device.
  • the normalized quantization range can be [0,1], also Can be [-1,1].
  • F (X) is used to represent the unquantized measurement results, such as the measured RSRQ and SINR. If the quantization parameter A is used, F (X) can be calculated according to the following formula (1):
  • F (X) can be calculated according to the following formula (2):
  • the embodiment of the present application may also quantify the measurement result in a predefined quantization manner.
  • the terminal device can obtain a quantized measurement result based on the mapping relationship between the measurement result and the reported bits.
  • the mapping relationship may be agreed through a protocol, or may be indicated by the network device to the terminal device through an RRC or MAC message.
  • the mapping between the measurement result and the quantized measurement result may have one or more intermediate quantities, or there may be no intermediate quantity (that is, the measurement result is directly mapped to the quantized measurement result).
  • Table 1 shows the mapping relationship between the reported bit value and the intermediate quantity
  • Table 2 shows the mapping relationship from the intermediate quantity to the quantized value range. The specific mapping relationship is shown in Table 1 and Table 2:
  • the measurement results obtained by the terminal device corresponding to the measurement results such as RSRQ, SINR, etc.
  • 1) range then look up Table 1, and get the reported bit corresponding to range (1) is 0..0, then the bit value reported by the terminal device to the network device is 0..0.
  • the number of bits of reported bit values in Table 1 is not limited here, and can be determined flexibly according to requirements.
  • mapping relationship in the above Table 1 and the mapping relationship in Table 2 are embodied by two tables, but they are not limited to the embodiments of the present application.
  • the foregoing Table 1 and Table 2 may also be combined into one table, which is not limited.
  • the measurement result includes a second measurement amount
  • the method 200 further includes:
  • the sending, by the terminal device, the measurement result to a network device includes:
  • the terminal device When the first measurement quantity meets the first measurement threshold, the terminal device sends a second measurement quantity of the channel measurement reference signal resource to the network device.
  • the terminal device may receive a first measurement threshold of a first measurement amount of the channel measurement reference signal resource. Then, the terminal device measures the first measurement amount of the channel measurement reference signal resource. If the first measurement amount meets the first measurement threshold, the terminal device reports the second measurement amount of the channel measurement reference signal resource.
  • the second measurement amount is a report amount that needs to be reported to the network device.
  • the network device may configure the terminal device to measure the reference resource set and select N reference signal resources, and report the corresponding reference signal resource index (for CSI-RS resources, the index is CSI-RS index, CRI) And the reported amount of measurement (the reported amount of the second measurement amount).
  • the network device may specify a reporting threshold for the terminal device (such as the first measurement threshold for the first measurement quantity), and the first measurement quantity corresponding to the reported beam (reference signal resource) selected by the terminal device must satisfy the first measurement threshold.
  • a network device may configure a reference signal resource set [CSI-RS # a, CSI-RS # b, CSI-RS # c], and notify the terminal device to select N beams to report its corresponding CSI-RS resource index (CSI -RS index, CRI) and RSRQ (reported quantity on the second measurement quantity).
  • the network device can configure (also can be agreed in the agreement) an RSRP threshold through additional RRC / MAC-CE.
  • the first measurement quantity (RSRP in this example) corresponding to the reported CSI-RS resource index selected by the terminal device must satisfy the first measurement threshold (RSRP threshold in this example) in order to report the reported quantity (RSRQ in this example) .
  • the RSRP that the terminal device chooses to report to the CRI must meet the RSRP threshold configured by the network device.
  • the terminal device may report to the network device through an abnormal value (such as an abnormal CRI or an abnormal second measurement value (RSRQ in this example) or other abnormal state).
  • an abnormal value such as an abnormal CRI or an abnormal second measurement value (RSRQ in this example) or other abnormal state.
  • the network device may instruct the terminal device to measure and report multiple different measurement quantities for a group of measurement reference signal resources, and the multiple measurement quantities may correspond to a measurement result of the same CRI.
  • the network device may configure a channel measurement reference signal resource, and configure the terminal device to select N reference signal resources from it, and report the index of the N reference signal resources, the RSRP corresponding to each reference signal resource, and the RSRQ of each reference signal resource. .
  • the network device may also indicate a priority between different reported quantities in a display, implicit, or protocol manner.
  • the priority may refer to a priority for beam selection (that is, a beam is selected in consideration of the measurement quantity). It can also refer to the priority of measurement (that is, to measure the measurement priority).
  • the display indication can be completed through RRC / MAC CE configuration, such as setting the priority order from high to low: RSRQ, SINR, RSRP; implicit indication can be completed by configuring the reporting amount, such as when the terminal device is required to report CRI-RSRQ -For RSRP, if RSRQ precedes RSRP, it means that the priority of RSRQ is higher than RSRP beam selection.
  • the order of priorities can also be understood as the conditional order of the measurement quantities, which is not limited.
  • the terminal device needs to report the measurement reference signal resource sets corresponding to the measurement results.
  • the network device configures two reference signal resource sets for the terminal device, and instructs the terminal device to perform measurement and report the measurement result.
  • the terminal device can distinguish the measurement results of different reference signal resource sets through CRIs with different bit lengths, or, Additional bits may be used to indicate the reference signal resource set information. It should be understood that the manner in which the terminal device indicates to the network device different measurement results of the reference signal resource set is not specifically limited herein.
  • the interference measurement resource may be divided into multiple resource groups, and the terminal device may perform interference measurement on each measurement group.
  • the resource grouping of the interference measurement resources and related configuration information of each resource grouping may be agreed by the protocol, or may be configured by the network device for the terminal device, which is not limited. The following describes the configuration of network equipment for terminal equipment.
  • the network device may divide the resource grouping of the interference measurement resources in the following manner, for example: frequency resource grouping based on interference measurement resources, a time domain measurement resource subset of the interference measurement resources, or a resource domain of the interference measurement resources Subset.
  • the following resource grouping indication method can be applied only to the interference reference signal resource set, the channel measurement reference signal resource set, and the channel measurement reference signal resource set and the interference reference signal resource set. This is not limited.
  • the network device may configure a frequency measurement range of the measurement resource and / or a frequency resource group corresponding to the measurement resource for the terminal device.
  • the network device instructs the terminal device to perform measurement on the RSRQ of the CSI-RS # a, it may also indicate a measurement resource range for measuring the RSRQ, that is, group the measurement resource set.
  • the measurement resource set grouping may be applied only to the measurement of RSSI, or may be applied only to the measurement of RSRP, and may also be applied to the measurement of both RSSI and RSSP.
  • the grouping of the interference measurement resource by the network device may be a grouping of a frequency domain resource and / or a time domain of the interference measurement resource.
  • the complete set of frequency domain measurement resources can be defined as the RB where the single reference signal resource to be measured is located, or it can be the single reference signal resource to be measured.
  • Occupied continuous bandwidth (from the starting RB of measurement resources to the continuous bandwidth containing all measurement resources), or it can be (channel and / or interference) the RB or continuous bandwidth occupied by all individual measurement resources in the measurement reference signal resource set
  • the maximum value may alternatively be the RB or continuous bandwidth occupied by all measurement resources in the (channel and / or interference) measurement reference signal resource set.
  • Broadband width can be measured in RB, RE, or Hz.
  • the frequency domain measurement resource grouping is used to further divide and indicate the complete set of frequency domain measurement resources.
  • the network device may use any of the following indication modes to instruct the complete set of frequency domain interference measurement resources:
  • Method 1 The network device uses a bitmap or a digitmap to divide the complete set of frequency-domain interference measurement resources into Nb groups.
  • Nb 3 as an example.
  • the complete set of frequency domain measurement resources is divided into ⁇ 0,1,3,6 ⁇ , ⁇ 2,7 ⁇ , ⁇ 4,5 ⁇ Three subsets.
  • a bitmap or a digit map is used as an example for description here.
  • Network devices may use other forms for grouping, which is not specifically limited.
  • the complete set of measurement resources in the frequency domain is 8RB, the complete set of frequency resources is divided into ⁇ 0 ⁇ 3 ⁇ , ⁇ 4 ⁇ 5 ⁇ , ⁇ 6 to 7 ⁇ three sets, similar implementations may also be three sets of ⁇ 0 to 2 ⁇ , ⁇ 3 to 4 ⁇ , and ⁇ 5 to 7 ⁇ , which are not limited.
  • Method 3 The network device divides the full set of frequency domain measurement resources into Nb groups of equal size measurement resource subsets with a fixed bandwidth (the first two groups may not be the same size).
  • the bandwidth of each group can be configured by the network device (such as RRC), or it can be agreed by the protocol, or calculated based on the total bandwidth (see the calculation method in the prior art), such as the subband size and the total bandwidth RB number. Correlation (may require additional RRC instructions to determine), as the total bandwidth RB number is in a different range, its own size also changes accordingly.
  • the network device may configure a time domain measurement resource subset of the measurement resource set for the terminal device, that is, the network device may indicate grouping information of the time domain measurement resource subset.
  • the network device divides its periodic time domain resources into two groups, the ⁇ 0,3,6 ... ⁇
  • the timing (occasion) of one CSI-RS # a is a group, that is, measurement resource group 1 shown in FIG. 3, and the timing (occasion) of the ⁇ 1,2,4,5 ... ⁇ th CSI-RS # a ) Is a group, that is, measurement resource group 2 shown in FIG. 3.
  • Occasion of CSI-RS # a is the number of cycles (which can start from 0) of the CSI-RS resource after a certain starting position (which can have an offset).
  • the starting position may be the position with a frame number of 0; for semi-persistent CSI-RS resources, the starting position may be the position where the MAC-CE is activated, or the terminal device may activate the semi-persistent CSI-RS.
  • the MAC-CE message of the resource feeds back the time slot of the ACK / NACK and so on. It should be understood that FIG. 3 is only exemplarily described with measurement resource group 1 and measurement resource group 2, and only shows a part of the composition of the measurement resource group, and does not limit the embodiment of the present application.
  • bitmap is not limited in the embodiment of the present application, for example, the bitmap may also be 4 bits.
  • the network device divides its periodic time domain resources into two groups, the ⁇ 0,4,8 ... ⁇ And ⁇ 1,5,9... ⁇ CSI-RS # a's timing (occasion) as a group, the ⁇ 2,6,10... ⁇ and ⁇ 3,7,11... ⁇ CSI-RS # a Occasion as a group.
  • the network device may configure a resource domain measurement resource subset of the measurement resource set for the terminal device, that is, the network device may indicate grouping information of the resource domain measurement resource subset.
  • frequency measurement range, time domain measurement resource subset, and resource domain measurement resource subset configured by the network device for the terminal device may be used in combination with each other, which is not limited in the embodiment of the present application.
  • the network device configures the reporting threshold for the measurement result for the terminal device, the same reporting amount can be configured for each interference measurement resource group, and the terminal device needs to Measure in the measurement resource group and select report.
  • the network device can also configure different reporting amounts for each interference measurement resource group, and the terminal device also needs to perform measurement and select reporting in each interference measurement resource group.
  • the network device may also configure different reporting priorities, thresholds, and quantization tables for each group of interference measurement resources, which is not limited.
  • the network device may instruct or agree to report only measurement results of a certain group or groups of measurement packets (for example, resources corresponding to 'bit 1').
  • the terminal device can report according to the instructions of the network device or the protocol agreement, without the need to report the measurement results of each group of resource groups.
  • the terminal device may also actively select one or more groups to report measurement results from the multiple groups of interference measurement resource groups, and notify the network device of the group index of its own choice (for example, the group index field is additionally defined in the UCI reporting format).
  • FIG. 3 is only to facilitate those skilled in the art to understand the embodiments of the present application, and it is not intended to limit the embodiments of the present application to specific illustrated scenarios. Those skilled in the art can obviously make various equivalent modifications or changes according to the example of FIG. 3, and such modifications or changes also fall within the scope of the embodiments of the present application.
  • the size of the sequence numbers of the above processes does not mean the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not be implemented in this application.
  • the implementation process of the example constitutes any limitation.
  • FIG. 4 shows a schematic block diagram of a beam measurement apparatus 400 according to an embodiment of the present application.
  • the specific form of the apparatus 400 may be a terminal device or a chip in the terminal device, which is not limited in the embodiment of the present application.
  • the apparatus 400 includes:
  • a processing module 410 is configured to use a receiving beam corresponding to a channel measurement reference signal resource to measure interference received by the receiving beam on an interference measurement resource, and determine a measurement result of the channel measurement reference signal resource, where the interference
  • the measurement resource is determined according to the channel measurement reference signal resource, and / or, one or more interference reference signal resources;
  • the transceiver module 420 is configured to send the measurement result to the network device.
  • processing module 410 is specifically configured to:
  • the interference measurement resource by using a receiving beam corresponding to the channel measurement reference signal resource, where the interference measurement resource is determined according to the channel measurement reference signal resource and a plurality of interference reference signal resources, wherein the Multiple interference reference signal resources belong to the interference reference signal resource set.
  • processing module 410 is specifically configured to:
  • the interference measurement resource Measuring the interference measurement resource by using a receiving beam corresponding to the channel measurement reference signal resource, the interference measurement resource being determined according to the channel measurement reference signal resource and an interference reference signal resource, wherein the one The interference reference signal resource belongs to an interference reference signal resource set, and the one interference reference signal resource is any one of the interference reference signal resource sets.
  • processing module 410 is specifically configured to:
  • the interference measurement resource is determined according to the channel measurement reference signal resource, and the received interference does not include Interference from interference reference signal resources.
  • the channel measurement reference signal resource and the interference reference signal resource belong to the same resource set; or, the channel measurement reference signal resource and the interference reference signal resource belong to different resource sets.
  • the measurement result includes a second measurement quantity
  • the transceiver module 420 is further configured to:
  • the transceiver module is configured to send the measurement result to a network device, and specifically includes:
  • the terminal device When the first measurement quantity meets the first measurement threshold, the terminal device sends a second measurement quantity of the channel measurement reference signal resource to the network device.
  • the terminal device 400 further includes:
  • An obtaining module (not shown in FIG. 4), configured to obtain resource grouping configuration information of the interference measurement resource, where the resource grouping configuration information includes one or more of the following information: a resource grouping division method, the Information on the reported amount of each resource group in the interference measurement resource, reporting threshold information of each resource group, mapping information between the measurement result of each resource group and the reported bit value, and priority information of each resource group.
  • the apparatus 400 for beam measurement may correspond to the method of the terminal device in the foregoing method embodiment, for example, the method in FIG. 2, and the above and other management operations of each module in the apparatus 400 and /
  • the functions or functions are respectively used to implement the corresponding steps of the method of the terminal device in the foregoing method embodiments, so the beneficial effects in the foregoing method embodiments can also be implemented.
  • details are not described herein.
  • each module in the apparatus 400 may be implemented in the form of software and / or hardware, which is not specifically limited.
  • the device 400 is presented in the form of a functional module.
  • the "module” herein may refer to an application-specific integrated circuit ASIC, a circuit, a processor and a memory executing one or more software or firmware programs, an integrated logic circuit, and / or other devices that can provide the above functions.
  • ASIC application-specific integrated circuit
  • the processing module 410 may be implemented by the processor 501 and the memory 502 shown in FIG. 5.
  • the transceiver module 420 may be implemented by the transceiver 503 shown in FIG. 5.
  • the processor is implemented by executing a computer program stored in a memory.
  • the function and / or implementation process of the transceiver module 420 may also be implemented through pins or circuits.
  • the memory is a storage unit in the chip, such as a register, a cache, etc.
  • the storage unit may also be a storage unit located outside the chip in the computer device, such as the memory shown in FIG. 5 502.
  • FIG. 5 shows a schematic structural diagram of a terminal device 500 according to an embodiment of the present application.
  • the terminal device 500 includes: a processor 501.
  • the processor 501 is configured to: use a reception beam corresponding to a channel measurement reference signal resource, measure interference received by the reception beam on an interference measurement resource, and determine the channel measurement reference A measurement result of a signal resource, where the interference measurement resource is determined according to the channel measurement reference signal resource and / or one or more interference reference signal resources; the processor 1001 is further configured to call an interface to perform the following Action: Send the measurement result to the network device.
  • the processor 501 may call an interface to perform the foregoing sending and receiving actions, and the called interface may be a logical interface or a physical interface, which is not limited thereto.
  • the physical interface may be implemented by a transceiver.
  • the apparatus 500 further includes a transceiver 503.
  • the apparatus 500 further includes a memory 502, and the program code in the foregoing method embodiment may be stored in the memory 502, so as to be called by the processor 501.
  • the device 500 includes a processor 501, a memory 502, and a transceiver 503, the processor 501, the memory 502, and the transceiver 503 communicate with each other through an internal connection path to transfer control and / or data signals.
  • the processor 501, the memory 502, and the transceiver 503 may be implemented by a chip.
  • the memory 502 may store program code, and the processor 501 calls the program code stored in the memory 502 to implement a corresponding function of the terminal device.
  • apparatus 500 may also be used to perform other steps and / or operations on the terminal device side in the foregoing embodiments. For brevity, details are not described herein.
  • the above-mentioned transceiver 503 may include a receiver and a transmitter, wherein the receiver is configured to implement a receiving function and the transmitter is configured to implement a transmitting function.
  • An embodiment of the present application further provides a communication device, which may be a terminal device or a circuit.
  • the communication apparatus may be configured to perform an action performed by a terminal device in the foregoing method embodiment.
  • FIG. 6 shows a simplified schematic diagram of the structure of the terminal device. It is easy to understand and easy to illustrate.
  • the terminal device uses a mobile phone as an example.
  • the terminal device includes a processor, a memory, a radio frequency circuit, an antenna, and an input / output device.
  • the processor is mainly used for processing communication protocols and communication data, controlling terminal devices, executing software programs, and processing data of the software programs.
  • the memory is mainly used for storing software programs and data.
  • the radio frequency circuit is mainly used for the conversion of baseband signals and radio frequency signals and the processing of radio frequency signals.
  • the antenna is mainly used to transmit and receive radio frequency signals in the form of electromagnetic waves.
  • Input / output devices such as a touch screen, a display screen, and a keyboard, are mainly used to receive data input by the user and output data to the user. It should be noted that some types of terminal equipment may not have an input / output device.
  • the processor When data needs to be sent, the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit. After the radio frequency circuit processes the baseband signal, the radio frequency signal is sent out through the antenna in the form of electromagnetic waves.
  • the RF circuit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor.
  • the processor converts the baseband signal into data and processes the data.
  • FIG. 6 only one memory and processor are shown in FIG. 6. In an actual terminal equipment product, there may be one or more processors and one or more memories.
  • the memory may also be referred to as a storage medium or a storage device.
  • the memory may be set independently of the processor or integrated with the processor, which is not limited in the embodiment of the present application.
  • an antenna and a radio frequency circuit having a transmitting and receiving function may be regarded as a transmitting and receiving unit of a terminal device, and a processor having a processing function may be regarded as a processing unit of the terminal device.
  • the terminal device includes a transceiver unit 1610 and a processing unit 1620.
  • the transceiver unit may also be referred to as a transceiver, a transceiver, a transceiver device, and the like.
  • the processing unit may also be called a processor, a processing single board, a processing module, a processing device, and the like.
  • the device for implementing the receiving function in the transceiver unit 1610 may be regarded as a receiving unit, and the device for implementing the transmitting function in the transceiver unit 1610 may be regarded as a transmitting unit, that is, the transceiver unit 1610 includes a receiving unit and a transmitting unit.
  • the transceiver unit may also be called a transceiver, a transceiver, or a transceiver circuit.
  • the receiving unit may also be called a receiver, a receiver, or a receiving circuit.
  • the transmitting unit may also be called a transmitter, a transmitter, or a transmitting circuit.
  • transceiver unit 1610 is configured to perform the sending operation and the reception operation on the terminal device side in the foregoing method embodiment
  • processing unit 1620 is configured to perform operations other than the transceiver operation on the terminal device in the foregoing method embodiment.
  • the transceiver unit 1610 is configured to perform a sending action on the terminal device side in S220 in FIG. 2, and / or the transceiver unit 1620 is further configured to perform other transceiver steps on the terminal device side in the embodiment of the present application.
  • the processing unit 1620 is configured to execute a processing action on the terminal device side in S210 in FIG. 2 and / or to execute other processing steps on the terminal device side in the embodiment of the present application.
  • the chip When the communication device is a chip, the chip includes a transceiver unit and a processing unit.
  • the transceiver unit may be an input / output circuit or a communication interface;
  • the processing unit is a processor or a microprocessor or an integrated circuit integrated on the chip.
  • the communication device in this embodiment is a terminal device
  • the device may perform functions similar to the processor 502 in FIG. 5.
  • the device includes a processor 1701, a sending data processor 1703, and a receiving data processor 1705.
  • the transceiver module 420 in the above embodiment may be the sending data processor 1703 and / or the receiving data processor 1705 in FIG. 7.
  • FIG. 7 shows a channel encoder, a channel decoder, a symbol generation module, and a channel estimation module, it can be understood that these modules do not constitute a restrictive description of this embodiment, and are merely schematic.
  • FIG. 8 shows another form of this embodiment.
  • the processing device 1800 includes modules such as a modulation subsystem, a central processing subsystem, and a peripheral subsystem.
  • the communication device in this embodiment may serve as a modulation subsystem therein.
  • the modulation subsystem may include a processor 1803 and an interface 1804.
  • the interface 1804 completes the functions of the foregoing transceiver module 420.
  • the modulation subsystem includes a memory 1806, a processor 1803, and a program stored on the memory 1806 and executable on the processor.
  • the terminal device side in the foregoing method embodiment is implemented.
  • Methods It should be noted that the memory 1806 may be non-volatile or volatile, and its location may be located inside the modulation subsystem or in the processing device 1800, as long as the memory 1806 can be connected to the memory 1806.
  • the processor 1803 is sufficient.
  • a computer-readable storage medium which stores instructions thereon, and when the instructions are executed, the method on the terminal device side in the foregoing method embodiment is executed.
  • a computer program product containing instructions is provided, and when the instructions are executed, the method on the terminal device side in the foregoing method embodiment is executed.
  • a computer-readable storage medium on which instructions are stored, and when the instructions are executed, the method on the network device side in the foregoing method embodiment is executed.
  • a computer program product containing instructions is provided.
  • the instructions are executed, the method on the network device side in the foregoing method embodiment is executed.
  • the methods disclosed in the embodiments of the present application may be applied to a processor, or implemented by a processor.
  • the processor may be an integrated circuit chip with signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA), or other programmable Programming logic devices, discrete gate or transistor logic devices, and discrete hardware components can also be system chips (SoCs), central processing units (CPUs), and network processors (network processors) processor (NP), can also be a digital signal processor (DSP), can also be a microcontroller (microcontroller unit, MCU), can also be a programmable controller (programmable logic device, PLD) or other Integrated chip.
  • SoCs system chips
  • CPUs central processing units
  • NP network processors
  • DSP digital signal processor
  • MCU microcontroller unit
  • PLD programmable controller
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the foregoing method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrical memory Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • double SDRAM double SDRAM
  • DDR SDRAM double data rate synchronous dynamic random access memory
  • enhanced SDRAM enhanced SDRAM
  • SLDRAM synchronous connection dynamic random access memory
  • direct RAMbus RAM direct RAMbus RAM
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of this application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the aforementioned storage media include: U disks, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks or compact discs and other media that can store program codes .

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  • Engineering & Computer Science (AREA)
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  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un dispositif de mesure de faisceau. En mesurant l'interférence reçue par un faisceau de réception sur une ressource de mesure d'interférence à l'aide du faisceau de réception correspondant à une ressource de signal de référence de mesure de canal, en déterminant le résultat de mesure de la ressource de signal de référence de mesure de canal, et en rapportant le résultat de mesure à un dispositif de réseau, la présente invention permet d'évaluer la situation d'interférence du faisceau, ce qui rend plus précise la qualité du faisceau mesurée par un dispositif terminal.
PCT/CN2019/099363 2018-08-10 2019-08-06 Procédé et dispositif de mesure de faisceau WO2020029942A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113852403A (zh) * 2020-06-28 2021-12-28 华为技术有限公司 一种波束选择方法、终端设备及计算机可读存储介质

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021168852A1 (fr) * 2020-02-29 2021-09-02 华为技术有限公司 Procédé, appareil et dispositif de communication
CN113518372A (zh) * 2020-04-10 2021-10-19 华为技术有限公司 通信方法及装置
WO2021248397A1 (fr) * 2020-06-11 2021-12-16 Qualcomm Incorporated Mesure d'interférences de liaisons croisées sur de multiples faisceaux
EP4207649A4 (fr) * 2020-09-29 2024-01-17 Huawei Technologies Co., Ltd. Procédé et appareil de rapport d'interférences
CN116961713A (zh) * 2022-04-15 2023-10-27 华为技术有限公司 一种信道状态信息上报方法及装置
CN117177217A (zh) * 2022-05-25 2023-12-05 维沃移动通信有限公司 波束信息传输方法及相关设备
CN117544974A (zh) * 2022-08-01 2024-02-09 华为技术有限公司 一种通信方法和装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104521309A (zh) * 2012-08-02 2015-04-15 Lg电子株式会社 在基站协作无线通信系统中基于干扰测量发送和接收上行链路信号的方法及其装置
CN107888307A (zh) * 2016-09-30 2018-04-06 中兴通讯股份有限公司 干扰测量方法、装置及系统，干扰测量指示方法及装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014042378A2 (fr) * 2012-09-12 2014-03-20 엘지전자 주식회사 Procédé de réception de signal au moyen d'une méthode de retrait d'interférence et appareil pour ce procédé dans un système de communication sans fil
US20160269087A1 (en) * 2015-03-12 2016-09-15 Qualcomm Incorporated Signaling for millimeter wave interference and scheduling
EP4161168A1 (fr) * 2015-03-27 2023-04-05 Samsung Electronics Co., Ltd. Dispositif et procédé d'attribution de ressources dans un système d'antenne à grande échelle
CN106559807B (zh) * 2015-09-25 2021-08-20 华为技术有限公司 一种数据传输方法以及相关设备
CN107241129B (zh) * 2016-03-29 2020-02-14 北京信威通信技术股份有限公司 窄带信道状态信息参考信号波束方向的校准方法及装置
CN107889146A (zh) * 2016-09-30 2018-04-06 北京信威通信技术股份有限公司 一种测量上行信道的方法及装置
CN108039903B (zh) * 2017-09-11 2021-06-01 华为技术有限公司 一种通信方法及设备

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104521309A (zh) * 2012-08-02 2015-04-15 Lg电子株式会社 在基站协作无线通信系统中基于干扰测量发送和接收上行链路信号的方法及其装置
CN107888307A (zh) * 2016-09-30 2018-04-06 中兴通讯股份有限公司 干扰测量方法、装置及系统，干扰测量指示方法及装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUAWEI: "Remaining Issues on Beam Management", 3GPP TSG RAN WG1 MEETING #93, R1-1805952, 11 May 2018 (2018-05-11), XP051461660 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113852403A (zh) * 2020-06-28 2021-12-28 华为技术有限公司 一种波束选择方法、终端设备及计算机可读存储介质
CN113852403B (zh) * 2020-06-28 2023-10-20 华为技术有限公司 一种波束选择方法、终端设备及计算机可读存储介质

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