WO2023097625A1 - Procédé et appareil de gestion de faisceau pour second dispositif de réseau, dispositif et support de stockage - Google Patents

Procédé et appareil de gestion de faisceau pour second dispositif de réseau, dispositif et support de stockage Download PDF

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Publication number
WO2023097625A1
WO2023097625A1 PCT/CN2021/135171 CN2021135171W WO2023097625A1 WO 2023097625 A1 WO2023097625 A1 WO 2023097625A1 CN 2021135171 W CN2021135171 W CN 2021135171W WO 2023097625 A1 WO2023097625 A1 WO 2023097625A1
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Prior art keywords
network device
indication information
information
hop link
sending
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PCT/CN2021/135171
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English (en)
Chinese (zh)
Inventor
池连刚
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202180004352.2A priority Critical patent/CN116548040A/zh
Priority to PCT/CN2021/135171 priority patent/WO2023097625A1/fr
Publication of WO2023097625A1 publication Critical patent/WO2023097625A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular to a beam management method, device, device and storage medium for a second network device.
  • cellular mobile communication technology is in the evolution stage of a new generation of technology.
  • An important feature of the new generation technology is to support flexible configuration of various business types.
  • Different business types have different requirements for wireless communication technologies, such as enhanced Mobile Broad Band (eMBB) business requirements focusing on large bandwidth, high speed, etc.; Ultra Reliable Low Latency Communication (Ultra Reliable Low Latency Communication, The requirements of URLLC) services focus on high reliability and low delay; the requirements of massive Machine Type Communication (mMTC) services focus on the massive number of connections. Therefore, a new generation of wireless communication system needs a flexible and configurable design to support the transmission requirements of various business types.
  • eMBB enhanced Mobile Broad Band
  • mMTC massive Machine Type Communication
  • Radio frequency relay has been deployed in large numbers in 2G, 3G and 4G to supplement coverage. Relays are a simple, low-cost means of increasing network coverage. 5GNR conducted research on radio frequency relay in Rel-17. At present, the relay supported by 5G NR is a radio frequency relay, which only receives, converts radio frequency, and amplifies and forwards the signal.
  • the present disclosure provides a beam management method, device, device and storage medium for the second network device.
  • a beam management method for a second network device which is applied to a first network device, including:
  • first indication information includes information indicating a second receive beam and a second transmit beam
  • the second hop link is a communication link between the second network device and the user equipment.
  • the method also includes:
  • the capability information includes antenna port and beam information supported by the second network device, and/or whether the second network device supports digital domain beamforming.
  • the determining the second receiving beam and the second sending beam used by the second network device on the second hop link includes:
  • the sending the first indication information to the second network device includes:
  • the second indication information includes information indicating the antenna port used by the second network device on the second hop link.
  • the determining the second receiving beam and the second sending beam used by the second network device on the second hop link includes:
  • the sending the first indication information to the second network device includes:
  • the third indication information includes information indicating the antenna port used by the second network device on the second hop link and the renumbered antenna port serial number .
  • the sending the first indication information to the second network device includes:
  • the fourth indication information includes information indicating time domain resources configured for the second network device and antenna ports used by the time domain resources.
  • the sending the first indication information to the second network device includes:
  • the fifth indication information includes information indicating the time domain and frequency domain resources configured for the second network device and the antenna ports used by the time domain and frequency domain resources information.
  • the sending the fifth indication information to the second network device includes:
  • time domain and frequency domain resources are periodic time domain and frequency domain resources.
  • the sending the fifth indication information to the second network device includes:
  • time-domain and frequency-domain resources are time-domain and frequency-domain resources after k time slots at the time when the SCI signaling is sent, and k is a positive integer greater than or equal to 0.
  • a beam management method for a second network device which is applied to a first network device, including:
  • the eighth indication information includes information indicating the first receive beam and the first transmit beam
  • the first hop link is a communication link between the first network device and the second network device.
  • the method also includes:
  • the measurement information includes a measurement amount obtained by the second network device measuring the first reference signal.
  • the eighth indication information in response to the first information including the measurement information, includes information indicating the quasi-co-located QCL reference signal corresponding to a specific downlink reference signal, or indicating the QCL corresponding to a specific downlink reference signal. Information about the reference signal.
  • the method also includes:
  • the eighth indication information in response to the first information including the SRS, includes information indicating an uplink reference signal or a QCL reference signal corresponding to an uplink channel, and/or an SRS resource indication.
  • the first reference signal is a synchronization signal block SSB or a channel state information reference signal CSI-RS.
  • the measurement quantity includes at least one of the following: Reference Signal Received Power RSRP, Reference Signal Received Instruction RSRQ, Signal-to-Interference-plus-Noise Ratio SINR, Received Signal Strength Indicator RSSI.
  • a beam management method for a second network device which is applied to the second network device, including:
  • the first indication information includes information indicating a second receive beam and a second transmit beam used by the second network device on the second hop link;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the method before receiving the first indication information from the first network device, the method further includes:
  • the capability information includes antenna port and beam information supported by the second network device, and/or whether the second network device supports digital domain beamforming.
  • the receiving the first indication information from the first network device includes:
  • the third indication information includes indicating the antenna port used by the second network device on the second hop link and the renumbered antenna port sequence number Information.
  • the receiving the first indication information from the first network device includes:
  • the receiving the first indication information from the first network device includes:
  • the fourth indication information includes indicating the time domain resource configured by the first network device for the second network device and the antenna used by the time domain resource port information.
  • the receiving the first indication information from the first network device includes:
  • the fifth indication information includes indicating the time domain and frequency domain resources configured by the first network device for the second network device and the time domain and frequency domain resources Information about antenna ports used by frequency domain resources.
  • the receiving the fifth indication information from the first network device includes:
  • time domain and frequency domain resources are periodic time domain and frequency domain resources.
  • the receiving the fifth indication information from the first network device includes:
  • time-domain and frequency-domain resources are time-domain and frequency-domain resources after k time slots at the time when the SCI signaling is sent, and k is a positive integer greater than or equal to 0.
  • a beam management method for a second network device which is applied to the second network device, including:
  • the eighth indication information includes indicating the first receive beam and the first transmit beam used by the second network device on the first hop link;
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device;
  • the first hop link is a communication link between the first network device and the second network device.
  • the method also includes:
  • the eighth indication information in response to the first information including the measurement information, includes information indicating the quasi-co-located QCL reference signal corresponding to a specific downlink reference signal, or indicating the QCL corresponding to a specific downlink reference signal. Information about the reference signal.
  • the method also includes:
  • the method also includes:
  • the eighth indication information in response to the first information including the SRS, includes information indicating an uplink signal or a QCL reference signal corresponding to an uplink channel, and/or information indicating an SRS resource.
  • the first reference signal is a synchronization signal block SSB or a channel state information reference signal CSI-RS.
  • the measurement quantity includes at least one of the following: Reference Signal Received Power RSRP, Reference Signal Received Instruction RSRQ, Signal-to-Interference-plus-Noise Ratio SINR, Received Signal Strength Indicator RSSI.
  • a beam management apparatus applied to a first network device including:
  • a processing module configured to determine a second receive beam and a second transmit beam used by the second network device on the second hop link based on capability information of the second network device on the second hop link ;
  • a sending module configured to send first indication information to the second network device, where the first indication information includes information indicating a second receiving beam and a second sending beam;
  • the second hop link is a communication link between the second network device and the user equipment.
  • a beam management apparatus applied to a first network device including:
  • a processing module configured to determine a first receiving beam and a first sending beam used by the second network device on the first hop link based on the first information sent by the second network device;
  • a sending module configured to send eighth indication information to the second network device, where the eighth indication information includes information indicating the first receiving beam and the first sending beam;
  • the first hop link is a communication link between the first network device and the second network device.
  • a beam management apparatus applied to a second network device including:
  • a receiving module configured to receive first indication information from the first network device, where the first indication information includes the second receiving beam and the second transmission beam used by the second network device on the second hop link beam information;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • a beam management apparatus applied to a second network device including:
  • a receiving module configured to receive eighth indication information from the first network device, where the eighth indication information includes the first receiving beam and the first sending beam used by the second network device on the first hop link beam;
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device;
  • the first hop link is a communication link between the first network device and the second network device.
  • a network side device including:
  • memory for storing processor-executable instructions
  • the processor is configured to execute the executable instructions in the memory to implement the steps of the above beam management method.
  • a network side device including:
  • memory for storing processor-executable instructions
  • the processor is configured to execute the executable instructions in the memory to implement the steps of the above beam management method.
  • a non-transitory computer-readable storage medium on which executable instructions are stored, and when the executable instructions are executed by a processor, the steps of the above beam management method are implemented.
  • a non-transitory computer-readable storage medium on which executable instructions are stored, and when the executable instructions are executed by a processor, the steps of the above-mentioned beam management method are implemented.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link, thereby realizing the second network
  • the device that is, the beamforming function of the intelligent relay on the second-hop link, effectively improves the performance of the intelligent relay.
  • the first network device determines the first receiving beam and the first sending beam used by the second network device on the first hop link, thereby realizing the second network device, that is, the intelligent relay
  • the beamforming function on the first hop link effectively improves the performance of the intelligent relay.
  • Fig. 1 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 2 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 3 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 4 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 5 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 6 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 7 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 8 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 9 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 10 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 11 is a flow chart showing a beam management method according to an exemplary embodiment
  • Fig. 12 is a block diagram of a beam management device according to an exemplary embodiment
  • Fig. 13 is a block diagram of a beam management device according to an exemplary embodiment
  • Fig. 14 is a block diagram of a beam management device according to an exemplary embodiment
  • Fig. 15 is a block diagram of a beam management device according to an exemplary embodiment
  • Fig. 16 is a structural diagram of a beam management device according to an exemplary embodiment
  • Fig. 17 is a structural diagram of a beam management device according to an exemplary embodiment.
  • an embodiment of the present disclosure may include multiple steps; for the convenience of description, these steps are numbered; however, these numbers do not limit the execution time slots and execution order between the steps; these steps It can be implemented in any order, which is not limited by the embodiments of the present disclosure.
  • the radio frequency relay does not support operations such as beamforming, and cannot perform beam adjustment for specific areas or specific users, which limits system performance.
  • 3GPP is expected to introduce intelligent relays in the future, introducing certain auxiliary information and control signaling for relays, for example, supporting beam measurement and beam steering, so as to further improve the performance of relays.
  • the first network device may be a base station, and the second network device may be an intelligent relay.
  • the first hop link is the communication link between the base station and the intelligent relay; the second hop link is the communication link between the intelligent relay and the user equipment.
  • FIG. 1 is a flow chart showing a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 1, the method includes:
  • Step 101 based on the capability information of the second network device on the second hop link, determine a second receiving beam and a second sending beam used by the second network device on the second hop link;
  • Step 102 sending first indication information to the second network device, where the first indication information includes information indicating a second receiving beam and a second transmitting beam;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link, and then Send information about the second receiving beam and the second sending beam to the second network device through the first indication information.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link,
  • the second network device that is, the beamforming function of the intelligent relay on the second hop link is realized, and the performance of the intelligent relay is effectively improved.
  • FIG. 2 is a flow chart showing a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 2, the method includes:
  • Step 201 receiving the capability information sent by the second network device, the capability information including antenna port and beam information supported by the second network device, and/or whether the second network device supports digital domain beams shape;
  • Step 202 based on the capability information of the second network device on the second hop link, determine a second receiving beam and a second sending beam used by the second network device on the second hop link;
  • Step 203 sending first indication information to the second network device, where the first indication information includes information indicating a second receiving beam and a second transmitting beam;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes antenna port and beam information supported by the second network device, For example, the serial number of the antenna port on the second hop link supported by the second network device and the angle range of the beam corresponding to each antenna port. Then, based on the above capability information, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link, and then uses the first indication information to set the second receiving beam and the second The sending beam is sent to the second network device.
  • the capability information includes antenna port and beam information supported by the second network device, For example, the serial number of the antenna port on the second hop link supported by the second network device and the angle range of the beam corresponding to each antenna port.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes whether the second network device supports digital domain beamforming. Then, based on the above capability information, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link, and then uses the first indication information to set the second receiving beam and the second The information of the sending beam is sent to the second network device.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes antenna port and beam information supported by the second network device and Whether to support digital domain beamforming. Then, based on the above capability information, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link, and then uses the first indication information to set the second receiving beam and the second The information of the sending beam is sent to the second network device.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link,
  • the second network device that is, the beamforming function of the intelligent relay on the second hop link is realized, and the performance of the intelligent relay is effectively improved.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • first indication information includes information indicating a second receive beam and a second transmit beam
  • the second hop link is a communication link between the second network device and the user equipment
  • the determining the second receiving beam and the second sending beam used by the second network device on the second hop link includes:
  • the first network device determines the antenna port used by the second network device on the second hop link based on the capability information of the second network device on the second hop link, and based on the used antenna port The port determines the second receiving beam and the second sending beam used on the second hop link, and then sends the information of the second receiving beam and the second sending beam to the second network device through the first indication information.
  • the first network device selects, combines and configures the antenna ports included in the above capability information to determine The antenna port actually used on the second-hop link, and determine the second receive beam and the second transmit beam used on the second-hop link based on the used antenna port, and then use the first indication information to set the second receive beam and the information of the second sending beam to the second network device.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link,
  • the second network device that is, the beamforming function of the intelligent relay on the second hop link is realized, and the performance of the intelligent relay is effectively improved.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • first indication information includes information indicating a second receive beam and a second transmit beam
  • the second hop link is a communication link between the second network device and the user equipment
  • the determining the second receiving beam and the second transmitting beam used by the second network device on the second hop link includes: determining that the second network device is on the second hop link Antenna port used;
  • the sending first indication information to the second network device includes: sending second indication information to the second network device, where the second indication information includes indicating that the second network device is at the second hop Information about the antenna ports used on the link.
  • the first network device determines the antenna port used by the second network device on the second hop link based on the capability information of the second network device on the second hop link, and based on the used antenna port
  • the port determines the second receive beam and the second transmit beam used on the second hop link, and then sends the information of the second receive beam and the second transmit beam to the second network device through the first indication information, and the first
  • the indication information includes second indication information.
  • the second indication information includes information indicating the antenna port used by the second network device on the second hop link.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link,
  • the second network device that is, the beamforming function of the intelligent relay on the second hop link is realized, and the performance of the intelligent relay is effectively improved.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • first indication information includes information indicating a second receive beam and a second transmit beam
  • the second hop link is a communication link between the second network device and the user equipment
  • the determining the second receiving beam and the second transmitting beam used by the second network device on the second hop link includes: determining that the second network device is on the second hop link Antenna ports used: renumber the antenna ports used by the second network device on the second hop link.
  • the first network device determines the antenna ports used by the second network device on the second hop link based on the capability information of the second network device on the second hop link, and the antenna ports used by the second network device on the second hop link.
  • the antenna ports used on the link are renumbered, and based on these renumbered antenna ports, the second receive beam and the second transmit beam used on the second hop link are determined, and then the second The information of the receiving beam and the second sending beam is sent to the second network device. It should be noted that renumbering the antenna ports is equivalent to reconfiguring the relationship between the antenna ports and the corresponding beams.
  • the first network device selects, combines and configures the antenna ports included in the above capability information to determine Antenna ports actually used on the second-hop link, renumbering these antenna ports used on the second-hop link, and determining the second receiving beam and the second receiving beam used on the second-hop link based on the antenna ports used
  • the second sending beam then sends the information of the second receiving beam and the second sending beam to the second network device through the first indication information.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link,
  • the second network device that is, the beamforming function of the intelligent relay on the second hop link is realized, and the performance of the intelligent relay is effectively improved.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • first indication information includes information indicating a second receive beam and a second transmit beam
  • the second hop link is a communication link between the second network device and the user equipment
  • the determining the second receiving beam and the second transmitting beam used by the second network device on the second hop link includes: determining that the second network device is on the second hop link used antenna ports; renumbering the antenna ports used by the second network device on the second hop link;
  • the sending the first indication information to the second network device includes: sending third indication information to the second network device, where the third indication information includes indicating that the second network device is at the second hop Information about the antenna ports used on the link and the renumbered antenna port numbers.
  • the first network device determines the antenna ports used by the second network device on the second hop link based on the capability information of the second network device on the second hop link, and the antenna ports used by the second network device on the second hop link.
  • the antenna ports used on the link are renumbered, and based on these renumbered antenna ports, the second receive beam and the second transmit beam used on the second hop link are determined, and then the second The information of the receiving beam and the second sending beam is sent to the second network device, and the first indication information includes third indication information.
  • the third indication information includes information indicating the antenna port used by the second network device on the second hop link and the renumbered antenna port serial number. It should be noted that renumbering the antenna ports is equivalent to reconfiguring the relationship between the antenna ports and the corresponding beams.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link,
  • the second network device that is, the beamforming function of the intelligent relay on the second hop link is realized, and the performance of the intelligent relay is effectively improved.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the capability information includes antenna port and beam information supported by the second network device, and/or whether the second network device supports digital domain beamforming;
  • first indication information includes information indicating a second receive beam and a second transmit beam
  • the second hop link is a communication link between the second network device and the user equipment
  • the sending the first indication information to the second network device includes: sending the fourth network device to the second network device indication information, where the fourth indication information includes information indicating time domain resources configured for the second network device and antenna ports used by the time domain resources.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes whether the second network device supports digital domain beamforming. Then, based on the above capability information, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link, and then uses the first indication information to set the second receiving beam and the second The information of the sending beam is sent to the second network device.
  • the first indication information includes fourth indication information
  • the first indication information includes fourth indication information.
  • the four indication information includes information indicating the time domain resource configured for the second network device and the antenna port used by the time domain resource.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes antenna port and beam information supported by the second network device and Whether to support digital domain beamforming. Then, based on the above capability information, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link, and then uses the first indication information to set the second receiving beam and the second The information of the sending beam is sent to the second network device.
  • the first indication information includes fourth indication information
  • the first indication information includes fourth indication information.
  • the four indication information includes information indicating the time domain resource configured for the second network device and the antenna port used by the time domain resource.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link,
  • the second network device that is, the beamforming function of the intelligent relay on the second hop link is realized, and the performance of the intelligent relay is effectively improved.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the capability information includes antenna port and beam information supported by the second network device, and/or whether the second network device supports digital domain beamforming;
  • first indication information includes information indicating a second receive beam and a second transmit beam
  • the second hop link is a communication link between the second network device and the user equipment
  • the sending the first indication information to the second network device includes: sending a fifth indication to the second network device information, the fifth indication information includes information indicating the time domain and frequency domain resources configured for the second network device and the antenna ports used by the time domain and frequency domain resources.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes whether the second network device supports digital domain beamforming. Then, based on the above capability information, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link, and then uses the first indication information to set the second receiving beam and the second The information of the sending beam is sent to the second network device.
  • the first indication information includes fifth indication information
  • the fifth indication information includes indicating the time domain and time domain configured for the second network device. Information about frequency domain resources and antenna ports used by the time domain and frequency domain resources.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes antenna port and beam information supported by the second network device and Whether to support digital domain beamforming. Then, based on the above capability information, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link, and then uses the first indication information to set the second receiving beam and the second The information of the sending beam is sent to the second network device.
  • the first indication information includes fifth indication information
  • the fifth indication information includes indicating the time domain and time domain configured for the second network device. Information about frequency domain resources and antenna ports used by the time domain and frequency domain resources.
  • the sending the fifth indication information to the second network device includes:
  • time domain and frequency domain resources are periodic time domain and frequency domain resources.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes whether the second network device supports digital domain beamforming. Then, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the foregoing capability information.
  • the sixth indication information is sent to the second network device through high-level signaling, and the sixth indication information includes instructions for the The time domain and frequency domain resources configured by the second network device and the information of the antenna ports used by the time domain and frequency domain resources.
  • the time domain and frequency domain resources are periodic time domain and frequency domain resources.
  • the time domain resources can be one or more time periods in the configuration period, where N time slots are one time period; the frequency domain resources can be one or more resource blocks, when multiple resources When using a resource block, it may be a continuous resource block or a discontinuous resource block.
  • the information of the antenna port includes the serial number of the transmitting antenna port and/or the serial number of the receiving antenna port.
  • the high-level signaling may be radio resource control (Radio Resource Control, RRC) signaling or media access control layer control element (Media Access Control Control Element, MAC CE) signaling.
  • RRC Radio Resource Control
  • MAC CE Media Access Control Control Element
  • the sending the fifth indication information to the second network device includes:
  • time-domain and frequency-domain resources are time-domain and frequency-domain resources after k time slots at the time when the SCI signaling is sent, and k is a positive integer greater than or equal to 0.
  • the first network device receives from the second network device its capability information on the second hop link reported by the second network device, where the capability information includes whether the second network device supports digital domain beamforming. Then, the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the foregoing capability information.
  • the seventh indication information is sent to the second network device through sidelink control information SCI signaling, and the seventh indication information includes information indicating the time domain and frequency domain resources configured for the second network device and the antenna ports used by the time domain and frequency domain resources.
  • the time-domain and frequency-domain resources are time-domain and frequency-domain resources after k time slots when the SCI signaling is sent, and k is a positive integer greater than or equal to 0.
  • the SCI signaling is the physical layer control signaling issued by the base station to the smart relay.
  • the time domain and frequency domain resources are the time domain and frequency domain resources after k time slots at the moment when the SCI signaling is sent, so that the second network device has sufficient processing time for receiving information and sending information.
  • the time-domain and frequency-domain resources include one or more time-domain and frequency-domain resources after k time slots when the SCI signaling is sent.
  • the antenna port information includes the serial number of the transmitting antenna port and/or the serial number of the receiving antenna port used at the one or more time domain and frequency domain resources.
  • the first network device sends to the second network device a time domain resource and a frequency domain resource indicating the time domain and frequency domain resources configured for the second network device and the time domain resource.
  • the information about the antenna ports used by domain and frequency domain resources is equivalent to sending information indicating the second receiving beam and the second transmitting beam used by the second network device on the second hop link to the second network device.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link,
  • the second network device that is, the beamforming function of the intelligent relay on the second hop link is realized, and the performance of the intelligent relay is effectively improved.
  • FIG. 3 is a flow chart showing a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 3 , the method includes:
  • Step 301 based on the first information sent by the second network device, determine the first receiving beam and the first sending beam used by the second network device on the first hop link;
  • Step 302 sending eighth indication information to the second network device, where the eighth indication information includes information indicating the first receiving beam and the first transmitting beam;
  • the first hop link is a communication link between the first network device and the second network device.
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link, and then sends the The network device sends eighth indication information, indicating the first receiving beam and the first sending beam used by the second network device on the first hop link.
  • the first network device determines the first receiving beam and the first sending beam used by the second network device on the first hop link based on the measurement information about the first reference signal sent by the second network device, Then, by sending eighth indication information to the second network device, the first receiving beam and the first sending beam used by the second network device on the first hop link are indicated.
  • the first network device determines the first receiving beam based on the measurement information about the first reference signal sent by the second network device, and determines the first sending beam based on the SRS sent by the second network device, and then sends the The second network device sends eighth indication information, indicating the first receiving beam and the first sending beam used by the second network device on the first hop link.
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link based on the information reported by the second network device, thereby realizing the second network
  • the device that is, the beamforming function of the intelligent relay on the first-hop link, effectively improves the performance of the intelligent relay.
  • FIG. 4 is a flowchart of a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 4, the method includes:
  • Step 401 sending a first reference signal to the second network device
  • Step 402 receiving measurement information from the second network device, where the measurement information includes a measurement quantity obtained by the second network device measuring the first reference signal;
  • Step 403 Based on the first information sent by the second network device, determine the first receiving beam and the first sending beam used by the second network device on the first hop link, where the first information includes the measurement information;
  • Step 404 sending eighth indication information to the second network device, where the eighth indication information includes information indicating the first receiving beam and the first transmitting beam;
  • the first hop link is a communication link between the first network device and the second network device.
  • the first network device sends the first reference signal to the second network device, and receives measurement information including the measurement quantity obtained by the second network device from measuring the first reference signal, and then determines the second reference signal based on the measurement information.
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link based on the information reported by the second network device, thereby realizing the second network
  • the device that is, the beamforming function of the intelligent relay on the first-hop link, effectively improves the performance of the intelligent relay.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the measurement information includes a measurement amount obtained by the second network device measuring the first reference signal
  • the eighth indication information includes information indicating the first receive beam and the first transmit beam
  • the eighth indication information includes information indicating a quasi co-location (Quasi co-location, QCL) reference signal corresponding to a specific downlink reference signal, or information indicating a QCL reference signal corresponding to a specific downlink channel;
  • the first hop A link is a communication link between the first network device and the second network device.
  • the first network device sends the first reference signal to the second network device, and receives measurement information including the measurement quantity obtained by the second network device from measuring the first reference signal, and then determines the second reference signal based on the measurement information.
  • the eighth indication information includes information indicating the quasi-co-located QCL reference signal corresponding to the specific downlink reference signal.
  • the first network device sends the first reference signal to the second network device, and receives measurement information including the measurement quantity obtained by the second network device from measuring the first reference signal, and then determines the second reference signal based on the measurement information.
  • the eighth indication information includes information indicating a QCL reference signal corresponding to a specific downlink channel.
  • beam indication can be realized by using TCI state (Transmission configuration indication-state) and quasi-co-location.
  • the first network device may configure a corresponding TCI state for each downlink reference signal or downlink channel, and indicate the downlink reference signal and the QCL reference signal corresponding to the downlink channel through the TCI state.
  • the second network device believes that the downlink reference signal and the downlink channel are sent using the same beam as the QCL reference signal, so the downlink reference signal or the target downlink channel can be received by using the receiving beam of the QCL reference signal.
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link based on the information reported by the second network device, thereby realizing the second network
  • the device that is, the beamforming function of the intelligent relay on the first-hop link, effectively improves the performance of the intelligent relay.
  • FIG. 5 is a flowchart of a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 5, the method includes:
  • Step 501 sending a first reference signal to the second network device
  • Step 502 receiving measurement information from the second network device, where the measurement information includes a measurement amount obtained by the second network device measuring the first reference signal;
  • Step 503 receiving a sounding reference signal (Sounding Reference Signal, SRS) sent by the second network device;
  • SRS Sounding Reference Signal
  • Step 504 Based on the first information sent by the second network device, determine the first receiving beam and the first sending beam used by the second network device on the first hop link, where the first information includes the measurement information and said SRS;
  • Step 505 sending eighth indication information to the second network device, where the eighth indication information includes information indicating the first receiving beam and the first transmitting beam;
  • the first hop link is a communication link between the first network device and the second network device.
  • the first network device sends the first reference signal to the second network device, and receives measurement information including a measurement quantity obtained by the second network device by measuring the first reference signal.
  • the first network device also receives the SRS sent by the second network device.
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link based on the first information, that is, the above measurement information and the SRS, and sends the eighth
  • the indication information indicates the first receive beam and the first transmit beam used by the second network device on the first hop link.
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link based on the information reported by the second network device, thereby realizing the second network
  • the device that is, the beamforming function of the intelligent relay on the first-hop link, effectively improves the performance of the intelligent relay.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the measurement information includes a measurement amount obtained by the second network device measuring the first reference signal
  • the first information sent by the second network device determine the first receiving beam and the first sending beam used by the second network device on the first hop link, where the first information includes the measurement information and said SRS;
  • the eighth indication information includes information indicating the first receive beam and the first transmit beam
  • the eighth indication information includes information indicating the uplink reference signal or the QCL reference signal corresponding to the uplink channel, and/or the information indicated by the SRS resource; the first hop link is the connection between the first network device and the second Communication link between network devices.
  • the first network device sends the first reference signal to the second network device, and receives measurement information including a measurement quantity obtained by the second network device by measuring the first reference signal.
  • the first network device determines the first receiving beam used by the second network device on the first hop link based on the measurement information.
  • the first network device notifies the second network device of the first receiving beam used on the first hop link by sending indication information including indicating a specific downlink reference signal or a QCL reference signal corresponding to a specific downlink channel to the second network device.
  • the first network device also receives the SRS sent by the second network device.
  • the first network device determines based on the SRS that the second network device uses the first transmission beam on the second hop link.
  • the first network device notifies the second network device of the hop link used on the first hop link by sending the indication information including the indication of the uplink reference signal or the QCL reference signal corresponding to the uplink channel, and/or the SRS resource indication to the second network device.
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link based on the information reported by the second network device, thereby realizing the second network
  • the device that is, the beamforming function of the intelligent relay on the first-hop link, effectively improves the performance of the intelligent relay.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the first reference signal is a synchronization signal block SSB or a channel state information reference signal CSI-RS;
  • the measurement information includes a measurement amount obtained by the second network device measuring the first reference signal
  • the eighth indication information includes information indicating the first receive beam and the first transmit beam
  • the first hop link is a communication link between the first network device and the second network device.
  • the first network device sends the first reference signal to the second network device, and the first reference signal is a Synchronize Signal Block (Synchronize Signal Block, SSB), and receives the first reference signal including the second network device Measuring the measurement information of the measurement quantity obtained, and then determining the first receiving beam and the first transmitting beam used by the second network device on the first hop link based on the measurement information, and sending the eighth indication information to the second network device , indicating the first receive beam and the first transmit beam used by the second network device on the first hop link.
  • Synchronize Signal Block Synchronize Signal Block
  • the first network device sends a first reference signal to the second network device, where the first reference signal is a channel state information reference signal (Channel State Information-Reference Signal, CSI-RS), and receives the second The network device measures the measurement information of the measurement quantity obtained by measuring the first reference signal, and then determines the first receiving beam and the first transmitting beam used by the second network device on the first hop link based on the measurement information, and sends the second The network device sends eighth indication information, indicating the first receiving beam and the first sending beam used by the second network device on the first hop link.
  • CSI-RS Channel State Information-Reference Signal
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link based on the information reported by the second network device, thereby realizing the second network
  • the device that is, the beamforming function of the intelligent relay on the first-hop link, effectively improves the performance of the intelligent relay.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to a first network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • Receive measurement information from the second network device where the measurement information includes a measurement quantity obtained by the second network device from measuring the first reference signal, and the measurement quantity includes at least one of the following: Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Signal to Interference plus Noise Ratio (SINR), Received Signal Strength Indication (Received Signal Strength Indication, RSSI);
  • RSRP Reference Signal Receiving Power
  • RSRQ Reference Signal Receiving Quality
  • SINR Signal to Interference plus Noise Ratio
  • RSSI Received Signal Strength Indication
  • the eighth indication information includes information indicating the first receive beam and the first transmit beam
  • the first hop link is a communication link between the first network device and the second network device.
  • the first network device sends the first reference signal to the second network device, and receives measurement information including the measurement quantity obtained by the second network device from measuring the first reference signal, and then determines the second reference signal based on the measurement information.
  • the first receive beam and the first transmit beam used by the network device on the first hop link, and by sending eighth indication information to the second network device, instructing the second network device to use the first beam on the first hop link receive beam and first transmit beam.
  • the measurement quantity includes at least one of the following: a reference signal received power RSRP, a reference signal received command RSRQ, a signal-to-interference-plus-noise ratio SINR, and a received signal strength indicator RSSI.
  • the first network device determines the first receive beam and the first transmit beam used by the second network device on the first hop link based on the information reported by the second network device, thereby realizing the second network
  • the device that is, the beamforming function of the intelligent relay on the first-hop link, effectively improves the performance of the intelligent relay.
  • FIG. 6 is a flowchart of a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 6, the method includes:
  • Step 601 Receive first indication information from a first network device, where the first indication information includes information indicating a second receive beam and a second transmit beam used by the second network device on a second hop link ;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the second network device receives first indication information from the first network device, where the first indication information includes indicating the second receiving beam and the second transmitting beam used by the second network device on the second hop link Information.
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the second network device receives information indicating the second receive beam and the second transmit beam used by it on the second hop link from the first network device, and the second receive beam and the second transmit beam is determined by the first network device based on the capability information of the second network device on the second hop link.
  • FIG. 7 is a flow chart showing a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 7, the method includes:
  • Step 701 sending capability information to the first network device, where the capability information includes antenna port and beam information supported by the second network device, and/or whether the second network device supports digital domain beamforming.
  • Step 702 Receive first indication information from the first network device, where the first indication information includes information indicating the second receive beam and the second transmit beam used by the second network device on the second hop link ;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the second network device sends capability information to the first network device, where the capability information includes antenna port and beam information supported by the second network device. Then the second network device receives first indication information from the first network device, where the first indication information includes information indicating a second receiving beam and a second sending beam used by the second network device on the second hop link. Wherein, the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the second network device sends capability information to the first network device, where the capability information includes whether the second network device supports digital domain beamforming. Then the second network device receives first indication information from the first network device, where the first indication information includes information indicating a second receiving beam and a second sending beam used by the second network device on the second hop link. Wherein, the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the second network device sends capability information to the first network device, where the capability information includes antenna port and beam information supported by the second network device, and whether digital domain beamforming is supported. Then the second network device receives first indication information from the first network device, where the first indication information includes information indicating a second receiving beam and a second sending beam used by the second network device on the second hop link. Wherein, the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the second network device receives information indicating the second receive beam and the second transmit beam used by it on the second hop link from the first network device, and the second receive beam and the second transmit beam is determined by the first network device based on the capability information of the second network device on the second hop link.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to the second network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the first indication information includes information indicating a second receive beam and a second transmit beam used by the second network device on the second hop link;
  • the receiving the first indication information from the first network device includes: receiving third indication information from the first network device, and the third indication information includes indicating that the second network device is in the The antenna port used on the second hop link and the renumbered antenna port serial number information;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on a second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the second network device receives first indication information from the first network device, where the first indication information includes indicating the second receiving beam and the second transmitting beam used by the second network device on the second hop link information; the first indication information includes third indication information, and the third indication information includes information indicating the antenna port used by the second network device on the second hop link and the renumbered antenna port serial number.
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link. It should be noted that renumbering the antenna ports is equivalent to reconfiguring the relationship between the antenna ports and the corresponding beams.
  • the second network device receives information indicating the second receive beam and the second transmit beam used by it on the second hop link from the first network device, and the second receive beam and the second transmit beam is determined by the first network device based on the capability information of the second network device on the second hop link.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to the second network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the first indication information includes information indicating a second receive beam and a second transmit beam used by the second network device on the second hop link;
  • the receiving the first indication information from the first network device includes: receiving the second indication information from the first network device, and the second indication information includes indicating that the second network device is in the information about the antenna ports used on the second hop link;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on a second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the second network device receives first indication information from the first network device, where the first indication information includes indicating the second receiving beam and the second transmitting beam used by the second network device on the second hop link information; the first indication information includes second indication information, and the second indication information includes information indicating the antenna port used by the second network device on the second hop link.
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the second network device receives information indicating the second receive beam and the second transmit beam used by it on the second hop link from the first network device, and the second receive beam and the second transmit beam is determined by the first network device based on the capability information of the second network device on the second hop link.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to the second network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the capability information includes antenna port and beam information supported by the second network device, and/or whether the second network device supports digital domain beamforming.
  • the first indication information includes information indicating a second receive beam and a second transmit beam used by the second network device on the second hop link;
  • the receiving the first indication information from the first network device includes: receiving the first indication information from the first network device Fourth indication information, where the fourth indication information includes information indicating the time domain resource configured by the first network device for the second network device and the antenna port used by the time domain resource;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on a second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the second network device sends capability information to the first network device, where the capability information includes whether the second network device supports digital domain beamforming. Then the second network device receives first indication information from the first network device, where the first indication information includes information indicating a second receiving beam and a second sending beam used by the second network device on the second hop link.
  • the first indication information includes fourth indication information
  • the first indication information includes fourth indication information.
  • the four indication information includes information indicating the time domain resource configured for the second network device and the antenna port used by the time domain resource.
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the second network device sends capability information to the first network device, where the capability information includes antenna port and beam information supported by the second network device, and whether digital domain beamforming is supported. Then the second network device receives first indication information from the first network device, where the first indication information includes information indicating a second receiving beam and a second sending beam used by the second network device on the second hop link.
  • the first indication information includes fourth indication information
  • the first indication information includes fourth indication information.
  • the four indication information includes information indicating the time domain resource configured for the second network device and the antenna port used by the time domain resource.
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the second network device receives information indicating the second receive beam and the second transmit beam used by it on the second hop link from the first network device, and the second receive beam and the second transmit beam is determined by the first network device based on the capability information of the second network device on the second hop link.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to the second network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the capability information includes antenna port and beam information supported by the second network device, and/or whether the second network device supports digital domain beamforming.
  • the first indication information includes information indicating a second receive beam and a second transmit beam used by the second network device on the second hop link;
  • the receiving the first indication information from the first network device includes: receiving the first network device from the first network device Five indication information, the fifth indication information including information indicating the time domain and frequency domain resources configured by the first network device for the second network device and the antenna ports used by the time domain and frequency domain resources;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on a second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • the second network device sends capability information to the first network device, where the capability information includes whether the second network device supports digital domain beamforming. Then the second network device receives first indication information from the first network device, where the first indication information includes information indicating a second receiving beam and a second sending beam used by the second network device on the second hop link.
  • the first indication information includes fifth indication information
  • the fifth indication information includes indicating the time domain and time domain configured for the second network device. Information about frequency domain resources and antenna ports used by the time domain and frequency domain resources.
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the second network device sends capability information to the first network device, where the capability information includes antenna port and beam information supported by the second network device, and whether digital domain beamforming is supported. Then the second network device receives first indication information from the first network device, where the first indication information includes information indicating a second receiving beam and a second sending beam used by the second network device on the second hop link.
  • the first indication information includes fifth indication information
  • the fifth indication information includes indicating the time domain and time domain configured for the second network device. Information about frequency domain resources and antenna ports used by the time domain and frequency domain resources.
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link.
  • the receiving the fifth indication information from the first network device includes:
  • time domain and frequency domain resources are periodic time domain and frequency domain resources.
  • the high layer signaling may be RRC signaling or MAC CE signaling.
  • the second network device sends capability information to the first network device, where the capability information includes whether the second network device supports digital domain beamforming.
  • the sixth indication information from the first network device is received through high-level signaling, and the sixth indication information includes an indication for Time domain and frequency domain resources configured by the second network device and information about antenna ports used by the time domain and frequency domain resources.
  • the time domain and frequency domain resources are periodic time domain and frequency domain resources.
  • the time domain and frequency domain resources and the information of the antenna ports used by the time domain and frequency domain resources are determined by the first network device based on the capability information of the second network device on the second hop link.
  • the time domain resources can be one or more time periods in the configuration period, where N time slots are one time period; the frequency domain resources can be one or more resource blocks, when multiple resources When using a resource block, it may be a continuous resource block or a discontinuous resource block.
  • the information of the antenna port includes the serial number of the transmitting antenna port and/or the serial number of the receiving antenna port.
  • the receiving the fifth indication information from the first network device includes:
  • time-domain and frequency-domain resources are time-domain and frequency-domain resources after k time slots at the time when the SCI signaling is sent, and k is a positive integer greater than or equal to 0.
  • the second network device sends capability information to the first network device, where the capability information includes whether the second network device supports digital domain beamforming.
  • the seventh indication information from the first network device is received through sidelink control information SCI signaling, and the seventh indication
  • the information includes information indicating time domain and frequency domain resources configured for the second network device and antenna ports used by the time domain and frequency domain resources.
  • the time-domain and frequency-domain resources are time-domain and frequency-domain resources after k time slots when the SCI signaling is sent, and k is a positive integer greater than or equal to 0.
  • the time domain and frequency domain resources and the information of the antenna ports used by the time domain and frequency domain resources are determined by the first network device based on the capability information of the second network device on the second hop link.
  • the SCI signaling is the physical layer control signaling issued by the base station to the smart relay.
  • the second network device receives information indicating the second receive beam and the second transmit beam used by it on the second hop link from the first network device, and the second receive beam and the second transmit beam is determined by the first network device based on the capability information of the second network device on the second hop link.
  • FIG. 8 is a flowchart of a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 8, the method includes:
  • Step 801 Receive eighth indication information from the first network device, where the eighth indication information includes the first receive beam and the first transmit beam used by the second network device on the first hop link;
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device;
  • the first hop link is a communication link between the first network device and the second network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes the first receive beam and the first transmit beam used by the second network device on the first hop link Information.
  • the first receiving beam and the first sending beam are determined by the first network device based on the first information reported by the second network device to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes the first receive beam and the first transmit beam used by the second network device on the first hop link Information.
  • the first receiving beam and the first sending beam are determined by the first network device based on the measurement information about the first reference signal reported by the second network device to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes the first receive beam and the first transmit beam used by the second network device on the first hop link Information.
  • the first receiving beam is determined by the first network device based on the measurement information about the first reference signal reported by the second network device to the first network device
  • the first sending beam is determined by the first network device based on the second network device determined by the SRS sent to the first network device.
  • the second network device receives information indicating the first receive beam and the first transmit beam used by it on the first hop link from the first network device, and the first receive beam and the first transmit beam is determined by the first network device based on the first information reported by the second network device to the first network device.
  • FIG. 9 is a flowchart of a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 9, the method includes:
  • Step 901 receiving a first reference signal from the first network device
  • Step 902 measure the first reference signal and generate measurement information, where the measurement information includes a measurement quantity obtained by measuring the first reference signal;
  • Step 903 sending the measurement information to the first network device
  • Step 904 Receive eighth indication information from the first network device, where the eighth indication information includes the first receive beam and the first transmit beam used by the second network device on the first hop link;
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device, where the first information includes the measurement information;
  • the first hop link is a communication link between the first network device and the second network device.
  • the second network device receives the first reference signal from the first network device, and the second network device measures the first reference signal to generate measurement information, and the measurement information includes performing a measurement on the first reference signal Measure the measured quantity obtained.
  • the second network device sends the measurement information to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes information indicating the first receive beam and the first transmit beam used by the second network device on the first hop link.
  • the first receiving beam and the first sending beam are determined by the first network device based on first information reported by the second network device to the first network device, where the first information includes the above measurement information.
  • the second network device receives information indicating the first receive beam and the first transmit beam used by it on the first hop link from the first network device, and the first receive beam and the first transmit beam is determined by the first network device based on the first information reported by the second network device to the first network device.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to the second network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the eighth indication information includes indicating the first receive beam and the first transmit beam used by the second network device on the first hop link;
  • the eighth indication information includes information indicating a quasi-co-located QCL reference signal corresponding to a specific downlink reference signal, or information indicating a QCL reference signal corresponding to a specific downlink channel;
  • the first hop link is a communication link between the first network device and the second network device.
  • the second network device receives the first reference signal from the first network device, and the second network device measures the first reference signal to generate measurement information, and the measurement information includes performing a measurement on the first reference signal Measure the measured quantity obtained.
  • the second network device sends the measurement information to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes information indicating the quasi-co-located QCL reference signal corresponding to the specific downlink reference signal.
  • the first receiving beam and the first sending beam are determined by the first network device based on first information reported by the second network device to the first network device, where the first information includes the above measurement information.
  • the second network device receives the first reference signal from the first network device, and the second network device measures the first reference signal to generate measurement information, and the measurement information includes performing a measurement on the first reference signal Measure the measured quantity obtained.
  • the second network device sends the measurement information to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes information indicating the QCL reference signal corresponding to the specific downlink channel.
  • the first receiving beam and the first sending beam are determined by the first network device based on first information reported by the second network device to the first network device, where the first information includes the above measurement information.
  • beam direction can be realized by utilizing TCI status and quasi-co-location.
  • the first network device may configure a corresponding TCI state for each downlink reference signal or downlink channel, and indicate the downlink reference signal and the QCL reference signal corresponding to the downlink channel through the TCI state.
  • the second network device believes that the downlink reference signal and the downlink channel are sent using the same beam as the QCL reference signal, so the downlink reference signal or the target downlink channel can be received by using the receiving beam of the QCL reference signal.
  • the second network device receives information indicating the first receive beam and the first transmit beam used by it on the first hop link from the first network device, and the first receive beam and the first transmit beam is determined by the first network device based on the first information reported by the second network device to the first network device.
  • FIG. 10 is a flow chart showing a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 10 , the method includes:
  • Step 1001 receiving a first reference signal from the first network device
  • Step 1002 measure the first reference signal and generate measurement information, where the measurement information includes a measurement quantity obtained by measuring the first reference signal;
  • Step 1003 sending the measurement information to the first network device
  • Step 1004 receiving eighth indication information from the first network device, where the eighth indication information includes instructing the second network device to use the first receiving beam and the first sending beam on the first hop link;
  • Step 1005 Determine the first transmission beam based on the eighth indication information
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device, where the first information includes the measurement information;
  • the first hop link is a communication link between the first network device and the second network device.
  • the second network device receives the first reference signal from the first network device, and the second network device measures the first reference signal to generate measurement information, and the measurement information includes performing a measurement on the first reference signal Measure the measured quantity obtained.
  • the second network device sends the measurement information to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes the first receive beam and the first transmit beam used by the second network device on the first hop link.
  • the eighth indication information includes indication information indicating a specific downlink reference signal or a QCL reference signal corresponding to a specific downlink channel
  • the second network device indicates the specific downlink reference signal or the QCL reference signal corresponding to a specific downlink channel.
  • the indication information is to determine the first sending beam according to the first receiving beam by using the reciprocity of beams after the first receiving beam is determined.
  • the second network device receives information indicating the first receive beam and the first transmit beam used by it on the first hop link from the first network device, and the first receive beam and the first transmit beam is determined by the first network device based on the first information reported by the second network device to the first network device.
  • FIG. 11 is a flow chart showing a beam management method for a second network device according to an exemplary embodiment. As shown in Fig. 11 , the method includes:
  • Step 1101 sending a Sounding Reference Signal SRS to the first network device
  • Step 1102 receiving eighth indication information from the first network device, where the eighth indication information includes the first receive beam and the first transmit beam used by the second network device on the first hop link;
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device, where the first information includes the SRS;
  • the first hop link is a communication link between the first network device and the second network device.
  • the second network device receives the first reference signal from the first network device, and the second network device measures the first reference signal to generate measurement information, and the measurement information includes performing a measurement on the first reference signal Measure the measured quantity obtained.
  • the second network device sends the measurement information to the first network device.
  • the second network device sends the SRS to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes the first receive beam and the first transmit beam used by the second network device on the first hop link.
  • the second network device receives information indicating the first receive beam and the first transmit beam used by it on the first hop link from the first network device, and the first receive beam and the first transmit beam is determined by the first network device based on the first information reported by the second network device to the first network device.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to the second network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the eighth indication information includes indicating the first receive beam and the first transmit beam used by the second network device on the first hop link;
  • the first receiving beam and the first transmitting beam are determined by the first network device based on first information from the second network device, the first information includes the SRS, the The eighth indication information includes information indicating an uplink signal or a QCL reference signal corresponding to an uplink channel, and/or an SRS resource indication;
  • the first hop link is a communication link between the first network device and the second network device.
  • the second network device receives the first reference signal from the first network device, and the second network device measures the first reference signal to generate measurement information, and the measurement information includes performing a measurement on the first reference signal Measure the measured quantity obtained.
  • the second network device sends the measurement information to the first network device.
  • the second network device sends the SRS to the first network device.
  • the second network device instructs to receive, from the first network device, indication information indicating a specific downlink reference signal or a QCL reference signal corresponding to a specific downlink channel, to determine the first receiving beam.
  • the second network device receives indication information indicating an uplink reference signal or a QCL reference signal corresponding to an uplink channel, and/or an SRS resource indication from the first network device, to determine the first transmission beam.
  • the second network device receives information indicating the first receive beam and the first transmit beam used by it on the first hop link from the first network device, and the first receive beam and the first transmit beam is determined by the first network device based on the first information reported by the second network device to the first network device.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to the second network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the first reference signal is a synchronization signal block SSB or a channel state information reference signal CSI-RS;
  • the eighth indication information includes indicating the first receive beam and the first transmit beam used by the second network device on the first hop link;
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device;
  • the first hop link is a communication link between the first network device and the second network device.
  • the second network device receives a first reference signal from the first network device, the first reference signal is a synchronization signal block SSB, and the second network device measures the first reference signal to generate measurement information, and the measurement The information includes a measurement quantity obtained by measuring the first reference signal.
  • the second network device sends the measurement information to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes information indicating the first receive beam and the first transmit beam used by the second network device on the first hop link.
  • the first receiving beam and the first sending beam are determined by the first network device based on the first information reported by the second network device to the first network device, and the first information includes the above measurement information.
  • the second network device receives a first reference signal from the first network device, the first reference signal is a channel state information reference signal CSI-RS, and the second network device measures the first reference signal to generate measurement information , the measurement information includes a measurement quantity obtained by measuring the first reference signal.
  • the second network device sends the measurement information to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes information indicating the first receive beam and the first transmit beam used by the second network device on the first hop link.
  • the first receiving beam and the first sending beam are determined by the first network device based on first information reported by the second network device to the first network device, where the first information includes the above measurement information.
  • the second network device receives information indicating the first receive beam and the first transmit beam used by it on the first hop link from the first network device, and the first receive beam and the first transmit beam is determined by the first network device based on the first information reported by the second network device to the first network device.
  • An embodiment of the present disclosure provides a beam management method for a second network device, and the method is applied to the second network device.
  • the method may be executed independently, or may be executed in combination with any other embodiment of the embodiments of the present disclosure.
  • the method includes:
  • the measurement information includes a measurement quantity obtained by measuring the first reference signal, and the measurement quantity includes at least one of the following: reference signal received power RSRP , the reference signal receiving command RSRQ, the signal-to-interference-plus-noise ratio SINR, and the received signal strength indicator RSSI;
  • the eighth indication information includes indicating the first receive beam and the first transmit beam used by the second network device on the first hop link;
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device;
  • the first hop link is a communication link between the first network device and the second network device.
  • the second network device receives the first reference signal from the first network device, and the second network device measures the first reference signal to generate measurement information, and the measurement information includes performing a measurement on the first reference signal Measure the measured quantity obtained.
  • the second network device sends the measurement information to the first network device.
  • the second network device receives eighth indication information from the first network device, where the eighth indication information includes information indicating the first receive beam and the first transmit beam used by the second network device on the first hop link.
  • the first receiving beam and the first sending beam are determined by the first network device based on first information reported by the second network device to the first network device, where the first information includes the above measurement information.
  • the measurement quantity includes at least one of the following: Reference Signal Received Power RSRP, Reference Signal Received Instruction RSRQ, Signal-to-Interference-plus-Noise Ratio SINR, Received Signal Strength Indicator RSSI
  • the second network device receives information indicating the first receive beam and the first transmit beam used by it on the first hop link from the first network device, and the first receive beam and the first transmit beam is determined by the first network device based on the first information reported by the second network device to the first network device.
  • An embodiment of the present disclosure provides a beam management device, which is applied to a first network device, as shown in FIG. 12 , including:
  • the processing module 1201 is configured to determine a second receiving beam and a second transmitting beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link. beam;
  • a sending module 1202 configured to send first indication information to the second network device, where the first indication information includes information indicating a second receiving beam and a second sending beam;
  • the second hop link is a communication link between the second network device and the user equipment.
  • An embodiment of the present disclosure provides a beam management apparatus, which is applied to a first network device, as shown in FIG. 13 , including:
  • the processing module 1301 is configured to determine a first receiving beam and a first sending beam used by the second network device on the first hop link based on the first information sent by the second network device;
  • the sending module 1302 is configured to send eighth indication information to the second network device, where the eighth indication information includes information indicating the first receiving beam and the first sending beam;
  • the first hop link is a communication link between the first network device and the second network device.
  • An embodiment of the present disclosure provides a beam management apparatus, which is applied to a second network device, as shown in FIG. 14 , including:
  • the receiving module 1401 is configured to receive first indication information from the first network device, where the first indication information includes the second receiving beam and the second receiving beam used by the second network device on the second hop link transmit beam information;
  • the second receiving beam and the second sending beam are determined by the first network device based on capability information of the second network device on the second hop link;
  • the second hop link is a communication link between the second network device and the user equipment.
  • An embodiment of the present disclosure provides a beam management apparatus, which is applied to a second network device, as shown in FIG. 15 , including:
  • the receiving module 1501 is configured to receive eighth indication information from the first network device, where the eighth indication information includes the first receiving beam and the first receiving beam used by the second network device on the first hop link transmit beam;
  • the first receiving beam and the first sending beam are determined by the first network device based on first information from the second network device;
  • the first hop link is a communication link between the first network device and the second network device.
  • An embodiment of the present disclosure provides a network side device, including:
  • memory for storing processor-executable instructions
  • the processor is configured to execute the executable instructions in the memory to implement the steps of the above beam management method.
  • An embodiment of the present disclosure provides a network side device, including:
  • memory for storing processor-executable instructions
  • the processor is configured to execute the executable instructions in the memory to implement the steps of the above beam management method.
  • An embodiment of the present disclosure provides a non-transitory computer-readable storage medium on which executable instructions are stored, and when the executable instructions are executed by a processor, the steps of the above beam management method are implemented.
  • An embodiment of the present disclosure provides a non-transitory computer-readable storage medium on which executable instructions are stored, and when the executable instructions are executed by a processor, the steps of the above beam management method are implemented.
  • Fig. 16 is a block diagram showing a beam management apparatus 1600 according to an exemplary embodiment.
  • apparatus 1600 may be provided as a base station.
  • apparatus 1600 includes processing component 1622, which further includes one or more processors, and a memory resource represented by memory 1632 for storing instructions executable by processing component 1622, such as application programs.
  • An application program stored in memory 1632 may include one or more modules each corresponding to a set of instructions.
  • the processing component 1622 is configured to execute instructions to perform the above method for accessing an unlicensed channel.
  • Device 1600 may also include a power component 1626 configured to perform power management of device 1600 , a wired or wireless network interface 1650 configured to connect device 1600 to a network, and an input-output (I/O) interface 1659 .
  • the device 1600 can operate based on an operating system stored in the memory 1632, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • Fig. 17 is a block diagram of a beam management device 1700 according to an exemplary embodiment.
  • apparatus 1700 may be provided as an intelligent relay.
  • apparatus 1700 includes processing component 1722 , which further includes one or more processors, and a memory resource represented by memory 1732 for storing instructions executable by processing component 1722 , such as application programs.
  • the application programs stored in memory 1732 may include one or more modules each corresponding to a set of instructions.
  • the processing component 1722 is configured to execute instructions to perform the above method for accessing an unlicensed channel.
  • Device 1700 may also include a power component 1726 configured to perform power management of device 1700 , a wired or wireless network interface 1750 configured to connect device 1700 to a network, and an input output (I/O) interface 1759 .
  • the device 1700 can operate based on an operating system stored in the memory 1732, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • the first network device determines the second receiving beam and the second sending beam used by the second network device on the second hop link based on the capability information of the second network device on the second hop link, thereby realizing The second network device, that is, the beamforming function of the intelligent relay on the second hop link, effectively improves the performance of the intelligent relay.
  • the first network device determines the first receiving beam and the first sending beam used by the second network device on the first hop link, thereby realizing the second network device, that is, the smart The beamforming function of the relay on the first-hop link effectively improves the performance of the intelligent relay.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente divulgation concerne un procédé et un appareil de gestion de faisceau pour un second dispositif de réseau, un dispositif et un support de stockage. Le procédé de gestion de faisceau pour un second dispositif de réseau est appliqué à un premier dispositif de réseau, et consiste à : sur la base d'informations de capacité du second dispositif de réseau sur une seconde liaison de saut, déterminer un second faisceau de réception et un second faisceau d'envoi utilisé par le second dispositif de réseau sur la seconde liaison de saut ; et envoyer des premières informations d'indication au second dispositif de réseau, les premières informations d'indication comprenant des informations indiquant le second faisceau de réception et le second faisceau d'envoi. Le procédé réalise une fonction de formation de faisceau d'un relais intelligent sur une seconde liaison de saut, et améliore efficacement les performances du relais intelligent.
PCT/CN2021/135171 2021-12-02 2021-12-02 Procédé et appareil de gestion de faisceau pour second dispositif de réseau, dispositif et support de stockage WO2023097625A1 (fr)

Priority Applications (2)

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CN202180004352.2A CN116548040A (zh) 2021-12-02 2021-12-02 一种针对第二网络设备的波束管理方法、装置、设备及存储介质
PCT/CN2021/135171 WO2023097625A1 (fr) 2021-12-02 2021-12-02 Procédé et appareil de gestion de faisceau pour second dispositif de réseau, dispositif et support de stockage

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017208071A1 (fr) * 2016-05-31 2017-12-07 Alcatel Lucent Procédé, dispositif de réseau et dispositif de terminal dans un système de communication à ondes millimétriques basé sur un faisceau
CN108702634A (zh) * 2016-08-05 2018-10-23 华为技术有限公司 探测参考信号的发送方法和装置
CN109391455A (zh) * 2017-08-14 2019-02-26 华为技术有限公司 信息传输方法及网络设备
CN109478915A (zh) * 2016-09-22 2019-03-15 华为技术有限公司 测量配置方法和装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017208071A1 (fr) * 2016-05-31 2017-12-07 Alcatel Lucent Procédé, dispositif de réseau et dispositif de terminal dans un système de communication à ondes millimétriques basé sur un faisceau
CN108702634A (zh) * 2016-08-05 2018-10-23 华为技术有限公司 探测参考信号的发送方法和装置
CN109478915A (zh) * 2016-09-22 2019-03-15 华为技术有限公司 测量配置方法和装置
CN109391455A (zh) * 2017-08-14 2019-02-26 华为技术有限公司 信息传输方法及网络设备

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