WO2023088424A1 - Procédé et dispositif de gestion de faisceaux - Google Patents

Procédé et dispositif de gestion de faisceaux Download PDF

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Publication number
WO2023088424A1
WO2023088424A1 PCT/CN2022/132862 CN2022132862W WO2023088424A1 WO 2023088424 A1 WO2023088424 A1 WO 2023088424A1 CN 2022132862 W CN2022132862 W CN 2022132862W WO 2023088424 A1 WO2023088424 A1 WO 2023088424A1
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Prior art keywords
cell
terminal
serving cell
network device
bfr
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PCT/CN2022/132862
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English (en)
Chinese (zh)
Inventor
谢芳
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2023088424A1 publication Critical patent/WO2023088424A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

Definitions

  • the present disclosure relates to the technical field of mobile communication, and in particular to a beam management method and equipment.
  • the 5G system may work in the high frequency band of 6-100GHZ, by introducing multi-beam deployment to ensure the coverage of public control channels and even data channels. Because the quality of high-frequency beams changes rapidly and is easily blocked, beam failure (Beam Failure, BF) will occur.
  • 5G is the fifth generation mobile communication technology (5th Generation Mobile Communication Technology).
  • TRP Transmission Reception Point
  • At least one embodiment of the present disclosure provides a beam management method and device, capable of implementing cross-cell beam management.
  • an embodiment of the present disclosure provides a beam management method, including:
  • the first terminal When the beam of the first cell is unavailable for the first terminal, if the beam of the second cell is available, the first terminal does not perform RRC connection re-establishment, wherein the first cell is the service of the first terminal A cell, where the second cell is a non-serving cell of the first terminal.
  • the beam unavailability of the cell refers to: the terminal has a radio link failure RLF in the cell, or the beam failure recovery process of the terminal in the cell is in a pending state, or the BFR process of the terminal in the cell has not been cancelled, Or, the BFR process of the terminal in the cell is not successful, or the BFR process of the terminal in the cell is not completed;
  • the beam availability of the cell refers to: the terminal does not detect a beam failure in the cell, or the terminal successfully performs BFR after detecting a beam failure, or the BFR process of the terminal in the cell is canceled, or the terminal detects a high-quality beam in the cell. Beams that are above or below the target threshold.
  • the above method also includes:
  • the first terminal performs RRC re-establishment when a preset condition is met, where the preset condition includes at least one of the following:
  • the beams of both the serving cell and the non-serving cell are unavailable
  • the beam of the serving cell is unavailable, and the beam quality of the non-serving cell is lower than or not higher than the first threshold
  • the beam of the serving cell is unavailable, and the number of beams whose beam quality of the non-serving cell is higher than or not lower than the second threshold is lower than or not higher than the third threshold.
  • the above method also includes:
  • the first terminal records beam-related report information
  • the first terminal sends the beam-related report information to the network, where the beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the above method also includes:
  • the first terminal uses the BFD configuration information of the second cell to perform BFD in the second cell;
  • the first terminal uses the BFR configuration information of the second cell to perform BFR.
  • the above method also includes:
  • the first terminal After the first terminal successfully performs BFR using the BFR configuration information of the second cell, it sends the identification information of the new beam of the second cell to the first network device, where the first network device is the The network device to which the first cell belongs.
  • the above method also includes:
  • the first terminal After the first terminal successfully performs BFR by using the BFR configuration information of the second cell, it further sends the cell identity information of the second cell to the first network device.
  • the above method also includes:
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • an embodiment of the present disclosure provides a beam management method, the method including:
  • the first network device sends BFD configuration information and/or BFR configuration information of the second cell to the first terminal, where the first network device is the network device to which the first cell belongs, and the first cell is the The serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the above method also includes:
  • the method further includes:
  • the first network device receives the BFD configuration information and/or the BFR configuration information of the second cell sent by the second network device, where the second network device is a network device to which the second cell belongs.
  • the above method also includes:
  • the first network device receives beam-related report information from the first terminal, where the beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the serving cell in the beam-related report information is the first cell.
  • the first network device receives beam-related report information from the first terminal, including at least one of the following:
  • the first network device receives the beam-related report information sent by the first terminal
  • the first network device receives the beam-related report information sent by a third network device, where the third network device is a network device to which the third cell belongs.
  • the above method also includes:
  • the first network device determines whether a too late handover has occurred in the first cell according to the report information related to the beam;
  • the second terminal is handed over to an adjacent cell containing an available beam in advance, wherein the second terminal is The first cell is used as the terminal of the serving cell.
  • the above method also includes:
  • the first network device determines whether a too late handover has occurred in the first cell according to the report information related to the beam;
  • the second terminal is handed over to a corresponding beam that includes an available beam in advance An adjacent cell, wherein the second terminal is a terminal that uses the first cell as a serving cell.
  • the above method also includes:
  • the first network device receives the identification information of the new beam of the second cell sent by the first terminal after successfully performing BFR using the BFR configuration information of the second cell, or receives the second beam sent by the second network device Identification information of a new beam of a terminal in the second cell, where the second network device is the network device to which the second cell belongs;
  • the first network device cooperates with the second network device to jointly provide the data service for the first terminal, and the second network device provides the data service for the first terminal through the new beam.
  • the above method also includes:
  • the first network device further receives the cell identity information of the second cell sent by the first terminal after successfully performing BFR using the BFR configuration information of the second cell.
  • an embodiment of the present disclosure provides a beam management method, including:
  • the first terminal When the beam of the first cell is unavailable but the beam of the second cell is available, the first terminal records beam-related report information, wherein the first cell is the serving cell of the first terminal, and the second The cell is a non-serving cell of the first terminal;
  • the first terminal sends the beam-related report information to the network, where the beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • an embodiment of the present disclosure provides a beam management method, including:
  • the first network device receives beam-related report information from the first terminal, where the beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the serving cell in the beam-related report information is a first cell, and the first cell is a cell belonging to the first network device.
  • the first network device receives beam-related report information from the first terminal, including at least one of the following:
  • the first network device receives the beam-related report information sent by the first terminal
  • the first network device receives the beam-related report information sent by the third network device, where the third network device is a network device to which the third cell belongs.
  • the above method also includes:
  • the first network device determines whether a too late handover has occurred in the first cell according to the report information related to the beam;
  • the second terminal is handed over to an adjacent cell containing an available beam in advance, wherein the second terminal is The first cell is used as the terminal of the serving cell.
  • the above method also includes:
  • the first network device determines whether a too late handover has occurred in the first cell according to the report information related to the beam;
  • the second terminal is handed over to a corresponding beam that includes an available beam in advance An adjacent cell, wherein the second terminal is a terminal that uses the first cell as a serving cell.
  • an embodiment of the present disclosure provides a terminal, including a transceiver and a processor, wherein,
  • the processor is configured to not perform RRC connection reestablishment if the beam of the second cell is available when the beam of the first cell is unavailable, wherein the first cell is a serving cell of the terminal, and the The second cell is a non-serving cell of the first terminal.
  • an embodiment of the present disclosure provides a terminal, including: a processor, a memory, and a program stored on the memory and operable on the processor, and the program is implemented when executed by the processor. The steps of the method as described in the first aspect.
  • an embodiment of the present disclosure provides a network device, including a transceiver and a processor, wherein,
  • the transceiver is configured to send BFD configuration information and/or BFR configuration information of the second cell to the first terminal, where the network device is the network device to which the first cell belongs, and the first cell is the The serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • an embodiment of the present disclosure provides a first network device, including: a processor, a memory, and a program stored in the memory and operable on the processor, the program being executed by the processor When executed, the steps of the method described in the second aspect are realized.
  • an embodiment of the present disclosure provides a terminal, including a transceiver and a processor, where,
  • the processor is configured to record beam-related report information when the beam of the first cell is unavailable and the beam of the second cell is available, wherein the first cell is a serving cell of the terminal, and the The second cell is a non-serving cell of the first terminal;
  • the beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • an embodiment of the present disclosure provides a terminal, including: a processor, a memory, and a program stored on the memory and operable on the processor, and the program is implemented when executed by the processor. The steps of the method as described in the third aspect.
  • an embodiment of the present disclosure provides a network device, including a transceiver and a processor, wherein,
  • the transceiver is configured to receive beam-related report information from the terminal, where the beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the serving cell in the beam-related report information is a first cell, and the first cell is a cell belonging to the first network device.
  • an embodiment of the present disclosure provides a network device, including: a processor, a memory, and a program stored on the memory and operable on the processor, and the program is executed by the processor When realizing the steps of the method as described in the third aspect.
  • the embodiments of the present disclosure provide a computer-readable storage medium, where a program is stored on the computer-readable storage medium, and when the program is executed by a processor, the steps of the above method are implemented.
  • the beam management method and equipment provided by the embodiments of the present disclosure do not directly perform RRC connection re-establishment when the beam of the serving cell is unavailable and the beam of the non-serving cell is available, but continues to communicate with the non-serving cell.
  • the network performs data communication, thereby avoiding terminal communication interruption caused by RRC connection re-establishment, reducing the impact on the terminal data rate, and improving the user's experience of using the network.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present disclosure
  • Fig. 2 is a schematic diagram of a BFD and BFR process
  • FIG. 3 is a flowchart of a beam management method provided by an embodiment of the present disclosure
  • FIG. 4 is another flowchart of a beam management method provided by an embodiment of the present disclosure.
  • FIG. 5 is another flowchart of a beam management method provided by an embodiment of the present disclosure.
  • FIG. 6 is another flowchart of a beam management method provided by an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a terminal according to another embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of a network device according to another embodiment of the present disclosure.
  • the technology described herein is not limited to the NR system and the evolution (LTE-Advanced, LTE-A) system of the Long Time Evolution (Long Time Evolution, LTE)/LTE, and can also be used in various wireless communication systems, such as Code Division Multiple Access (Code Division Multiple Access, CDMA), Time Division Multiple Access (Time Division Multiple Access, TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems.
  • CDMA Code Division Multiple Access
  • Time Division Multiple Access Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • the CDMA system can implement radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA) and the like.
  • UTRA includes Wideband CDMA (Wideband Code Division Multiple Access, WCDMA) and other CDMA variants.
  • a TDMA system implements a radio technology such as Global System for Mobile Communication (GSM).
  • GSM Global System for Mobile Communication
  • the OFDMA system can realize radios such as UltraMobile Broadband (UltraMobile Broadband, UMB), Evolution-UTRA (Evolution-UTRA, E-UTRA), IEEE 802.21 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, etc. technology.
  • UTRA and E-UTRA are part of the Universal Mobile Telecommunications System (UMTS). LTE and LTE-Advanced (like LTE-A) are new UMTS releases that use E-UTRA.
  • UMTS Universal Mobile Telecommunications System
  • UTRA, E-UTRA, UMTS, LTE, LTE-A and GSM are described in documents from an organization named "3rd Generation Partnership Project” (3GPP).
  • CDMA2000 and UMB are described in documents from an organization named “3rd Generation Partnership Project 2" (3GPP2).
  • the techniques described herein may be used for the systems and radio technologies mentioned above as well as other systems and radio technologies.
  • the following description describes NR systems for example purposes, and NR terminology is used in much of the following description, although the techniques are applicable to applications other than NR system applications as well.
  • FIG. 1 shows a block diagram of a wireless communication system to which an embodiment of the present disclosure is applicable.
  • the wireless communication system includes a terminal 11 and a network device 12 .
  • the terminal 11 can also be called a user terminal or user equipment (UE, User Equipment), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (Personal Digital Assistant) , PDA), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted equipment and other terminal-side devices.
  • UE User Equipment
  • PDA Personal Digital Assistant
  • mobile Internet device Mobile Internet Device
  • MID wearable device
  • Vehicle-mounted equipment other terminal-side devices.
  • the specific type of terminal 11 is not limited in the embodiments of the present disclosure. .
  • the network device 12 may be a base station and/or a core network element, wherein the above-mentioned base station may be a base station of 5G and later versions (for example: gNB, 5G NR NB, etc.), or a base station in other communication systems (for example: eNB, wireless Local area network (Wireless Local Area Networks, WLAN) access point, or other access point, etc.), wherein the base station can be called Node B, evolved Node B, access point, base transceiver station (Base Transceiver Station, BTS ), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved B Node, WLAN access point, WiFi node or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiments of the present disclosure, only The base station in the NR system
  • the base stations may communicate with terminals 11 under the control of a base station controller, which may be part of a core network or certain base stations in various examples. Some base stations can communicate control information or user data with the core network through the backhaul. In some examples, some of these base stations may communicate with each other directly or indirectly via a backhaul link, which may be a wired or wireless communication link.
  • a wireless communication system may support operation on multiple carriers (waveform signals of different frequencies).
  • a multi-carrier transmitter is capable of transmitting modulated signals on the multiple carriers simultaneously. For example, each communication link may be a multi-carrier signal modulated according to various radio technologies. Each modulated signal may be sent on a different carrier and may carry control information (eg, reference signal, control channel, etc.), overhead information, data, etc.
  • a base station may communicate wirelessly with terminals 11 via one or more access point antennas. Each base station may provide communication coverage for a respective respective coverage area. The coverage area of an access point may be divided into sectors that constitute only a portion of the coverage area.
  • a wireless communication system may include different types of base stations (eg, macro base stations, micro base stations, or pico base stations). The base stations may also utilize different radio technologies, such as cellular or WLAN radio access technologies. Base stations may be associated with the same or different access networks or operator deployments. Coverage areas of different base stations (including coverage areas of base stations of the same or different types, coverage areas utilizing the same or different radio technologies, or coverage areas belonging to the same or different access networks) may overlap.
  • a communication link in a wireless communication system may include an uplink for carrying an uplink (Uplink, UL) transmission (for example, from a terminal 11 to a network device 12), or for carrying a downlink (Downlink, DL) transmission.
  • Downlink of transmission eg, from network device 12 to terminal 11
  • UL transmissions can also be called reverse link transmissions
  • DL transmissions can also be called forward link transmissions.
  • Downlink transmissions may be performed using licensed frequency bands, unlicensed frequency bands, or both.
  • uplink transmissions may be performed using licensed frequency bands, unlicensed frequency bands, or both.
  • FIG. 2 provides a processing flow of beam failure recovery (BFR) performed by the UE and the base station during beam failure detection (Beam Failure Detection, BFD).
  • BFR beam failure recovery
  • the base station first configures BFD and BFR-related parameters for the UE, such as the time length and times of BFD detection, the quality threshold of BFR beams, the list of candidate beams and dedicated random access resources, etc.
  • the UE detects beam failure, it starts the BFR process, and completes the BFR through the random access process.
  • the related technology only supports beam management inside the serving cell, and the flow chart shown in FIG. 2 is only applicable to the beam failure discovery and recovery process of the serving cell. Moreover, when the serving cell has no beam that can be recovered, the UE will declare a radio link failure (Radio Link Failure, RLF), and at this time, the RRC connection will be reestablished.
  • RLF Radio Link Failure
  • the UE For the scenario where beams are used across cells, if the UE occurs BFD at a neighboring cell or a TRP with different PCIs, since the UE has not established a radio resource control (Radio Resource Control, RRC) connection with the neighboring cell or TRP, the BFD/ If BFR-related parameters cannot be configured to the UE, the UE cannot restore the beam, which will affect the service experience of the UE; in addition, when the serving cell has no beam that can be restored, according to related technologies, the UE will still declare that the radio link fails RLF, In turn, RRC re-establishment occurs, resulting in a decrease in the data rate and user experience of the UE.
  • RRC Radio Resource Control
  • the present disclosure provides a beam management method to implement cross-cell beam management.
  • the embodiments of the present disclosure can also reduce RRC reconstruction, ensure the data rate of the terminal, and improve user experience.
  • a beam management method provided by an embodiment of the present disclosure when applied to the first terminal side, includes:
  • Step 31 When the beam of the first cell is not available for the first terminal, if the beam of the second cell is available, the first terminal does not perform RRC connection re-establishment, wherein the first cell is the first cell The serving cell of the terminal, and the second cell is a non-serving cell of the first terminal.
  • the non-serving cell refers to a cell for which the first terminal has not established an RRC connection. Therefore, the first terminal can perform data communication with the network through the non-serving cell, but cannot receive RRC signaling from the non-serving cell through the RRC connection. .
  • the unavailable beam of the cell refers to: RLF occurs in the terminal in the cell, or the beam failure recovery process of the terminal in the cell is in a pending (pending) state, or the BFR process of the terminal in the cell has not been cancelled, Or, the BFR process of the terminal in the cell is not successful, or the BFR process of the terminal in the cell is not completed.
  • the beam availability of the cell refers to: the terminal does not detect a beam failure in the cell, or the terminal successfully performs BFR after detecting a beam failure, or the BFR process of the terminal in the cell is canceled, or the terminal detects a high-quality beam in the cell. Beams that are above or below the target threshold.
  • the unavailable beam of the first terminal in the first cell means that the first terminal has RLF in the first cell or the BFR process in the first cell fails.
  • the available beam of the first terminal in the second cell means that the first terminal does not detect a beam failure in the second cell, or successfully performs BFR after detecting a beam failure in the second cell.
  • the embodiment of the present disclosure does not directly perform RRC connection re-establishment when the beam of the first cell is unavailable.
  • the terminal can communicate with the network through the second cell. Data communication, thereby avoiding terminal communication interruption caused by RRC connection re-establishment, reducing the impact on terminal data rate, and improving user experience on the network.
  • the first terminal performs RRC reconstruction when the preset condition is met, and the preset condition includes at least one of the following:
  • the beam of the serving cell is unavailable, and the beam quality of the non-serving cell is lower than or not higher than the first threshold.
  • the serving cell is unavailable and the beam quality of the non-serving cell is also lower than the first threshold, it means that the communication quality of the non-serving cell may not meet the requirements.
  • RRC re-establishment may also be performed.
  • the beam of the serving cell is unavailable, and the number of beams whose beam quality of the non-serving cell is higher than or not lower than the second threshold is lower than or not higher than the third threshold.
  • the communication quality of the non-serving cell may also be difficult to meet the needs of the terminal, and RRC reconstruction may also be performed at this time.
  • the first terminal may also record beam-related report information, and then send the beam-related report information to the network, where the beam-related report information includes at least one of the following:
  • the first terminal may wait until the RRC connection with the network is successfully established, and then send the The reporting information related to the above beams is sent to the network.
  • the first terminal may record the above beam-related report information when detecting that the beam of the serving cell is unavailable. Since the RRC connection between the first terminal and the network may not be available at this time, the first terminal may wait until the subsequent successful establishment of the RRC connection with the network before sending the beam-related report information to the network. At this time, the cell where the first terminal establishes the RRC connection may be the same as or different from the previous serving cell.
  • the previous serving cell is the first cell, and the first cell belongs to the first network device (such as the first base station or the first TRP); the subsequent successfully established RRC connection is called the third cell, and the third cell belongs to The third network device (such as the third base station or the third TRP), the first network device and the third network device may be the same device or different devices.
  • the first network device such as the first base station or the first TRP
  • the subsequent successfully established RRC connection is called the third cell
  • the third cell belongs to The third network device (such as the third base station or the third TRP)
  • the first network device and the third network device may be the same device or different devices.
  • the first terminal detects that the beam of the first cell is unavailable but the beam of the second cell (non-serving cell) is available, and records the beam correlation Then, after successfully establishing the RRC connection with the third cell, the first terminal sends the report information related to the beam to the third network device to which the third cell belongs. At this time, the serving cell of the first terminal for the third district.
  • the third network device After receiving the beam-related report information, the third network device determines whether the serving cell (that is, the first cell) in the beam-related report information is the cell of the network device, and if so, saves the beam-related report information , otherwise, sending the beam-related report information to a network device (ie, the first network device) to which the serving cell (ie, the first cell) in the beam-related report information belongs.
  • the third network device may also generate the report information related to the beam by itself and send it to the first network device.
  • the first terminal needs to perform BFD and/or BFR on the second cell (non-serving cell). Specifically, the first terminal uses the BFD configuration information of the second cell, and in the second The cell performs BFD; and/or, when the first terminal detects that the beam of the second cell fails, it uses the BFR configuration information of the second cell to perform BFR.
  • the first terminal may also send identification information of a new beam of the second cell to the first network device, wherein the first The network device is the network device to which the serving cell belongs.
  • the serving cell and the new beam of the second cell can jointly provide the data service for the first terminal.
  • the first terminal may also send the cell identity information of the second cell to the first network device.
  • the first terminal In order to perform BFD and/or BFR on the serving cell, the first terminal needs to obtain BFD configuration information and/or BFR configuration information of the non-serving cell in advance.
  • the first network device may provide the above information to the first terminal, and at this time, the first terminal may receive the BFD configuration information and/or BFR configuration information of the second cell sent by the first network device.
  • the BFD configuration information includes: at least one of beam failure maximum times (beamFailureInstanceMaxCount) and beam failure detection timing (beamFailureDetectionTimer); the BFR configuration information includes: beam quality threshold, candidate beam list, BFR dedicated random access resources at least one.
  • beam failureMaxCount beam failure maximum times
  • beamFailureDetectionTimer beam failure detection timing
  • a beam management method provided by an embodiment of the present disclosure, when applied to the first network device, includes:
  • Step 41 the first network device sends BFD configuration information and/or BFR configuration information of the second cell to the first terminal, wherein the first network device is the network device to which the first cell belongs, and the first cell is a serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • the BFD configuration information may specifically include: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the first network device can send the BFD configuration information and/or BFR configuration information of the second cell (non-serving cell) to the first terminal, so that the first terminal can perform BFD and/or BFR improves the beam recovery capability of the terminal on non-serving cells, thereby ensuring the data rate of the terminal and improving the user experience of the network.
  • the first network device may receive the BFD configuration information and/or BFR configuration information of the second cell sent by the second network device, wherein the second network device belongs to the second cell Internet equipment. Specifically, the first network device may send a first request to the second network device for requesting BFD configuration information and/or BFR configuration information of the second cell, and then receive the above-mentioned BFD configuration information and/or BFR configuration information fed back by the second network device. BFR configuration information.
  • the first network device may also receive the first beam-related report information from the first terminal, and the first beam-related report information includes at least one of the following:
  • the serving cell in the report information related to the first beam is the first cell.
  • the receiving manner of the report information related to the first beam includes at least one of the following:
  • the first network device may receive report information related to the first beam sent by the first terminal;
  • the first network device receives the report information related to the first beam sent by a third network device, where the third network device is a network device to which the third cell belongs.
  • the first network device may also receive the report information related to the second beam sent by the third terminal, and at this time, the first network device may determine whether the serving cell in the report information related to the second beam is the current If yes, store the report information related to the second beam; otherwise, forward the report information related to the second beam to the fourth cell to which the serving cell in the report information related to the second beam belongs.
  • Internet equipment
  • the first network device may also determine whether the first cell is A too late switchover has occurred.
  • the manner of judging too late switching may be any one of the following, it should be noted that the following are only some examples of judging manners, and the present disclosure is not limited thereto:
  • the first network device may further perform an early handover process on a terminal currently served by the first cell. That is to say, the first network device can use the received historical beam-related report information to determine whether there is a handover problem in its own cell, and if so, it can perform early handover for terminals in the current cell to reduce or avoid The problem of unavailable service cell beams reduces the impact on terminal communication and improves users' experience in using the network.
  • the first network device handovers the second terminal to an adjacent cell that includes available beams in advance according to the measurement information reported by the second terminal, wherein the second terminal switches the The first cell is used as the terminal of the serving cell.
  • the handover time point obtained based on the adjusted handover parameters is earlier than the handover time point obtained based on the handover parameters before adjustment.
  • the switching time point realizes the early switching of the terminal.
  • the first network device may switch the second terminal to a corresponding beam that includes an available beam in advance according to the time difference between the measurement information reported by the second terminal and the report information related to the first beam.
  • An adjacent cell wherein the second terminal is a terminal that uses the first cell as a serving cell. For example, a timing advance is determined according to the time difference; then, based on the measurement information, a first switching time is determined, and the first switching time is advanced to a second switching time according to the timing advance, Then the handover of the second terminal is performed when the second handover time arrives.
  • the first network device may also receive the identification information of the new beam of the second cell sent by the first terminal after successfully performing BFR using the BFR configuration information of the second cell, or and receiving identification information of a new beam of the first terminal in the second cell sent by a second network device, where the second network device is a network device to which the second cell belongs. Then, the first network device cooperates with the second network device to jointly provide data services for the first terminal, where the second network device is a network device to which the second cell belongs, and the The second network device provides a data service for the first terminal through the new beam.
  • the first network device may also receive the cell identity information of the second cell sent by the first terminal after successfully performing BFR using the BFR configuration information of the second cell.
  • Another beam management method provided by an embodiment of the present disclosure, when applied to the first terminal, includes:
  • Step 51 the first terminal records report information related to the first beam when the beam of the first cell is unavailable and the beam of the second cell is available, wherein the first cell is the serving cell of the first terminal , the second cell is a non-serving cell of the first terminal.
  • Step 52 the first terminal sends the report information related to the first beam to the network, and the report information related to the first beam includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the first terminal may wait until the RRC connection with the network is successfully established, Then send the report information related to the first beam to the network.
  • the first terminal can report beam-related report information to the network, which can be used by the network to determine whether the first cell is switched too late, thereby providing relevant reference information for the network to improve the communication quality of the terminal.
  • the above methods in the embodiments of the present disclosure can provide the network with information for assisting decision-making in beam management and/or handover, so as to improve the communication quality of the terminal and improve the terminal's experience of using the network.
  • the first terminal may also use the BFD configuration information of the second cell to perform BFD on the second cell; and/or, when the first terminal detects that the second cell When the beam fails, the BFR configuration information of the second cell is used to perform BFR.
  • the first terminal may send the identification information of the new beam of the second cell to the first network device, wherein, the first network device is a network device to which the first cell belongs.
  • the first terminal may also send the cell identity information of the second cell to the first network device after successfully performing BFR using the BFR configuration information of the second cell .
  • the first terminal may also receive the BFD configuration information and/or BFR configuration information of the second cell sent by the first network device, where the first network device is the first cell The network device to which it belongs.
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the first terminal may not perform RRC connection re-establishment if the beam of the second cell is available, wherein the first A cell is a serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • the first terminal performs RRC re-establishment when a preset condition is met, where the preset condition includes at least one of the following:
  • the beams of both the serving cell and the non-serving cell are unavailable
  • the beam of the serving cell is unavailable, and the beam quality of the non-serving cell is lower than or not higher than the first threshold
  • the beam of the serving cell is unavailable, and the number of beams whose beam quality of the non-serving cell is higher than or not lower than the second threshold is lower than or not higher than the third threshold.
  • another beam management method provided by an embodiment of the present disclosure, when applied to the first network device includes:
  • Step 61 The first network device receives first beam-related report information from the first terminal, where the first beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the serving cell in the report information related to the first beam is a first cell, and the first cell is a cell belonging to the first network device.
  • the first network device can receive the beam-related report information from the first terminal, so that it can judge whether the cell has a problem such as too late handover based on this information, and then can help the network improve the communication quality of the terminal and improve the quality of the terminal. experience with the network.
  • the first network device may also receive report information related to the first beam from the first terminal, including at least one of the following:
  • the first network device receives report information related to the first beam sent by the first terminal;
  • the first network device receives the report information related to the first beam sent by a third network device, where the third network device is a network device to which the third cell belongs.
  • the first network device may also judge whether a too late handover has occurred in the first cell according to the report information related to the first beam; In the case of handover, according to the measurement information reported by the second terminal, the second terminal is handed over to an adjacent cell including an available beam in advance, wherein the second terminal uses the first cell as a serving cell terminal.
  • the first network device may also determine whether a too late handover has occurred in the first cell according to the report information related to the first beam; In the case of handover, according to the time difference between the measurement information reported by the second terminal and the report information related to the first beam, the second terminal is handed over to an adjacent cell containing an available beam in advance, wherein the first beam The second terminal is a terminal using the first cell as a serving cell.
  • the first network device may also send the BFD configuration information and/or BFR configuration information of the second cell to the first terminal, where the first network device is the network to which the first cell belongs device, the first cell is a serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • the first network device before the first network device sends the BFD configuration information and/or BFR configuration information of the second cell to the first terminal, it may also receive the second network device sent by the second network device.
  • BFD configuration information and/or BFR configuration information of a cell wherein the second network device is a network device to which the second cell belongs.
  • an embodiment of the present disclosure also provides a terminal 700, including:
  • the first processing module 701 is configured to not perform RRC connection reestablishment if the beam of the second cell is available when the beam of the first cell is unavailable, wherein the first cell is a serving cell of the terminal, The second cell is a non-serving cell of the terminal.
  • the beam unavailability of the cell refers to: the terminal has a radio link failure RLF in the cell, or the beam failure recovery process of the terminal in the cell is in a pending state, or the BFR process of the terminal in the cell has not been cancelled, Or, the BFR process of the terminal in the cell is not successful, or the BFR process of the terminal in the cell is not completed;
  • the beam availability of the cell refers to: the terminal does not detect a beam failure in the cell, or the terminal successfully performs BFR after detecting a beam failure, or the BFR process of the terminal in the cell is canceled, or the terminal detects a high-quality beam in the cell. Beams that are above or below the target threshold.
  • the terminal also includes:
  • the second processing module is configured to perform RRC reconstruction when a preset condition is met, wherein the preset condition includes at least one of the following:
  • the beams of both the serving cell and the non-serving cell are unavailable
  • the beam of the serving cell is unavailable, and the beam quality of the non-serving cell is lower than or not higher than the first threshold
  • the beam of the serving cell is unavailable, and the number of beams whose beam quality of the non-serving cell is higher than or not lower than the second threshold is lower than or not higher than the third threshold.
  • the terminal also includes:
  • a recording module configured to record beam-related report information
  • a reporting module configured to send the beam-related report information to the network, where the beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the reporting module is configured to send the report information related to the beam to the network after the terminal successfully establishes the RRC connection with the network.
  • the terminal also includes:
  • a third processing module configured to use the BFD configuration information of the second cell to perform BFD on the second cell; and/or, when detecting a beam failure of the second cell, use the second cell BFR configuration information for BFR.
  • the terminal also includes:
  • the first sending module is configured to send the identification information of the new beam of the second cell to the first network device after successfully performing BFR using the BFR configuration information of the second cell, wherein the first network device is the network device to which the first cell belongs.
  • the terminal also includes:
  • the second sending module is configured to send the cell identity information of the second cell to the first network device after BFR is successfully performed using the BFR configuration information of the second cell.
  • the terminal also includes:
  • the first receiving module is configured to receive BFD configuration information and/or BFR configuration information of the second cell sent by a first network device, where the first network device is a network device to which the first cell belongs.
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the device in this embodiment corresponds to the method shown in FIG. 3 above, and the implementations in the above embodiments are all applicable to this embodiment of the device, and can also achieve the same technical effect.
  • the above-mentioned equipment provided by the embodiments of the present disclosure can realize all the method steps realized by the above-mentioned method embodiments, and can achieve the same technical effect, and the same parts and beneficial effects in this embodiment as in the method embodiments will not be described in detail here. repeat.
  • the embodiment of the present disclosure also provides another terminal 800, including: a transceiver 801 and a processor 802;
  • the processor 802 is configured to not perform RRC connection reestablishment if the beam of the second cell is available when the beam of the first cell is unavailable, wherein the first cell is a serving cell of the terminal, The second cell is a non-serving cell of the terminal.
  • the beam unavailability of the cell refers to: the terminal has a radio link failure RLF in the cell, or the beam failure recovery process of the terminal in the cell is in a pending state, or the BFR process of the terminal in the cell has not been cancelled, Or, the BFR process of the terminal in the cell is not successful, or the BFR process of the terminal in the cell is not completed;
  • the beam availability of the cell refers to: the terminal does not detect a beam failure in the cell, or the terminal successfully performs BFR after detecting a beam failure, or the BFR process of the terminal in the cell is canceled, or the terminal detects a high-quality beam in the cell. Beams that are above or below the target threshold.
  • the terminal also includes:
  • the processor is further configured to perform RRC reconstruction when preset conditions are met, wherein the preset conditions include at least one of the following:
  • the beams of both the serving cell and the non-serving cell are unavailable
  • the beam of the serving cell is unavailable, and the beam quality of the non-serving cell is lower than or not higher than the first threshold
  • the beam of the serving cell is unavailable, and the number of beams whose beam quality of the non-serving cell is higher than or not lower than the second threshold is lower than or not higher than the third threshold.
  • the processor is further configured to record beam-related report information
  • the transceiver is configured to send the beam-related report information to the network, and the beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the processor is further configured to send the report information related to the beam to the network after successfully establishing the RRC connection with the network.
  • the terminal also includes:
  • the processor is further configured to use the BFD configuration information of the second cell to perform BFD in the second cell; and/or, when a beam failure of the second cell is detected, use the second The BFR configuration information of the cell performs BFR.
  • the terminal also includes:
  • the transceiver is further configured to send identification information of a new beam of the second cell to the first network device after successfully performing BFR using the BFR configuration information of the second cell, wherein the first network
  • the device is a network device to which the first cell belongs.
  • the terminal also includes:
  • the transceiver is further configured to send the cell identity information of the second cell to the first network device after successfully performing BFR using the BFR configuration information of the second cell.
  • the terminal also includes:
  • the transceiver is further configured to receive BFD configuration information and/or BFR configuration information of the second cell sent by a first network device, where the first network device is a network device to which the first cell belongs.
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the device in this embodiment corresponds to the method shown in FIG. 3 above, and the implementations in the above embodiments are all applicable to this embodiment of the device, and can also achieve the same technical effect.
  • the above-mentioned equipment provided by the embodiments of the present disclosure can realize all the method steps realized by the above-mentioned method embodiments, and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those of the method embodiments will not be described in detail here. repeat.
  • an embodiment of the present disclosure also provides a network device 900, including:
  • the first sending module 901 is configured to send BFD configuration information and/or BFR configuration information of the second cell to the first terminal, where the network device is the network device to which the first cell belongs, and the first cell is The serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the network device also includes:
  • the first receiving module is configured to receive BFD configuration information and/or BFR configuration information of the second cell sent by a second network device, where the second network device is a network device to which the second cell belongs.
  • the network device also includes:
  • the second receiving module is configured to receive first beam-related report information from the first terminal, where the first beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the serving cell in the report information related to the first beam is the first cell.
  • the second receiving module is further configured to receive report information related to the first beam sent by the first terminal; and/or receive report information related to the first beam sent by a third network device , the third network device is a network device to which the third cell belongs.
  • the network device also includes:
  • a first judging module configured to judge whether a too late handover has occurred in the first cell according to the report information related to the first beam
  • the first processing module is configured to handover the second terminal to an adjacent cell containing an available beam in advance according to the measurement information reported by the second terminal when the first cell is handed over too late, wherein , the second terminal is a terminal using the first cell as a serving cell.
  • the network device also includes:
  • a second judging module configured to judge whether a too late handover has occurred in the first cell according to the report information related to the first beam
  • the second processing module is configured to send the second terminal to the second terminal according to the time difference between the measurement information reported by the second terminal and the report information related to the first beam when the first cell is handed over too late Handover to an adjacent cell that includes an available beam in advance, wherein the second terminal is a terminal that uses the first cell as a serving cell.
  • the network device also includes:
  • the third receiving module is configured to receive the identification information of the new beam of the second cell sent by the first terminal after successfully performing BFR using the BFR configuration information of the second cell, or receive the identification information sent by the second network device Identification information of a new beam of the first terminal in the second cell, where the second network device is a network device to which the second cell belongs;
  • the service module is configured to cooperate with the second network device to jointly provide data services for the first terminal, wherein the second network device provides data services for the first terminal through the new beam.
  • the network device also includes:
  • the fourth receiving module is configured to receive the cell identity information of the second cell sent by the first terminal after successfully performing BFR using the BFR configuration information of the second cell.
  • the device in this embodiment corresponds to the method shown in FIG. 4 above, and the implementations in the above embodiments are all applicable to this embodiment of the device, and can also achieve the same technical effect.
  • the above-mentioned equipment provided by the embodiments of the present disclosure can realize all the method steps realized by the above-mentioned method embodiments, and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those of the method embodiments will not be described in detail here. repeat.
  • an embodiment of the present disclosure also provides a network device 1000, including: a transceiver 1001 and a processor 1002;
  • the transceiver 1001 is configured to send BFD configuration information and/or BFR configuration information of the second cell to the first terminal, wherein the network device is the network device to which the first cell belongs, and the first cell is The serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the transceiver is further configured to receive BFD configuration information and/or BFR configuration information of the second cell sent by a second network device, where the second network device is the network equipment.
  • the transceiver is further configured to receive first beam-related report information from the first terminal, where the first beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the serving cell in the report information related to the first beam is the first cell.
  • the transceiver is further configured to receive report information related to the first beam sent by the first terminal; and/or receive report information related to the first beam sent by a third network device, the The third network device is the network device to which the third cell belongs.
  • the processor is configured to determine whether a too late handover has occurred in the first cell according to report information related to the first beam; in the case of a too late handover in the first cell, According to the measurement information reported by the second terminal, the second terminal is handed over to an adjacent cell including an available beam in advance, where the second terminal is a terminal using the first cell as a serving cell.
  • the processor is configured to determine whether a too late handover has occurred in the first cell according to report information related to the first beam; in the case of a too late handover in the first cell, According to the time difference between the measurement information reported by the second terminal and the report information related to the first beam, the second terminal is handed over to an adjacent cell containing an available beam in advance, wherein the second terminal is to switch the first beam to a neighboring cell
  • the first cell is used as the terminal of the serving cell.
  • the transceiver is further configured to receive identification information of a new beam of the second cell sent by the first terminal after successfully performing BFR using the BFR configuration information of the second cell, or receive the first terminal The identification information of the new beam of the first terminal in the second cell sent by the second network device, wherein the second network device is the network device to which the second cell belongs;
  • the processor is further configured to cooperate with the second network device to jointly provide data services for the first terminal, and the second network device provides data services for the first terminal through the new beam.
  • the transceiver is further configured to receive cell identity information of the second cell sent by the first terminal after successfully performing BFR using the BFR configuration information of the second cell.
  • the device in this embodiment corresponds to the method shown in FIG. 4 above, and the implementations in the above embodiments are all applicable to this embodiment of the device, and can also achieve the same technical effect.
  • the above-mentioned equipment provided by the embodiments of the present disclosure can realize all the method steps realized by the above-mentioned method embodiments, and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those of the method embodiments will not be described in detail here. repeat.
  • an embodiment of the present disclosure also provides a terminal 1100, including a processor 1101, a memory 1102, and a computer program stored in the memory 1102 and operable on the processor 1101.
  • the computer program is executed by the processor 1101. During execution, each process of the embodiment of the beam management method shown in FIG. 3 above can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • an embodiment of the present disclosure also provides a network device 1200, including a processor 1201, a memory 1202, and a computer program stored in the memory 1202 and operable on the processor 1201.
  • the computer program is executed by the processor
  • the embodiment of the present disclosure also provides another terminal 1300, including:
  • the first recording module 1301 is configured to record report information related to the first beam when the beam of the first cell is unavailable and the beam of the second cell is available, wherein the first cell is a serving cell of the terminal , the second cell is a non-serving cell of the terminal;
  • the first sending module 1302 is configured to send the first beam-related report information to the network, where the first beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the first sending module 1302 is further configured to send the report information related to the first beam to the network after successfully establishing the RRC connection with the network.
  • the terminal also includes:
  • a first processing module configured to use the BFD configuration information of the second cell to perform BFD on the second cell; and/or, when detecting a beam failure of the second cell, use the second cell BFR configuration information for BFR.
  • the terminal also includes:
  • the second sending module is configured to send the identification information of the new beam of the second cell to the first network device after successfully performing BFR using the BFR configuration information of the second cell, wherein the first network device is the network device to which the first cell belongs.
  • the terminal also includes:
  • the third sending module is configured to send the cell identity information of the second cell to the first network device after BFR is successfully performed using the BFR configuration information of the second cell.
  • the terminal also includes:
  • the first receiving module is configured to receive BFD configuration information and/or BFR configuration information of the second cell sent by a first network device, where the first network device is a network device to which the first cell belongs.
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the terminal also includes:
  • the second processing module is configured to not perform RRC connection re-establishment if the beam of the second cell is available when the beam of the first cell is unavailable, wherein the first cell is the serving cell of the first terminal , the second cell is a non-serving cell of the first terminal.
  • the terminal also includes:
  • the third processing module is configured to perform RRC reconstruction when a preset condition is met, wherein the preset condition includes at least one of the following:
  • the beams of both the serving cell and the non-serving cell are unavailable
  • the beam of the serving cell is unavailable, and the beam quality of the non-serving cell is lower than or not higher than the first threshold
  • the beam of the serving cell is unavailable, and the number of beams whose beam quality of the non-serving cell is higher than or not lower than the second threshold is lower than or not higher than the third threshold.
  • the device in this embodiment corresponds to the method shown in FIG. 5 above, and the implementations in the above embodiments are all applicable to this embodiment of the device, and can also achieve the same technical effect.
  • the above-mentioned equipment provided by the embodiments of the present disclosure can realize all the method steps realized by the above-mentioned method embodiments, and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those of the method embodiments will not be described in detail here. repeat.
  • an embodiment of the present disclosure also provides a terminal 1400, including: a transceiver 1401 and a processor 1402;
  • the processor 1402 is configured to record report information related to the first beam when the beam of the first cell is unavailable and the beam of the second cell is available, wherein the first cell is a serving cell of the terminal , the second cell is a non-serving cell of the terminal;
  • the transceiver 1401 is configured to send the first beam-related report information to the network, where the first beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the transceiver 1401 is further configured to send the report information related to the first beam to the network after successfully establishing the RRC connection with the network.
  • the processor is configured to use the BFD configuration information of the second cell to perform BFD on the second cell; and/or, when a beam failure of the second cell is detected, use the BFR is performed on the BFR configuration information of the second cell.
  • the transceiver is further configured to send the identification information of the new beam of the second cell to the first network device after successfully performing BFR using the BFR configuration information of the second cell, wherein the The first network device is the network device to which the first cell belongs.
  • the transceiver is further configured to send the cell identity information of the second cell to the first network device after successfully performing BFR using the BFR configuration information of the second cell.
  • the transceiver is further configured to receive BFD configuration information and/or BFR configuration information of the second cell sent by the first network device, where the first network device is the first cell to which the first cell belongs network equipment.
  • the BFD configuration information includes: at least one of beamFailureInstanceMaxCount and beamFailureDetectionTimer; the BFR configuration information includes: at least one of beam quality threshold, candidate beam list, and BFR dedicated random access resources.
  • the processor is further configured to not perform RRC connection re-establishment if the beam of the second cell is available when the beam of the first cell is unavailable, wherein the first cell is the second cell.
  • a serving cell of a terminal, the second cell is a non-serving cell of the terminal.
  • the processor machine is also configured to perform RRC reconstruction when preset conditions are met, wherein the preset conditions include at least one of the following:
  • the beams of both the serving cell and the non-serving cell are unavailable
  • the beam of the serving cell is unavailable, and the beam quality of the non-serving cell is lower than or not higher than the first threshold
  • the beam of the serving cell is unavailable, and the number of beams whose beam quality of the non-serving cell is higher than or not lower than the second threshold is lower than or not higher than the third threshold.
  • the device in this embodiment corresponds to the method shown in FIG. 5 above, and the implementations in the above embodiments are all applicable to this embodiment of the device, and can also achieve the same technical effect.
  • the above-mentioned equipment provided by the embodiments of the present disclosure can realize all the method steps realized by the above-mentioned method embodiments, and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those of the method embodiments will not be described in detail here. repeat.
  • an embodiment of the present disclosure also provides a network device 1500, including:
  • the first receiving module 1501 is configured to receive first beam-related report information from the first terminal, where the first beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the serving cell in the report information related to the first beam is a first cell, and the first cell is a cell belonging to the network device.
  • the network device also includes:
  • the second receiving module is configured to receive the report information related to the first beam from the first terminal, including at least one of the following:
  • Receive report information related to the first beam sent by a third network device where the third network device is a network device to which the third cell belongs.
  • the network device also includes:
  • the first processing module is configured to judge whether a too late handover has occurred in the first cell according to the report information related to the first beam; in the case of a too late handover in the first cell, according to the second terminal According to the reported measurement information, the second terminal is handed over to an adjacent cell including an available beam in advance, where the second terminal is a terminal that uses the first cell as a serving cell.
  • the network device also includes:
  • the second processing module is configured to judge whether a too late handover has occurred in the first cell according to the report information related to the first beam; in the case of a too late handover in the first cell, according to the second terminal
  • the time difference between the reported measurement information and the report information related to the first beam is used to switch the second terminal to an adjacent cell containing an available beam in advance, wherein the second terminal uses the first cell As the terminal of the serving cell.
  • the network device also includes:
  • the first sending module is configured to send BFD configuration information and/or BFR configuration information of the second cell to the first terminal, wherein the network device is the network device to which the first cell belongs, and the first cell is the The serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • the network device also includes:
  • a third receiving module configured to receive the BFD configuration information of the second cell sent by the second network device before sending the BFD configuration information and/or BFR configuration information of the second cell to the first terminal And/or BFR configuration information, wherein the second network device is the network device to which the second cell belongs.
  • the device in this embodiment is a device corresponding to the method shown in FIG. 6 above, and the implementations in the above embodiments are all applicable to this embodiment of the device, and can also achieve the same technical effect.
  • the above-mentioned equipment provided by the embodiments of the present disclosure can realize all the method steps realized by the above-mentioned method embodiments, and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those of the method embodiments will not be described in detail here. repeat.
  • an embodiment of the present disclosure also provides a network device 1600, including: a transceiver 1601 and a processor 1602;
  • the transceiver 1601 is configured to receive first beam-related report information from the first terminal, where the first beam-related report information includes at least one of the following:
  • First indication information used to indicate that the beam of the serving cell is unavailable and the beam of the non-serving cell is available
  • the serving cell in the report information related to the first beam is a first cell, and the first cell is a cell belonging to the network device.
  • the transceiver is further configured to receive report information related to the first beam from the first terminal, including at least one of the following:
  • Receive report information related to the first beam sent by a third network device where the third network device is a network device to which the third cell belongs.
  • the processor is configured to determine whether a too late handover has occurred in the first cell according to report information related to the first beam; in the case of a too late handover in the first cell, According to the measurement information reported by the second terminal, the second terminal is handed over to an adjacent cell including an available beam in advance, where the second terminal is a terminal using the first cell as a serving cell.
  • the processor is configured to determine whether a too late handover has occurred in the first cell according to report information related to the first beam; in the case of a too late handover in the first cell, According to the time difference between the measurement information reported by the second terminal and the report information related to the first beam, the second terminal is handed over to an adjacent cell containing an available beam in advance, wherein the second terminal is to switch the first beam to a neighboring cell
  • the first cell is used as the terminal of the serving cell.
  • the transceiver is further configured to send BFD configuration information and/or BFR configuration information of the second cell to the first terminal, where the network device is the network device to which the first cell belongs, and the The first cell is a serving cell of the first terminal, and the second cell is a non-serving cell of the first terminal.
  • the transceiver is further configured to receive, before sending the BFD configuration information and/or BFR configuration information of the second cell to the first terminal, the second network device sent by the second network device.
  • BFD configuration information and/or BFR configuration information of a cell wherein the second network device is a network device to which the second cell belongs.
  • the device in this embodiment is a device corresponding to the method shown in FIG. 6 above, and the implementations in the above embodiments are all applicable to this embodiment of the device, and can also achieve the same technical effect.
  • the above-mentioned equipment provided by the embodiments of the present disclosure can realize all the method steps realized by the above-mentioned method embodiments, and can achieve the same technical effect, so the parts and beneficial effects in this embodiment that are the same as those of the method embodiments will not be described in detail here. repeat.
  • an embodiment of the present disclosure also provides a terminal 1700, including a processor 1701, a memory 1702, and a computer program stored in the memory 1702 and operable on the processor 1701.
  • the computer program is executed by the processor 1701. During execution, each process of the embodiment of the beam management method shown in FIG. 5 above can be realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • an embodiment of the present disclosure also provides a network device 1800, including a processor 1801, a memory 1802, and a computer program stored in the memory 1802 and operable on the processor 1801.
  • the computer program is executed by the processor
  • When executing 1801, each process of the embodiment of the beam management method shown in FIG. 6 above is implemented, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • Embodiments of the present disclosure also provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, each process of the above-mentioned embodiment of the beam management method can be achieved, and the same To avoid repetition, the technical effects will not be repeated here.
  • the computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk, etc.) ) includes several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in various embodiments of the present disclosure.
  • a storage medium such as ROM/RAM, magnetic disk, optical disk, etc.
  • modules, units, sub-modules, sub-units, etc. can be implemented in one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment ( DSP Device, DSPD), Programmable Logic Device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, for In other electronic units or combinations thereof that perform the functions described in this disclosure.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD Programmable Logic Device
  • Field-Programmable Gate Array Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array

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Abstract

La présente divulgation concerne un procédé et un dispositif de gestion de faisceaux. Le procédé comprend les étapes suivantes : lorsque le faisceau d'une première cellule n'est pas disponible, si le faisceau de la seconde cellule est disponible, le premier terminal n'effectue pas de rétablissement de connexion RRC, la première cellule étant une cellule de desserte du premier terminal, et la seconde cellule étant une cellule de non desserte du premier terminal.
PCT/CN2022/132862 2021-11-19 2022-11-18 Procédé et dispositif de gestion de faisceaux WO2023088424A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190297537A1 (en) * 2018-03-22 2019-09-26 Asustek Computer Inc. Method and apparatus for beam failure handling in a wireless communication system
CN113228741A (zh) * 2019-03-29 2021-08-06 华为技术有限公司 以用户设备为中心的小区间移动性
CN113424461A (zh) * 2019-02-11 2021-09-21 苹果公司 用于增强波束恢复的装置和方法
WO2021207562A1 (fr) * 2020-04-08 2021-10-14 Idac Holdings, Inc. Procédés, appareils et systèmes destinés à une gestion de faisceaux en association avec de multiples cellules et/ou de multiples points d'émission/réception

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190297537A1 (en) * 2018-03-22 2019-09-26 Asustek Computer Inc. Method and apparatus for beam failure handling in a wireless communication system
CN113424461A (zh) * 2019-02-11 2021-09-21 苹果公司 用于增强波束恢复的装置和方法
CN113228741A (zh) * 2019-03-29 2021-08-06 华为技术有限公司 以用户设备为中心的小区间移动性
WO2021207562A1 (fr) * 2020-04-08 2021-10-14 Idac Holdings, Inc. Procédés, appareils et systèmes destinés à une gestion de faisceaux en association avec de multiples cellules et/ou de multiples points d'émission/réception

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