WO2022237812A1 - Procédé, dispositif et appareil de reconfiguration conditionnelle, et support de stockage - Google Patents

Procédé, dispositif et appareil de reconfiguration conditionnelle, et support de stockage Download PDF

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Publication number
WO2022237812A1
WO2022237812A1 PCT/CN2022/092086 CN2022092086W WO2022237812A1 WO 2022237812 A1 WO2022237812 A1 WO 2022237812A1 CN 2022092086 W CN2022092086 W CN 2022092086W WO 2022237812 A1 WO2022237812 A1 WO 2022237812A1
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Prior art keywords
target cell
information
execution conditions
configuration information
measurement
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PCT/CN2022/092086
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English (en)
Chinese (zh)
Inventor
张不方
许萌
梁靖
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大唐移动通信设备有限公司
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Publication of WO2022237812A1 publication Critical patent/WO2022237812A1/fr

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    • 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
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • 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
    • 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
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams

Definitions

  • the present disclosure relates to the technical field of wireless communication, and in particular to a conditional reconfiguration method, device, device and storage medium.
  • the current 3rd Generation Partnership Project (3GPP) protocol only supports the configuration of conditional handover (Condition Handover, CHO) or conditional primary secondary cell (Primary Secondary Cell, PSCell) for the user equipment (User Equipment, UE) on the network side ) add or change (Conditional PSCell Additional/Change, CPAC), that is, the UE only judges whether the primary cell (Primary Cell, PCell) handover condition is satisfied when configuring CHO, and only performs the PCell handover process, that is, the PCell handover process does not accompany PSCell addition or Change, or when the CPAC is configured, it is only judged whether the execution conditions of PSCell addition or change are met, so that only the PSCell addition or change process is executed, that is, the PSCell addition or change process is not accompanied by the PCell switching process. This will cause the UE to only perform PCell handover or only perform addition or change of PSCells, thereby degrading network performance.
  • conditional handover Condition Handover,
  • embodiments of the present disclosure provide a conditional reconfiguration method, device, device, and storage medium.
  • an embodiment of the present disclosure provides a conditional reconfiguration method, which is applied to a network node, and the method includes:
  • conditional reconfiguration configuration information includes at least configuration information of the measurement target cell, and configuration information of the associated target cell.
  • Configuration information, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information is included in the reconfiguration message.
  • the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information included in the conditional reconfiguration configuration information meet at least one of the following or multiple:
  • the configuration information of the measurement target cell includes synchronous reconfiguration configuration information or mobility control information
  • the configuration information of the associated target cell includes synchronous reconfiguration configuration information or mobility control information.
  • the auxiliary information for determining the beam is included in the conditional reconfiguration configuration information, or sent through a broadcast message, or sent through dedicated signaling.
  • the execution conditions related to the beam information include at least one of the following:
  • the beam identification information includes at least one of the following:
  • the auxiliary information for determining the beam includes at least one of the following:
  • the auxiliary information for determining the beam includes at least one of the following:
  • Auxiliary information for beam determination generated by the source master node MN is generated by the source master node MN.
  • the execution conditions related to the beam information include at least one of the following:
  • the cell group identifier determined by the source master node MN is the cell group identifier determined by the source master node MN.
  • the embodiment of the present disclosure also provides a conditional reconfiguration method, which is applied to a user equipment, and the method includes:
  • conditional reconfiguration configuration information includes at least: configuration information of a measurement target cell, association target Cell configuration information, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information;
  • Perform measurement evaluation on the measurement target cell determine the access measurement target cell, determine the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam, and access the determined access measurement target cell and the determined associated target cell.
  • the method includes: receiving a reconfiguration message sent by a network node including one or more conditional reconfiguration configuration information, and auxiliary information for determining beams; wherein the conditional reconfiguration configuration information includes at least: a measurement target Configuration information of the cell, configuration information of the associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information;
  • Perform measurement on the measurement target cell determine access to the measurement target cell; determine the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam;
  • the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information included in the conditional reconfiguration configuration information meet at least one of the following or multiple:
  • the configuration information of the measurement target cell includes synchronous reconfiguration configuration information or mobility control information
  • the configuration information of the associated target cell includes synchronous reconfiguration configuration information or mobility control information.
  • the auxiliary information for determining the beam is at least one of the following:
  • the execution conditions related to the beam information include at least one of the following:
  • the beam identification information includes at least one of the following:
  • the auxiliary information for determining the beam includes at least one of the following:
  • performing measurement evaluation on the measurement target cell and determining access to the measurement target cell includes:
  • the measurement evaluation selects a measurement target cell that meets the cell-level execution conditions, and determines access to the measurement target cell.
  • the measuring the measurement target cell and determining access to the measurement target cell includes:
  • the measurement target cell is measured, and the measurement target cell that satisfies the execution condition at the cell level is determined as the access measurement target cell.
  • determining the associated target cell based on the execution conditions related to the beam information and the auxiliary information for determining the beam, and accessing the determined access measurement target cell and the determined associated target cell include:
  • the associated target cell is determined based on the target beam and execution conditions related to the beam information.
  • the determination of the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam includes:
  • the associated target cell is determined based on the target beam and execution conditions related to the beam information.
  • the determining the target beam of the measurement target cell based on the auxiliary information for determining the beam includes at least one of the following:
  • the determining the target beam for accessing the measurement target cell based on the auxiliary information for determining the beam includes at least one of the following:
  • the beam measurement result is specifically at least one of the following:
  • the measurement result of the channel state information reference signal CSI-RS signal is the measurement result of the channel state information reference signal CSI-RS signal.
  • the determining the associated target cell based on the target beam and execution conditions related to the beam information includes:
  • the indication information associated with the determined target beam is at least one of the following:
  • an embodiment of the present disclosure further provides a network node, including a memory, a transceiver, and a processor, where:
  • a memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; a processor for reading the computer programs in the memory and realizing the conditions described in the first aspect above The steps of the reconfiguration method.
  • an embodiment of the present disclosure further provides a user equipment, including a memory, a transceiver, and a processor, where:
  • a memory for storing computer programs; a transceiver for sending and receiving data under the control of the processor; a processor for reading the computer programs in the memory and realizing the conditions described in the second aspect above The steps of the reconfiguration method.
  • an embodiment of the present disclosure further provides a conditional reconfiguration device, which is applied to a network node, and the device includes:
  • a sending unit configured to send a reconfiguration message including one or more conditional reconfiguration configuration information to the user equipment, and auxiliary information for determining a beam; wherein the conditional reconfiguration configuration information includes at least configuration information of a measurement target cell , configuration information of the associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information.
  • an embodiment of the present disclosure further provides a conditional reconfiguration apparatus, which is applied to a user equipment, and the apparatus includes:
  • the receiving unit is configured to receive a reconfiguration message including one or more conditional reconfiguration configuration information sent by a network node, and auxiliary information for determining a beam; wherein the conditional reconfiguration configuration information includes at least: measurement target cell Configuration information, configuration information associated with the target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information;
  • a determination unit configured to perform measurement evaluation on the measurement target cell, determine access to the measurement target cell, determine an associated target cell based on execution conditions related to the beam information and auxiliary information for determining the beam, and access the determined Accessing the measurement target cell and the determined associated target cell.
  • the embodiments of the present disclosure further provide a processor-readable storage medium, the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the above-mentioned first aspect.
  • the network node can send a reconfiguration message including execution conditions related to beam information to the user equipment, as well as auxiliary information for determining the beam, thereby assisting the user
  • the device determines the appropriate access measurement target cell and associated target cell, thereby improving the success rate and reliability of handover.
  • FIG. 1 is one of the schematic flowcharts of the conditional reconfiguration method provided by the embodiment of the present disclosure
  • Fig. 2 is the second schematic flow diagram of the conditional reconfiguration method provided by the embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a network node provided by an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a user equipment provided by an embodiment of the present disclosure.
  • Fig. 5 is one of the structural schematic diagrams of the conditional reconfiguration device provided by the embodiment of the present disclosure.
  • FIG. 6 is a second structural schematic diagram of a conditional reconfiguration device provided by an embodiment of the present disclosure.
  • 3GPP R16 introduced conditional handover and PSCell condition change in the secondary node (Secondary Node, SN) without the participation of the master node (Master Node, MN), and 3GPP R17 introduced the SN Conditions between PSCells are changed, and conditions for PSCells are added.
  • the network side pre-configures multiple target cells for the UE, that is, the configuration information of the target cell and the execution The condition is sent to the UE.
  • the UE When the UE receives the configuration information of the target cell, it will not immediately execute the handover or PSCell change or PSCell addition like the traditional handover, PSCell change or PSCell addition, but will save the received configuration and save the configuration options
  • the cell performs measurement and evaluation until there is a cell that meets the execution conditions, and the UE executes the stored reconfiguration message corresponding to the cell, and performs the corresponding handover or PSCell change or PSCell addition process, that is, completes downlink synchronization and triggers random access. into the target PCell or PSCell.
  • R16 only supports the network side to configure CHO or CPAC for the UE alone, that is, the UE only judges whether the PCell handover condition is met when configuring CHO, and only executes the PCell handover process, that is, the PCell handover process does not accompany the addition or change of the PSCell, or only when CPAC is configured It is judged whether the execution condition of adding or changing the PSCell is satisfied, so that only the adding or changing process of the PSCell is executed, that is, the adding or changing process of the PSCell is not accompanied by the switching process of the PCell.
  • the New Radio (NR) system supports multiple beams, and different beams can be identified by the Synchronization Signal Block (SSB) index, and the UE can also measure the channel state information reference signal (Channel State Information-Reference Signal , CSI-RS) signal to perform beam adjustment, and the network can determine the serving beam by measuring the strength of the reference signal.
  • SSB Synchronization Signal Block
  • CSI-RS Channel State Information-Reference Signal
  • R17 or R18 is expected to introduce research on the coexistence scenario of CHO and multi-radio access dual connectivity (Multi-RAT Dual Connectivity, MRDC).
  • MRDC multi-radio access dual connectivity
  • adding or changing a PSCell while performing conditional PCell handover can be performed while performing PCell handover.
  • Establishing the MRDC at the same time can reduce the time delay of establishing the MRDC, and help to improve the network throughput, or complete the mobility management of the PSCell while maintaining the PCell connection.
  • the network side can only configure cell-level execution conditions for the UE.
  • the network side can only configure cell-level execution conditions for the UE.
  • the PCell execution conditions are met, the UE still cannot determine that the PSCell addition or change is satisfied. This will cause the UE to only perform PCell handover, or the PSCell accessed by the UE is not an optimal PSCell or the handover fails, thereby degrading network performance.
  • each embodiment of the present disclosure provides a solution, the core idea of which is: for the conditional PCell switching scenario with PSCell addition or change, the execution condition related to beam information is introduced, that is, the network side can additionally be a candidate The execution conditions related to beam information corresponding to the configuration of the target PCell.
  • the UE can further select the best PSCell from the candidate PSCells associated with the PCell according to the execution condition related to the beam information, and simultaneously initiate The access of the PSCell.
  • This solution is also applicable when the measurement target is a PSCell, and the cell-level execution conditions and additional beam information-related execution conditions are configured for the candidate target PSCell.
  • the appropriate PCell access is selected according to the beam information, thereby Improve the success rate and reliability of switching.
  • the embodiments of the present disclosure are mainly described by taking the measurement target cell as the PCell as an example.
  • the technical solutions of the various embodiments of the present disclosure are not limited to the measurement target cell
  • the scenario where the cell is the PCell is also applicable to the scenario where the measurement target cell is the PSCell.
  • the measurement target cell is a PCell or PSCell; the associated target cell is: for the scenario where the measurement target cell is a PCell, the associated target cell is a PSCell; for the scenario where the measurement target cell is a PSCell , the associated target cell is a Pcell.
  • the target measurement node is the target MN; for the scenario where the measurement target cell is a PSCell, the target measurement node is the target SN.
  • FIG. 1 is a schematic flow diagram of a conditional reconfiguration method provided by an embodiment of the present disclosure.
  • the method is applied to a network node (such as a base station). As shown in FIG. 1 , the method includes the following steps:
  • Step 100 start;
  • Step 101 Send a reconfiguration message including one or more conditional reconfiguration configuration information to the user equipment, and auxiliary information for determining a beam; wherein, the conditional reconfiguration configuration information includes at least configuration information of a measurement target cell, an associated target cell The configuration information of the target cell, the execution conditions of the cell level of the measurement target cell, and the execution conditions related to the beam information.
  • the network node may be the source master node MN.
  • the measurement target cell may be a PCell or a PSCell.
  • the associated target cell is a PSCell.
  • the associated target cell is a PCell.
  • the network node may send to the user equipment a Or multiple reconfiguration messages of conditional reconfiguration configuration information and auxiliary information for determining beams.
  • the conditional reconfiguration configuration information at least includes configuration information of the measurement target cell, configuration information of the associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information.
  • the user equipment After the user equipment receives the above reconfiguration message and the auxiliary information for determining the beam, it can perform measurement evaluation on the candidate measurement target cell based on the cell-level execution conditions of the measurement target cell. When the measurement evaluation finds that a cell of a candidate measurement target cell After the execution condition of level is satisfied, the user equipment may determine the candidate measurement target cell as the access measurement target cell.
  • the user equipment After determining the access measurement target cell, the user equipment can determine the associated target cell corresponding to the access measurement target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam, and access the determined access measurement target cell.
  • the target cell and the determined associated target cell are the same or different.
  • the above-mentioned auxiliary information for determining the beam may be sent to the user equipment by the network node in various ways.
  • the command is sent to the user equipment (that is, sent before or accompanied by conditional reconfiguration).
  • the auxiliary information for determining the beam may be included in the execution conditions related to the beam information in the conditional reconfiguration configuration information, or Beam information-related execution conditions that may be included in the conditional reconfiguration configuration information.
  • the network node can send a reconfiguration message including execution conditions related to the beam information to the user equipment, as well as auxiliary information for determining the beam, thereby assisting the user equipment to determine appropriate access measurements The target cell and the associated target cell, thereby improving the success rate and reliability of handover.
  • the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information included in the conditional reconfiguration configuration information meet at least one of the following or multiple:
  • the conditional reconfiguration configuration information may include configuration information of a measurement target cell and configuration information of an associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to the associated target cell , taking the measurement target cell as PCell as an example, for example, for candidate target PCell 1, there are multiple candidate target PSCells (such as PSCell 1, PSCell 2, and PSCell 3), then a conditional reconfiguration configuration information can include PCell 1 Configuration information of PCell 1 and configuration information of PSCell 1, cell-level execution conditions of PCell 1, and execution conditions related to beam information corresponding to PSCell 1.
  • conditional reconfiguration configuration information can include configuration information of PCell 1 and PSCell 2 Configuration information of PCell 1, cell-level execution conditions of PCell 1, and execution conditions related to beam information corresponding to PSCell 2.
  • conditional reconfiguration configuration information can include configuration information of PCell 1, configuration information of PSCell 3, PCell The cell-level execution conditions of 1, and the execution conditions related to the beam information corresponding to PSCell 3.
  • the conditional reconfiguration configuration information may include configuration information of a measurement target cell and configuration information of at least one associated target cell, cell-level execution conditions of the measurement target cell, and beam information corresponding to each associated target cell. execution conditions.
  • a conditional reconfiguration configuration information can include PCell 1 Configuration information and configuration information of PSCell 1, PSCell 2, and PSCell 3, cell-level execution conditions of PCell 1, and execution conditions related to beam information corresponding to PSCell 1, PSCell 2, and PSCell 3.
  • the configuration information of the measurement target cell includes synchronous reconfiguration configuration information or mobility control information
  • the configuration information of the associated target cell includes synchronous reconfiguration configuration information or mobility control information.
  • the process of generating the configuration information of the measurement target cell and the configuration information of the associated target cell is illustrated below.
  • Embodiment 1 The process of generating configuration information including PCell and corresponding PSCell at the target MN side
  • Step 1 The target MN side obtains the candidate target PSCell determined by the target SN side, and the PSCell addition or change configuration information generated for the candidate target PSCell.
  • Step 2 The target MN selects candidate target PCells from the PCells recommended by the source MN.
  • Step 2-1 For the case where the PCell handover configuration information includes configuration information for adding or changing a PSCell: for each candidate target PCell, the target MN side generates a PCell that only includes the configuration information of one candidate target PSCell Switch configuration information.
  • Step 2-2 For the case where the PCell handover configuration information contains multiple PSCell added or changed configuration information: for each candidate target PCell, the target MN side generates for it including all candidate target information received from the target SN side. PCell handover configuration information of PSCell cell configuration information. Wherein, the PSCells may be the same Cell group or different.
  • Step 3 The target MN side transmits the generated PCell handover configuration information including the configuration information of one or more PSCell additions or changes to the source MN side.
  • the execution conditions related to the beam information include at least one of the following:
  • Cell group identification Cell group ID
  • the execution conditions related to beam information may include at least one of beam identification information, cell group ID (that is, the cell group ID associated with the target cell) and the associated target cell ID, such as beam information-related execution conditions.
  • the condition can include beam identification information, beam identification information and cell group identification Cell group ID, or beam identification information and associated target cell identification, or beam identification information, cell group identification Cell group ID and the associated target cell ID.
  • the beam identification information may include at least one of beam index index, synchronization signal block index SSB index and channel state information reference signal index CSI RS index.
  • the execution conditions related to the beam information include at least one of the following:
  • the execution conditions related to the above beam information may be determined by the target measurement node, or may be determined by the source master node, may be generated by the target measurement node, or may be generated by the source master node.
  • the target measurement node is a target master node MN; for a scenario where the measurement target cell is a PSCell, the target measurement node is a target secondary node SN.
  • the correspondence between the execution conditions related to the beam information and the associated target cell may be determined by the target measurement node, and generated by the source master node, the target measurement node, or the node where the associated target cell is located.
  • the process of generating the execution conditions related to the above beam information will be illustrated below.
  • Embodiment 2 Execution conditions related to generating beam information on the source MN side
  • Step 1 The target MN side sends a conditional handover feedback message to the source MN side, which includes at least one of the following:
  • the corresponding relationship may be to display the signaling identifier, that is, the execution condition related to the beam information includes the beam identifier and the identifier of the associated PSCell.
  • the corresponding relationship can also be identified in an implicit manner, that is, the execution conditions related to the beam information correspond to the associated PSCell configuration one-to-one, for example, for the signaling structure "including configuration information for PCell switching and configuration information for adding or changing a PSCell , cell-level execution conditions, and corresponding execution conditions related to beam information", the conditional reconfiguration configuration information contains only one corresponding execution condition related to beam information.
  • the signaling structure is "contains PCell handover configuration information and at least one PSCell added or changed configuration information, cell-level execution conditions, and PCell-corresponding execution conditions related to beam information associated with each PSCell" Configuration information, the execution condition in position 1 in the execution condition list related to beam information is associated with the PSCell in position 1 in the configuration information list added or changed by PSCell, or the execution condition related to beam information is related to the configuration added or changed by PSCell The information corresponds one by one.
  • Step 2a optional, corresponding to step 1, based on the execution conditions related to the beam information determined by the target MN side, and/or the corresponding relationship between the execution conditions related to the beam information and the associated PSCell, the source MN side codes the candidate PCell cell Generate execution conditions related to beam information, and a corresponding relationship between execution conditions related to beam information and associated PSCells.
  • Step 2b optional (in the absence of step 1), the source MN side determines the corresponding relationship between beam information-related execution conditions and associated PSCells, and generates beam information-related execution conditions and beam information for candidate PCell cell coding Correspondence between relevant execution conditions and associated PSCells.
  • the execution conditions related to the beam information include at least one of the following:
  • the candidate target PSCell is a candidate PSCell corresponding to the candidate PCell.
  • the PSCells are in one-to-one correspondence with the beam identifiers.
  • the beam identifier may be at least one of beam index, SSB index and CSI-RS index.
  • Embodiment 3 Execution conditions related to beam information generated by the target MN side
  • Step 1 The target MN side determines the association relationship between the beam and the target SN.
  • Step 2 The target MN codes and generates execution conditions related to beam information.
  • the execution conditions related to the beam information include at least one of the following:
  • the candidate target PSCell is a candidate PSCell corresponding to the candidate PCell.
  • the PSCells are in one-to-one correspondence with the beam identifiers.
  • the beam identifier may be at least one of beam index, SSB index and CSI-RS index.
  • Step 3 The target MN side sends a condition feedback message to the source MN side, which includes at least one of the following:
  • the auxiliary information for determining the beam includes at least one of the following:
  • the aforementioned auxiliary information for determining a beam may include at least one of a beam signal strength threshold and indication information for selecting a beam with the best signal quality
  • the auxiliary information for determining a beam may be a beam signal strength threshold
  • it may be indication information for selecting a beam with the best signal quality, or it may be a beam signal strength threshold and indication information for selecting a beam with the best signal quality.
  • the auxiliary information for determining the beam includes at least one of the following:
  • Auxiliary information for beam determination generated by the source master node MN is generated by the source master node MN.
  • the aforementioned auxiliary information for determining beams may be determined by the target measurement node or the source master node, and may be generated by the target measurement node or the source master node.
  • the target measurement node is a target master node MN; for a scenario where the measurement target cell is a PSCell, the target measurement node is a target secondary node SN.
  • Embodiment 4 Generating auxiliary information for beam determination at the source MN side
  • Step 1 the target MN side sends a conditional handover feedback message to the source MN side, which includes at least one of the following:
  • Step 2a corresponding to step 1, based on the auxiliary information for determining the beam provided by the target MN side, the source MN encodes and generates auxiliary information for determining the beam.
  • Step 2b if the target MN side does not provide the determined auxiliary information for beam determination, the source MN side determines and encodes the auxiliary information for beam determination.
  • the auxiliary information for determining the beam includes at least one of the following:
  • Embodiment 5 The target MN side generates auxiliary information for beam determination
  • Step 1 the target MN side sends a conditional handover feedback message to the source MN side, which includes at least one of the following:
  • Step 2 The source MN side obtains the auxiliary information for determining the beam generated by encoding at the target MN side from the conditional handover feedback message fed back by the target MN side.
  • FIG. 2 is a schematic flowchart of a conditional reconfiguration method provided by an embodiment of the present disclosure. The method is applied to a user equipment UE. As shown in FIG. 2 , the method includes the following steps:
  • Step 200 Receive a reconfiguration message containing one or more conditional reconfiguration configuration information sent by a network node, and auxiliary information for determining beams; wherein, the conditional reconfiguration configuration information includes at least: configuration information of the measurement target cell, association Configuration information of the target cell, cell-level execution conditions for measuring the target cell, and execution conditions related to beam information;
  • Step 201 Perform measurement evaluation on the measurement target cell, determine the access measurement target cell, determine the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam, and access the determined access measurement target cell and The determined associated target cell.
  • the method includes:
  • conditional reconfiguration configuration information at least includes: configuration information of the measurement target cell, and configuration information of the associated target cell.
  • Perform measurement on the measurement target cell determine access to the measurement target cell; determine the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam;
  • the network node may be the source master node MN.
  • the measurement target cell may be a PCell or a PSCell.
  • the associated target cell is a PSCell.
  • the associated target cell is a PCell.
  • the network node may send to the user equipment a Or multiple reconfiguration messages of conditional reconfiguration configuration information and auxiliary information for determining beams.
  • the conditional reconfiguration configuration information at least includes configuration information of the measurement target cell, configuration information of the associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information.
  • the user equipment After the user equipment receives the above reconfiguration message and the auxiliary information for determining the beam, it can perform measurement evaluation on the candidate measurement target cell based on the cell-level execution conditions of the measurement target cell. When the measurement evaluation finds that a cell of a candidate measurement target cell After the execution condition of level is satisfied, the user equipment may determine the candidate measurement target cell as the access measurement target cell.
  • the user equipment After determining the access measurement target cell, the user equipment can determine the associated target cell corresponding to the access measurement target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam, and access the determined access measurement target cell.
  • the target cell and the determined associated target cell are the same or different.
  • the above-mentioned auxiliary information for determining the beam may be sent to the user equipment by the network node in various ways, for example, it may be included in the conditional reconfiguration configuration information and sent to the user equipment, or it may also be sent to the user equipment through a broadcast message. user equipment, or may also be sent to the user equipment through dedicated signaling.
  • the auxiliary information for determining the beam when the auxiliary information for determining the beam is included in the conditional reconfiguration configuration information and sent to the user equipment, the auxiliary information for determining the beam may be included in the execution conditions related to the beam information in the conditional reconfiguration configuration information, or Beam information-related execution conditions that may be included in the conditional reconfiguration configuration information.
  • the network node can send a reconfiguration message including execution conditions related to the beam information to the user equipment, as well as auxiliary information for determining the beam, thereby assisting the user equipment to determine appropriate access measurements The target cell and the associated target cell, thereby improving the success rate and reliability of handover.
  • the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information included in the conditional reconfiguration configuration information meet at least one of the following or multiple:
  • the conditional reconfiguration configuration information may include configuration information of a measurement target cell and configuration information of an associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to the associated target cell , taking the measurement target cell as PCell as an example, for example, for candidate target PCell 1, there are multiple candidate target PSCells (such as PSCell 1, PSCell 2, and PSCell 3), then a conditional reconfiguration configuration information can include PCell 1 Configuration information of PCell 1 and configuration information of PSCell 1, cell-level execution conditions of PCell 1, and execution conditions related to beam information corresponding to PSCell 1.
  • conditional reconfiguration configuration information can include configuration information of PCell 1 and PSCell 2 Configuration information of PCell 1, cell-level execution conditions of PCell 1, and execution conditions related to beam information corresponding to PSCell 2.
  • conditional reconfiguration configuration information can include configuration information of PCell 1, configuration information of PSCell 3, PCell The cell-level execution conditions of 1, and the execution conditions related to the beam information corresponding to PSCell 3.
  • the conditional reconfiguration configuration information may include configuration information of a measurement target cell and configuration information of at least one associated target cell, cell-level execution conditions of the measurement target cell, and beam information corresponding to each associated target cell. execution conditions.
  • a conditional reconfiguration configuration information can include PCell 1 Configuration information and configuration information of PSCell 1, PSCell 2, and PSCell 3, cell-level execution conditions of PCell 1, and execution conditions related to beam information corresponding to PSCell 1, PSCell 2, and PSCell 3.
  • the configuration information of the measurement target cell includes synchronous reconfiguration configuration information or mobility control information
  • the configuration information of the associated target cell includes synchronous reconfiguration configuration information or mobility control information.
  • the execution conditions related to the beam information include at least one of the following:
  • Cell group identification Cell group ID
  • the execution conditions related to beam information may include at least one of beam identification information, cell group ID (that is, the cell group ID associated with the target cell) and the associated target cell ID, such as beam information-related execution conditions.
  • the condition can include beam identification information, beam identification information and cell group identification Cell group ID, or beam identification information and associated target cell identification, or beam identification information, cell group identification Cell group ID and the associated target cell ID.
  • the beam identification information may include at least one of beam index index, synchronization signal block index SSB index and channel state information reference signal index CSI RS index.
  • the auxiliary information for determining the beam includes at least one of the following:
  • the aforementioned auxiliary information for determining a beam may include at least one of a beam signal strength threshold and indication information for selecting a beam with the best signal quality
  • the auxiliary information for determining a beam may be a beam signal strength threshold
  • it may be indication information for selecting a beam with the best signal quality, or it may be a beam signal strength threshold and indication information for selecting a beam with the best signal quality.
  • performing measurement evaluation on the measurement target cell and determining access to the measurement target cell includes:
  • the measurement evaluation selects a measurement target cell that meets the cell-level execution conditions, and determines access to the measurement target cell.
  • the measuring the measurement target cell and determining access to the measurement target cell includes:
  • the measurement target cell is measured, and the measurement target cell that satisfies the execution condition at the cell level is determined as the access measurement target cell.
  • the user equipment may perform measurement evaluation on the candidate measurement target cell based on the cell-level execution conditions of the measurement target cell.
  • the measurement evaluation finds that a certain candidate measurement target After the cell-level execution condition of the cell is satisfied, the user equipment may determine the candidate measurement target cell as the access measurement target cell.
  • the determining the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam, and accessing the determined access measurement target cell and the determined associated target cell includes:
  • the associated target cell is determined based on the target beam and execution conditions related to the beam information.
  • the determination of the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam includes:
  • the associated target cell is determined based on the target beam and execution conditions related to the beam information.
  • the user equipment may determine the determined target beam of the access measurement target cell based on the auxiliary information used to determine the beam, and based on the execution conditions related to the target beam and the beam information, Determine an associated target cell corresponding to the access measurement target cell, and access the determined access measurement target cell and the determined associated target cell.
  • the determining the target beam for measuring the target cell based on the auxiliary information for determining the beam includes at least one of the following:
  • the determining the target beam for accessing the measurement target cell based on the auxiliary information for determining the beam includes at least one of the following:
  • the user equipment may determine the determined target beam of the access measurement target cell in various ways according to the indication information on the network side or protocol regulations, based on the auxiliary information used to determine the beam. .
  • the user equipment may select the beam with the best signal quality from the beam measurement results of the target cell, and determine the beam as the target beam; the user equipment may also select the beam with the signal quality higher than the threshold from the beam measurement results of the target cell , and select the beam with the best signal quality as the target beam; the user equipment can also select a beam with a signal quality higher than the threshold from the beam measurement results of the target cell, and select any one of the beams to determine as the target beam.
  • the beam measurement result may be at least one of the measurement result of the SSB signal and the measurement result of the CSI-RS signal.
  • the determining the associated target cell based on the target beam and execution conditions related to the beam information includes:
  • the indication information associated with the determined target beam is at least one of the following:
  • Channel state information reference signal index CSI RS index
  • the user equipment may determine the associated target cell corresponding to the access measurement target cell based on the target beam and execution conditions related to the beam information.
  • a candidate associated target cell corresponding to a beam identifier with the same indication information associated with the target beams is an associated target cell.
  • the indication information associated with the determined target beam may be at least one of beam index index, synchronization signal block index SSB index and channel state information reference signal index CSI RS index.
  • the user equipment may determine a beam index associated with the target beam based on the determined target beam, and select a candidate association corresponding to the beam index that is the same as the beam index associated with the determined target beam from execution conditions related to the beam information
  • the target cell is an associated target cell.
  • the user equipment may also determine the SSB index associated with the target beam based on the determined target beam, and select the SSB index corresponding to the same SSB index associated with the determined target beam from execution conditions related to the beam information.
  • a candidate associated target cell is an associated target cell.
  • the user equipment may also determine the CSI RS index associated with the target beam based on the determined target beam, and select the CSI RS with the same CSI RS index associated with the determined target beam from execution conditions related to the beam information
  • the candidate associated target cell corresponding to index is the associated target cell.
  • the foregoing conditional reconfiguration method is illustrated through specific embodiments.
  • Embodiment 6 The source MN side sends an RRC reconfiguration message with one or more conditional reconfiguration configuration information (taking the measurement target cell as PCell as an example)
  • Step 1 the source MN side generates conditional reconfiguration configuration information for each candidate PCell and its corresponding candidate PSCell, and the conditional reconfiguration configuration information includes at least one of the following:
  • Configuration information of PCell switching configuration information of adding or changing a PSCell, execution conditions at the cell level, and execution conditions related to corresponding beam information.
  • the execution conditions related to the beam information include: a beam identifier associated with a candidate target PSCell, and/or a candidate target PSCell identifier, and/or a Cell group ID for determining a candidate target PSCell.
  • the execution conditions related to the beam information include: the beam identifier associated with each candidate target PSCell, and/or the identifier of each candidate target PSCell, and/or the Cell group ID used to determine each candidate target PSCell.
  • the configuration information of the PCell handover and the configuration information of adding or changing one or at least one PSCell are provided by the target MN side to the source MN side.
  • the generation of execution conditions related to the beam information may be generated by the source MN side (refer to Embodiment 2), or may be generated by the target MN side and transmitted to the source MN side (refer to Embodiment 3).
  • the auxiliary information for determining beams may be generated by the source MN side (refer to Embodiment 4), or may be generated by the target MN side (refer to Embodiment 5).
  • Step 2 The source MN side generates an RRC reconfiguration message including one or more conditional reconfiguration configuration information, and sends it to the UE.
  • Step 3 the source MN side will also issue dedicated signaling containing auxiliary information for determining the beam, or the source MN side broadcasts the auxiliary information for determining the beam (step 3 and step 4 do not distinguish the sequence ).
  • Step 4 The UE receives the RRC reconfiguration message with one or more conditional reconfiguration configuration information, and acquires the cell-level execution conditions contained in each conditional reconfiguration configuration information, and the execution conditions related to the beam information.
  • Step 5 The UE starts to measure and evaluate the candidate PCell cells and their associated candidate PSCell cells based on the cell-level execution conditions.
  • Step 6 the UE obtains the auxiliary information for determining the beam through dedicated signaling; or the UE obtains the auxiliary information for determining the beam from a system message (step 6 and step 7 are not in order of precedence).
  • Step 7 When the measurement and evaluation find that the cell-level execution conditions of a candidate PCell are met, the UE reconfigures the execution conditions related to the beam information contained in the relevant configuration information based on the conditions, and/or the auxiliary information used to determine the beam , to select the corresponding target PSCell, refer to Embodiment 7 for the specific process.
  • Embodiment 7 The UE selects the corresponding target PSCell cell based on the execution conditions related to the beam information and/or determining the auxiliary information of the beam (taking the measurement target cell as a PCell as an example)
  • Step 1 The UE determines the target beam according to the auxiliary information used for determining the beam.
  • the auxiliary information for determining the beam may be in conditional reconfiguration configuration information, or obtained by the UE from dedicated signaling or system information, and/or specified by the UE based on a protocol.
  • Step 1a if the auxiliary information for determining the beam indicates that the UE selects the beam with the strongest signal, then: the UE selects the beam with the best signal quality from the beam measurement results of the PCell, and determines that the beam is the target beam .
  • Step 1b If the auxiliary information for determining the beam indicates the UE beam signal strength threshold, then:
  • the UE selects a beam with a signal quality higher than a threshold from the beam measurement results of the PCell, and selects the beam with the best signal quality to determine that the beam is the target beam; or,
  • the UE selects a beam whose signal quality is higher than a threshold from the beam measurement results of the PCell, and selects any one of the beams to determine that the beam is a target beam.
  • the foregoing beam measurement results may be measurement results of SSB signals or CSI-RS signals.
  • Step 2a Based on the selected target beam, the UE determines the beam index associated with the target beam, and selects the candidate PSCell corresponding to the beam index with the same indication information associated with the determined target beam as the target from the execution conditions related to the selected beam information. PSCell.
  • Step 2b Based on the selected target beam, the UE determines the SSB index associated with the target beam, and selects the candidate PSCell corresponding to the SSB index with the same indication information associated with the determined target beam as the target from the execution conditions related to the selected beam information. PSCell.
  • Step 2c UE determines the CSI RS index associated with the target beam based on the selected target beam, and selects the candidate PSCell corresponding to the CSI RS index with the same indication information associated with the determined target beam from the execution conditions related to the selected beam information is the target PSCell.
  • Step 3 The UE accesses the PCell and the target PSCell.
  • Embodiment 8 The above conditional reconfiguration method is also applicable to the scenario where the measurement target cell is a PSCell, and the cell-level execution conditions and additional beam information-related execution conditions are configured for the candidate target PSCell.
  • the execution conditions related to the beam information are the same as the candidate target PSCell.
  • the target beam may be the best beam of the target PSCell, or meet the configured threshold
  • the UE determines the target PCell associated with the target beam or a certain beam that satisfies the configuration threshold, so as to access the target PCell and target PSCell.
  • the association relationship between the candidate PCell and the beam is determined and/or generated by the target SN side. It can also be determined and/or generated by the target MN side.
  • the execution conditions related to the beam information are generated by the target SN side or the target MN side, and sent by the target MN side to the source MN side.
  • conditional reconfiguration method in which the measurement target cell is a PSCell is similar to the embodiment of the conditional reconfiguration method in which the measurement target cell is a PCell, repeated descriptions are omitted here.
  • FIG. 3 is a schematic structural diagram of a network node provided by an embodiment of the present disclosure.
  • the network node includes a memory 320, a transceiver 310, and a processor 300; wherein, the processor 300 and the memory 320 may also be arranged physically separately .
  • the memory 320 is used to store computer programs; the transceiver 310 is used to send and receive data under the control of the processor 300 .
  • the transceiver 310 is used to receive and transmit data under the control of the processor 300 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 300 and various circuits of the memory represented by the memory 320 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and thus will not be further described in this disclosure.
  • the bus interface provides the interface.
  • Transceiver 310 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 can store data used by the processor 300 when performing operations.
  • the processor 300 can be a central processing unit (Central Processing Unit, CPU), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable logic device (Complex Programmable Logic Device, CPLD), the processor can also adopt a multi-core architecture.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the processor 300 calls the computer program stored in the memory 320 to execute any of the methods provided in the embodiments of the present disclosure according to the obtained executable instructions, for example: sending a message containing one or more conditional reconfiguration configuration information to the user equipment A reconfiguration message, and auxiliary information for determining a beam; wherein, the conditional reconfiguration configuration information includes at least the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and information related to the beam information execution conditions.
  • the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information included in the conditional reconfiguration configuration information meet any of the following Or multiple items: including configuration information of the measurement target cell and configuration information of an associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to the associated target cell; including a measurement target cell Configuration information and configuration information of at least one associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to each associated target cell; configuration information of the measurement target cell includes synchronous reconfiguration configuration information or mobile control information; the configuration information of the associated target cell includes synchronous reconfiguration configuration information or mobile control information.
  • the auxiliary information for determining the beam is included in the conditional reconfiguration configuration information, or sent through a broadcast message, or sent through dedicated signaling.
  • the execution conditions related to the beam information include at least one of the following: beam identification information; cell group identification; associated target cell identification.
  • the beam identification information includes at least one of the following: beam index; synchronization signal block SSB index; channel state information reference signal CSI RS index.
  • the auxiliary information for determining the beam includes at least one of the following: a beam signal strength threshold; indication information for selecting a beam with the best signal quality.
  • the auxiliary information for determining the beam includes at least one of the following:
  • Auxiliary information for beam determination generated by the source master node MN is generated by the source master node MN.
  • the execution conditions related to the beam information include at least one of the following:
  • the cell group identifier determined by the source master node MN is the cell group identifier determined by the source master node MN.
  • FIG. 4 is a schematic structural diagram of a user equipment provided by an embodiment of the present disclosure.
  • the user equipment includes a memory 420, a transceiver 410, and a processor 400; wherein, the processor 400 and the memory 420 may also be arranged physically separately .
  • the memory 420 is used to store computer programs; the transceiver 410 is used to send and receive data under the control of the processor 400 .
  • the transceiver 410 is used to receive and transmit data under the control of the processor 400 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 400 and various circuits of the memory represented by the memory 420 are linked together.
  • the bus architecture can also link together various other circuits such as peripherals, voltage regulators, and power management circuits, etc., which are well known in the art and thus will not be further described in this disclosure.
  • the bus interface provides the interface.
  • Transceiver 410 may be a plurality of elements, including a transmitter and a receiver, providing a unit for communicating with various other devices over transmission media, including wireless channels, wired channels, optical cables, and other transmission media.
  • the user interface 430 may also be an interface capable of connecting externally and internally to required equipment, and the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 420 can store data used by the processor 400 when performing operations.
  • the processor 400 may be a CPU, ASIC, FPGA or CPLD, and the processor may also adopt a multi-core architecture.
  • the processor 400 calls the computer program stored in the memory 420 to execute any of the methods provided in the embodiments of the present disclosure according to the obtained executable instructions, for example: receiving the configuration information containing one or more conditional reconfigurations sent by the network node The reconfiguration message and the auxiliary information for determining the beam; wherein, the conditional reconfiguration configuration information at least includes: configuration information of the measurement target cell, configuration information of the associated target cell, cell-level execution conditions of the measurement target cell, and beam information Relevant execution conditions; measure and evaluate the measurement target cell, determine the access measurement target cell, determine the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam, and access the determined access measurement target cell and the determined associated target cell.
  • the method includes: receiving a reconfiguration message sent by a network node including one or more conditional reconfiguration configuration information, and auxiliary information for determining beams; wherein the conditional reconfiguration configuration information at least includes: measuring the target cell The configuration information of the associated target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to the beam information; measure the measurement target cell, and determine the access measurement target cell; based on the execution conditions related to the beam information and Used to determine the auxiliary information of the beam, determine the associated target cell; access the determined access measurement target cell and the determined associated target cell.
  • the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information included in the conditional reconfiguration configuration information meet at least one of the following Or multiple items: including configuration information of the measurement target cell and configuration information of an associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to the associated target cell; including a measurement target cell Configuration information and configuration information of at least one associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to each associated target cell; configuration information of the measurement target cell includes synchronous reconfiguration configuration information or mobile control information; the configuration information of the associated target cell includes synchronous reconfiguration configuration information or mobile control information.
  • the auxiliary information for determining the beam is at least one of the following: included in conditional reconfiguration configuration information; included in a broadcast message; included in dedicated signaling.
  • the execution conditions related to beam information include at least one of the following: beam identification information; cell group identification; associated target cell identification.
  • the beam identification information includes at least one of the following: beam index; synchronization signal block SSB index; channel state information reference signal CSI RS index.
  • the auxiliary information for determining the beam includes at least one of the following: a beam signal strength threshold; indication information for selecting a beam with the best signal quality.
  • performing measurement evaluation on the measurement target cell to determine access to the measurement target cell includes: selecting a measurement target cell that satisfies a cell-level execution condition for measurement evaluation, and determining access to the measurement target cell.
  • the measuring the measurement target cell and determining the access measurement target cell includes: performing measurement on the measurement target cell, and determining a measurement target cell that satisfies a cell-level execution condition as the access measurement target cell.
  • the determining the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam, and accessing the determined access measurement target cell and the determined associated target cell includes: The auxiliary information of the beam determines the target beam of the determined access measurement target cell; based on the target beam and execution conditions related to the beam information, the associated target cell is determined.
  • the determining the associated target cell based on the execution conditions related to the beam information and the auxiliary information for determining the beam includes: determining the target beam for accessing the measurement target cell based on the auxiliary information for determining the beam; Execution conditions related to the beam and beam information determine the associated target cell.
  • the determining the target beam of the measurement target cell based on the auxiliary information for determining the beam includes at least one of the following: selecting a beam with the best signal quality from the beam measurement results of the measurement target cell, and determining the beam as the target Beam; select the beam whose signal quality is higher than the threshold from the beam measurement results of the target cell, and select the beam with the best signal quality to determine the beam as the target beam; select the signal quality higher than the threshold from the beam measurement results of the target cell beams, and select a beam to determine the beam as the target beam.
  • the determining the target beam for accessing the measurement target cell based on the auxiliary information for determining the beam includes at least one of the following: selecting the beam with the best signal quality as the target from the beam measurement results of the measurement target cell beam; from the beam measurement results of the target cell, select the beam whose signal quality is higher than the threshold, and select the beam with the best signal quality as the target beam from the beams whose signal quality is higher than the threshold; In the measurement result, the beams whose signal quality is higher than the threshold are selected, and any beam is selected as the target beam from the selected beams whose signal quality is higher than the threshold.
  • the beam measurement result is specifically at least one of the following: a measurement result of a synchronization signal block SSB signal; a measurement result of a channel state information reference signal CSI-RS signal.
  • the determining the associated target cell based on the execution conditions related to the target beam and the beam information includes: selecting the candidate corresponding to the beam identifier that is the same as the indication information associated with the determined target beam in the execution conditions related to the beam information
  • the associated target cell is an associated target cell; wherein, the determined indication information associated with the target beam is at least one of the following: beam index; SSB index; CSI RS index.
  • FIG. 5 is a schematic structural diagram of a conditional reconfiguration device provided by an embodiment of the present disclosure.
  • the device is applied to a network node. As shown in FIG. 5 , the device includes:
  • the sending unit 500 is configured to send a reconfiguration message including one or more conditional reconfiguration configuration information to the user equipment, and auxiliary information for determining a beam; wherein the conditional reconfiguration configuration information includes at least configuration information of a measurement target cell, The configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information.
  • the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information included in the conditional reconfiguration configuration information meet at least one of the following Or multiple items: including configuration information of the measurement target cell and configuration information of an associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to the associated target cell; including a measurement target cell Configuration information and configuration information of at least one associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to each associated target cell; configuration information of the measurement target cell includes synchronous reconfiguration configuration information or mobile control information; the configuration information of the associated target cell includes synchronous reconfiguration configuration information or mobile control information.
  • the auxiliary information for determining the beam is included in the conditional reconfiguration configuration information, or sent through a broadcast message, or sent through dedicated signaling.
  • the execution conditions related to beam information include at least one of the following: beam identification information; cell group identification; associated target cell identification.
  • the beam identification information includes at least one of the following: beam index; synchronization signal block SSB index; channel state information reference signal CSI RS index.
  • the auxiliary information for determining the beam includes at least one of the following: a beam signal strength threshold; indication information for selecting a beam with the best signal quality.
  • the auxiliary information for determining the beam includes at least one of the following:
  • Auxiliary information for beam determination generated by the source master node MN is generated by the source master node MN.
  • the execution conditions related to the beam information include at least one of the following:
  • the cell group identifier determined by the source master node MN is the cell group identifier determined by the source master node MN.
  • FIG. 6 is a schematic structural diagram of a conditional reconfiguration device provided by an embodiment of the present disclosure.
  • the device is applied to user equipment. As shown in FIG. 6 , the device includes:
  • the receiving unit 600 is configured to receive a reconfiguration message including one or more conditional reconfiguration configuration information sent by a network node, and auxiliary information for determining a beam; wherein the conditional reconfiguration configuration information includes at least: configuration of a measurement target cell Information, configuration information associated with the target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information;
  • the determination unit 610 is configured to perform measurement evaluation on the measurement target cell, determine the access measurement target cell, determine the associated target cell based on the execution conditions related to the beam information and the auxiliary information for determining the beam, and access the determined access measurement target cell. The target cell and the determined associated target cell.
  • the device includes:
  • the receiving unit 600 is configured to receive a reconfiguration message including one or more conditional reconfiguration configuration information sent by a network node, and auxiliary information for determining a beam; wherein the conditional reconfiguration configuration information includes at least: configuration of a measurement target cell Information, configuration information associated with the target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information;
  • the determination unit 610 is configured to measure the measurement target cell and determine the access measurement target cell; determine the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam; access the determined access measurement target cell and the determined associated target cell.
  • the configuration information of the measurement target cell, the configuration information of the associated target cell, the cell-level execution conditions of the measurement target cell, and the execution conditions related to beam information included in the conditional reconfiguration configuration information meet at least one of the following Or multiple items: including configuration information of the measurement target cell and configuration information of an associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to the associated target cell; including a measurement target cell Configuration information and configuration information of at least one associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information corresponding to each associated target cell; configuration information of the measurement target cell includes synchronous reconfiguration configuration information or mobile control information; the configuration information of the associated target cell includes synchronous reconfiguration configuration information or mobile control information.
  • the auxiliary information for determining the beam is at least one of the following: included in conditional reconfiguration configuration information; included in a broadcast message; included in dedicated signaling.
  • the execution conditions related to beam information include at least one of the following: beam identification information; cell group identification; associated target cell identification.
  • the beam identification information includes at least one of the following: beam index; synchronization signal block SSB index; channel state information reference signal CSI RS index.
  • the auxiliary information for determining the beam includes at least one of the following: a beam signal strength threshold; indication information for selecting a beam with the best signal quality.
  • performing measurement evaluation on the measurement target cell to determine access to the measurement target cell includes: selecting a measurement target cell that satisfies a cell-level execution condition for measurement evaluation, and determining access to the measurement target cell.
  • the measuring the measurement target cell and determining the access measurement target cell includes: performing measurement on the measurement target cell, and determining a measurement target cell that satisfies a cell-level execution condition as the access measurement target cell.
  • the determining the associated target cell based on the execution conditions related to the beam information and the auxiliary information used to determine the beam, and accessing the determined access measurement target cell and the determined associated target cell includes: The auxiliary information of the beam determines the target beam of the determined access measurement target cell; based on the target beam and execution conditions related to the beam information, the associated target cell is determined.
  • the determining the associated target cell based on the execution conditions related to the beam information and the auxiliary information for determining the beam includes: determining the target beam for accessing the measurement target cell based on the auxiliary information for determining the beam; Execution conditions related to the beam and beam information determine the associated target cell.
  • the determining the target beam of the measurement target cell based on the auxiliary information for determining the beam includes at least one of the following: selecting a beam with the best signal quality from the beam measurement results of the measurement target cell, and determining the beam as the target Beam; select the beam whose signal quality is higher than the threshold from the beam measurement results of the target cell, and select the beam with the best signal quality to determine the beam as the target beam; select the signal quality higher than the threshold from the beam measurement results of the target cell beams, and select a beam to determine the beam as the target beam.
  • the determining the target beam for accessing the measurement target cell based on the auxiliary information for determining the beam includes at least one of the following: selecting the beam with the best signal quality as the target from the beam measurement results of the measurement target cell beam; from the beam measurement results of the target cell, select the beam whose signal quality is higher than the threshold, and select the beam with the best signal quality as the target beam from the beams whose signal quality is higher than the threshold; In the measurement result, the beams whose signal quality is higher than the threshold are selected, and any beam is selected as the target beam from the selected beams whose signal quality is higher than the threshold.
  • the beam measurement result is specifically at least one of the following: a measurement result of a synchronization signal block SSB signal; a measurement result of a channel state information reference signal CSI-RS signal.
  • the determining the associated target cell based on the execution conditions related to the target beam and the beam information includes: selecting the candidate corresponding to the beam identifier that is the same as the indication information associated with the determined target beam in the execution conditions related to the beam information
  • the associated target cell is an associated target cell; wherein, the determined indication information associated with the target beam is at least one of the following: beam index; SSB index; CSI RS index.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software function unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure is essentially or part of the contribution to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) execute all or part of the steps of the methods described in various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disc and other media that can store program codes. .
  • the embodiments of the present disclosure further provide a processor-readable storage medium, the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the above-mentioned embodiments.
  • a conditional reconfiguration method comprising: sending a reconfiguration message including one or more conditional reconfiguration configuration information to the user equipment, and auxiliary information for determining a beam; wherein the conditional reconfiguration configuration information includes at least configuration information of a measurement target cell , configuration information of the associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information.
  • a conditional reconfiguration method including: receiving a reconfiguration message sent by a network node that includes one or more conditional reconfiguration configuration information, and auxiliary information for determining a beam; wherein the conditional reconfiguration configuration information at least includes: measuring the target cell Configuration information, configuration information of the associated target cell, cell-level execution conditions of the measurement target cell, and execution conditions related to beam information; perform measurement evaluation on the measurement target cell, determine access to the measurement target cell, based on execution conditions related to beam information and It is used to determine the auxiliary information of the beam, determine the associated target cell, and access the determined access measurement target cell and the determined associated target cell.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including but not limited to magnetic storage (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (e.g., CD, DVD, BD, HVD, etc.), and semiconductor memory (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.
  • magnetic storage e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
  • optical storage e.g., CD, DVD, BD, HVD, etc.
  • semiconductor memory such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, the present disclosure can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) having computer-usable program code embodied therein.
  • processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, such that the instructions stored in the processor-readable memory produce a manufacturing product, the instruction device realizes the functions specified in one or more procedures of the flow chart and/or one or more blocks of the block diagram.
  • processor-executable instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented
  • the executed instructions provide steps for implementing the functions specified in the procedure or procedures of the flowchart and/or the block or blocks of the block diagrams.
  • the network node involved in the embodiments of the present disclosure may be a base station, and the base station may include multiple cells that provide services for terminals.
  • the base station can also be called an access point, or it can be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names.
  • Network nodes can be used to interchange received air frames with Internet Protocol (IP) packets and act as routers between wireless terminal devices and the rest of the access network, which can include the Internet Protocol (IP) communication network.
  • IP Internet Protocol
  • the network nodes may also coordinate attribute management for the air interface.
  • the network node involved in the embodiment of the present disclosure may be a network device (Base Transceiver Station, BTS) in Global System for Mobile communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA) ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long-term evolution (long term evolution, LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in the 5G network architecture (next generation system), can also be a home evolved base station (Home evolved Node B, HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., are not limited in this embodiment of the present disclosure.
  • network nodes may include centralized unit (centralized unit, CU) nodes and distributed unit (distributed unit, DU) nodes, and the centralized unit (centralized unit,
  • the user equipment involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem, and the like.
  • the name of the user equipment may be different.
  • the user equipment may be called user equipment (User Equipment, UE).
  • the wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via the radio access network (Radio Access Network, RAN), and the wireless terminal equipment can be a mobile terminal equipment, such as a mobile phone (or called a "cellular "telephones) and computers with mobile terminal equipment, such as portable, pocket, hand-held, computer built-in or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
  • a mobile terminal equipment such as a mobile phone (or called a "cellular "telephones) and computers with mobile terminal equipment, such as portable, pocket, hand-held, computer built-in or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
  • PCS Personal Communication Service
  • SIP Session Initiated Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • Wireless terminal equipment can also be called system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , remote terminal (remote terminal), access terminal (access terminal), user equipment (user terminal), user agent (user agent), and user device (user device), which are not limited in the embodiments of the present disclosure.

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

Abstract

Des modes de réalisation de la présente invention concernent un procédé, un dispositif et un appareil de reconfiguration conditionnelle, et un support de stockage. Le procédé est appliqué à un noeud de réseau, et comprend: la transmission à un équipement utilisateur d'un message de reconfiguration comprenant un ou plusieurs élément(s) d'information de configuration de reconfiguration conditionnelle, et une information auxiliaire pour la détermination d'un faisceau, l'information de configuration de reconfiguration conditionnelle comprenant au moins une information de configuration d'une cellule cible de mesure, une information de configuration d'une cellule cible associée, une condition d'exécution de niveau de cellule de la cellule cible de mesure, et une condition d'exécution associée à l'information de faisceau. Grâce au procédé de reconfiguration conditionnelle, au dispositif et à l'appareil, et le support de stockage prévu dans les modes de réalisation de la présente invention, un noeud de réseau peut transmettre à un équipement utilisateur un message de reconfiguration comprenant une condition d'exécution associée à l'information de faisceau, et l'information auxiliaire pour la détermination du faisceau, afin d'aider la détermination par l'équipement utilisateur d'une cellule cible de mesure d'accès appropriée et d'une cellule cible associée, permettant ainsi d'améliorer le taux de réussite et la fiabilité d'un transfert intercellulaire.
PCT/CN2022/092086 2021-05-11 2022-05-10 Procédé, dispositif et appareil de reconfiguration conditionnelle, et support de stockage WO2022237812A1 (fr)

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