WO2023130274A1 - 连接建立方法、装置、计算机设备、存储介质及程序产品 - Google Patents

连接建立方法、装置、计算机设备、存储介质及程序产品 Download PDF

Info

Publication number
WO2023130274A1
WO2023130274A1 PCT/CN2022/070381 CN2022070381W WO2023130274A1 WO 2023130274 A1 WO2023130274 A1 WO 2023130274A1 CN 2022070381 W CN2022070381 W CN 2022070381W WO 2023130274 A1 WO2023130274 A1 WO 2023130274A1
Authority
WO
WIPO (PCT)
Prior art keywords
scg
cell
terminal device
connection
information
Prior art date
Application number
PCT/CN2022/070381
Other languages
English (en)
French (fr)
Inventor
范江胜
尤心
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2022/070381 priority Critical patent/WO2023130274A1/zh
Priority to CN202280073260.4A priority patent/CN118235461A/zh
Publication of WO2023130274A1 publication Critical patent/WO2023130274A1/zh

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/04Arrangements for maintaining operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/15Setup of multiple wireless link connections
    • H04W76/16Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer

Definitions

  • the present application relates to the technical field of wireless communication, and in particular to a connection establishment method, device, computer equipment, storage medium and program product.
  • the dual connectivity (Dual Connectivity, DC) scenario is a scenario that utilizes two wireless connections for data communication at the same time.
  • the terminal and the network side can simultaneously establish a wireless connection based on the Master Cell Group (MCG) and a wireless connection based on the Secondary Cell Group (SCG), and pass the above two connections at the same time communicate with the network side.
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • Embodiments of the present application provide a connection establishment method, device, computer equipment, storage medium, and program product. Described technical scheme is as follows:
  • an embodiment of the present application provides a method for establishing a connection, the method is executed by a terminal device, and the method includes:
  • the first cell is a cell in which corresponding target configuration information has been stored in the terminal device and which satisfies a first condition.
  • an embodiment of the present application provides a method for receiving information, the method is executed by a network side device, and the method includes:
  • the SCG connection failure report information is generated when the terminal device is in a dual connection state and the SCG connection fails, and is reported according to the result of SCG connection recovery or re-establishment;
  • the process of restoring or reestablishing the SCG connection is performed through a first cell, and the first cell is a cell that has stored corresponding target configuration information in the terminal device and satisfies the first condition.
  • an embodiment of the present application provides an apparatus for establishing a connection, and the apparatus includes:
  • a connection module configured to restore or re-establish the SCG connection through the first cell when the terminal device is in the dual connection state and the SCG connection fails;
  • the first cell is a cell in which corresponding target configuration information has been stored in the terminal device and which satisfies a first condition.
  • an information receiving device comprising:
  • the receiving module is used to receive SCG connection failure report information;
  • the SCG connection failure report information is generated when the terminal device is in a dual connection state and the SCG connection fails, and is reported according to the result of SCG connection recovery or reconstruction;
  • the process of restoring or reestablishing the SCG connection is performed through a first cell, and the first cell is a cell that has stored corresponding target configuration information in the terminal device and satisfies the first condition.
  • an embodiment of the present application provides a computer device, the computer device is implemented as a terminal device, and the computer device includes a processor, a memory, and a transceiver;
  • the transceiver is configured to restore or re-establish the SCG connection through the first cell when the terminal device is in the dual connectivity state and the SCG connection fails;
  • the first cell is a cell in which corresponding target configuration information has been stored in the terminal device and which satisfies a first condition.
  • an embodiment of the present application provides a computer device, the computer device is implemented as a network side device, and the computer device includes a processor, a memory, and a transceiver;
  • the transceiver receives SCG connection failure report information;
  • the SCG connection failure report information is generated when the terminal device is in a dual connection state and the SCG connection fails, and is reported according to the result of SCG connection recovery or reconstruction;
  • the process of restoring or reestablishing the SCG connection is performed through a first cell, and the first cell is a cell that has stored corresponding target configuration information in the terminal device and satisfies the first condition.
  • the embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is loaded and executed by a processor to implement the above connection establishment method or information reception method.
  • a computer program product or computer program comprising computer instructions stored in a computer readable storage medium.
  • the processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device executes the above connection establishment method or information reception method.
  • the terminal device can autonomously select a cell that meets the first condition from the cells that have stored the corresponding target configuration information to restore the SCG connection or re-establish the SCG connection without waiting
  • the MCG triggers the reconfiguration process, which reduces unnecessary reconfiguration processes, reduces additional delay and signaling overhead caused by the reconfiguration process, improves network transmission efficiency, and improves user experience.
  • FIG. 1 is a schematic diagram of a network architecture of a communication system provided by an embodiment of the present application
  • FIG. 2 is a flowchart of a method for establishing a connection provided by an embodiment of the present application
  • FIG. 3 is a flowchart of an information receiving method provided by an embodiment of the present application.
  • FIG. 4 is a flowchart of a method for establishing a connection provided by an embodiment of the present application
  • FIG. 5 is a block diagram of a connection establishment device provided by an embodiment of the present application.
  • Fig. 6 is a block diagram of an information receiving device provided by an embodiment of the present application.
  • Fig. 7 is a schematic structural diagram of a computer device provided by an embodiment of the present application.
  • the network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
  • the evolution of the technology and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.
  • FIG. 1 shows a schematic diagram of a network architecture of a communication system provided by an embodiment of the present application.
  • the network architecture may include: a terminal 10 and a base station 20 .
  • the number of terminals 10 is generally multiple, and one or more terminals 10 may be distributed in a cell managed by each base station 20 .
  • the terminal 10 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to a wireless modem, as well as various forms of user equipment (User Equipment, UE), mobile station ( Mobile Station, MS), terminal device (terminal device) and so on.
  • UE User Equipment
  • MS Mobile Station
  • terminal device terminal device
  • the base station 20 is a device deployed in an access network to provide a wireless communication function for the terminal 10 .
  • the base station 20 may include various forms of satellite base stations, macro base stations, micro base stations, relay stations, access points and so on.
  • the names of devices with base station functions may be different.
  • 5G 5th-Generation
  • gNodeB New Radio
  • the name "base station” may change as communication technology evolves.
  • the above-mentioned devices that provide the wireless communication function for the terminal 20 are collectively referred to as base stations.
  • the above-mentioned network architecture also includes other network devices, such as: a central control node (Central Network Control, CNC), an access and mobility management function (Access and Mobility Management Function, AMF ) device, session management function (Session Management Function, SMF) or user plane function (User Plane Function, UPF) device, etc.
  • a central control node Central Network Control, CNC
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • the "5G NR system" in the embodiments of the present disclosure may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solution described in the embodiments of the present disclosure can be applied to the 5G NR system, and can also be applied to the subsequent evolution system of the 5G NR system.
  • DC is an important technology introduced by the 3rd Generation Partnership Project (3GPP) organization.
  • 3GPP 3rd Generation Partnership Project
  • LTE Long Term Evolution
  • small stations can use the non-ideal backhaul (non-ideal backhaul) X2 interface to achieve carrier aggregation, thereby providing users with higher rates and utilizing macro /Micro-networking improves spectrum efficiency and load balancing.
  • a terminal device that supports dual connections can connect to two base stations at the same time, increasing the throughput of a single user.
  • the 5G cell can be used as a macro coverage independent network, or as a small cell to enhance the coverage and capacity of the Long Term Evolution (LTE) network.
  • LTE Long Term Evolution
  • dual connectivity technology can be used to realize the interconnection of LTE-5G systems, thereby improving the utilization rate of wireless resources of the entire mobile network system, reducing the delay of system switching, and improving user and system performance.
  • 3GPP defines the dual connectivity technology of LTE and 5G on the basis of LTE dual connectivity technology.
  • LTE-5G dual connectivity is a key technology for operators to realize LTE and 5G converged networking and flexible deployment scenarios.
  • the joint networking of LTE and 5G can be used to achieve comprehensive network coverage, improve the utilization of wireless resources in the entire network system, reduce system switching delays, and improve user experience. and system performance.
  • LTE-NR Dual Connectivity EN-DC
  • MN master Node
  • NR secondary node
  • EN-DC Compared with LTE DC, the main key technical points of EN-DC mainly include: control plane, user plane, security, radio link failure (Radio Link Failure, RLF), system broadcast reception and radio resource management (Radio Resource Management, RRM) coordination and UE capability coordination, etc.
  • RLF Radio Link Failure
  • RRM Radio Resource Management
  • Radio Resource Control Radio Resource Control
  • RRC Radio Resource Control
  • PDU Protocol Data Unit
  • the signaling bearer in LTE includes Signaling Radio Bearer (Signaling Radio Bearer, SRB) 0, SRB1, SRB2; EN-DC further supports SRB3 on this basis.
  • the SRB3 is used to transmit the RRC signaling between the SN and the UE, and the generation of the signaling content carried by the signaling does not need to negotiate resources and UE capabilities with the MN.
  • EN-DC supports split (split) SRB1 and split SRB2, that is, the packet data convergence protocol (Packet Data Convergence Protocol, PDCP) PDU corresponding to the RRC message generated by the MN is repeatedly transmitted on the SN side One copy guarantees its high reliability.
  • PDCP Packet Data Convergence Protocol
  • the NR system stipulates that when the SCG connection fails, the terminal device will not trigger the reconstruction process, but will report the SCG connection failure report through the MCG.
  • Conditional switching includes two scenarios:
  • the conditional primary cell (Primary Cell, PCell) changes, and the handover configuration message sent by the source PCell to the terminal device also includes configuration information of at least one conditional handover target PCell cell and conditional handover condition configuration information of the corresponding conditional handover target PCell cell;
  • the terminal device After the conditional handover is successfully executed, that is, after the terminal device successfully accesses a conditional handover target PCell, the terminal device will delete all previously saved configuration information of the conditional handover target PCell and the conditional handover condition configuration of the corresponding conditional handover target PCell information.
  • Conditional Primary Secondary Cell (PSCell) addition (subsequent in this article can be referred to as conditional addition) or conditional PSCell modification (subsequent in this article can be referred to as conditional modification)
  • PCell or PSCell sends switching configuration to terminal equipment
  • the message also includes configuration information of at least one target PSCell cell with condition addition or condition modification and conditional handover condition configuration information of the target PSCell cell with corresponding condition addition or condition modification;
  • the terminal device will delete all previously saved configuration information of the conditional handover target PSCell and conditional handover condition configuration information of the corresponding conditional handover target PSCell.
  • the terminal device needs to suspend all SCG-related configurations (disconnection with SCG), and send an SCG connection failure report to MCG, that is: once the terminal device fails to connect to SCG, the SCG connection If it is completely disconnected, whether the SCG connection can be restored depends on the network implementation behavior after the MCG receives the SCG connection failure report from the terminal device, for example: MCG triggers the SCG release process to return the terminal device to the single connection state; or MCG triggers the reconfiguration process A new SCG cell is configured for the terminal device, and the terminal device attempts to restore the SCG connection based on the newly configured SCG cell.
  • the behavior of the terminal device after the above-mentioned SCG connection failure depends too much on the implementation of the MCG network. Even if the SCG connection is restored through the MCG reconfiguration process, it will take a long time and the signaling overhead of the reconfiguration process will be large, which is not conducive to the rapid operation of the terminal device. Restoring the DC high-speed state is also not conducive to power saving of terminal equipment.
  • FIG. 2 shows a flow chart of a method for establishing a connection provided by an embodiment of the present application.
  • the method can be executed by a terminal device, wherein the terminal device mentioned above can be a terminal in the network architecture shown in FIG. 1 .
  • the method may include the following steps:
  • Step 201 when the terminal device is in the dual connection state and the secondary cell group SCG connection fails, restore or re-establish the secondary cell group SCG connection through the first cell; the first cell is that the terminal device has stored corresponding target configuration information, and satisfy the first condition.
  • the above-mentioned first cell may be at least one of the primary cell, the secondary cell, the primary and secondary cell connected to the terminal device, and the cell in which the terminal device stores cell configuration information before the SCG connection fails.
  • the terminal device when the terminal device is in the dual connection state and the SCG connection fails, the terminal device can autonomously select from the cells that have stored the corresponding target configuration information to meet the first condition
  • the cell restores the SCG connection or re-establishes the SCG connection without waiting for the MCG to trigger the reconfiguration process, which reduces unnecessary reconfiguration processes, reduces the additional delay and signaling overhead caused by the reconfiguration process, and improves network transmission. efficiency and improve the user experience.
  • the terminal device may generate SCG connection failure report information, and in some cases, the terminal device needs to report the SCG connection failure report information.
  • FIG. 3 shows a flowchart of a method for establishing a connection provided by an embodiment of the present application.
  • the method can be executed by a network-side device, wherein the above-mentioned network-side device can be the network architecture shown in FIG. 1 base station or other network equipment.
  • the method may include the following steps:
  • Step 301 receiving the SCG connection failure report information; the SCG connection failure report information is generated when the terminal device is in the dual connection state and the SCG connection fails, and is reported according to the result of the SCG connection recovery or reconstruction; the SCG connection recovery or reconstruction process is It is performed by the first cell, where the first cell is a cell that has stored corresponding target configuration information in the terminal device and satisfies the first condition.
  • the terminal device when the terminal device is in the dual connection state and the SCG connection fails, the terminal device can autonomously select from the cells that have stored the corresponding target configuration information to meet the first condition
  • the cell restores the SCG connection or re-establishes the SCG connection, and reports the SCG connection failure report information according to the SCG connection recovery or re-establishment; in the above process, the terminal device does not need to wait for the MCG to trigger the reconfiguration process, and the network side device can also know
  • the recovery or re-establishment of the SCG connection on the terminal device side reduces unnecessary reconfiguration processes, reduces additional time delay and signaling overhead caused by the reconfiguration process, improves network transmission efficiency, and improves user experience.
  • FIG. 4 shows a flow chart of a method for establishing a connection provided by an embodiment of the present application.
  • the method can be executed by a terminal device, wherein the terminal device mentioned above can be a terminal in the network architecture shown in FIG. 1 .
  • the method may include the following steps:
  • Step 401 when the terminal device is in the dual connectivity state and the SCG connection fails, the terminal device restores or reestablishes the SCG connection through the first cell.
  • the terminal device When the terminal device is in the dual connectivity state and fails to connect to the secondary cell group SCG, the terminal device selects the first cell that meets the first condition from the cells that have stored the corresponding target configuration information.
  • the terminal device can obtain the primary cell, secondary cell, primary and secondary cell corresponding to the previous SCG, and the cell configuration information stored in the terminal device.
  • a first cell that satisfies the first condition is selected, and the secondary cell group SCG connection is restored or reestablished through the first cell.
  • the terminal device when the terminal device fails to connect to the SCG, if the terminal device can find a first cell that meets the first condition, the terminal device may try to re-establish or restore the SCG connection through the first cell.
  • restoring or reestablishing the SCG connection through the first cell includes:
  • the SCG connection is restored or reestablished through the first cell.
  • restoring or reestablishing the SCG connection through the first cell includes:
  • the step of selecting the first cell to restore or re-establish the SCG connection is performed once;
  • the first cell selects the first cell to restore or re-establish the SCG connection.
  • starting the timer includes:
  • the first reconfiguration message includes configuration information of the target PSCell of the CPA or CPC;
  • the second reconfiguration message includes configuration information for adding PSCell cells or modifying PSCell cells;
  • the timer is started whenever the terminal device fails to connect to the SCG and the terminal device stores configuration information of at least one SCG cell, and the timer is not running.
  • the first indication information enables the function of triggering SCG connection re-establishment or recovery, wherein the first indication information is used to indicate whether the terminal device enables the function of triggering SCG connection re-establishment or The restored function (see the follow-up introduction for the specific meaning).
  • the above-mentioned timer starting condition is: whenever the terminal device fails to connect to the SCG and the first indication information indicates that the function of triggering SCG connection re-establishment or recovery is enabled, and the timer is not running, the terminal device starts the timer;
  • the terminal device whenever the terminal device fails to connect to the SCG and the terminal device stores configuration information of at least one SCG cell, and the first indication information indicates that the function of triggering SCG connection re-establishment or recovery is enabled, and the timer is not running, the terminal device starts timer.
  • the terminal device may not start the timer even if the aforementioned timer start condition is met.
  • restoring or reestablishing the SCG connection through the first cell includes:
  • the terminal device When the terminal device is in the dual connectivity state and the SCG connection fails, and the number of failures to restore or re-establish the SCG connection is less than or equal to the second threshold, select the first cell to restore or re-establish the SCG connection.
  • the process for the terminal device to restore or re-establish the SCG connection through the first cell may have at least one of the following implementations:
  • Implementation method 1 When the terminal device fails to connect to the SCG, start or restart a timer T1. Before the timer T1 expires, if the terminal device can find a first cell that meets the first condition, the terminal device can try to pass the first cell. A cell re-establishes or restores the SCG connection.
  • the terminal device attempts an SCG connection recovery or SCG re-establishment process by default, and a failure of the SCG connection recovery or SCG re-establishment process attempted during the running of the timer T1 means that the SCG connection fails, That is: the second attempt to restore or re-establish the SCG connection is not allowed; or, in another implementation mode, during the running of the timer T1, the terminal device can try any number of SCG connection recovery or SCG re-establishment processes by default (each All cells selected once need to meet the first condition), until the SCG connection is successfully re-established or restored through an SCG cell, or until the timer T1 times out.
  • Implementation method 2 When the terminal device fails to connect to the SCG, start or restart a timer T1. Before the timer T1 expires, if the terminal device can find a first cell that meets the first condition, the terminal device can try to pass the second cell. A cell re-establishes or restores the SCG connection. At the same time, during the running of timer T1, the terminal device can try M times of SCG connection recovery or SCG re-establishment process (the selected cell needs to meet the first condition each time), until it passes an SCG cell. Until the SCG connection is successfully re-established or restored, or until M times of SCG connection restoration or SCG re-establishment are attempted, or until the timer T1 times out.
  • Implementation method 3 After the terminal device fails to connect to the SCG, if the terminal device can find a first cell that satisfies the first condition, the terminal device can try to re-establish or restore the SCG connection through the first cell, and the terminal device The device can attempt at most M times of SCG connection recovery or SCG re-establishment process (each selected cell needs to meet the first condition), until the SCG connection is successfully re-established or restored through an SCG cell, or until M times of SCG connection are tried recovery or SCG re-establishment process.
  • the condition for starting or restarting the timer T1 may include: each time the terminal device successfully receives the configuration information of the target PSCell cell containing at least one conditional addition (Conditional PSCell Addition, CPA) or conditional modification (Conditional PSCell Change, CPC) When the first SCG connection fails after the reconfiguration message, start or restart the timer T1; or, each time the terminal device successfully receives the reconfiguration message containing the PSCell cell addition or PSCell cell modification, the first SCG When the connection fails, start or restart the timer T1; or, each time the terminal device successfully receives the reconfiguration message when the first SCG connection fails, start or restart the timer T1; or, each time the terminal device successfully connects When the SCG connection fails for the first time after entering an SCG cell, start or restart the timer T1; or, whenever the terminal device fails to connect to the SCG and the timer is not running, start or restart the timer T1; or, whenever the terminal device When an SCG connection failure occurs and the terminal
  • timer T1 or parameter M can be configured in any of the following ways:
  • Default mode for example, specified in the protocol
  • system broadcast message mode for example, configured by the network side to the terminal device through a system broadcast message
  • dedicated signaling mode for example, configured by the network side to the terminal device through RRC signaling
  • the target configuration information includes at least one of the following information:
  • the preconditions for fast recovery or re-establishment of the SCG connection may include: the terminal device has stored configuration information of at least one CPA or CPC target PSCell cell and corresponding condition addition or condition modification when the SCG connection failure occurs
  • the conditional handover trigger condition configuration information associated with the target PSCell may include: the terminal device has stored configuration information of at least one CPA or CPC target PSCell cell and corresponding condition addition or condition modification when the SCG connection failure occurs.
  • the terminal device may generate an SCG failure report and report the SCG failure report to the MCG when SCG connection failure occurs.
  • the configuration information of the target PSCell may include at least one of the following:
  • the physical layer configuration that the terminal should use in the target PSCell the MAC layer configuration that the terminal should use in the target PSCell, the RLC layer configuration that the terminal should use in the target PSCell, the DRB-related configuration that the terminal should use in the target PSCell, and the cell Supported frequency bands and bandwidth related configurations as well as random access configurations.
  • conditional handover event type corresponding to the conditional handover trigger condition configuration information associated with the target PSCell cell may include any of the following:
  • Condition A3 event the target switching cell measurement result is higher than the current PCell/PSCell cell measurement result of the terminal device by a first threshold
  • Condition A4 event the measurement result of the target handover cell is higher than a second threshold
  • Condition A5 event the measurement result of the current PCell/PSCell cell of the terminal device is lower than a third threshold and the measurement result of the target handover cell is higher than a fourth threshold;
  • Condition D1 event the distance between the terminal device and the location reference point 1 is greater than a fifth threshold and the distance between the terminal device and the location reference point 2 is smaller than a sixth threshold;
  • Condition T1 event The local time of the terminal device exceeds the configured time 1 but does not exceed the configured time 2.
  • the first threshold, the second threshold, the third threshold, the fourth threshold, the fifth threshold, the sixth threshold, time 1 and time 2 can be configured to terminal devices by the network side through system broadcast messages or dedicated signaling.
  • the first one is directly given in UTC time, such as year, month, day, hour, minute and second: 2021.11.25 17:43:05;
  • time 2 time 1 + fixed duration, for example: time 2 is the time corresponding to 20 seconds after time 1, and the configuration format of time 2 is not limited in this application.
  • conditional handover trigger condition configuration information associated with a target PSCell with condition addition or condition modification includes at least two trigger event configuration information
  • condition associated with the target PSCell cell with corresponding condition addition or condition modification may refer to:
  • conditional handover triggering condition associated with the target PSCell cell corresponding to the condition addition or condition modification is met; or,
  • conditional handover trigger condition associated with the target PSCell corresponding to the condition addition or condition modification is met.
  • the above-mentioned first condition includes: at least one of a cell selection condition, a first measurement event, and a handover condition in the conditional handover trigger condition configuration information.
  • conditional handover triggering condition configuration information is the conditional handover triggering condition configuration associated with the target PSCell cell configuration corresponding to condition addition or condition modification stored in the terminal device.
  • the first measurement event includes at least one of the following events:
  • the measurement result of the first cell is greater than or equal to the first measurement result threshold
  • the measurement result of the first cell is greater than the measurement result of the primary cell, and the difference between the measurement result of the first cell and the measurement result of the primary cell is greater than or equal to an offset;
  • the measurement result of the first cell is greater than or equal to the second measurement result threshold, and the measurement result of the primary cell is less than or equal to the third measurement result threshold;
  • the distance between the terminal device and the first cell is less than or equal to a first distance threshold
  • the distance between the terminal device and the first cell is less than or equal to the second distance threshold, and the distance between the terminal device and the primary cell is greater than or equal to the third distance threshold.
  • the above-mentioned first measurement event can be configured in at least one of the following ways:
  • Preset mode for example, the protocol specifies a default value
  • system broadcast message mode for example, the protocol specifies a default value
  • dedicated signaling mode for example, the protocol specifies a default value
  • the above-mentioned meaning of meeting the first condition may include any of the following:
  • the terminal device stores the condition for selecting a cell
  • the PSCell cell adds configuration information or stores the condition for selecting a cell
  • the PSCell cell modifies configuration information and meets the cell selection condition
  • the terminal device stores the condition of the selected cell PSCell cell addition configuration information or stores the condition of the selected cell PSCell cell modification configuration information and at the same time satisfies the corresponding selected condition addition or condition modification target PSCell cell associated condition handover trigger condition configuration information switching condition in
  • the terminal device stores the condition of selecting the cell, PSCell cell addition configuration information or stores the condition of selecting the cell, PSCell cell modification configuration information, and satisfies the first measurement event at the same time.
  • the first measurement event may include any one of the following events:
  • Event 1 the measurement result of the cell is greater than or equal to the seventh threshold
  • Event 2 The measurement result of the cell is higher than that of the PCell by an offset
  • Event 3 the measurement result of the cell is higher than or equal to the eighth threshold, but the measurement result of the PCell is lower than or equal to the ninth threshold;
  • Event 4 The distance between the terminal device and the cell is less than or equal to the tenth threshold
  • Event 5 the distance between the terminal device and the cell is less than or equal to the tenth threshold and the distance between the terminal device and the PCell is greater than or equal to the eleventh threshold;
  • Event 6 any combination of event 4 or event 5 and events 1 to 3.
  • the satisfaction condition of the combination event is that at least one single event (the above-mentioned events 1 to 5 can be referred to as a single event) is satisfied, then the combination event is considered to be satisfied; or, when all the single events contained in the combination event are satisfied , then it is considered that the combined event satisfies, which is not limited in this application.
  • Step 402 optionally, when the terminal device is in the dual connection state and SCG connection fails, generate SCG connection failure report information.
  • the meaning of the cell selection condition can be as follows:
  • the cell selection criterion is satisfied when the following conditions are met:
  • the measured cell receiving level value can also be Reference Signal Receiving Power (RSRP);
  • RSRP Reference Signal Receiving Power
  • Q qualmeas measured cell selection quality value; it can also be Reference Signal Receiving Quality (RSRQ);
  • Q rxlevmin Minimum reception level required in the cell. If the UE supports the supplementary uplink (Supplementary Uplink, SUL) frequency of this cell, then obtain Q rxlevmin in qR xLevMinSUL of SIB1, SIB2 and SIB4 (if present), in addition, if the Q rxlevminoffsetcellSUL of the relevant cell exists in SIB3 and SIB4, This cell specific offset is then added to the corresponding Q rxlevmin to achieve the required minimum receive level in the associated cell.
  • SUL Supplementary Uplink
  • Q rxlevmin is obtained from qR xLevMin in SIB1, SIB2, and SIB4; moreover, if Q RXLEVMINOVSETCELL is present in SIB3 and SIB4 of the relevant cell, this cell-specific offset is added to the corresponding Q rxlevmin to achieve correlation Minimum reception level required in a cell.
  • Q qualmin The minimum quality level required for the cell. Furthermore, if a Q qualminoffsetcell is signaled to the relevant cell, this cell-specific offset is added to achieve the required minimum quality level in the relevant cell.
  • Q rxlevminoffset Offset of the signal Q rxlevmin considered in the evaluation of S rxlev as a result of periodic searches for higher priority PLMNs during normal camping in a Visited Public Land Mobile Network (VPLMN).
  • VPLMN Visited Public Land Mobile Network
  • Q qualminoffset Offset of the signal Q qualmin considered in the Q qual evaluation as a result of periodic searches for higher priority PLMNs during normal camping in a Visited Public Land Mobile Network (VPLMN).
  • VPLMN Visited Public Land Mobile Network
  • P compensation For FR1, if the UE supports additional P max in NR NS P maxList , it supports additional P max in SIB1, SIB2 and SIB4 (if present):
  • P EMAX1 , P EMAX2 when transmitting on the uplink of the cell of P EMAX , the maximum transmit power level that the UE can use. If the UE supports the SUL frequency of the current cell, PEMAX1 and PEMAX2 are obtained from the p-Max of the SUL in SIB1 and the NR NS P maxList of the SUL in SIB1, SIB2, and SIB4; otherwise, PEMAX1 and PEMAX2 are obtained from the SUL of SIB1 , p-Max and NR NS PmaxList in SIB2 and SIB4 for normal uplink transmission.
  • P PowerClass Determined according to the UE power class, the maximum RF output power of the UE.
  • the signal values Q rxlevminoffset and Q qalminoffset are only applied in case of evaluation of cell selection due to periodic search for a higher priority PLMN while camping normally in a VPLMN.
  • the UE may check the cell's selection criteria using parameter values stored from different cells of the higher priority PLMN.
  • Step 403 optionally, process the SCG connection failure report information according to the result of SCG connection recovery or re-establishment.
  • the SCG connection failure report information is processed according to the result of the SCG connection recovery or re-establishment, including:
  • the terminal device When the timer expires, the terminal device reports SCG connection failure report information to the main cell group MCG;
  • the terminal device When the terminal device fails to connect to the SCG again during the running of the timer, the terminal device reports the SCG connection failure report information to the MCG;
  • the terminal device When the number of SCG connection failures of the terminal device during the running of the timer reaches the third threshold, the terminal device reports SCG connection failure report information to the MCG;
  • the terminal device When the timer stops, the terminal device reports the SCG connection failure report information to the MCG;
  • the terminal device When successfully reestablishing or restoring the SCG connection through the selected first cell, the terminal device deletes the previously stored SCG connection failure report information;
  • the terminal device When successfully reestablishing or restoring the SCG connection through the selected first cell, the terminal device reports SCG connection failure report information to the successfully accessed first cell;
  • the terminal device When successfully reestablishing or restoring the SCG connection through the selected first cell, the terminal device reports SCG connection failure report information to the MCG;
  • the terminal device reports SCG connection failure report information to the MCG.
  • the SCG connection failure report information can be generated, and the terminal device performs the SCG connection restoration or re-establishment process through the first cell In a case where the SCG connection is restored or reestablished, the SCG connection failure report information may also be reported.
  • the terminal device when the terminal device fails to connect to the SCG, it also includes recording the SCG failure report information when the SCG failure occurs, and the processing behavior of the SCG failure report information may be any of the following:
  • the terminal device When the timer T1 expires, the terminal device is triggered to report SCG failure report information to the MCG;
  • An SCG failure occurs again during the running of timer T1, triggering the terminal device to report SCG failure report information to the MCG;
  • SCG failure occurs again and reaches the maximum number M, triggering the terminal device to report SCG failure report information to MCG;
  • the terminal device When the timer T1 stops, the terminal device is triggered to report SCG failure report information to the MCG;
  • the terminal device If the terminal device successfully re-establishes or restores the SCG connection through the selected first cell, delete the stored SCG failure report information;
  • the terminal device If the terminal device successfully re-establishes or restores the SCG connection through the selected first cell, the terminal device reports the previously stored SCG failure report information to the successfully accessed first cell;
  • the terminal device If the terminal device successfully re-establishes or restores the SCG connection through the selected first cell, the terminal device reports the previously stored SCG failure report information to the MCG;
  • the terminal device If the number of SCG connection failures on the terminal device reaches M times again, the terminal device reports SCG connection failure report information to the MCG.
  • the reasons for the timeout of the timer include:
  • the first cell meeting the first condition is selected during the running of the timer, and the first cell meeting the first condition is not successfully accessed during the running of the timer.
  • the behavior of the terminal device may also include: deleting all stored configuration information of at least one target PSCell with condition addition or condition modification and conditions associated with the target PSCell corresponding to condition addition or condition modification Handover trigger condition configuration information; or delete all stored configuration information related to conditional handover, wherein conditional handover includes any one of conditional PCell change (also called Conditional Handover, CHO), CPC or CPA.
  • conditional PCell change also called Conditional Handover, CHO
  • CPC CPA
  • the above deleted information may be configuration information related to the SCG.
  • the terminal device may delete the stored configuration information of at least one conditionally added or conditionally modified target PSCell related to the SCG, and delete the SCG-related, Conditional handover trigger condition configuration information associated with the target PSCell corresponding to the condition addition or condition modification.
  • the terminal device may delete all stored configuration information related to the SCG that is added to or modified by the corresponding conditional PSCell.
  • the reasons for stopping the timer include:
  • the number of SCG connection failures reaches the fifth threshold
  • the stored configuration information of the target PSCell cell with condition addition or condition modification, and the conditional handover trigger condition configuration information associated with the target PSCell cell corresponding to the condition addition or condition modification are deleted;
  • the stored configuration information of the target PSCell cell with condition addition or condition modification, and the conditional handover trigger condition configuration information associated with the target PSCell cell corresponding to condition addition or condition modification becomes invalid;
  • a timely handover configuration message sent by the network device is received; the timely handover configuration message is used to control the terminal device to immediately trigger an access process with the target PCell or target PSCell.
  • the trigger condition for stopping the timer T1 may include any of the following:
  • the terminal device finds the first cell that meets the preset condition 1 during the running of the timer T1 and successfully completes the random access process with the first cell or successfully completes uplink synchronization with the first cell before the timer T1 expires;
  • the terminal device finds the first cell meeting the preset condition 1 during the running of the timer T1 and successfully sends a reconfiguration complete message to the MCG or the first cell before the timer T1 expires;
  • the terminal device fails SCG again during the running of timer T1;
  • the terminal device re-occurs SCG failures up to the maximum number M during the running of timer T1;
  • the terminal device deletes all stored configuration information of at least one target PSCell with condition addition or condition modification and conditional handover trigger condition configuration information associated with the target PSCell with corresponding condition addition or condition modification;
  • the terminal device determines that all the configuration information of at least one condition-added or condition-modified target PSCell and the conditional handover trigger condition configuration information associated with the corresponding condition-added or condition-modified target PSCell are invalid;
  • the terminal device receives a synchronous reconfiguration message for changing the MCG sent by the network device during the running of the timer T1;
  • the terminal device fails to trigger the MCG wireless link during the running of timer T1;
  • the terminal device receives a timely switching configuration message sent by the network device during the running of the timer T1;
  • the above timely handover configuration message is relative to the conditional handover configuration message. After the terminal device successfully receives the timely handover configuration message sent by the network device, it will immediately trigger the access process with the target PCell or target PSCell.
  • the SCG connection failure reasons in the SCG connection failure report information include:
  • the reasons for the SCG connection failure may include: continuous SCG failures, conditional SCG handover failures, or no SCG cells meeting the conditions to initiate SCG connection re-establishment or recovery process.
  • the reasons for the SCG connection failure may also include any of the following:
  • the T310 timer for judging that the synchronization is abnormal on the SCG side expires, the random access process on the SCG side fails (for example, the number of random access attempts reaches the specified maximum), and the radio link control (Radio Link Control, RLC) retransmission on the SCG side reaches the specified
  • RLC Radio Link Control
  • the SCG connection failure report information includes: identification information or logical identification information of the cell where the SCG connection failure occurs.
  • the identification information of the cell where the SCG failure occurs is represented by a Cell Global Identifier (CGI), a frequency point + a Physical Cell Identifier (PCI), or a serving cell identity (servCellIndex).
  • CGI Cell Global Identifier
  • PCI Physical Cell Identifier
  • servingCellIndex serving cell identity
  • the logical identification information of the cell where the SCG failure occurs is a logical identification associated with the target PSCell cell for each condition added or condition modified during the conditional handover configuration process, and the meaning of the logical identification is illustrated by Table 1 as an example:
  • a logical identification information is associated with a conditional handover target PSCell configuration and the target PSCell conditional handover trigger condition configuration.
  • the main function of the logical identification information is to identify a CHO (Conditional HO), CPC or CPA corresponding configuration.
  • the logical identifier corresponds to the standard CondReconfigId parameter.
  • process the SCG connection failure report information including:
  • report SCG connection failure report information of at least two SCG connection failures.
  • the SCG connection failure report information includes the identification information or logical identification information of the SCG cell whose SCG connection failed last time;
  • the SCG connection failure report information includes identification information or logical identification information of SCG cells that have failed SCG connection at least twice.
  • the terminal device reports the SCG report behavior in any of the following ways:
  • Behavior 1 Report the latest SCG failure record, and the SCG failure report recorded later always covers the SCG failure report recorded earlier, that is, the terminal device only reports the latest SCG failure report.
  • the content of the SCG failure report under behavior mode 1 includes: the standard existing record content + the aforementioned enhanced part (that is, the identification information or logical identification information of the cell where the SCG connection failure occurred; and/or the reason information for the SCG connection failure; wherein, the SCG connection failure occurred
  • the identification information or logical identification information of the failed cell is the identification information or logical identification information of the cell where the SCG failure occurred most recently).
  • Behavior 2 Record each SCG failure separately and report it together through the SCG failure report list.
  • Each SCG failure report contained in the SCG failure report list includes the complete SCG failure report content.
  • SCG failure report content in behavior mode 2 standard existing record content + the aforementioned enhanced part (that is, the identification information or logical identification information of the cell where the SCG connection failure occurred; and/or the cause information of the SCG connection failure, where the SCG failure occurred).
  • the identification information or logical identification information of the cell is the identification information or logical identification information of the respective cells where the SCG failure actually occurs).
  • the maximum number of SCG failure reports that can be recorded in the SCG failure report list specified by the communication system is configured in any of the following ways:
  • Default mode (such as protocol regulation), system broadcast message mode or dedicated signaling mode.
  • SCG failure report content in behavior mode 3 standard existing record content + the aforementioned enhanced part (that is, the identification information or logical identification information of the cell where the SCG connection failure occurred; and/or the cause information of the SCG connection failure, where the SCG failure occurred).
  • the identification information or logical identification information of the cell includes the identification information or logical identification information of the cell where the SCG failure occurred multiple times before).
  • the communication system stipulates the maximum number of SCG failure cell identification information or logical identification information that can be recorded in the SCG failure report, the cyclic coverage mode is used for recording, for example: the communication system specifies that the SCG failure report
  • the maximum number of SCG failure cell identification information or logical identification information that can be recorded is 3, and when the fourth SCG failure occurs, the terminal device will only record the identification information or logical identification information of the last three SCG failure cells, and so on to cycle Coverage records, that is, the number of SCG failure cell identification information or logical identification information recorded in the SCG failure report actually reported by the terminal device will not exceed the number of SCG failure cell identification information or logical identification information that can be recorded in the SCG failure report as stipulated by the communication system.
  • the maximum number of identification information is 3
  • the SCG failure cell identification information or the maximum number of logical identification information parameters that can be recorded in the SCG failure report specified by the communication system are configured in any of the following ways:
  • Step 404 optionally, when successfully reestablishing or restoring the SCG connection through the selected first cell, report the identification information or logical identification information of the designated SCG cell to the MCG or the SCG where the connection is established; correspondingly, the network side device receives the designated Identification information or logical identification information of the SCG cell.
  • specifying the identification information or logical identification information of the SCG cell includes:
  • the identification information or logical identification information of the successfully accessed SCG cell and the identification information or logical identification information of at least one SCG cell whose SCG connection failed before the successful access to the SCG cell.
  • the behavior of the terminal device after the terminal device successfully re-establishes or restores the SCG connection through the selected first cell, the behavior of the terminal device also includes: reporting the preset SCG cell to the MCG or the connected SCG through dedicated signaling The identification information or logical identification information.
  • the above-mentioned dedicated signaling is a reconfiguration complete message or a terminal device auxiliary information reporting message.
  • the meaning of the preset SCG cell identification information or logical identification information is any of the following:
  • it includes identification information or logical identification information of the SCG cell that the terminal device successfully accesses, and at least one SCG cell identification information or logical identification information that the terminal device successfully accesses the SCG cell.
  • the network side device may send first indication information to the terminal device; correspondingly, the terminal device may receive the first indication information sent by the network device, and the first indication information is used to indicate whether the terminal device enables the trigger The function of SCG connection reestablishment or recovery.
  • the behavior of the terminal device before triggering the fast recovery or re-establishment of the SCG connection, the behavior of the terminal device further includes receiving a first configuration message sent by the network device, the first configuration message may include first indication information, and the above first indication information is used for Indicates whether the terminal device can trigger SCG connection fast recovery or re-establishment attempt behavior.
  • the terminal device performs the above steps 401 to 404 .
  • the terminal device performs the behavior according to the existing process, that is: when the SCG connection fails, the terminal device generates an SCG failure report and sends the SCG
  • the failure report is reported to MCG, and the content of SCG failure report will not be enhanced in any way.
  • the first configuration message is a system broadcast message or a dedicated signaling message.
  • the dedicated signaling may be any one of radio resource control signaling, medium access control control element (MAC Control Element, MAC CE), and downlink control information (Downlink Control Information, DCI).
  • MAC Control Element medium access control control element
  • DCI Downlink Control Information
  • the terminal device may also send capability indication information to the network device, and correspondingly, the network side device receives the capability indication information sent by the terminal device; the capability indication information is used to indicate whether the terminal device supports SCG connection Rebuild or restore functionality.
  • the terminal device when the terminal device is in the dual connection state and the SCG connection fails, the terminal device can autonomously select from the cells that have stored the corresponding target configuration information to meet the first condition
  • the cell restores the SCG connection or re-establishes the SCG connection without waiting for the MCG to trigger the reconfiguration process, which reduces unnecessary reconfiguration processes, reduces the additional delay and signaling overhead caused by the reconfiguration process, and improves network transmission. efficiency and improve user experience.
  • FIG. 5 shows a block diagram of an apparatus for establishing a connection provided by an embodiment of the present application.
  • the connection establishment apparatus 500 can be used in a terminal device. As shown in Figure 5, the device may include:
  • a connection module 501 configured to restore or re-establish the SCG connection through the first cell when the terminal device is in the dual connection state and the SCG connection fails;
  • the first cell is a cell in which corresponding target configuration information has been stored in the terminal device and which satisfies a first condition.
  • the target configuration information includes at least one of the following information:
  • the first condition includes: at least one of a cell selection condition, a first measurement event, and a handover condition in conditional handover trigger condition configuration information.
  • conditional handover trigger condition configuration information is the conditional handover trigger condition configuration associated with the corresponding condition added or condition modified target PSCell cell configuration stored in the terminal device. .
  • the first measurement event includes at least one of the following events:
  • the measurement result of the first cell is greater than or equal to a first measurement result threshold
  • the measurement result of the first cell is greater than the measurement result of the primary cell, and the difference between the measurement result of the first cell and the measurement result of the primary cell is greater than or equal to an offset;
  • the measurement result of the first cell is greater than or equal to a second measurement result threshold, and the measurement result of the primary cell is less than or equal to a third measurement result threshold;
  • the distance between the terminal device and the first cell is less than or equal to a first distance threshold
  • the distance between the terminal device and the first cell is less than or equal to a second distance threshold, and the distance between the terminal device and the primary cell is greater than or equal to a third distance threshold.
  • the first measurement event is configured in at least one of the following manners:
  • Preset mode for example, the protocol specifies a default value
  • system broadcast message mode for example, the protocol specifies a default value
  • dedicated signaling mode for example, the protocol specifies a default value
  • connection module is configured to:
  • the SCG connection is recovered or reestablished through the first cell.
  • connection module is configured to:
  • the step of selecting the first cell to restore or re-establish the SCG connection is performed once;
  • the first cell selects the first cell to restore or re-establish the SCG connection.
  • connection module is configured to:
  • the first reconfiguration message includes configuration information of the target PSCell of the CPA or CPC;
  • the second reconfiguration message includes configuration information of PSCell cell addition or PSCell cell modification
  • the timer is started whenever the terminal device fails to connect to the SCG and the terminal device stores configuration information of at least one SCG cell and the timer is not running.
  • the connection module is configured to: when the terminal device is in the dual connection state and the SCG connection fails, when the number of failures to restore or re-establish the SCG connection is less than or equal to the second threshold, Select the first cell to restore or re-establish the SCG connection.
  • the device further includes:
  • a report generating module configured to generate SCG connection failure report information when the terminal device is in a dual connection state and the SCG connection fails;
  • the report processing module is configured to process the SCG connection failure report information according to the result of SCG connection recovery or re-establishment.
  • the report processing module is configured to:
  • the terminal device When the timer expires, the terminal device reports the SCG connection failure report information to the main cell group MCG;
  • the terminal device When the terminal device fails to connect to the SCG again during the operation of the timer, the terminal device reports SCG connection failure report information to the MCG;
  • the terminal device When the number of SCG connection failures of the terminal device during the operation of the timer reaches a third threshold, the terminal device reports SCG connection failure report information to the MCG;
  • the terminal device When the timer stops, the terminal device reports SCG connection failure report information to the MCG;
  • the terminal device When successfully reestablishing or restoring the SCG connection through the selected first cell, the terminal device deletes previously stored SCG connection failure report information;
  • the terminal device When successfully reestablishing or restoring the SCG connection through the selected first cell, the terminal device reports SCG connection failure report information to the successfully accessed first cell;
  • the terminal device When successfully reestablishing or restoring the SCG connection through the selected first cell, the terminal device reports SCG connection failure report information to the MCG;
  • the terminal device reports SCG connection failure report information to the MCG.
  • the reasons for the timeout of the timer include:
  • the first cell that meets the first condition is not selected during the running of the timer
  • the device further includes: a deletion module configured to,
  • the terminal device deletes the stored configuration information of at least one conditionally added or conditionally modified target PSCell cell, and the conditional handover trigger condition configuration associated with the conditionally added or conditionally modified target PSCell cell information;
  • the terminal device deletes all stored configuration information related to conditional switching.
  • the reasons for stopping the timer include:
  • the number of SCG connection failures reaches the fifth threshold
  • the stored configuration information of the target PSCell cell with condition addition or condition modification is deleted, and the conditional handover trigger condition configuration information associated with the target PSCell cell corresponding to the condition addition or condition modification;
  • the stored configuration information of the target PSCell cell with condition addition or condition modification, and the conditional handover trigger condition configuration information associated with the target PSCell cell corresponding to condition addition or condition modification becomes invalid;
  • a synchronous reconfiguration message for changing the MCG sent by the network device is received
  • a timely handover configuration message sent by the network device is received; the timely handover configuration message is used to control the terminal device to immediately trigger an access process with the target PCell or target PSCell.
  • the SCG connection failure reason in the SCG connection failure report information includes:
  • the SCG connection failure report information includes: identification information or logical identification information of a cell where the SCG connection failure occurs.
  • report SCG connection failure report information of at least two SCG connection failures.
  • the SCG connection failure report information includes the identification information or logical identification information of the SCG cell whose SCG connection failed last time;
  • the SCG connection failure report information includes identification information or logical identification information of SCG cells that have failed at least twice in SCG connection.
  • the device further includes:
  • the identification reporting module is configured to report the identification information or logical identification information of the designated SCG cell to the MCG or the SCG where the connection is established when the SCG connection is successfully reestablished or restored through the selected first cell.
  • the identification information or logical identification information of the specified SCG cell includes:
  • the identification information or logical identification information of the successfully accessed SCG cell and the identification information or logical identification information of at least one SCG cell whose SCG connection failed before the successful access to the SCG cell.
  • the device further includes:
  • the indication receiving module is configured to receive first indication information sent by the network device, where the first indication information is used to indicate whether the terminal device enables the function of triggering SCG connection reestablishment or recovery.
  • the device further includes:
  • An indication sending module configured to send capability indication information to the network device, where the capability indication information is used to indicate whether the terminal device supports the function of SCG connection reestablishment or recovery.
  • the terminal device when the terminal device is in the dual connection state and the SCG connection fails, the terminal device can automatically select from the cells that have stored the corresponding target configuration information and meet the first condition.
  • the cell restores the SCG connection or re-establishes the SCG connection without waiting for the MCG to trigger the reconfiguration process, which reduces unnecessary reconfiguration processes, reduces the additional delay and signaling overhead caused by the reconfiguration process, and improves network transmission. efficiency and improve user experience.
  • FIG. 6 shows a block diagram of an information receiving device provided by an embodiment of the present application.
  • the information receiving apparatus 600 may be used in network side equipment.
  • the device may include:
  • the receiving module 601 is configured to receive SCG connection failure report information; the SCG connection failure report information is generated when the terminal device is in a dual connection state and the SCG connection fails, and is reported according to the result of SCG connection recovery or re-establishment;
  • the process of restoring or reestablishing the SCG connection is performed through the first cell, and the first cell is a cell that has stored corresponding target configuration information in the terminal device and satisfies the first condition.
  • the SCG connection failure report information includes: a reason for the SCG connection failure.
  • the SCG connection failure reasons in the SCG connection failure report information include:
  • the SCG connection failure report information includes: identification information or logical identification information of a cell where the SCG connection failure occurs.
  • the SCG connection failure report information includes the SCG connection failure report information of the latest SCG connection failure
  • the SCG connection failure report information includes SCG connection failure report information of at least two SCG connection failures.
  • the SCG connection failure report information includes the SCG connection failure report information of the latest SCG connection failure
  • the SCG connection failure report information includes the identification information or logical identification information of the SCG cell whose SCG connection failed last time;
  • the SCG connection failure report information includes identification information or logical identification information of SCG cells that have failed at least twice in SCG connection.
  • the receiving module 601 is further configured to receive a specified Identification information or logical identification information of the SCG cell.
  • the identification information or logical identification information of the specified SCG cell includes:
  • the identification information or logical identification information of the successfully accessed SCG cell and the identification information or logical identification information of at least one SCG cell whose SCG connection failed before the successful access to the SCG cell.
  • the device further includes:
  • a sending module configured to send first indication information to the terminal device, where the first indication information is used to indicate whether the terminal device enables the function of triggering SCG connection reestablishment or recovery.
  • the receiving module 601 is further configured to receive capability indication information sent by the terminal device, where the capability indication information is used to indicate whether the terminal device supports the function of SCG connection reestablishment or recovery .
  • the terminal device when the terminal device is in the dual connection state and the SCG connection fails, the terminal device can autonomously select from the cells that have stored the corresponding target configuration information to meet the first condition
  • the cell restores the SCG connection or re-establishes the SCG connection, and reports the SCG connection failure report information according to the SCG connection recovery or re-establishment; in the above process, the terminal device does not need to wait for the MCG to trigger the reconfiguration process, and the network side device can also know
  • the SCG connection on the terminal device side is restored or reestablished, unnecessary reconfiguration processes are reduced, additional time delay and signaling overhead caused by the reconfiguration process are reduced, network transmission efficiency is improved, and user experience is improved.
  • the device provided by the above embodiment realizes its functions, it only uses the division of the above-mentioned functional modules as an example for illustration. In practical applications, the above-mentioned function allocation can be completed by different functional modules according to actual needs. That is, the content structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • FIG. 7 shows a schematic structural diagram of a computer device 700 provided by an embodiment of the present application.
  • the computer device 700 may include: a processor 701 , a receiver 702 , a transmitter 703 , a memory 704 and a bus 707 .
  • the processor 701 includes one or more processing cores, and the processor 701 executes various functional applications and information processing by running software programs and modules.
  • the receiver 702 and the transmitter 703 can be realized as a communication component, and the communication component can be a communication chip.
  • the communication chip can also be called a transceiver.
  • the memory 704 is connected to the processor 701 through a bus 707 .
  • the memory 704 may be used to store a computer program, and the processor 701 is used to execute the computer program, so as to implement various steps performed by the terminal device in the foregoing method embodiments.
  • volatile or non-volatile storage devices include but not limited to: magnetic disk or optical disk, electrically erasable and programmable Read Only Memory, Erasable Programmable Read Only Memory, Static Anytime Access Memory, Read Only Memory, Magnetic Memory, Flash Memory, Programmable Read Only Memory.
  • the foregoing computer device may be implemented as the terminal device in each of the foregoing method embodiments.
  • the computer device includes a processor, a memory, and a transceiver (the transceiver may include a receiver and a transmitter, the receiver is used to receive information, and the transmitter is used to send information);
  • the transceiver is configured to restore or re-establish the SCG connection through the first cell when the terminal device is in the dual connectivity state and the SCG connection fails;
  • the first cell is a cell in which corresponding target configuration information has been stored in the terminal device and which satisfies a first condition.
  • the process performed by the transceiver and/or the processor can refer to the steps performed by the terminal device in the solution shown in FIG. 2 or FIG. 4 above, where No longer.
  • the transceiver is configured to receive SCG connection failure report information;
  • the SCG connection failure report information is generated when the terminal device is in a dual connection state and the SCG connection fails, and is reported according to the result of SCG connection recovery or re-establishment;
  • the process of restoring or reestablishing the SCG connection is performed through a first cell, and the first cell is a cell that has stored corresponding target configuration information in the terminal device and satisfies the first condition.
  • the process performed by the transceiver and/or the processor can refer to the steps performed by the network-side device in the solution shown in FIG. 3 or FIG. 4 above, I won't repeat them here.
  • the embodiment of the present application also provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is loaded and executed by a processor to implement the above-mentioned method shown in FIG. 2 or FIG. 4 , by Each step executed by the terminal device; or, the computer program is loaded and executed by a processor to implement each step executed by the network side device in the method shown in FIG. 3 or FIG. 4 above.
  • the present application also provides a computer program product or computer program, the computer program product or computer program comprising computer instructions stored in a computer-readable storage medium.
  • the processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the steps performed by the terminal device in the method shown in FIG. 2 or FIG. 4 above; or , the processor executes the computer instructions, so that the computer device executes the various steps performed by the network side device in the method shown in FIG. 3 or FIG. 4 above.
  • the present application also provides a computer program, the computer program includes computer instructions, and the computer instructions are stored in a computer-readable storage medium.
  • the processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the steps performed by the terminal device in the method shown in FIG. 2 or FIG. 4 above; or , the processor executes the computer instructions, so that the computer device executes the various steps performed by the network side device in the method shown in FIG. 3 or FIG. 4 above.
  • the present application also provides a chip, the chip is used in a terminal device, and the chip can execute the various steps performed by the terminal device in the method shown in FIG. 2 or FIG. 4 above; Or in the method shown in FIG. 4 , various steps executed by the network side device.
  • the functions described in the embodiments of the present application may be implemented by hardware, software, firmware or any combination thereof.
  • the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium.
  • Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • a storage media may be any available media that can be accessed by a general purpose or special purpose computer.

Landscapes

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

Abstract

一种连接建立方法、装置、计算机设备、存储介质及程序产品,属于无线通信技术领域。方法包括:当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区(201)。上述方案不需要等待MCG触发重配置过程,减少了不必要的重配置过程,降低了重配置过程带来的额外的时延和信令开销,提高了网络传输的效率,改善了用户体验。

Description

连接建立方法、装置、计算机设备、存储介质及程序产品 技术领域
本申请涉及无线通信技术领域,特别涉及一种连接建立方法、装置、计算机设备、存储介质及程序产品。
背景技术
双连接(Dual Connectivity,DC)场景是一种同时利用两个无线连接进行数据通信的场景。
在DC场景中,终端与网络侧可以同时建立基于主小区组(Master Cell Group,MCG)的无线连接,以及基于辅小区组(Secondary Cell group,SCG)的无线连接,并同时通过上述两种连接与网络侧进行通信。
发明内容
本申请实施例提供了一种连接建立方法、装置、计算机设备、存储介质及程序产品。所述技术方案如下:
一方面,本申请实施例提供了一种连接建立方法,所述方法由终端设备执行,所述方法包括:
当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;
所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
一方面,本申请实施例提供了一种信息接收方法,所述方法由网络侧设备执行,所述方法包括:
接收SCG连接失败报告信息;所述SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;
其中,所述SCG连接恢复或者重建过程是通过第一小区执行的,所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
又一方面,本申请实施例提供了一种连接建立装置,所述装置包括:
连接模块,用于当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;
所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
又一方面,本申请实施例提供了一种信息接收装置,所述装置包括:
接收模块,用于接收SCG连接失败报告信息;所述SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;
其中,所述SCG连接恢复或者重建过程是通过第一小区执行的,所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
另一方面,本申请实施例提供了一种计算机设备,所述计算机设备实现为终端设备,所述计算机设备包括处理器、存储器和收发器;
所述收发器,用于当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;
所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
另一方面,本申请实施例提供了一种计算机设备,所述计算机设备实现为网络侧设备,所述计算机设备包括处理器、存储器和收发器;
所述收发器,接收SCG连接失败报告信息;所述SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;
其中,所述SCG连接恢复或者重建过程是通过第一小区执行的,所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
又一方面,本申请实施例还提供了一种计算机可读存储介质,所述存储介质中存储有计算机程序,所述计算机程序由处理器加载并执行以实现上述连接建立方法或者信息接收方法。
另一方面,提供了一种计算机程序产品或计算机程序,该计算机程序产品或计算机程序包括计算机指令,该计算机指令存储在计算机可读存储介质中。计算机设备的处理器从计算机可读存储介质读取该计算机指令,处理器执行该计算机指令,使得该计算机设备执行上述连接建立方法或者信息接收方法。
本申请实施例提供的技术方案可以带来如下有益效果:
当终端设备处于双连接状态下,且SCG连接失败时,终端设备可以自主从已经存储了对应的目标配置信息的小区中选择满足第一条件的小区恢复SCG连接或者重新建立SCG连接,不需要等待MCG触发重配置过程,减少了不必要的重配置过程,降低了重配置过程带来的额外的时延和信令开销,提高了网络传输的效率,改善了用户体验。
附图说明
为了更清楚地说明本申请实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是本申请一个实施例提供的通信***的网络架构的示意图;
图2是本申请一个实施例提供的连接建立方法的流程图;
图3是本申请一个实施例提供的信息接收方法的流程图;
图4是本申请一个实施例提供的连接建立方法的流程图;
图5是本申请一个实施例提供的连接建立装置的框图;
图6是本申请一个实施例提供的信息接收装置的框图;
图7是本申请一个实施例提供的计算机设备的结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合附图对本申请实施方式作进一步地详细描述。
本申请实施例描述的网络架构以及业务场景是为了更加清楚地说明本申请实施例的技术方案,并不构成对本申请实施例提供的技术方案的限定,本领域普通技术人员可知,随着网络架构的演变和新业务场景的出现,本申请实施例提供的技术方案对于类似的技术问题,同样适用。
请参考图1,其示出了本申请一个实施例提供的通信***的网络架构的示意图。该网络架构可以包括:终端10和基站20。
终端10的数量通常为多个,每一个基站20所管理的小区内可以分布一个或多个终端10。终端10可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备,以及各种形式的用户设备(User Equipment,UE),移动台(Mobile Station,MS),终端设备(terminal device)等等。为方便描述,本申请实施例中,上面提到的设备统称为终端。
基站20是一种部署在接入网中用以为终端10提供无线通信功能的装置。基站20可以包括各种形式的卫星基站,宏基站,微基站,中继站,接入点等等。在采用不同的无线接入技术的***中,具备基站功能的设备的名称可能会有所不同,例如在第5代移动通信(5th-Generation,5G)新空口(New Radio,NR)***中,称为gNodeB或者gNB。随着通信技术的演进,“基站”这一名称可能会变化。为方便描述,本申请实施例中,上述为终端20提供无线通信功能的装置统称为基站。
可选的,图1中未示出的是,上述网络架构还包括其它网络设备,比如:中心控制节点(Central Network Control,CNC)、接入和移动性管理功能(Access and Mobility Management Function,AMF)设备、会话管理功能(Session Management Function,SMF)或者用户面功能(User Plane Function,UPF)设备等等。
本公开实施例中的“5G NR***”也可以称为5G***或者NR***,但本领域技术人员可以理解其含义。本公开实施例描述的技术方案可以适用于5G NR***,也可以适用于5G NR***后续的演进***。
在介绍本申请后续各个实施例所示的方案之前,首先对本申请涉及的几个名词概念进行介绍。
1)双连接(Dual-Connectivity,DC)
DC是第三代合作伙伴计划(3rd Generation Partnership Project,3GPP)组织引入的重要技术。通过双连接技术,长期演进(Long Term Evolution,LTE)宏站和小站可以利用非理想回传(non-ideal backhaul)X2接口来实现载波聚合,从而为用户提供更高的速率,以及利用宏/微组网提高频谱效率和负载平衡。支持双连接的终端设备可以同时连接两个基站,增加单用户的吞吐量。
在5G网络的部署过程中,5G小区既可以作为宏覆盖独立组网,也可以作为小站对长期演进(Long Term Evolution,LTE)网络进行覆盖和容量增强。无论采用哪种组网方式,双连接技术都可以用来实现LTE-5G***的互连,从而提高整个移动网络***的无线资源利用率,降低***切换的时延,提高用户和***性能。3GPP组织在LTE双连接技术基础上,定义了LTE和5G的双连接技术。LTE-5G双连接是运营商实现LTE 和5G融合组网、灵活部署场景的关键技术。在5G早期可以基于现有的LTE核心网实现快速部署,后期可以通过LTE和5G的联合组网来实现全面的网络覆盖,提高整个网络***的无线资源利用率、降低***切换时延以及提高用户和***性能。
为了能够尽快实现5G网络部署和商业应用,3GPP在2017年12底前首先完成第一个5G版本,即LTE-NR双连接(LTE-NR Dual Connectivity,EN-DC)。这里LTE作为主节点(Master Node,MN),NR作为辅节点(Secondary Node,SN)。
EN-DC相对于LTE DC来说,主要的关键技术点主要包括:控制面,用户面,安全,无线链路失败(Radio Link Failure,RLF),***广播接收以及无线资源管理(Radio Resource Management,RRM)协调和UE能力协调等等。
控制面上,MN和SN侧均存在无线资源控制(Radio Resource Control,RRC)实体,均可以生成RRC协议数据单元(Protocol Data Unit,PDU)。但是同一个时刻只有一个RRC状态机且基于MN侧。
LTE中信令承载包括信令无线承载(Signaling Radio Bearer,SRB)0,SRB1,SRB2;EN-DC在此基础上进一步支持SRB3。SRB3用于传输SN到UE之间的RRC信令,该信令承载的信令内容生成不需要和MN之间进行资源和UE能力的协商。同时为了提高SRB1和SRB2的可靠性,EN-DC中支持***(split)SRB1和split SRB2,即MN产生的RRC消息对应的分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)PDU在SN侧重复传输一份,保证其高可靠性。
NR***规定,当SCG发生连接失败时,终端设备不会触发重建流程,而是通过MCG上报SCG连接失败报告。
2)条件切换
条件切换包括两种场景:
场景一:条件主小区(Primary Cell,PCell)改变,源PCell发送给终端设备的切换配置消息同时包括至少一个条件切换目标PCell小区的配置信息以及对应条件切换目标PCell小区的条件切换条件配置信息;条件切换执行成功后,即:终端设备成功接入到一个条件切换目标PCell小区后,终端设备会删除之前保存的全部条件切换目标PCell小区的配置信息以及对应条件切换目标PCell小区的条件切换条件配置信息。
场景二:条件主辅小区(Primary Secondary Cell,PSCell)添加(本文中后续可以简称为条件添加)或者条件PSCell修改(本文中后续可以简称为条件修改),PCell或者PSCell发送给终端设备的切换配置消息同时包括至少一个条件添加或者条件修改的目标PSCell小区的配置信息以及对应条件添加或者条件修改的目标PSCell小区的条件切换条件配置信息;条件切换执行成功后,即:终端设备成功接入到一个条件切换目标PSCell小区后,终端设备会删除之前保存的全部条件切换目标PSCell小区的配置信息以及对应条件切换目标PSCell小区的条件切换条件配置信息。
在上述方案中,一旦终端设备发生SCG连接失败,终端设备需要暂停所有SCG相关的配置(与SCG连接中断),并向MCG发送SCG连接失败报告,即:一旦终端设备发生SCG连接失败,SCG连接就彻底断掉,SCG连接能否恢复取决于MCG收到终端设备的SCG连接失败报告后的网络实现行为,比如:MCG触发SCG释放过程让终端设备回到单连接状态;或者MCG触发重配置过程为终端设备配置新的SCG小区,终端设备基于新配置的SCG小区尝试恢复SCG连接。
上述SCG连接失败后的终端设备行为过度依赖于MCG网络实现,即使SCG连接通过MCG重配置过程得以恢复,也会耗时较大且重配置过程信令开销也较大,既不利于终端设备快速恢复DC高速率状态也不利于终端设备节电。特别是针对条件PSCell添加或者条件PSCell修改场景,依赖MCG重配置意味着之前终端设备存储的多个目标PSCell小区的配置信息被放弃利用,甚至可能在MCG控制下被新的SCG配置覆盖,导致不必要的重配置过程,而重配置过程带来了额外时延问题和开销问题,影响用户体验。
请参考图2,其示出了本申请一个实施例提供的连接建立方法的流程图,该方法可以由终端设备执行,其中,上述该终端设备可以是图1所示的网络架构中的终端。该方法可以包括如下几个步骤:
步骤201,当终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;第一小区是终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
在一种可能的实现方式中,上述的第一小区,可以是SCG连接失败之前,终端设备连接的主小区、辅小区、主辅小区以及终端设备存储有小区配置信息的小区中的至少一种。
综上所述,本申请实施例所示的方案,当终端设备处于双连接状态下,且SCG连接失败时,终端设备可以自主从已经存储了对应的目标配置信息的小区中选择满足第一条件的小区恢复SCG连接或者重新建立SCG连接,不需要等待MCG触发重配置过程,减少了不必要的重配置过程,降低了重配置过程带来的额外的时延和信令开销,提高了网络传输的效率,改善了用户体验。
可选地,当终端设备的辅小区组SCG连接失败时,终端设备可以生成SCG连接失败报告信息,在某些情况下,终端设备需要将上述SCG连接失败报告信息进行上报。
请参考图3,其示出了本申请一个实施例提供的连接建立方法的流程图,该方法可以由网络侧设备执行,其中,上述该网络侧设备可以是图1所示的网络架构中的基站或者其它网络设备。该方法可以包括如下几个步骤:
步骤301,接收SCG连接失败报告信息;SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;SCG连接恢复或者重建过程是通过第一小区执行的,第一小区是终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
综上所述,本申请实施例所示的方案,当终端设备处于双连接状态下,且SCG连接失败时,终端设备可以自主从已经存储了对应的目标配置信息的小区中选择满足第一条件的小区恢复SCG连接或者重新建立SCG连接,并根据SCG连接恢复或重建的情况,上报SCG连接失败报告信息;在上述过程中,终端设备不需要等待MCG触发重配置过程,网络侧设备也能够获知终端设备侧的SCG连接恢复或重建的情况,减少了不必要的重配置过程,降低了重配置过程带来的额外的时延和信令开销,提高了网络传输的效率,改善了用户体验。
请参考图4,其示出了本申请一个实施例提供的连接建立方法的流程图,该方法可以由终端设备执行,其中,上述该终端设备可以是图1所示的网络架构中的终端。该方法可以包括如下几个步骤:
步骤401,当终端设备处于双连接状态下,且辅小区组SCG连接失败时,终端设备通过第一小区恢复或者重建辅小区组SCG连接。
当终端设备处于双连接状态下,且辅小区组SCG连接失败时,终端设备从已经存储有对应的目标配置信息的小区中,选择满足第一条件的第一小区。
可选的,当终端设备处于双连接状态下,且辅小区组SCG连接失败时,终端设备可以从之前的SCG对应的主小区、辅小区、主辅小区、以及终端设备存储有小区配置信息的小区中,选择满足第一条件的第一小区,并通过第一小区恢复或者重建辅小区组SCG连接。
在本申请实施例中,当终端设备发生SCG连接失败后,终端设备如果能够找到一个满足第一条件的第一小区,则终端设备可以尝试通过第一小区重新建立或者恢复SCG连接。
在一种可能的实现方式中,当终端设备处于双连接状态下,且SCG连接失败时,通过第一小区恢复或者重建SCG连接,包括:
当终端设备处于双连接状态下,且SCG连接失败时,启动定时器;
在定时器超时之前,通过第一小区恢复或者重建SCG连接。
在一种可能的实现方式中,在定时器超时之前,通过第一小区恢复或者重建SCG连接,包括:
在定时器超时之前,单次执行选择第一小区恢复或者重建SCG连接的步骤;
或者,在定时器超时之前,且在定时器运行期间恢复或者重建SCG连接的失败次数小于或等于第一次数阈值,选择第一小区恢复或者重建SCG连接。
在一种可能的实现方式中,启动定时器,包括:
在终端设备每次成功接收到第一重配消息后的首次SCG连接失败时,启动定时器;第一重配消息包含CPA或者CPC的目标PSCell小区的配置信息;
或者,在终端设备每次成功接收到第二重配消息后的首次SCG连接失败时,启动定时器;第二重配消息包含PSCell小区添加或者PSCell小区修改的配置信息;
或者,在终端设备每次成功接收到第三重配消息后的首次SCG连接失败时,启动定时器;
或者,在终端设备每次成功接入到一个SCG小区后的首次SCG连接失败时,启动定时器;
或者,每当终端设备发生SCG连接失败且定时器没有运行(或者称作所述定时器未启动)时,启动定时器;
或者,每当终端设备发生SCG连接失败且终端设备存储有至少一个SCG小区的配置信息,且定时器没有运行时,启动定时器。
可选地,在上述定时器启动条件基础上可能还需要进一步判断第一指示信息是否开启触发SCG连接重建或恢复的功能,其中,第一指示信息用于指示终端设备是否开启触发SCG连接重建或恢复的功能(具体含义见后续介绍)。
示例性地,上述定时器启动条件为:每当终端设备发生SCG连接失败且第一指示信息指示开启触发SCG连接重建或恢复的功能,且定时器没有运行时,终端设备启动定时器;
再例如,每当终端设备发生SCG连接失败且终端设备存储有至少一个SCG小区的配置信息,且第一指示信息指示开启触发SCG连接重建或恢复的功能,且定时器没有运行时,终端设备启动定时器。
也就是说,当需要进一步判断第一指示信息时,如果第一指示信息指示不开启触发SCG连接重建或恢复的功能,即使前述定时器启动条件满足,终端设备也可以不启动定时器。
在另一种可能的实现方式中,当终端设备处于双连接状态下,且SCG连接失败时,通过第一小区恢复或者重建SCG连接,包括:
当终端设备处于双连接状态下,且SCG连接失败后,恢复或者重建SCG连接的失败次数小于或等于第二次数阈值时,选择第一小区恢复或者重建SCG连接。
在本申请实施例中,终端设备通过第一小区恢复或者重建辅小区组SCG连接的过程可以有如下实现方式中的至少一种:
实现方式一:当终端设备发生SCG连接失败时,开启或者重启一个定时器T1,在定时器T1超时前,如果终端设备能够找到一个满足第一条件的第一小区,则终端设备可以尝试通过第一小区重新建立或者恢复SCG连接。
一种实现方式下,在定时器T1运行期间,终端设备默认尝试一次SCG连接恢复或SCG重建立过程,定时器T1运行期间尝试的一次SCG连接恢复或SCG重建立过程失败意味着SCG连接失败,即:不允许第二次尝试恢复或重建立SCG连接;或者,在另一种实现方式下,在定时器T1运行期间,终端设备默认可以尝试任意次数的SCG连接恢复或SCG重建立过程(每一次选择的小区都需要满足第一条件),直到通过一个SCG小区成功重新建立或者恢复SCG连接为止,或者直到定时器T1超时为止。
实现方式二:当终端设备发生SCG连接失败时,开启或者重启一个定时器T1,在定时器T1超时前,如果终端设备能够找到一个满足第一条件的第一小区,则终端设备可以尝试通过第一小区重新建立或者恢复SCG连接,同时在定时器T1运行期间,终端设备可以尝试M次SCG连接恢复或SCG重建立过程(每一次选择的小区都需要满足第一条件),直到通过一个SCG小区成功重新建立或者恢复SCG连接为止,或者,直到尝试了M次SCG连接恢复或SCG重建立过程为止,或者直到定时器T1超时为止。
实现方式三:当终端设备发生SCG连接失败后,不限时间,如果终端设备能够找到一个满足第一条件的第一小区,则终端设备可以尝试通过第一小区重新建立或者恢复SCG连接,且终端设备最多可以尝试M次SCG连接恢复或SCG重建立过程(每一次选择的小区都需要满足第一条件),直到通过一个SCG小区成功重新建立或者恢复SCG连接为止,或者直到尝试了M次SCG连接恢复或SCG重建立过程为止。
可选地,定时器T1开启或重启条件可以包括:每次终端设备成功接收到包含至少一个条件添加(Conditional PSCell Addition,CPA)或者条件修改(Conditional PSCell Change,CPC)的目标PSCell小区的配置信息的重配消息后发生的第一个SCG连接失败时,开启或者重启定时器T1;或者,每次终端设备成功接收到包含PSCell小区添加或者PSCell小区修改的重配消息后发生的第一个SCG连接失败时,开启或者重启定时器T1;或者,每次终端设备成功接收到重配消息后发生的第一个SCG连接失败时,开启或者重启定时器T1;或者,在终端设备每次成功接入到一个SCG小区后的首次SCG连接失败时,开启或者重启定时器T1;或者,每当终端设备发生SCG连接失败且定时器没有运行时,开启或者重启定时器T1;或者,每当终端设备发生SCG连接失败且终端设备存储有至少一个SCG小区的配置信息且定时器没有运行时,开启或者重启定时器T1。
其中,定时器T1或参数M可以通过如下任意一种方式配置:
默认方式(比如协议规定)、***广播消息方式(比如,由网络侧通过***广播消息配置给终端设备)或专用信令方式(比如,由网络侧通过RRC信令配置给终端设备)。
在一种可能的实现方式中,目标配置信息包括以下信息中的至少一种:
条件添加CPA的目标主辅小区PSCell的配置信息;
条件修改CPC的目标PSCell小区的配置信息;
条件添加CPA的目标PSCell小区关联的条件切换触发条件配置信息;
以及,条件修改CPC的目标PSCell小区关联的条件切换触发条件配置信息。
在本申请实施例中,SCG连接快速恢复或重建立的前提条件可以包括:终端设备在发生SCG连接失败时已经存储有至少一个CPA或者CPC的目标PSCell小区的配置信息以及对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息。
也就是说,如果没有上述前提条件,终端设备在发生SCG连接失败时,可以生成SCG失败报告并将SCG失败报告上报MCG。
示例性地,目标PSCell小区的配置信息可以包括如下至少一项:
终端在目标PSCell小区应该使用的物理层配置、终端在目标PSCell小区应该使用的MAC层配置、终端在目标PSCell小区应该使用的RLC层配置、终端在目标PSCell小区应该使用的DRB相关的配置、小区支持的频带和带宽相关配置以及随机接入配置。
示例性地,目标PSCell小区关联的条件切换触发条件配置信息对应的条件切换事件类型可以包括如下 任意一种:
条件A3事件:目标切换小区测量结果比终端设备当前PCell/PSCell小区测量结果高一个第一阈值;
条件A***:目标切换小区测量结果高于一个第二阈值;
条件A5事件:终端设备当前PCell/PSCell小区测量结果低于一个第三阈值以及目标切换小区测量结果高于一个第四阈值;
条件D1事件:终端设备与位置参考点1之间的距离大于一个第五阈值并且终端设备与位置参考点2之间的距离小于一个第六阈值;
条件T1事件:终端设备本地时间超过配置的时刻1但是不超过配置的时刻2。
其中第一阈值、第二阈值、第三阈值、第四阈值、第五阈值、第六阈值、时刻1以及时刻2可以由网络侧通过***广播消息或者专用信令配置给终端设备。
可选的,时刻2的配置格式可能有两种:
第一种,以UTC时间直接给出,比如年月日时分秒形式:2021.11.25 17:43:05;
第二种,通过时刻1间接给出,时刻2=时刻1+固定时长,比如:时刻2为时刻1之后20秒对应的时刻,本申请对时刻2的配置格式不做限定。
在本申请实施例中,如果一个条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息中包括至少两个触发事件配置信息,则对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件满足的含义可以是指:
至少两个触发事件配置信息对应的事件都触发才认为对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件满足;或者,
至少两个触发事件配置信息对应的事件中至少有一个事件触发就认为对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件满足。
其中,本申请实施例对于条件切换触发条件满足的含义不做限定。
在一种可能的实现方式中,上述第一条件包括:小区选择条件、第一测量事件以及条件切换触发条件配置信息中的切换条件中的至少一种。
示例性地,上述条件切换触发条件配置信息为终端设备存储的对应条件添加或者条件修改的目标PSCell小区配置关联的条件切换触发条件配置。
在一种可能的实现方式中,第一测量事件包括以下事件中的至少一种:
第一小区的测量结果大于或等于第一测量结果阈值;
第一小区的测量结果大于主小区的测量结果,且第一小区的测量结果与主小区的测量结果的差值大于或等于一个偏移量;
第一小区的测量结果大于或等于第二测量结果阈值,且主小区的测量结果小于或等于第三测量结果阈值;
终端设备与第一小区的距离小于或等于第一距离阈值;
终端设备与第一小区的距离小于或等于第二距离阈值,且终端设备与主小区的距离大于或等于第三距离阈值。
其中,上述第一测量事件可以通过如下至少一种方式配置:
预先设置方式(例如协议规定默认取值)、***广播消息方式或专用信令方式。
在本申请实施例中,上述满足第一条件的含义可以包括如下任意一种:
满足终端设备存储有选择小区的条件PSCell小区添加配置信息或者存储有选择小区的条件PSCell小区修改配置信息且满足小区选择条件;
满足终端设备存储有选择小区的条件PSCell小区添加配置信息或者存储有选择小区的条件PSCell小区修改配置信息且,同时满足对应选择的条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息中的切换条件;
满足终端设备存储有选择小区的条件PSCell小区添加配置信息或者存储有选择小区的条件PSCell小区修改配置信息,且同时满足第一测量事件。
在本申请实施例的一个示例性的方案中,所述第一测量事件可以包括如下事件中的任意一种:
事件1:小区的测量结果大于或等于第七阈值;
事件2:小区的测量结果比PCell的测量结果高一个偏移量;
事件3:小区的测量结果高于或等于第八阈值,但PCell的测量结果低于或等于第九阈值;
事件4:终端设备与小区的距离小于或等于第十阈值;
事件5:终端设备与小区的距离小于或等于第十阈值且终端设备与PCell的距离大于或等于第十一阈值;
事件6:事件4或事件5与事件1~3的任意组合事件。
示例性地,组合事件的满足条件为至少一个单个事件(上述事件1~事件5都可以称作单个事件)满足则就认为组合事件满足;或者,在组合事件中包含的全部单个事件都满足时,则认为组合事件满足,本申请对此不做限定。
步骤402,可选地,当终端设备处于双连接状态下,且辅小区组SCG连接失败时,生成SCG连接失败报告信息。
可选的,小区选择条件的含义可以如下:
当满足以下条件时,满足小区选择准则:
S rxlev>0,并且,S qual>0;
S rxlev=Q rxlevmeas–(Q rxlevmin+Q rxlevminoffset)–P compensation–Q offsettemp
S qual=Q qualmeas–(Q qualmin+Q qualminoffset)–Q offsettemp
其中,上述各个符号的含义可以如下述所示:
S rxlev:小区选择接收电平值;
S qual:小区选择质量值;
Q offsettemp:临时应用于单元格的偏移量;
Q rxlevmeas:测得的小区接收电平值;也可以是参考信号接收功率(Reference Signal Receiving Power,RSRP);
Q qualmeas:测得的小区选择质量值;也可以是参考信号接收质量(Reference Signal Receiving Quality,RSRQ);
Q rxlevmin:小区中所需的最低接收电平。如果UE支持该小区的补充上行(Supplementary UpLink,SUL)频率,则在SIB1、SIB2和SIB4的q-R xLevMinSUL(如果存在)中获得Q rxlevmin,此外,如果相关小区的Q rxlevminoffsetcellSUL在SIB3和SIB4中存在,则将该小区特定偏移量添加到相应的Q rxlevmin中,以实现相关小区中所需的最小接收电平。否则,从SIB1、SIB2和SIB4中的q-R xLevMin中获得Q rxlevmin;此外,如果相关小区的SIB3和SIB4中存在Q RXLEVMINOVSETCELL,则该小区特定偏移量将添加到相应的Q rxlevmin中,以实现相关小区中所需的最小接收电平。
Q qualmin:小区所需的最低质量水平。此外,如果向相关小区发送Q qualminoffsetcell信号,则添加该小区特定的偏移量,以在相关小区中达到所需的最低质量水平。
Q rxlevminoffset:S rxlev评估中考虑的信号Q rxlevmin的偏移量,作为在访问的公共陆地移动网络(Visited Public Land Mobile Network,VPLMN)中正常驻留时定期搜索更高优先级PLMN的结果。
Q qualminoffset:Q qual评估中考虑的信号Q qualmin的偏移量,作为在访问的公共陆地移动网络(Visited Public Land Mobile Network,VPLMN)中正常驻留时定期搜索更高优先级PLMN的结果。
P compensation:对于FR1,如果UE支持NR NS P maxList中的附加P max,则支持SIB1、SIB2和SIB4中的附加P max(如果存在):
max(P EMAX1–P PowerClass,0)–(min(P EMAX2,P PowerClass)–min(P EMAX1,P PowerClass));
否则,max(P EMAX1–P PowerClass,0)。
P EMAX1,P EMAX2:当P EMAX的小区上行链路上传输时,UE可使用的最大发送功率电平。如果UE支持当前小区的SUL频率,则P EMAX1和P EMAX2分别从SIB1中SUL的p-Max和SIB1、SIB2和SIB4中SUL的NR NS P maxList中获得;否则,P EMAX1和P EMAX2分别从SIB1、SIB2和SIB4中的p-Max和NR NS PmaxList中获取,以用于正常上行传输。
P PowerClass:根据UE功率等级确定的,UE的最大射频输出功率。
其中,信号值Q rxlevminoffset和Q qalminoffset仅在以下情况下应用:当在VPLMN中正常驻留时,由于周期性搜索更高优先级的PLMN而对小区选择进行评估。在对更高优先级PLMN的该周期性搜索期间,UE可以使用从该更高优先级PLMN的不同小区存储的参数值来检查小区的选择准则。
步骤403,可选地,根据SCG连接恢复或者重建的结果,对SCG连接失败报告信息进行处理。
在一种可能的实现方式中,根据SCG连接恢复或者重建的结果,对SCG连接失败报告信息进行处理,包括:
当定时器超时时,终端设备向主小区组MCG上报SCG连接失败报告报告信息;
当终端设备在定时器的运行期间再次发生一次SCG连接失败时,终端设备向MCG上报SCG连接失败报告信息;
当终端设备在定时器的运行期间再次发生SCG连接失败的次数达到第三次数阈值时,终端设备向MCG上报SCG连接失败报告信息;
当定时器停止时,终端设备向MCG上报SCG连接失败报告信息;
当成功通过选择的第一小区重建或者恢复SCG连接时,终端设备删除之前存储的SCG连接失败报告信息;
当成功通过选择的第一小区重建或者恢复SCG连接时,终端设备向成功接入的第一小区上报SCG连接失败报告信息;
当成功通过选择的第一小区重建或者恢复SCG连接时,终端设备向MCG上报SCG连接失败报告信息;
或者,当再次发生SCG连接失败的次数达到第四次数阈值时,终端设备向MCG上报SCG连接失败报告信息。
也就是说,在本申请实施例中,当终端设备处于双连接状态下,且SCG连接失败时,可以生成SCG连接失败报告信息,并且,终端设备在通过第一小区执行SCG连接恢复或者重建过程的情况下,还可以根据SCG连接恢复或者重建的结果,对SCG连接失败报告信息进行上报。
可选地,当终端设备发生SCG连接失败时,还包括记录发生SCG失败时的SCG失败报告信息,SCG失败报告信息的处理行为可能为如下任意一种:
定时器T1超时时,触发终端设备向MCG上报SCG失败报告信息;
定时器T1运行期间再次发生一次SCG失败,触发终端设备向MCG上报SCG失败报告信息;
定时器T1运行期间再次发生SCG失败达到最大次数M,触发终端设备向MCG上报SCG失败报告信息;
定时器T1停止时,触发终端设备向MCG上报SCG失败报告信息;
如果终端设备成功通过选择的第一小区重新建立或者恢复SCG连接,则删除已经存储的SCG失败报告信息;
如果终端设备成功通过选择的第一小区重新建立或者恢复SCG连接,则终端设备向成功接入的第一小区上报之前存储的SCG失败报告信息;
如果终端设备成功通过选择的第一小区重新建立或者恢复SCG连接,则终端设备向MCG上报之前存储的SCG失败报告信息;
如果终端设备再次发生SCG连接失败的次数达到M次,则终端设备向MCG上报SCG连接失败报告信息。
在一种可能的实现方式中,定时器超时的原因包括:
在定时器的运行期间未选择到满足第一条件的第一小区;
或者,在定时器的运行期间选择到满足第一条件的第一小区,且在定时器的运行期间未成功接入满足第一条件的第一小区。
可选地,定时器T1超时时,终端设备的行为还可以包括:删除存储的全部至少一个条件添加或者条件修改的目标PSCell小区的配置信息以及对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;或者,删除存储的与条件切换相关的全部配置信息,其中,条件切换包括条件PCell改变(也可称作Conditional Handover,CHO)、CPC或者CPA中的任意一种。
可选地,上述删除的信息可以是与SCG相关的配置信息。
在一种可能的实现方式中,定时器T1超时时,终端设备可以删除已经存储的,与SCG相关的至少一个条件添加或者条件修改的目标PSCell小区的配置信息,以及,删除与SCG相关的,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息。
或者,定时器T1超时时,终端设备可以删除已经存储的,与SCG相关的,对应条件PSCell添加或者条件PSCell修改的全部配置信息。
在一种可能的实现方式中,定时器停止的原因包括:
在定时器的运行期间选择到满足第一条件的小区,且在定时器超时前成功与第一小区完成随机接入过程或者成功与第一小区完成上行同步;
在定时器的运行期间选择到满足第一条件的小区,且在定时器超时前成功向MCG或者第一小区发送重配完成消息;
在定时器的运行期间再次发生一次SCG连接失败;
在定时器的运行期间发生SCG连接失败的次数达到第五次数阈值;
在定时器的运行期间删除了存储的条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;
在定时器的运行期间,存储的条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息失效;
在定时器的运行期间,接收到网络设备发送的改变MCG的同步重配消息;
在定时器的运行期间,触发MCG无线链路失败;
在定时器的运行期间,接收到网络设备发送的及时切换配置消息;及时切换配置消息用于控制终端设备立即触发与目标PCell或者目标PSCell的接入过程。
在本申请实施例所示的方案中,定时器T1停止的触发条件可能包括如下任意一种:
终端设备在定时器T1运行期间找到了满足预设条件1的第一小区且在定时器T1超时前成功与第一小区完成随机接入过程或者成功与第一小区完成上行同步;
终端设备在定时器T1运行期间找到了满足预设条件1的第一小区且在定时器T1超时前成功向MCG或者第一小区发送重配完成消息;
终端设备在定时器T1运行期间再次发生一次SCG失败;
终端设备在定时器T1运行期间再次发生SCG失败达到最大次数M;
终端设备在定时器T1运行期间删除了存储的全部至少一个条件添加或者条件修改的目标PSCell小区的配置信息以及对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;
终端设备在定时器T1运行期间判定存储的全部至少一个条件添加或者条件修改的目标PSCell小区的配置信息以及对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息均已失效;
终端设备在定时器T1运行期间收到网络设备发送的改变MCG的同步重配消息;
终端设备在定时器T1运行期间触发MCG无线链路失败;
终端设备在定时器T1运行期间收到网络设备发送的及时切换配置消息;
上述及时切换配置消息是相对条件切换配置消息而言的,终端设备成功接收网络设备发送的及时切换配置消息后会立即触发与目标PCell或者目标PSCell的接入过程。
在一种可能的实现方式中,SCG连接失败报告信息中的SCG连接失败原因包括:
发生连续SCG连接失败、条件SCG切换失败、或者未选择到满足第一条件的小区发起SCG连接重建或恢复过程。
在本申请实施例中,SCG发生连接失败的原因可以包括:发生连续SCG失败、条件SCG切换失败或者找不到任何满足条件的SCG小区发起SCG连接重建立或恢复过程。
可选的,SCG发生连接失败的原因还可能包括如下任意一种:
SCG侧判定同步异常的T310定时器超时、SCG侧随机接入过程发生失败(如:随机接入尝试达到规定的最大次数)、SCG侧无线链路控制(Radio Link Control,RLC)重传达到规定的最大次数、SCG重配置过程失败、SCG同步重配置过程失败、SCG侧SRB3完整性保护检验失败、SCG侧LBT(Listen Before Talk,先听后说)过程失败、SCG波束失败恢复过程失败、SCG侧用于快速判定连接失败的T312定时器超时、SCG侧回传链路失败。
在一种可能的实现方式中,SCG连接失败报告信息包括:发生SCG连接失败的小区的标识信息或者逻辑标识信息。
其中,发生SCG失败的小区的标识信息通过小区全球标识(Cell Global Identifier,CGI)标识、通过频点+物理小区标识(Physical Cell Identifier,PCI)表示或者通过服务小区标识(servCellIndex)标识。
发生SCG失败的小区的逻辑标识信息是条件切换配置过程为每一个条件添加或者条件修改的目标PSCell小区关联的一个逻辑标识,示例性通过表1说明逻辑标识含义:
表1
Figure PCTCN2022070381-appb-000001
如表1所示,一个逻辑标识信息与一个条件切换目标PSCell配置以及该目标PSCell条件切换触发条件配置关联,逻辑标识信息的主要功能就是用于识别一个CHO(Conditional HO)、CPC或CPA对应的配置。示例性的,逻辑标识对应标准CondReconfigId参数。
在一种可能的实现方式中,当SCG连接失败的次数为至少两次时,
根据SCG连接恢复或者重建的结果,对SCG连接失败报告信息进行处理,包括:
上报最近一次SCG连接失败的SCG连接失败报告信息;
或者,上报至少两次SCG连接失败的SCG连接失败报告信息。
在一种可能的实现方式中,在上报最近一次SCG连接失败的SCG连接失败报告信息的情况下,
SCG连接失败报告信息中包含最近一次SCG连接失败的SCG小区的标识信息或者逻辑标识信息;
或者,SCG连接失败报告信息中包含至少两次SCG连接失败的SCG小区的标识信息或者逻辑标识信息。
在本申请实施例所示的方案中,如果终端设备在向网络设备上报SCG报告前,发生了多次SCG失败事件(示例性地,多次SCG失败只包括发生在定时器T1运行期间的SCG失败;或者,多次SCG失败包括发生在定时器T1运行期间的SCG失败以及触发定时器T1开启的SCG失败),则终端设备上报SCG报告行为方式为如下任意一种:
行为方式1:上报最近发生的SCG失败记录,后记录的SCG失败报告总是覆盖之前记录的SCG失败报告,即:终端设备只上报最新记录的SCG失败报告。
行为方式1下SCG失败报告内容包括:标准现有记录内容+前述增强部分(即发生SCG连接失败的小区的标识信息或者逻辑标识信息;和/或SCG发生连接失败的原因信息;其中,发生SCG失败的小区的标识信息或者逻辑标识信息为最近发生SCG失败小区的标识信息或者逻辑标识信息)。
行为方式2:对每一次SCG失败单独记录,通过SCG失败报告列表形式一起上报,SCG失败报告列表中包含的每一个SCG失败报告都包括完整的SCG失败报告内容。
行为方式2下SCG失败报告内容:标准现有记录内容+前述增强部分(即发生SCG连接失败的小区的标识信息或者逻辑标识信息;和/或SCG发生连接失败的原因信息,其中,发生SCG失败的小区的标识信息或者逻辑标识信息为各自实际发生SCG失败小区的标识信息或者逻辑标识信息)。
行为方式2说明:如果通信***规定了SCG失败报告列表中可以记录的SCG失败报告的最大个数,则采用循环覆盖模式进行记录,例如:通信***规定了SCG失败报告列表中可以记录的SCG失败报告的最大个数3,则发生第四次SCG失败时,覆盖第一次SCG失败的SCG失败报告内容,则发生第五次SCG失败时,覆盖第二次SCG失败的SCG失败报告内容,依次类推进行循环覆盖记录,也就是终端设备实际上报的SCG失败报告个数不会超过通信***规定的SCG失败报告列表中可以记录的SCG失败报告的最大个数。
其中,通信***规定的SCG失败报告列表中可以记录的SCG失败报告的最大个数参数通过如下任意一种方式配置:
默认方式(比如协议规定)、***广播消息方式或专用信令方式。
行为方式3:上报最近发生的SCG失败记录,后记录的SCG失败报告覆盖之前记录的SCG失败报告。
行为方式3下SCG失败报告内容:标准现有记录内容+前述增强部分(即发生SCG连接失败的小区的标识信息或者逻辑标识信息;和/或SCG发生连接失败的原因信息,其中,发生SCG失败的小区的标识信息或者逻辑标识信息包括之前多次发生SCG失败小区的标识信息或者逻辑标识信息)。
在行为方式3中,如果通信***规定了SCG失败报告中可以记录的SCG失败小区标识信息或者逻辑标识信息的最大个数,则采用循环覆盖模式进行记录,例如:通信***规定了SCG失败报告中可以记录的SCG失败小区标识信息或者逻辑标识信息的最大个数3,则发生第四次SCG失败时,终端设备只会记录最近三次发生SCG失败小区的标识信息或者逻辑标识信息,依次类推进行循环覆盖记录,也就是终端设备实际上报的SCG失败报告中记录的SCG失败小区的标识信息或者逻辑标识信息的个数不会超过通信***规定了SCG失败报告中可以记录的SCG失败小区标识信息或者逻辑标识信息的最大个数。
其中,通信***规定的SCG失败报告中可以记录的SCG失败小区标识信息或者逻辑标识信息的最大个数参数通过如下任意一种方式配置:
默认方式、***广播消息方式或专用信令方式。
步骤404,可选地,当成功通过选择的第一小区重建或者恢复SCG连接时,向MCG或者建立连接的SCG上报指定SCG小区的标识信息或者逻辑标识信息;相应的,网络侧设备接收该指定SCG小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,指定SCG小区的标识信息或者逻辑标识信息,包括:
接入成功的SCG小区的标识信息或者逻辑标识信息;
成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息;
或者,接入成功的SCG小区的标识信息或者逻辑标识信息,以及,成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息。
在本申请实施例所示的方案中,终端设备成功通过选择的第一小区重新建立或者恢复SCG连接后, 终端设备行为还包括:通过专用信令向MCG或者建立连接的SCG上报预设SCG小区的标识信息或者逻辑标识信息。
示例性地,上述专用信令为重配完成消息或者为终端设备辅助信息上报消息。
预设SCG小区的标识信息或者逻辑标识信息含义为如下任意一种:
包括终端设备接入成功的SCG小区的标识信息或者逻辑标识信息;
包括终端设备成功接入SCG小区前发生SCG失败的至少一下SCG小区的标识信息或者逻辑标识信息;
同时包括终端设备接入成功的SCG小区的标识信息或者逻辑标识信息以及包括终端设备成功接入SCG小区前发生SCG失败的至少一下SCG小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,网络侧设备可以向终端设备发送第一指示信息;相应的,终端设备可以接收网络设备发送的第一指示信息,第一指示信息用于指示终端设备是否开启触发SCG连接重建或恢复的功能。
可选地,在触发SCG连接快速恢复或重建立行为之前,终端设备行为还包括,接收网络设备发送的第一配置消息,第一配置消息可以包括第一指示信息,上述第一指示信息用于指示终端设备是否可以触发SCG连接快速恢复或重建立尝试行为。
如果第一指示信息含义为允许终端设备触发SCG连接快速恢复或重建立尝试行为,则终端设备执行上述步骤401至步骤404。
如果第一指示信息含义为不允许终端设备触发SCG连接快速恢复或重建立尝试行为,则终端设备按照现有流程行为执行,即:在发生SCG连接失败时,终端设备生成SCG失败报告并将SCG失败报告上报MCG,且SCG失败报告内容不做任何增强。
其中,第一配置消息为***广播消息或者专用信令消息。
可选的,该专用信令可以是无线资源控制信令、媒质接入控制的控制单元(MAC Control Element,MAC CE)、下行控制信息(Downlink Control Information,DCI)中的任意一种。
在一种可能的实现方式中,终端设备还可以向网络设备发送能力指示信息,相应的,网络侧设备接收该终端设备发送的能力指示信息;该能力指示信息用于指示终端设备是否支持SCG连接重建或恢复的功能。
综上所述,本申请实施例所示的方案,当终端设备处于双连接状态下,且SCG连接失败时,终端设备可以自主从已经存储了对应的目标配置信息的小区中选择满足第一条件的小区恢复SCG连接或者重新建立SCG连接,不需要等待MCG触发重配置过程,减少了不必要的重配置过程,降低了重配置过程带来的额外的时延和信令开销,提高了网络传输的效率,改善用户体验。
请参考图5,其示出了本申请一个实施例提供的连接建立装置的框图。该连接建立装置500可以用于终端设备中。如图5所示,该装置可以包括:
连接模块501,用于当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;
所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
在一种可能的实现方式中,所述目标配置信息包括以下信息中的至少一种:
条件添加CPA的目标主辅小区PSCell的配置信息;
条件修改CPC的目标PSCell小区的配置信息;
条件添加CPA的目标PSCell小区关联的条件切换触发条件配置信息;
以及,条件修改CPC的目标PSCell小区关联的条件切换触发条件配置信息。
在一种可能的实现方式中,所述第一条件包括:小区选择条件、第一测量事件、以及条件切换触发条件配置信息中的切换条件中的至少一种。
示例性地,所述条件切换触发条件配置信息为所述终端设备存储的对应条件添加或者条件修改的目标PSCell小区配置关联的条件切换触发条件配置。。
在一种可能的实现方式中,所述第一测量事件包括以下事件中的至少一种:
所述第一小区的测量结果大于或等于第一测量结果阈值;
所述第一小区的测量结果大于主小区的测量结果,且所述第一小区的测量结果与所述主小区的测量结果的差值大于或等于一个偏移量;
所述第一小区的测量结果大于或等于第二测量结果阈值,且主小区的测量结果小于或等于第三测量结果阈值;
所述终端设备与所述第一小区的距离小于或等于第一距离阈值;
所述终端设备与所述第一小区的距离小于或等于第二距离阈值,且所述终端设备与主小区的距离大于或等于第三距离阈值。
在一种可能的实现方式中,所述第一测量事件通过如下至少一种方式配置:
预先设置方式(例如协议规定默认取值)、***广播消息方式或专用信令方式。
在一种可能的实现方式中,所述连接模块,用于,
当所述终端设备处于双连接状态下,且SCG连接失败时,启动定时器;
在所述定时器超时之前,通过第一小区恢复或者重建SCG连接。
在一种可能的实现方式中,所述连接模块,用于,
在所述定时器超时之前,单次执行选择第一小区恢复或者重建SCG连接的步骤;
或者,在所述定时器超时之前,且在所述定时器运行期间恢复或者重建SCG连接的失败次数小于或等于第一次数阈值,选择第一小区恢复或者重建SCG连接。
在一种可能的实现方式中,所述连接模块,用于,
在所述终端设备每次成功接收到第一重配消息后的首次SCG连接失败时,启动定时器;所述第一重配消息包含CPA或者CPC的目标PSCell小区的配置信息;
或者,在所述终端设备每次成功接收到第二重配消息后的首次SCG连接失败时,启动定时器;所述第二重配消息包含PSCell小区添加或者PSCell小区修改的配置信息;
或者,在所述终端设备每次成功接收到第三重配消息后的首次SCG连接失败时,启动定时器;
或者,在所述终端设备每次成功接入到一个SCG小区后的首次SCG连接失败时,启动定时器;
或者,每当所述终端设备发生SCG连接失败且所述定时器没有运行时,启动定时器;
或者,每当所述终端设备发生SCG连接失败且所述终端设备存储有至少一个SCG小区的配置信息且所述定时器没有运行时,启动定时器。
在一种可能的实现方式中,所述连接模块,用于当所述终端设备处于双连接状态下,且SCG连接失败后,恢复或者重建SCG连接的失败次数小于或等于第二次数阈值时,选择第一小区恢复或者重建SCG连接。
在一种可能的实现方式中,所述装置还包括:
报告生成模块,用于当所述终端设备处于双连接状态下,且SCG连接失败时,生成SCG连接失败报告信息;
报告处理模块,用于根据SCG连接恢复或者重建的结果,对所述SCG连接失败报告信息进行处理。
在一种可能的实现方式中,所述报告处理模块,用于,
当所述定时器超时时,所述终端设备向主小区组MCG上报所述SCG连接失败报告报告信息;
当所述终端设备在所述定时器的运行期间再次发生一次SCG连接失败,所述终端设备向MCG上报SCG连接失败报告信息;
当所述终端设备在所述定时器的运行期间再次发生SCG连接失败的次数达到第三次数阈值,所述终端设备向MCG上报SCG连接失败报告信息;
当所述定时器停止时,所述终端设备向MCG上报SCG连接失败报告信息;
当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备删除之前存储的SCG连接失败报告信息;
当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备向成功接入的所述第一小区上报SCG连接失败报告信息;
当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备向MCG上报SCG连接失败报告信息;
或者,当再次发生SCG连接失败的次数达到第四次数阈值时,所述终端设备向MCG上报SCG连接失败报告信息。
在一种可能的实现方式中,所述定时器超时的原因包括:
在所述定时器的运行期间未选择到满足所述第一条件的所述第一小区;
或者,在所述定时器的运行期间选择到满足所述第一条件的所述第一小区,且在所述定时器的运行期间未成功接入满足所述第一条件的所述第一小区。
在一种可能的实现方式中,所述装置还包括:删除模块,用于,
当所述定时器超时时,所述终端设备删除已存储的至少一个条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;
或者,当所述定时器超时时,所述终端设备删除已存储的,与条件切换相关的全部配置信息。
在一种可能的实现方式中,所述定时器停止的原因包括:
在所述定时器的运行期间选择到满足所述第一条件的小区,且在所述定时器超时前成功与所述第一小区完成随机接入过程或者成功与所述第一小区完成上行同步;
在所述定时器的运行期间选择到满足所述第一条件的小区,且在所述定时器超时前成功向MCG或者所述第一小区发送重配完成消息;
在所述定时器的运行期间再次发生一次SCG连接失败;
在所述定时器的运行期间发生SCG连接失败的次数达到第五次数阈值;
在所述定时器的运行期间删除了存储的条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;
在所述定时器的运行期间,存储的条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息失效;
在所述定时器的运行期间,接收到网络设备发送的改变MCG的同步重配消息;
在所述定时器的运行期间,触发MCG无线链路失败;
在所述定时器的运行期间,接收到网络设备发送的及时切换配置消息;所述及时切换配置消息用于控制所述终端设备立即触发与目标PCell或者目标PSCell的接入过程。
在一种可能的实现方式中,所述SCG连接失败报告信息中的SCG连接失败原因包括:
发生连续SCG连接失败、条件SCG切换失败、或者未选择到满足所述第一条件的小区发起SCG连接重建或恢复过程。
在一种可能的实现方式中,所述SCG连接失败报告信息包括:发生SCG连接失败的小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,当SCG连接失败的次数为至少两次时,
所述报告处理模块,用于,
上报最近一次SCG连接失败的SCG连接失败报告信息;
或者,上报至少两次SCG连接失败的SCG连接失败报告信息。
在一种可能的实现方式中,在上报最近一次SCG连接失败的SCG连接失败报告信息的情况下,
所述SCG连接失败报告信息中包含最近一次SCG连接失败的SCG小区的标识信息或者逻辑标识信息;
或者,所述SCG连接失败报告信息中包含至少两次SCG连接失败的SCG小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,所述装置还包括:
标识上报模块,用于当成功通过选择的所述第一小区重建或者恢复SCG连接时,向MCG或者建立连接的SCG上报指定SCG小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,所述指定SCG小区的标识信息或者逻辑标识信息,包括:
接入成功的SCG小区的标识信息或者逻辑标识信息;
成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息;
或者,接入成功的SCG小区的标识信息或者逻辑标识信息,以及,成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,所述装置还包括:
指示接收模块,用于接收网络设备发送的第一指示信息,所述第一指示信息用于指示所述终端设备是否开启触发SCG连接重建或恢复的功能。
在一种可能的实现方式中,所述装置还包括:
指示发送模块,用于向网络设备发送能力指示信息,所述能力指示信息用于指示所述终端设备是否支持SCG连接重建或恢复的功能。
综上所述,本申请实施例所示的方案,当终端设备处于双连接状态下,且SCG连接失败时,终端设备可以自动从已经存储了对应的目标配置信息的小区中选择满足第一条件的小区恢复SCG连接或者重新建立SCG连接,不需要等待MCG触发重配置过程,减少了不必要的重配置过程,降低了重配置过程带来的额外的时延和信令开销,提高了网络传输的效率,改善用户体验。
请参考图6,其示出了本申请一个实施例提供的信息接收装置的框图。该信息接收装置600可以用于网络侧设备中。如图6所示,该装置可以包括:
接收模块601,用于接收SCG连接失败报告信息;所述SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;
其中,所述SCG连接恢复或者重建过程是通过第一小区执行的,所述第一小区是所述终端设备中已 经存储有对应的目标配置信息,且满足第一条件的小区。
在一种可能的实现方式中,所述SCG连接失败报告信息包括:SCG连接失败原因。
所述SCG连接失败报告信息中的SCG连接失败原因包括:
发生连续SCG连接失败、条件SCG切换失败、或者未选择到满足所述第一条件的小区发起SCG连接重建或恢复过程。
在一种可能的实现方式中,所述SCG连接失败报告信息包括:发生SCG连接失败的小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,所述SCG连接失败报告信息包括最近一次SCG连接失败的SCG连接失败报告信息;
或者,所述SCG连接失败报告信息包括至少两次SCG连接失败的SCG连接失败报告信息。
在一种可能的实现方式中,在所述SCG连接失败报告信息包括最近一次SCG连接失败的SCG连接失败报告信息的情况下,
所述SCG连接失败报告信息中包含最近一次SCG连接失败的SCG小区的标识信息或者逻辑标识信息;
或者,所述SCG连接失败报告信息中包含至少两次SCG连接失败的SCG小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,所述接收模块601,还用于接收所述终端设备在成功通过选择的所述第一小区重建或者恢复SCG连接时向MCG或者建立连接的SCG上报的,指定SCG小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,所述指定SCG小区的标识信息或者逻辑标识信息,包括:
接入成功的SCG小区的标识信息或者逻辑标识信息;
成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息;
或者,接入成功的SCG小区的标识信息或者逻辑标识信息,以及,成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息。
在一种可能的实现方式中,所述装置还包括:
发送模块,用于向所述终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备是否开启触发SCG连接重建或恢复的功能。
在一种可能的实现方式中,所述接收模块601,还用于接收所述终端设备发送的能力指示信息,所述能力指示信息用于指示所述终端设备是否支持SCG连接重建或恢复的功能。
综上所述,本申请实施例所示的方案,当终端设备处于双连接状态下,且SCG连接失败时,终端设备可以自主从已经存储了对应的目标配置信息的小区中选择满足第一条件的小区恢复SCG连接或者重新建立SCG连接,并根据SCG连接恢复或重建的情况,上报SCG连接失败报告信息;在上述过程中,终端设备不需要等待MCG触发重配置过程,网络侧设备也能够获知终端设备侧的SCG连接恢复或重建的情况,减少了不必要的重配置过程,降低了重配置过程带来的额外的时延和信令开销,提高了网络传输的效率,改善用户体验。
需要说明的一点是,上述实施例提供的装置在实现其功能时,仅以上述各个功能模块的划分进行举例说明,实际应用中,可以根据实际需要而将上述功能分配由不同的功能模块完成,即将设备的内容结构划分成不同的功能模块,以完成以上描述的全部或者部分功能。
关于上述实施例中的装置,其中各个模块执行操作的具体方式已经在有关该方法的实施例中进行了详细描述,此处将不做详细阐述说明。
请参考图7,其示出了本申请一个实施例提供的计算机设备700的结构示意图。该计算机设备700可以包括:处理器701、接收器702、发射器703、存储器704和总线707。
处理器701包括一个或者一个以上处理核心,处理器701通过运行软件程序以及模块,从而执行各种功能应用以及信息处理。
接收器702和发射器703可以实现为一个通信组件,该通信组件可以是一块通信芯片。该通信芯片也可以称为收发器。
存储器704通过总线707与处理器701相连。
存储器704可用于存储计算机程序,处理器701用于执行该计算机程序,以实现上述方法实施例中的终端设备执行的各个步骤。
此外,存储器704可以由任何类型的易失性或非易失性存储设备或者它们的组合实现,易失性或非易 失性存储设备包括但不限于:磁盘或光盘,电可擦除可编程只读存储器,可擦除可编程只读存储器,静态随时存取存储器,只读存储器,磁存储器,快闪存储器,可编程只读存储器。
上述计算机设备可以实现为上述各个方法实施例中的终端设备。
在示例性实施例中,所述计算机设备包括处理器、存储器和收发器(该收发器可以包括接收器和发射器,接收器用于接收信息,发射器用于发送信息);
当上述计算机设备实现为上述各个方法实施例中的终端设备时,
所述收发器,用于当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;
所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
当上述计算机设备实现为上述各个方法实施例中的终端设备时,收发器和/或处理器执行的过程可以参考上述图2或图4所示的方案中,由终端设备执行的步骤,此处不再赘述。
当上述计算机设备实现为上述各个方法实施例中的网络侧设备时,
所述收发器,用于接收SCG连接失败报告信息;所述SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;
其中,所述SCG连接恢复或者重建过程是通过第一小区执行的,所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
当上述计算机设备实现为上述各个方法实施例中的网络侧设备时,收发器和/或处理器执行的过程可以参考上述图3或图4所示的方案中,由网络侧设备执行的步骤,此处不再赘述。
本申请实施例还提供了一种计算机可读存储介质,所述存储介质中存储有计算机程序,所述计算机程序由处理器加载并执行以实现上述图2或图4所示的方法中,由终端设备执行的各个步骤;或者,所述计算机程序由处理器加载并执行以实现上述图3或图4所示的方法中,由网络侧设备执行的各个步骤。
本申请还提供了一种计算机程序产品或计算机程序,该计算机程序产品或计算机程序包括计算机指令,该计算机指令存储在计算机可读存储介质中。计算机设备的处理器从计算机可读存储介质读取该计算机指令,处理器执行该计算机指令,使得该计算机设备执行上述图2或图4所示的方法中,由终端设备执行的各个步骤;或者,处理器执行该计算机指令,使得计算机设备执行以实现上述图3或图4所示的方法中,由网络侧设备执行的各个步骤。
本申请还提供了一种计算机程序,该计算机程序包括计算机指令,该计算机指令存储在计算机可读存储介质中。计算机设备的处理器从计算机可读存储介质读取该计算机指令,处理器执行该计算机指令,使得该计算机设备执行上述图2或图4所示的方法中,由终端设备执行的各个步骤;或者,处理器执行该计算机指令,使得计算机设备执行以实现上述图3或图4所示的方法中,由网络侧设备执行的各个步骤。
本申请还提供了一种芯片,该芯片用于终端设备中,该芯片可以执行上述图2或图4所示的方法中,由终端设备执行的各个步骤;或者,该芯片可以执行上述图3或图4所示的方法中,由网络侧设备执行的各个步骤。
本领域技术人员应该可以意识到,在上述一个或多个示例中,本申请实施例所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时,可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质,其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的任何可用介质。
以上所述仅为本申请的示例性实施例,并不用以限制本申请,凡在本申请的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本申请的保护范围之内。

Claims (66)

  1. 一种连接建立方法,其特征在于,所述方法由终端设备执行,所述方法包括:
    当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;
    所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
  2. 根据权利要求1所述的方法,其特征在于,所述目标配置信息包括以下信息中的至少一种:
    条件添加CPA的目标主辅小区PSCell的配置信息;
    条件修改CPC的目标PSCell小区的配置信息;
    条件添加CPA的目标PSCell小区关联的条件切换触发条件配置信息;
    以及,条件修改CPC的目标PSCell小区关联的条件切换触发条件配置信息。
  3. 根据权利要求1或2所述的方法,其特征在于,所述第一条件包括:小区选择条件、第一测量事件、以及条件切换触发条件配置信息中的切换条件中的至少一种。
  4. 根据权利要求3所述的方法,其特征在于,所述第一测量事件包括以下事件中的至少一种:
    所述第一小区的测量结果大于或等于第一测量结果阈值;
    所述第一小区的测量结果大于主小区的测量结果,且所述第一小区的测量结果与所述主小区的测量结果的差值大于或等于一个偏移量;
    所述第一小区的测量结果大于或等于第二测量结果阈值,且主小区的测量结果小于或等于第三测量结果阈值;
    所述终端设备与所述第一小区的距离小于或等于第一距离阈值;
    所述终端设备与所述第一小区的距离小于或等于第二距离阈值,且所述终端设备与主小区的距离大于或等于第三距离阈值。
  5. 根据权利要求3或4所述的方法,其特征在于,所述第一测量事件通过如下至少一种方式配置:
    预先设置方式、***广播消息方式或专用信令方式。
  6. 根据权利要求1至5任一所述的方法,其特征在于,所述当所述终端设备处于双连接状态下,且SCG连接失败时,通过第一小区恢复或者重建SCG连接,包括:
    当所述终端设备处于双连接状态下,且SCG连接失败时,启动定时器;
    在所述定时器超时之前,通过第一小区恢复或者重建SCG连接。
  7. 根据权利要求6所述的方法,其特征在于,所述在所述定时器超时之前,通过第一小区恢复或者重建SCG连接,包括:
    在所述定时器超时之前,单次执行选择第一小区恢复或者重建SCG连接的步骤;
    或者,
    在所述定时器超时之前,且在所述定时器运行期间恢复或者重建SCG连接的失败次数小于或等于第一次数阈值,选择第一小区恢复或者重建SCG连接。
  8. 根据权利要求6所述的方法,其特征在于,所述启动定时器,包括:
    在所述终端设备每次成功接收到第一重配消息后的首次SCG连接失败时,启动定时器;所述第一重配消息包含CPA或者CPC的目标PSCell小区的配置信息;
    或者,在所述终端设备每次成功接收到第二重配消息后的首次SCG连接失败时,启动定时器;所述第二重配消息包含PSCell小区添加或者PSCell小区修改的配置信息;
    或者,在所述终端设备每次成功接收到第三重配消息后的首次SCG连接失败时,启动定时器;
    或者,在所述终端设备每次成功接入到一个SCG小区后的首次SCG连接失败时,启动定时器;
    或者,每当所述终端设备发生SCG连接失败且所述定时器没有运行时,启动定时器;
    或者,每当所述终端设备发生SCG连接失败且所述终端设备存储有至少一个SCG小区的配置信息且所述定时器没有运行时,启动定时器。
  9. 根据权利要求1至5任一所述的方法,其特征在于,所述当所述终端设备处于双连接状态下,且SCG连接失败时,通过第一小区恢复或者重建SCG连接,包括:
    当所述终端设备处于双连接状态下,且SCG连接失败后,恢复或者重建SCG连接的失败次数小于或者等于第二次数阈值时,选择第一小区恢复或者重建SCG连接。
  10. 根据权利要求1至9任一所述的方法,其特征在于,所述方法还包括:
    当所述终端设备处于双连接状态下,且SCG连接失败时,生成SCG连接失败报告信息;
    根据SCG连接恢复或者重建的结果,对所述SCG连接失败报告信息进行处理。
  11. 根据权利要求10所述的方法,其特征在于,所述根据SCG连接恢复或者重建的结果,对所述SCG连接失败报告信息进行处理,包括:
    当所述定时器超时时,所述终端设备向主小区组MCG上报SCG连接失败报告信息;
    当所述终端设备在所述定时器的运行期间再次发生一次SCG连接失败时,所述终端设备向MCG上报SCG连接失败报告信息;
    当所述终端设备在所述定时器的运行期间再次发生SCG连接失败的次数达到第三次数阈值时,所述终端设备向MCG上报SCG连接失败报告信息;
    当所述定时器停止时,所述终端设备向MCG上报SCG连接失败报告信息;
    当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备删除之前存储的SCG连接失败报告信息;
    当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备向成功接入的所述第一小区上报SCG连接失败报告信息;
    当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备向MCG上报SCG连接失败报告信息;
    或者,当再次发生SCG连接失败的次数达到第四次数阈值时,所述终端设备向MCG上报SCG连接失败报告信息。
  12. 根据权利要求11所述的方法,其特征在于,所述定时器超时的原因包括:
    在所述定时器的运行期间未选择到满足所述第一条件的所述第一小区;
    或者,在所述定时器的运行期间选择到满足所述第一条件的所述第一小区,且在所述定时器的运行期间未成功接入满足所述第一条件的所述第一小区。
  13. 根据权利要求11或12所述的方法,其特征在于,所述方法还包括:
    当所述定时器超时时,所述终端设备删除已存储的至少一个条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;
    或者,当所述定时器超时时,所述终端设备删除已存储的,与条件切换相关的全部配置信息。
  14. 根据权利要求11所述的方法,其特征在于,所述定时器停止的原因包括:
    在所述定时器的运行期间选择到满足所述第一条件的小区,且在所述定时器超时前成功与所述第一小区完成随机接入过程或者成功与所述第一小区完成上行同步;
    在所述定时器的运行期间选择到满足所述第一条件的小区,且在所述定时器超时前成功向MCG或者所述第一小区发送重配完成消息;
    在所述定时器的运行期间再次发生一次SCG连接失败;
    在所述定时器的运行期间发生SCG连接失败的次数达到第五次数阈值;
    在所述定时器的运行期间删除了存储的条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;
    在所述定时器的运行期间,存储的条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息失效;
    在所述定时器的运行期间,接收到网络设备发送的改变MCG的同步重配消息;
    在所述定时器的运行期间,触发MCG无线链路失败;
    在所述定时器的运行期间,接收到网络设备发送的及时切换配置消息;所述及时切换配置消息用于控制所述终端设备立即触发与目标PCell或者目标PSCell的接入过程。
  15. 根据权利要求10至14任一所述的方法,其特征在于,所述SCG连接失败报告信息中的SCG连接失败原因包括:
    发生连续SCG连接失败、条件SCG切换失败、或者未选择到满足所述第一条件的小区发起SCG连接重建或恢复过程。
  16. 根据权利要求10至15任一所述的方法,其特征在于,所述SCG连接失败报告信息包括:发生SCG连接失败的小区的标识信息或者逻辑标识信息。
  17. 根据权利要求10至16任一所述的方法,其特征在于,当SCG连接失败的次数为至少两次时,
    所述根据SCG连接恢复或者重建的结果,对所述SCG连接失败报告信息进行处理,包括:
    上报最近一次SCG连接失败的SCG连接失败报告信息;
    或者,上报至少两次SCG连接失败的SCG连接失败报告信息。
  18. 根据权利要求17所述的方法,其特征在于,在上报最近一次SCG连接失败的SCG连接失败报告信息的情况下,
    所述SCG连接失败报告信息中包含最近一次SCG连接失败的SCG小区的标识信息或者逻辑标识信息;
    或者,
    所述SCG连接失败报告信息中包含至少两次SCG连接失败的SCG小区的标识信息或者逻辑标识信息。
  19. 根据权利要求1至18任一所述的方法,其特征在于,所述方法还包括:
    当成功通过选择的所述第一小区重建或者恢复SCG连接时,向MCG或者建立连接的SCG上报指定SCG小区的标识信息或者逻辑标识信息。
  20. 根据权利要求19所述的方法,其特征在于,所述指定SCG小区的标识信息或者逻辑标识信息,包括:
    接入成功的SCG小区的标识信息或者逻辑标识信息;
    成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息;
    或者,接入成功的SCG小区的标识信息或者逻辑标识信息,以及,成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息。
  21. 根据权利要求1至20任一所述的方法,其特征在于,所述方法还包括:
    接收网络设备发送的第一指示信息,所述第一指示信息用于指示所述终端设备是否开启触发SCG连接重建或恢复的功能。
  22. 根据权利要求1至21任一所述的方法,其特征在于,所述方法还包括:
    向网络设备发送能力指示信息,所述能力指示信息用于指示所述终端设备是否支持SCG连接重建或恢复的功能。
  23. 一种信息接收方法,其特征在于,所述方法由网络侧设备执行,所述方法包括:
    接收SCG连接失败报告信息;所述SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;
    其中,所述SCG连接恢复或者重建过程是通过第一小区执行的,所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
  24. 根据权利要求23所述的方法,其特征在于,所述SCG连接失败报告信息包括:发生SCG连接失败的小区的标识信息或者逻辑标识信息。
  25. 根据权利要求23或24所述的方法,其特征在于,
    所述SCG连接失败报告信息包括最近一次SCG连接失败的SCG连接失败报告信息;
    或者,所述SCG连接失败报告信息包括至少两次SCG连接失败的SCG连接失败报告信息。
  26. 根据权利要求25所述的方法,其特征在于,在所述SCG连接失败报告信息包括最近一次SCG连接失败的SCG连接失败报告信息的情况下,
    所述SCG连接失败报告信息中包含最近一次SCG连接失败的SCG小区的标识信息或者逻辑标识信息;
    或者,
    所述SCG连接失败报告信息中包含至少两次SCG连接失败的SCG小区的标识信息或者逻辑标识信息。
  27. 根据权利要求23至26任一所述的方法,其特征在于,所述方法还包括:
    接收所述终端设备在成功通过选择的所述第一小区重建或者恢复SCG连接时向MCG或者建立连接的SCG上报的,指定SCG小区的标识信息或者逻辑标识信息。
  28. 根据权利要求27所述的方法,其特征在于,所述指定SCG小区的标识信息或者逻辑标识信息,包括:
    所述终端设备接入成功的SCG小区的标识信息或者逻辑标识信息;
    所述终端设备成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息;
    或者,所述终端设备接入成功的SCG小区的标识信息或者逻辑标识信息,以及,成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息。
  29. 根据权利要求23至28任一所述的方法,其特征在于,所述方法还包括:
    向所述终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备是否开启触发SCG连接重建或恢复的功能。
  30. 根据权利要求23至29任一所述的方法,其特征在于,所述方法还包括:
    接收所述终端设备发送的能力指示信息,所述能力指示信息用于指示所述终端设备是否支持SCG连接重建或恢复的功能。
  31. 一种连接建立装置,其特征在于,所述装置包括:
    连接模块,用于当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;
    所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
  32. 根据权利要求31所述的装置,其特征在于,所述目标配置信息包括以下信息中的至少一种:
    条件添加CPA的目标主辅小区PSCell的配置信息;
    条件修改CPC的目标PSCell小区的配置信息;
    条件添加CPA的目标PSCell小区关联的条件切换触发条件配置信息;
    以及,条件修改CPC的目标PSCell小区关联的条件切换触发条件配置信息。
  33. 根据权利要求32所述的装置,其特征在于,所述第一条件包括:小区选择条件、第一测量事件、以及条件切换触发条件配置信息中的切换条件中的至少一种。
  34. 根据权利要求33所述的装置,其特征在于,所述第一测量事件包括以下事件中的至少一种:
    所述第一小区的测量结果大于或等于第一测量结果阈值;
    所述第一小区的测量结果大于主小区的测量结果,且所述第一小区的测量结果与所述主小区的测量结果的差值大于或等于一个偏移量;
    所述第一小区的测量结果大于或等于第二测量结果阈值,且主小区的测量结果小于或等于第三测量结果阈值;
    所述终端设备与所述第一小区的距离小于或等于第一距离阈值;
    所述终端设备与所述第一小区的距离小于或等于第二距离阈值,且所述终端设备与主小区的距离大于或等于第三距离阈值。
  35. 根据权利要求33或34所述的装置,其特征在于,所述第一测量事件通过如下至少一种方式配置:
    预先设置方式、***广播消息方式或专用信令方式。
  36. 根据权利要求31至35任一所述的装置,其特征在于,所述连接模块,用于,
    当所述终端设备处于双连接状态下,且SCG连接失败时,启动定时器;
    在所述定时器超时之前,通过第一小区恢复或者重建SCG连接。
  37. 根据权利要求36所述的装置,其特征在于,所述连接模块,用于,
    在所述定时器超时之前,单次执行选择第一小区恢复或者重建SCG连接的步骤;
    或者,
    在所述定时器超时之前,且在所述定时器运行期间恢复或者重建SCG连接的失败次数小于或等于第一次数阈值,选择第一小区恢复或者重建SCG连接。
  38. 根据权利要求36所述的装置,其特征在于,所述连接模块,用于,
    在所述终端设备每次成功接收到第一重配消息后的首次SCG连接失败时,启动定时器;所述第一重配消息包含CPA或者CPC的目标PSCell小区的配置信息;
    或者,在所述终端设备每次成功接收到第二重配消息后的首次SCG连接失败时,启动定时器;所述第二重配消息包含PSCell小区添加或者PSCell小区修改的配置信息;
    或者,在所述终端设备每次成功接收到第三重配消息后的首次SCG连接失败时,启动定时器;
    或者,在所述终端设备每次成功接入到一个SCG小区后的首次SCG连接失败时,启动定时器;
    或者,每当所述终端设备发生SCG连接失败且所述定时器没有运行时,启动定时器;
    或者,每当所述终端设备发生SCG连接失败且所述终端设备存储有至少一个SCG小区的配置信息且所述定时器没有运行时,启动定时器。
  39. 根据权利要求31至35任一所述的装置,其特征在于,
    所述连接模块,用于当所述终端设备处于双连接状态下,且SCG连接失败后,恢复或者重建SCG连接的失败次数小于或等于第二次数阈值时,选择第一小区恢复或者重建SCG连接。
  40. 根据权利要求31至39任一所述的装置,其特征在于,所述装置还包括:
    报告生成模块,用于当所述终端设备处于双连接状态下,且SCG连接失败时,生成SCG连接失败报告信息;
    报告处理模块,用于根据SCG连接恢复或者重建的结果,对所述SCG连接失败报告信息进行处理。
  41. 根据权利要求40所述的装置,其特征在于,所述报告处理模块,用于,
    当所述定时器超时时,所述终端设备向主小区组MCG上报所述SCG连接失败报告报告信息;
    当所述终端设备在所述定时器的运行期间再次发生一次SCG连接失败,所述终端设备向MCG上报SCG连接失败报告信息;
    当所述终端设备在所述定时器的运行期间再次发生SCG连接失败的次数达到第三次数阈值,所述终端设备向MCG上报SCG连接失败报告信息;
    当所述定时器停止时,所述终端设备向MCG上报SCG连接失败报告信息;
    当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备删除之前存储的SCG连接失败报告信息;
    当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备向成功接入的所述第一小区上报SCG连接失败报告信息;
    当成功通过选择的所述第一小区重建或者恢复SCG连接时,所述终端设备向MCG上报SCG连接失败报告信息;
    或者,当再次发生SCG连接失败的次数达到第四次数阈值时,所述终端设备向MCG上报SCG连接失败报告信息。
  42. 根据权利要求41所述的装置,其特征在于,所述定时器超时的原因包括:
    在所述定时器的运行期间未选择到满足所述第一条件的所述第一小区;
    或者,在所述定时器的运行期间选择到满足所述第一条件的所述第一小区,且在所述定时器的运行期间未成功接入满足所述第一条件的所述第一小区。
  43. 根据权利要求41或42所述的装置,其特征在于,所述装置还包括:删除模块,用于,
    当所述定时器超时时,所述终端设备删除已存储的至少一个条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;
    或者,当所述定时器超时时,所述终端设备删除已存储的,与条件切换相关的全部配置信息。
  44. 根据权利要求41所述的装置,其特征在于,所述定时器停止的原因包括:
    在所述定时器的运行期间选择到满足所述第一条件的小区,且在所述定时器超时前成功与所述第一小区完成随机接入过程或者成功与所述第一小区完成上行同步;
    在所述定时器的运行期间选择到满足所述第一条件的小区,且在所述定时器超时前成功向MCG或者所述第一小区发送重配完成消息;
    在所述定时器的运行期间再次发生一次SCG连接失败;
    在所述定时器的运行期间发生SCG连接失败的次数达到第五次数阈值;
    在所述定时器的运行期间删除了存储的条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息;
    在所述定时器的运行期间,存储的条件添加或者条件修改的目标PSCell小区的配置信息,以及,对应条件添加或者条件修改的目标PSCell小区关联的条件切换触发条件配置信息失效;
    在所述定时器的运行期间,接收到网络设备发送的改变MCG的同步重配消息;
    在所述定时器的运行期间,触发MCG无线链路失败;
    在所述定时器的运行期间,接收到网络设备发送的及时切换配置消息;所述及时切换配置消息用于控制所述终端设备立即触发与目标PCell或者目标PSCell的接入过程。
  45. 根据权利要求40至44任一所述的装置,其特征在于,所述SCG连接失败报告信息中的SCG连接失败原因包括:
    发生连续SCG连接失败、条件SCG切换失败、或者未选择到满足所述第一条件的小区发起SCG连接重建或恢复过程。
  46. 根据权利要求40至45任一所述的装置,其特征在于,所述SCG连接失败报告信息包括:发生SCG连接失败的小区的标识信息或者逻辑标识信息。
  47. 根据权利要求40至46任一所述的装置,其特征在于,当SCG连接失败的次数为至少两次时,
    所述报告处理模块,用于,
    上报最近一次SCG连接失败的SCG连接失败报告信息;
    或者,上报至少两次SCG连接失败的SCG连接失败报告信息。
  48. 根据权利要求47所述的装置,其特征在于,在上报最近一次SCG连接失败的SCG连接失败报告信息的情况下,
    所述SCG连接失败报告信息中包含最近一次SCG连接失败的SCG小区的标识信息或者逻辑标识信息;
    或者,
    所述SCG连接失败报告信息中包含至少两次SCG连接失败的SCG小区的标识信息或者逻辑标识信息。
  49. 根据权利要求31至48任一所述的装置,其特征在于,所述装置还包括:
    标识上报模块,用于当成功通过选择的所述第一小区重建或者恢复SCG连接时,向MCG或者建立连接的SCG上报指定SCG小区的标识信息或者逻辑标识信息。
  50. 根据权利要求49所述的装置,其特征在于,所述指定SCG小区的标识信息或者逻辑标识信息,包括:
    接入成功的SCG小区的标识信息或者逻辑标识信息;
    成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息;
    或者,接入成功的SCG小区的标识信息或者逻辑标识信息,以及,成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息。
  51. 根据权利要求31至50任一所述的装置,其特征在于,所述装置还包括:
    指示接收模块,用于接收网络设备发送的第一指示信息,所述第一指示信息用于指示所述终端设备是否开启触发SCG连接重建或恢复的功能。
  52. 根据权利要求31至51任一所述的装置,其特征在于,所述装置还包括:
    指示发送模块,用于向网络设备发送能力指示信息,所述能力指示信息用于指示所述终端设备是否支持SCG连接重建或恢复的功能。
  53. 一种信息接收装置,其特征在于,所述装置包括:
    接收模块,用于接收SCG连接失败报告信息;所述SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;
    其中,所述SCG连接恢复或者重建过程是通过第一小区执行的,所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
  54. 根据权利要求53所述的装置,其特征在于,所述SCG连接失败报告信息包括:发生SCG连接失败的小区的标识信息或者逻辑标识信息。
  55. 根据权利要求53或54所述的装置,其特征在于,
    所述SCG连接失败报告信息包括最近一次SCG连接失败的SCG连接失败报告信息;
    或者,所述SCG连接失败报告信息包括至少两次SCG连接失败的SCG连接失败报告信息。
  56. 根据权利要求55所述的装置,其特征在于,在所述SCG连接失败报告信息包括最近一次SCG连接失败的SCG连接失败报告信息的情况下,
    所述SCG连接失败报告信息中包含最近一次SCG连接失败的SCG小区的标识信息或者逻辑标识信息;
    或者,
    所述SCG连接失败报告信息中包含至少两次SCG连接失败的SCG小区的标识信息或者逻辑标识信息。
  57. 根据权利要求53至56任一所述的装置,其特征在于,所述接收模块,还用于接收所述终端设备在成功通过选择的所述第一小区重建或者恢复SCG连接时向MCG或者建立连接的SCG上报的,指定SCG小区的标识信息或者逻辑标识信息。
  58. 根据权利要求57所述的装置,其特征在于,所述指定SCG小区的标识信息或者逻辑标识信息,包括:
    所述终端设备接入成功的SCG小区的标识信息或者逻辑标识信息;
    所述终端设备成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息;
    或者,所述终端设备接入成功的SCG小区的标识信息或者逻辑标识信息,以及,成功接入SCG小区前发生SCG连接失败的至少一个SCG小区的标识信息或者逻辑标识信息。
  59. 根据权利要求53至58任一所述的装置,其特征在于,所述装置还包括:
    发送模块,用于向所述终端设备发送第一指示信息,所述第一指示信息用于指示所述终端设备是否开启触发SCG连接重建或恢复的功能。
  60. 根据权利要求53至59任一所述的装置,其特征在于,所述接收模块,还用于接收所述终端设备发送的能力指示信息,所述能力指示信息用于指示所述终端设备是否支持SCG连接重建或恢复的功能。
  61. 一种计算机设备,其特征在于,所述计算机设备实现为终端设备,所述计算机设备包括处理器、存储器和收发器;
    所述收发器,用于当所述终端设备处于双连接状态下,且辅小区组SCG连接失败时,通过第一小区恢复或者重建辅小区组SCG连接;
    所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
  62. 一种计算机设备,其特征在于,所述计算机设备实现为网络侧设备,所述计算机设备包括处理器、存储器和收发器;
    所述收发器,接收SCG连接失败报告信息;所述SCG连接失败报告信息是终端设备处于双连接状态下,且SCG连接失败时生成,根据SCG连接恢复或者重建的结果进行上报的;
    其中,所述SCG连接恢复或者重建过程是通过第一小区执行的,所述第一小区是所述终端设备中已经存储有对应的目标配置信息,且满足第一条件的小区。
  63. 一种计算机可读存储介质,其特征在于,所述存储介质中存储有计算机程序,所述计算机程序用于被处理器执行,以实现如权利要求1至22任一项所述的连接建立方法,或者,实现如权利要求23至30任一所述的信息接收方法。
  64. 一种计算机程序产品,其特征在于,所述计算机程序产品包括计算机指令,所述计算机指令存储在计算机可读存储介质中;计算机设备的处理器执行所述计算机指令,使得所述计算机设备执行如权利要求1至22任一项所述的连接建立方法,或者,实现如权利要求23至30任一所述的信息接收方法。
  65. 一种计算机程序,其特征在于,所述计算机程序包括计算机指令,计算机设备的处理器执行所述计算机指令,使得所述计算机设备执行如权利要求1至22任一项所述的连接建立方法,或者,实现如权利要求23至30任一所述的信息接收方法。
  66. 一种芯片,其特征在于,所述芯片用于执行如权利要求1至22任一项所述的连接建立方法,或者,实现如权利要求23至30任一所述的信息接收方法。
PCT/CN2022/070381 2022-01-05 2022-01-05 连接建立方法、装置、计算机设备、存储介质及程序产品 WO2023130274A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2022/070381 WO2023130274A1 (zh) 2022-01-05 2022-01-05 连接建立方法、装置、计算机设备、存储介质及程序产品
CN202280073260.4A CN118235461A (zh) 2022-01-05 2022-01-05 连接建立方法、装置、计算机设备、存储介质及程序产品

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2022/070381 WO2023130274A1 (zh) 2022-01-05 2022-01-05 连接建立方法、装置、计算机设备、存储介质及程序产品

Publications (1)

Publication Number Publication Date
WO2023130274A1 true WO2023130274A1 (zh) 2023-07-13

Family

ID=87072915

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/070381 WO2023130274A1 (zh) 2022-01-05 2022-01-05 连接建立方法、装置、计算机设备、存储介质及程序产品

Country Status (2)

Country Link
CN (1) CN118235461A (zh)
WO (1) WO2023130274A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020167644A1 (en) * 2019-02-11 2020-08-20 Google Llc Secondary cell group failure in dual connectivity
CN112789878A (zh) * 2019-01-16 2021-05-11 Oppo广东移动通信有限公司 一种信息上报方法及装置、终端
CN113259974A (zh) * 2020-02-13 2021-08-13 华为技术有限公司 用于配置主辅小区的方法和装置
CN113498093A (zh) * 2020-04-08 2021-10-12 大唐移动通信设备有限公司 一种scg失败的处理方法、装置、终端及网络侧设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112789878A (zh) * 2019-01-16 2021-05-11 Oppo广东移动通信有限公司 一种信息上报方法及装置、终端
WO2020167644A1 (en) * 2019-02-11 2020-08-20 Google Llc Secondary cell group failure in dual connectivity
CN113259974A (zh) * 2020-02-13 2021-08-13 华为技术有限公司 用于配置主辅小区的方法和装置
CN113498093A (zh) * 2020-04-08 2021-10-12 大唐移动通信设备有限公司 一种scg失败的处理方法、装置、终端及网络侧设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HUAWEI ET AL.: "R2-1907493 "MCG failure recovery via split SRB1"", 3GPP TSG-RAN WG2 #106, 17 May 2019 (2019-05-17) *

Also Published As

Publication number Publication date
CN118235461A (zh) 2024-06-21

Similar Documents

Publication Publication Date Title
US11071158B2 (en) Communication method, communications device, and communications system thereof
JP6587001B2 (ja) 無線端末及びその方法
CN113766591B (zh) 一种接入控制方法、终端设备、基站及存储介质
US20160234851A1 (en) Data transmission apparatus and method
US20240048624A1 (en) Communication Method and Communications Apparatus
US20220225203A1 (en) Communication Method and Communications Apparatus
US20210251032A1 (en) Communication method, apparatus, and system
WO2019237763A1 (zh) 一种rlf的处理方法及装置、通信设备
US20220014901A1 (en) Method and apparatus for identifying user equipment capability in sidelink transmission
WO2020061931A1 (zh) 一种切换上报的方法、终端设备及网络设备
US20230397020A1 (en) Method and apparatus for controlling data transmission, and storage medium
CN116636253A (zh) 小数据传输过程的移动性
WO2022073491A1 (zh) 切换方法、装置、终端设备、网络设备及存储介质
WO2021169412A1 (zh) 信息同步方法和装置、电子设备、计算机可读存储介质
US20230254729A1 (en) Migration method and apparatus for iab-node
US20230018378A1 (en) Parameter configuration method, apparatus and system, device and storage medium
WO2020056587A1 (zh) 一种切换处理方法、终端设备及网络设备
WO2020024301A1 (zh) 一种保证数传输可靠性的方法及装置、网络设备
WO2023130274A1 (zh) 连接建立方法、装置、计算机设备、存储介质及程序产品
WO2022083469A1 (zh) 一种mro临界场景的判定方法、装置及设备
WO2022083411A1 (zh) 辅小区变换的错误类型的判定方法及设备
WO2020034125A1 (zh) 一种恢复rrc连接的方法及装置、终端
WO2023066009A1 (zh) 内生业务的传输方法、装置及存储介质
WO2024051698A1 (zh) 一种通信方法及装置
CN113993169B (zh) 数据传输方式的更改方法、装置、设备及存储介质

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22917750

Country of ref document: EP

Kind code of ref document: A1