WO2022028297A1 - 辅小区组的主小区更新方法、装置及存储介质 - Google Patents

辅小区组的主小区更新方法、装置及存储介质 Download PDF

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Publication number
WO2022028297A1
WO2022028297A1 PCT/CN2021/109070 CN2021109070W WO2022028297A1 WO 2022028297 A1 WO2022028297 A1 WO 2022028297A1 CN 2021109070 W CN2021109070 W CN 2021109070W WO 2022028297 A1 WO2022028297 A1 WO 2022028297A1
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WIPO (PCT)
Prior art keywords
terminal device
information
target cell
pscell
target
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PCT/CN2021/109070
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English (en)
French (fr)
Inventor
严雪
许萌
陈瑞卡
梁靖
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大唐移动通信设备有限公司
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Publication of WO2022028297A1 publication Critical patent/WO2022028297A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a method, an apparatus, and a storage medium for updating a primary cell of a secondary cell group.
  • the terminal device remains connected to multiple network devices on the network side.
  • the terminal device remains connected to two network devices on the network side, which are respectively a master node (Master Node, MN) and a secondary node (Secondary Node, SN).
  • the MN configures a master cell group (Master Cell Group, MCG) for the terminal equipment, and the MCG includes a master cell (PCell) and zero to multiple secondary cells;
  • the SN configures a secondary cell group (Secondary Cell Group, SCG) for the terminal equipment.
  • the SCG also includes a primary cell (PSCell) and zero to multiple secondary cells.
  • the MN and the SN can exchange data with the terminal device at the same time, and the terminal device also performs Radio Resource Management (RRM) measurement on the MCG and SCG and reports it to the network side.
  • RRM Radio Resource Management
  • the network side determines to change or add the PCell/PSCell according to the RRM measurement of the terminal device, it sends a corresponding command to the terminal device, and the terminal device then executes the corresponding processing.
  • the terminal device determines according to the RRM measurement that the pre-configured conditions for changing or adding PCell/PSCell are met, the terminal device performs a corresponding process of changing or adding PCell/PSCell.
  • the SCG can be set to a suspended state, and the state at this time can be called a dormant SCG state or a suspend SCG state or a deactivation SCG state (deactivation).
  • the terminal device In the dormant/suspend/deactivation SCG state, the terminal device does not monitor the PDCCH of the SCG and does not transmit data with the SN, but will perform RRM measurement on the SCG and report it to the network side. In this case, how the terminal device performs the change or addition of the PSCell remains to be resolved.
  • the present application provides a primary cell update method, device and storage medium for a secondary cell group, which are used to provide a solution for a terminal device to update a PSCell when the SCG is in the dormant/suspend/deactivation state.
  • the present application provides a method for updating a primary cell of a secondary cell group, including: a terminal device determines that a target cell needs to be updated to a PSCell of the terminal device, wherein the current secondary cell group of the terminal device is in a suspended state, and/ Or, the target state of the target secondary cell group is the suspended state, and the PSCell of the target secondary cell group is the target cell; the terminal device updates the target cell to the PSCell of the terminal device.
  • the terminal device updates the target cell to the PSCell of the terminal device, including: the terminal device applies the configuration of the target secondary cell group to which the target cell belongs; the terminal device is downlink synchronized with the target cell; and the terminal device accesses the target cell.
  • the terminal equipment accessing the target cell includes: the terminal equipment triggering a random access procedure to access the target cell; the method further includes: after the terminal equipment completes accessing the target cell, setting the secondary cell group of the terminal equipment to be suspended state, or setting the secondary cell group of the terminal device to the active state, or setting the secondary cell group of the terminal device to the target state according to the first information, which is used to indicate that the secondary cell group of the terminal device is the target state.
  • the terminal device before the terminal device updates the target cell to the PSCell of the terminal device, it further includes: the terminal device activates the secondary cell group of the terminal device; or, before the terminal device accesses the target cell, it further includes: the terminal device activates the secondary cell group of the terminal device. community group.
  • accessing the target cell by the terminal device includes: after the terminal device is downlink synchronized with the target cell, receiving second information from the network device, where the second information is used to indicate a secondary cell group for activating the terminal device; Second information, activate the secondary cell group of the terminal equipment, and trigger the random access procedure to access the target cell.
  • the method further includes: before the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device, the terminal device receives the second information from the network device; When the device receives the third information from the network device, the terminal device simultaneously receives the second information from the network device; wherein the second information is used to indicate the secondary cell group for activating the terminal device, and the third information is used to instruct the terminal device to activate the secondary cell group of the terminal device.
  • the target cell is updated to the PSCell of the terminal device; the terminal device activates the secondary cell group of the terminal device according to the second information.
  • the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device, including: the terminal device receives third information from the network device, and determines according to the third information that the target cell needs to be updated to the PSCell of the terminal device, and the third The information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device; or, the terminal device receives fourth information from the network device, and the fourth information is used to instruct the terminal device to update the PSCell condition. If the terminal device evaluates the measurement of the target cell If the result satisfies the condition for the terminal equipment to update the PSCell, it is determined that the target cell needs to be updated to the PSCell of the terminal equipment.
  • the terminal device receives fourth information from the network device that is used to instruct the terminal device to update the PSCell condition, and accordingly, the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device, including: the terminal device reports the target cell.
  • the cell identification information is sent to the network device.
  • the method further includes: the terminal device receives fifth information from the network device, where the fifth information is used to indicate configuration information of the target cell group to which the target cell belongs; if the fifth information does not include the third information, the terminal The device applies the configuration of the target cell group to which the target cell belongs according to the configuration information of the target cell group to which the target cell belongs.
  • the current secondary cell group of the terminal device is in the suspended state, and before the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device, the method further includes: the terminal device receives second information from the network device, and the second information is used for Instruct the activation of the secondary cell group of the terminal device; wherein, before the terminal device receives the second information, it stops evaluating whether the measurement result of the target cell meets the conditions for the terminal device to update the PSCell; after the terminal device receives the second information from the network device, Activate the secondary cell group of the terminal device according to the second information, and evaluate whether the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell; the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device, including: if evaluating the measurement of the target cell As a result, the condition for the terminal device to update the PSCell is satisfied, and the terminal device determines that the target cell needs to be updated to the PSCell of
  • the present application provides a method for updating a primary cell of a secondary cell group.
  • the method includes: a network device generates second information, where the second information is used to indicate an activated secondary cell group of a terminal equipment, wherein the current secondary cell of the terminal equipment The group is in the suspended state, and/or the target state of the target secondary cell group is in the suspended state, and the PSCell of the target secondary cell group is the target cell; the network device sends the second information to the terminal device.
  • the method further includes: the network device sends first information to the terminal device, where the first information is used to instruct the terminal device to update the target cell to the PSCell of the terminal after the terminal device's secondary cell group is in the target state.
  • the method further includes: the network device determines that the terminal device needs to update the target cell to the PSCell of the terminal device.
  • the method further includes: when sending the second information to the terminal device, the network device simultaneously sends third information to the terminal device; or, after the network device sends the second information to the terminal device, sending the second information to the terminal device third information; wherein the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the method further includes: the network device receives the cell identification information of the target cell reported by the terminal device; the network device determines that the terminal device needs to update the target cell to the terminal device.
  • the PSCell of the device includes: the network device determines to update the target cell to the PSCell of the terminal device according to the cell identification information of the target cell.
  • the method further includes: the network device sends fourth information to the terminal device, where the fourth information is used to indicate a condition for the terminal device to update the PSCell.
  • the present application provides an apparatus for updating a primary cell of a secondary cell group, including a memory, a transceiver and a processor: the memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; The device is configured to read the computer program in the memory and perform the following operations: determine that the target cell needs to be updated to the PSCell of the terminal equipment, wherein the current secondary cell group of the terminal equipment is in the suspended state, and/or the target secondary cell group The target state of the device is the suspended state, and the PSCell of the target secondary cell group is the target cell; the target cell is updated to the PSCell of the terminal device.
  • updating the target cell to the PSCell of the terminal device includes: applying the configuration of the target secondary cell group to which the target cell belongs; downlink synchronization with the target cell; and accessing the target cell.
  • accessing the target cell includes: triggering a random access procedure to access the target cell; the processor further performs the following operations: after completing the access to the target cell, setting the secondary cell group of the terminal device to a suspended state, or setting the terminal The secondary cell group of the device is in an active state, or the secondary cell group of the terminal device is set as the target state according to the first information, and the first information is used to indicate that the secondary cell group of the terminal device is in the target state.
  • the processor further performs the following operations: before updating the target cell to the PSCell of the terminal equipment, activate the secondary cell group of the terminal equipment; or activate the secondary cell group of the terminal equipment before accessing the target cell.
  • accessing the target cell includes: after downlink synchronization with the target cell, receiving second information from the network device, where the second information is used to indicate a secondary cell group for activating the terminal device; and activating the terminal device according to the second information and trigger the random access procedure to access the target cell.
  • the processor further performs the following operations: before determining that the target cell needs to be updated to the PSCell of the terminal device, receiving the second information from the network device; or before updating the target cell to the PSCell of the terminal device, receiving information from the network before updating the target cell to the PSCell of the terminal device.
  • the third information of the device is received, the second information from the network device is simultaneously received; wherein the second information is used to instruct the secondary cell group to activate the terminal device, and the third information is used to instruct the terminal device to update the target cell to the terminal device.
  • the PSCell according to the second information, activate the secondary cell group of the terminal device.
  • determining that the target cell needs to be updated to the PSCell of the terminal device includes: receiving third information from the network device, and determining according to the third information that the target cell needs to be updated to the PSCell of the terminal device, where the third information is used to indicate The terminal device updates the target cell to the PSCell of the terminal device; or, receives fourth information from the network device, where the fourth information is used to instruct the terminal device to update the PSCell condition. If the measurement result of the evaluation target cell satisfies the condition for the terminal device to update the PSCell, Then it is determined that the target cell needs to be updated to the PSCell of the terminal device.
  • the terminal device receives fourth information from the network device that is used to instruct the terminal device to update the PSCell, and accordingly, determines that the target cell needs to be updated to the PSCell of the terminal device, including: reporting the cell identity information of the target cell. to network equipment.
  • the processor further performs the following operations: receiving fifth information from the network device, where the fifth information is used to indicate the configuration information of the target cell group to which the target cell belongs; if the fifth information does not include the third information, according to the target cell For the configuration information of the target cell group to which the cell belongs, the configuration of the target cell group to which the target cell belongs is applied.
  • the current secondary cell group of the terminal device is in the suspended state
  • the processor further performs the following operations: before determining that the target cell needs to be updated to the PSCell of the terminal device, receive second information from the network device, and the second information is used for Instruct to activate the secondary cell group of the terminal device; wherein, before receiving the second information, stop evaluating whether the measurement result of the target cell meets the conditions for the terminal device to update the PSCell; after receiving the second information from the network device, according to the second information Activating the secondary cell group of the terminal device, and evaluating whether the measurement result of the target cell satisfies the conditions for the terminal device to update the PSCell; determining that the target cell needs to be updated to the PSCell of the terminal device, including: if the measurement result of evaluating the target cell satisfies the terminal device updating the PSCell condition, it is determined that the target cell needs to be updated to the PSCell of the terminal device.
  • the present application provides an apparatus for updating a primary cell of a secondary cell group, including a memory, a transceiver, and a processor: the memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; a device for reading the computer program in the memory and performing the following operations: generating second information, the second information is used to indicate the activation of the secondary cell group of the terminal equipment, wherein the current secondary cell group of the terminal equipment is in a suspended state, and /Or, the target state of the target secondary cell group is the suspended state, and the PSCell of the target secondary cell group is the target cell; the second information is sent to the terminal device.
  • the processor further performs the following operation: sending first information to the terminal device, where the first information is used to instruct the terminal device to update the target cell to the PSCell of the terminal and then the secondary cell group of the terminal device is in the target state.
  • the processor further performs the following operation: before generating the second information, it is determined that the terminal device needs to update the target cell to the PSCell of the terminal device.
  • the processor further performs the following operations: when sending the second information to the terminal device, simultaneously sending the third information to the terminal device; or, after sending the second information to the terminal device, sending the third information to the terminal device ; wherein the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the processor further performs the following operations: before determining that the terminal device needs to update the target cell to the PSCell of the terminal device, receiving the cell identification information of the target cell reported by the terminal device; determining that the terminal device needs to update the target cell to the PSCell of the terminal device.
  • the PSCell includes: determining to update the target cell as the PSCell of the terminal device according to the cell identification information of the target cell.
  • the processor may further perform the following operation: before sending the second information to the terminal device, send fourth information to the terminal device, where the fourth information is used to instruct the terminal device to update the PSCell condition.
  • the present application provides an apparatus for updating a primary cell of a secondary cell group, comprising: a determining unit configured to determine that a target cell needs to be updated to a PSCell of a terminal device, wherein the current secondary cell group of the terminal device is in a suspended state , and/or, the target state of the target secondary cell group is the suspended state, and the PSCell of the target secondary cell group is the target cell; the processing unit is configured to update the target cell to the PSCell of the terminal device.
  • the processing unit is specifically configured to: apply the configuration of the target secondary cell group to which the target cell belongs; downlink synchronization with the target cell; and access the target cell.
  • accessing the target cell includes: triggering a random access process to access the target cell; the processing unit is further configured to: after completing the access to the target cell, set the secondary cell group of the terminal device to a suspended state, or set the terminal device The secondary cell group of the terminal device is in the active state, or the secondary cell group of the terminal device is set as the target state according to the first information, and the first information is used to indicate that the secondary cell group of the terminal device is the target state.
  • the processing unit is further configured to activate the secondary cell group of the terminal device before updating the target cell to the PSCell of the terminal device; or, the processing unit is further configured to activate the secondary cell of the terminal device before accessing the target cell Group.
  • accessing the target cell includes: after downlink synchronization with the target cell, receiving second information from the network device, where the second information is used to indicate a secondary cell group for activating the terminal device; and activating the terminal device according to the second information and trigger the random access procedure to access the target cell.
  • the apparatus further includes a receiving unit; the receiving unit is used to receive the second information from the network device before the processing unit determines that the target cell needs to be updated to the PSCell of the terminal device; or the processing unit updates the target cell.
  • the second information is used to indicate the secondary cell group for activating the terminal equipment, and the third information is used for for instructing the terminal equipment to update the target cell to the PSCell of the terminal equipment; the processing unit is further used for activating the secondary cell group of the terminal equipment according to the second information.
  • the determining unit is specifically configured to: receive third information from the network device, and determine, according to the third information, that the target cell needs to be updated to the PSCell of the terminal device, and the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device. PSCell of the terminal device; or, receiving fourth information from the network device, where the fourth information is used to instruct the terminal device to update the PSCell condition, if the measurement result of the evaluation target cell satisfies the condition for the terminal device to update the PSCell, it is determined that the target cell needs to be updated. Update to the PSCell of the terminal device.
  • the terminal device receives fourth information from the network device that is used to instruct the terminal device to update the PSCell, and accordingly, determines that the target cell needs to be updated to the PSCell of the terminal device, including: reporting the cell identity information of the target cell. to network equipment.
  • the apparatus further includes a receiving unit; the receiving unit is configured to receive fifth information from the network device, where the fifth information is used to indicate the configuration information of the target cell group to which the target cell belongs; the processing unit is further configured to, if the first If the fifth information does not include the third information, the terminal device applies the configuration of the target cell group to which the target cell belongs according to the configuration information of the target cell group to which the target cell belongs.
  • the apparatus further includes a receiving unit; the current secondary cell group of the terminal equipment is in a suspended state, and the receiving unit is further configured to receive information from the network equipment before the determining unit determines that the target cell needs to be updated to the PSCell of the terminal equipment.
  • the second information is used to indicate the secondary cell group that activates the terminal equipment; wherein, before the receiving unit receives the second information, the processing unit stops evaluating whether the measurement result of the target cell satisfies the conditions for the terminal equipment to update the PSCell; processing The unit is further configured to activate the secondary cell group of the terminal device according to the second information after the receiving unit receives the second information from the network device, and evaluate whether the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell; the determining unit, specifically It is used for determining that the target cell needs to be updated to the PSCell of the terminal device if the processing unit evaluates that the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell.
  • the present application provides an apparatus for updating a primary cell of a secondary cell group, including: a processing unit configured to generate second information, where the second information is used to indicate a secondary cell group for activating a terminal device, wherein the current The secondary cell group is in the suspended state, and/or the target state of the target secondary cell group is in the suspended state, and the PSCell of the target secondary cell group is the target cell; the sending unit is configured to send the second information to the terminal device.
  • the sending unit is further configured to send first information to the terminal device, where the first information is used to instruct the terminal device to update the target cell to the PSCell of the terminal after the terminal device's secondary cell group is in the target state.
  • the processing unit is further configured to, before generating the second information, determine that the terminal device needs to update the target cell to the PSCell of the terminal device.
  • the sending unit is further configured to: when sending the second information to the terminal device, send the third information to the terminal device at the same time; or, after sending the second information to the terminal device, send the third information to the terminal device ; wherein the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the apparatus further includes a receiving unit; the receiving unit is configured to receive the cell identification information of the target cell reported by the terminal equipment before the processing unit determines that the terminal equipment needs to update the target cell to the PSCell of the terminal equipment; determine the terminal equipment The need to update the target cell to the PSCell of the terminal device includes: determining to update the target cell to the PSCell of the terminal device according to the cell identification information of the target cell.
  • the sending unit is further configured to send fourth information to the terminal device, where the fourth information is used to instruct the terminal device to update the PSCell condition.
  • the present application provides a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is used to cause a processor to execute the method described in the first aspect or the second aspect.
  • the present application provides a computer program product comprising instructions that, when executed on a computer, cause the computer to perform the method of the first aspect or the method of the second aspect.
  • the present application provides a system for updating a primary cell of a secondary cell group, including the network device described in any of the above and the terminal device described in any of the above.
  • the present application provides a method, device and storage medium for updating a primary cell of a secondary cell group. If the current SCG of the terminal device is in the suspended state, and/or the target state of the target SCG is in the suspended state, the PSCell of the target secondary cell group For the target cell, after the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device, the terminal device updates the target cell to the PSCell of the terminal device, so how does the terminal device update the terminal device when the SCG is in the suspended state? PSCell provides the solution.
  • FIG. 1 is a schematic diagram of an application scenario provided by an embodiment of the present application
  • FIG. 2 is a flowchart of a method for updating a primary cell of a secondary cell group according to an embodiment of the present application
  • FIG. 3 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application.
  • FIG. 4 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application.
  • FIG. 5 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application.
  • FIG. 6 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application.
  • FIG. 7 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application.
  • FIG. 8 is a schematic diagram of an apparatus for updating a primary cell of a secondary cell group according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of an apparatus for updating a primary cell of a secondary cell group according to another embodiment of the present application.
  • FIG. 10 is a schematic diagram of an apparatus for updating a primary cell of a secondary cell group according to an embodiment of the present application
  • FIG. 11 is a schematic diagram of an apparatus for updating a primary cell of a secondary cell group according to another embodiment of the present application.
  • the term "and/or” describes the relationship between related objects, and means that there can be three relationships, for example, A and/or B, which can mean that A exists alone, A and B exist simultaneously, and B exists alone. a situation.
  • the character "/” generally indicates that the associated objects are an "or" relationship.
  • the term “plurality” refers to two or more than two, and other quantifiers are similar.
  • the embodiments of the present application provide a method, an apparatus, and a storage medium for updating a primary cell of a secondary cell group.
  • the current SCG of the terminal device is in the suspended state or the target state of the target secondary cell group is in the suspended state, and the target secondary cell is in the suspended state.
  • the PSCell of the group is the target cell.
  • the terminal device determines to update the target cell to the PSCell of the terminal device, the terminal device can update the target cell to the PSCell of the terminal device, so as to realize that when the existing SCG is in the suspended state, the terminal device also The ability to perform updating of the target cell to the PSCell of the terminal device solves the problems existing in the prior art.
  • the method and the device are conceived based on the same application. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and repeated descriptions will not be repeated here.
  • the applicable system may be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) general packet Wireless service (general packet radio service, GPRS) system, long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, Long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G New Radio (New Radio, NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband Code Division Multiple Access
  • general packet Wireless service general packet Radio service
  • GPRS general packet Wireless service
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • time division duplex time division duplex
  • TDD Time division duplex
  • the terminal device involved in the embodiments of the present application may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing device connected to a wireless modem.
  • the name of the terminal device may be different.
  • the terminal device may be called user equipment (User Equipment, UE).
  • Wireless terminal equipment can communicate with one or more core networks (Core Network, CN) via a radio access network (Radio Access Network, RAN).
  • RAN Radio Access Network
  • "telephone) and computers with mobile terminal equipment eg portable, pocket-sized, hand-held, computer-built or vehicle-mounted mobile devices, which exchange language and/or data with the radio access network.
  • Wireless terminal equipment may also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , a remote terminal device (remote terminal), an access terminal device (access terminal), a user terminal device (user terminal), a user agent (user agent), and a user device (user device), which are not limited in the embodiments of the present application.
  • the network device involved in the embodiments of the present application may be a base station, and the base station may include a plurality of cells providing services for the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with wireless terminal equipment through one or more sectors on the air interface, or other names.
  • the network device can be used to exchange received air frames with Internet Protocol (IP) packets, and act as a router between the wireless terminal device and the rest of the access network, which can include the Internet. Protocol (IP) communication network.
  • IP Internet Protocol
  • the network equipment may also coordinate the management of attributes of the air interface.
  • the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile Communications (GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA). ), it can also be a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or it can be an evolved network device in a long term evolution (LTE) system (evolutional Node B, eNB or e-NodeB), 5G base station (gNB) in 5G network architecture (next generation system), or Home evolved Node B (HeNB), relay node (relay node) , a home base station (femto), a pico base station (pico), etc., which are not limited in the embodiments of the present application.
  • a network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be geographically separated.
  • MIMO transmission can be single-user MIMO (Single User MIMO, SU-MIMO) or multi-user MIMO. (Multiple User MIMO, MU-MIMO). According to the form and number of root antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO, or massive-MIMO, or diversity transmission, precoding transmission, or beamforming transmission.
  • FIG. 1 is a schematic diagram of an application scenario provided by an embodiment of the present application.
  • this embodiment provides a communication system, where the communication system includes a network device and a terminal device.
  • one of the terminal devices is used. shown as an example.
  • the terminal device is in a multi-connection scenario, and the terminal device establishes connections with multiple network devices.
  • Figure 1 shows a dual-connection scenario as an example.
  • the terminal device establishes connections with two network devices respectively.
  • One of the two network devices is a primary network device (also referred to as MN) and the other is a secondary network device (also referred to as MN).
  • MN primary network device
  • MN secondary network device
  • SN secondary network device
  • the MN configures one MCG for the terminal equipment, and the MCG includes one primary cell (PCell) and zero or more secondary cells.
  • the SN configures an SCG for the terminal equipment, and the SCG also includes a primary cell (PSCell) and zero to multiple secondary cells.
  • the MN and the SN can exchange data with the terminal device at the same time, and the terminal device also performs RRM measurement on the MCG and SCG and reports it to the network side.
  • the SCG can be set to a suspended state, and the state at this time can be called dormant SCG or suspend SCG or deactivation SCG state. In the dormant/suspend/deactivation SCG state, the terminal device does not monitor the PDCCH of the SCG, and does not transmit data with the SN, but will perform RRM measurement on the SCG and report it to the network side.
  • the following uses various embodiments to describe how to update the PSCell of the terminal device when the SCG of the terminal device is dormant SCG or suspend SCG or deactivation SCG.
  • FIG. 2 is a flowchart of a method for updating a primary cell of a secondary cell group according to an embodiment of the present application. As shown in FIG. 2 , the method in this embodiment may include:
  • the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device. Wherein, the current SCG of the terminal device is in the suspended state, and/or the target state of the target SCG is in the suspended state, and the PSCell of the target secondary cell group is the target cell.
  • suspend state can also be called SCG sleep state (dormant state) or SCG deactivation state (deactivation state), and the SCG in the suspend state can also be called dormant SCG or suspend SCG or deactivation SCG .
  • updating the target cell as the PSCell of the terminal equipment may be to change the PSCell in the current SCG to the target cell; or, it may be to add the target cell as the PSCell of the terminal equipment, that is, the terminal equipment adds an SCG, The PSCell in the SCG is the target cell.
  • the terminal device receives third information sent by the network device, where the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the third information may be referred to as update indication information, for example.
  • the terminal device determines, according to the third information, that the target cell needs to be updated to the PSCell of the terminal device.
  • the third information may include a target state for indicating that the target SCG is in a suspended state, and the PSCell of the target secondary cell group is the target cell.
  • the terminal equipment performs RRM measurement to obtain measurement results of one or more candidate cells (including the target cell), and evaluates whether the measurement results of each candidate cell meet the conditions for the terminal equipment to update the PSCell, if If satisfied, it is determined that the terminal device needs to update the PSCell of the terminal device, and the candidate cell that satisfies the condition is determined to be the target cell that needs to be updated to the PSCell of the terminal device.
  • the terminal equipment before evaluating whether the measurement results of each candidate cell meet the conditions for the terminal equipment to update the PSCell, the terminal equipment further receives fourth information sent by the network equipment, where the fourth information is used to instruct the terminal equipment to update the conditions for the PSCell.
  • the fourth information may be referred to as conditional configuration information, for example.
  • the conditions for the terminal equipment to update the PSCell include: conditions for the terminal equipment to change the PSCell and/or conditions for the terminal equipment to add the PSCell.
  • the terminal equipment performs RRM measurement to obtain measurement results of one or more candidate cells (including the target cell), and evaluates whether the measurement results of each candidate cell meet the conditions for the terminal equipment to update the PSCell, if If the target cell satisfies the condition for the terminal device to update the PSCell, the terminal device sends the identification information of the target cell to the network device.
  • the network device receives the identification information of the target cell and learns that the measurement result of the target cell satisfies the conditions for the terminal device to update the PSCell, thereby determining that the terminal device needs to update the target cell to the PSCell of the terminal device.
  • the network device then sends third information to the terminal device, where the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the terminal device determines, according to the third information, that the target cell needs to be updated to a PSCell.
  • the third information is sent to the terminal device.
  • the terminal device updates the target cell to the PSCell of the terminal device.
  • the current SCG of the terminal device is in the suspended state, or, the target state of the target SCG is in the suspended state, or, the current SCG of the terminal device is in the suspended state and the target state of the target SCG is in the suspended state
  • the terminal After the device determines that the target cell needs to be updated to the PSCell of the terminal device, the terminal device updates the target cell to the PSCell of the terminal device.
  • the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device, the terminal device updates the target cell to the PSCell of the terminal device, so it provides a solution for how the terminal device updates the PSCell of the terminal device when the SCG is in the suspended state. plan.
  • the terminal device After the terminal device determines that the target cell needs to be updated to the terminal device PSCell, the terminal device applies the configuration of the target SCG to which the target cell belongs.
  • the configuration information of the target cell group to which the cell belongs applies the configuration of the target cell group to which the target cell belongs, wherein the configuration information of the target cell group is received by the terminal device from the network device.
  • the terminal equipment then downlinks with the target cell and accesses the target cell to establish a communication connection between the terminal equipment and the target cell, and completes the terminal equipment updating the target cell to the PSCell of the terminal equipment.
  • FIG. 3 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application. As shown in FIG. 3 , the method in this embodiment may include:
  • the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device. Wherein, the current SCG of the terminal device is in the suspended state, and/or the target state of the target SCG is in the suspended state, and the PSCell of the target secondary cell group is the target cell.
  • the terminal device applies the configuration of the target SCG to which the target cell belongs.
  • the terminal device accesses the target cell.
  • the terminal device After the terminal device completes accessing the target cell, set the SCG of the terminal device to the suspended state, or set the SCG of the terminal device to the active state, or set the SCG of the terminal device to the target state according to the first information.
  • the first information is used to indicate that the SCG of the terminal device is in the target state.
  • the terminal device applies the configuration of the target SCG to which the target cell belongs, then downlinks with the target cell and triggers a random access procedure to access the target cell.
  • the terminal device sets the SCG of the terminal device (at this time, the terminal device has updated the target cell to be PSCell, so the SCG also includes the target SCG that the target cell is PSCell).
  • the terminal device sets the state of the terminal device.
  • the SCG of the device is in the suspended state, that is, the SCG is set to dormant/suspend/deactivation SCG.
  • the terminal device sets the SCG of the terminal device to the SCG active state.
  • the terminal device sets the SCG of the terminal device as the target state according to the first information, where the first information is used to indicate that the SCG of the terminal device is the target state. If the target state indicated by the first information is the suspended state, the terminal device sets the SCG to the suspended state according to the first information; if the target state indicated by the first information is the active state, the terminal device sets the SCG to the active state according to the first information state.
  • the first information may be included in the above-mentioned third information received by the terminal device from the network device, or the first information may be included in the above-mentioned fourth information received by the terminal device from the network device.
  • the terminal device updates the target cell Set the SCG to dormant/suspend/deactivation SCG after it is PSCell, so that the terminal device has the same SCG status before and after updating the target cell to PSCell; or, after the terminal device updates the target cell to PSCell, set the SCG to the active state, so that The terminal equipment can transmit data with the new SCG in time.
  • the terminal device receives the first information indicating the target state of the SCG of the terminal device, after updating the target cell to the PSCell, the terminal device sets the SCG as the target state according to the first information, so as to ensure the state of the SCG and the indicated target state Consistent.
  • S302a may also be performed:
  • the terminal device activates the SCG of the terminal device.
  • the terminal device activates the SCG of the terminal device.
  • the SCG of the terminal device is in the active state, for example, the current SCG of the terminal device is in the active state, or the target SCG to which the target cell belongs is in the active state
  • the terminal device then updates the target cell to PSCell. Ensure that the SCG of the terminal equipment is in the active state, and then perform the update of the target cell to PSCell.
  • the terminal device activates the SCG of the terminal device.
  • the terminal device after determining that the target cell needs to be updated to the PSCell of the terminal device, the terminal device applies the configuration of the target SCG to which the target cell belongs, and then downlinks with the target cell.
  • the terminal equipment activates the SCG of the terminal equipment, for example, the terminal equipment changes the current SCG from the suspended state to the active state, or sets the target SCG to which the target cell belongs to the active state.
  • the terminal device re-accesses the target cell to complete the update of the target cell to the PSCell.
  • the terminal device may directly activate the SCG of the terminal device after downlink synchronization with the target cell, that is, directly execute S304a after S303.
  • the terminal device before executing S304a, the terminal device further includes S304b:
  • the terminal device After downlink synchronization with the target cell, the terminal device receives the second information from the network device.
  • the terminal device after the terminal device downlinks with the target cell, the terminal device temporarily does not access the target cell, but waits for the network device to send the second information to the terminal device. If the terminal device receives the second information from the network device, The second information is used to indicate to activate the SCG of the terminal device, and the terminal device activates the SCG of the terminal device according to the second information when the terminal device executes the above S304a. Then the terminal device triggers the random access procedure to access the target cell. Therefore, the network device instructing the terminal device to activate the SCG indicates that the terminal device may need to transmit data through the SCG, and the terminal device then accesses the target cell to ensure that data can be transmitted in time.
  • FIG. 4 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application. As shown in FIG. 4 , the method in this embodiment may include:
  • a terminal device receives second information from a network device.
  • the current SCG of the terminal device is in the suspended state, and/or the target state of the target SCG is in the suspended state
  • the PSCell of the target secondary cell group is the target cell
  • the network device generates second information, the second information The SCG used to indicate the activation of the terminal device.
  • the terminal device receives the second information sent by the network device.
  • the terminal device activates the SCG of the terminal device according to the second information.
  • the terminal device receives the second information and activates the SCG of the terminal device.
  • the network device determines that the terminal device needs to update the target cell to the PSCell of the terminal device
  • the network device sends the second information to the terminal device, so that the terminal device activates the SCG of the terminal device.
  • the terminal device receives the third information from the network device.
  • the network device after the terminal device activates the SCG of the terminal device, if the network device determines that the terminal device needs to update the target cell to the PSCell of the terminal device, the network device sends third information to the terminal device, where the third information is used to indicate The terminal device updates the target cell to the PSCell of the terminal device.
  • the third information may be carried in the SCG-related reconfiguration message sent by the network device to the terminal device.
  • the network device after determining that the terminal device needs to update the target cell to the PSCell of the terminal device, the network device sends the above-mentioned third information to the terminal device.
  • the terminal device reports the identification information of the target cell to the network device, and the network device determines that the terminal device needs to update the target cell to the PSCell of the terminal device according to the identification information of the target cell reported by the terminal device.
  • the terminal device reports the identification information of the target cell to the network device after determining that the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell.
  • the terminal device reports the identification information of the target cell to the network device after determining that the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell.
  • the network device wants to activate the SCG of the terminal device, the network device first sends the second information to the terminal device and then sends the third information to the terminal device.
  • the terminal device determines, according to the third information, that the target cell needs to be updated to the PSCell of the terminal device.
  • the terminal device updates the target cell to the PSCell of the terminal device.
  • the network device instructs the terminal device to activate the SCG, and then when the SCG of the terminal device is in the active state, the network device instructs the terminal device that the target cell needs to be updated to the PSCell of the terminal device to ensure that When the SCG of the terminal device is in the active state, the target cell is updated to the PSCell of the terminal device.
  • FIG. 5 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application. As shown in FIG. 5 , the method in this embodiment may include:
  • the terminal device simultaneously receives the second information and the third information from the network device.
  • the current SCG of the terminal device is in the suspended state, and/or the target state of the target SCG is in the suspended state
  • the PSCell of the target secondary cell group is the target cell
  • the network device sends the third information to the terminal device, the The third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the network device sends the third information to the terminal device and also sends the second information to the terminal device, where the second information is used to instruct to activate the SCG of the terminal device.
  • the terminal device simultaneously receives the second information and the third information from the network device.
  • the second information and the third information are carried in the SCG-related reconfiguration message sent by the network device to the terminal device.
  • the second information may be carried in the MAC CE or DCI sent by the network device to the terminal device.
  • the MAC CE or DCI and the third information may be located in the same TB.
  • the second information may be included in the third information.
  • the network device sends third information to the terminal device, where the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device, and the third information includes the second information, and the terminal device receives the information from the network device. After the third information, the following S502-S504 are performed.
  • the information may be regarded as second information indicating that the SCG of the terminal device is activated.
  • the network device sends third information to the terminal device, where the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device, the third information does not include the second information, but includes the third information to indicate that the target cell is included Information that the SCG whose cell is PSCell is in the active state.
  • the terminal device activates the SCG of the terminal device according to the information in the third information indicating that the target SCG is in an active state, and executes the following S503-S504.
  • the network device sends third information to the terminal device, where the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device, and the third information does not Include second information.
  • the terminal device may consider that the SCG of the terminal device needs to be activated according to the third information, and then activate the SCG of the terminal device and execute the following S503-S504.
  • the network device after determining that the terminal device needs to update the target cell to the PSCell of the terminal device, the network device sends the third information and the second information to the terminal device.
  • the terminal device reports the identification information of the target cell to the network device, and the network device determines that the terminal device needs to update the target cell to the PSCell of the terminal device according to the identification information of the target cell reported by the terminal device.
  • the terminal device reports the identification information of the target cell to the network device after determining that the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell.
  • the terminal device reports the identification information of the target cell to the network device after determining that the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell.
  • the network device wants to activate the SCG of the terminal device, the network device sends the second information to the terminal device and simultaneously sends the third information to the terminal device.
  • the terminal device activates the SCG of the terminal device according to the second information.
  • the terminal device determines, according to the third information, that the target cell needs to be updated to the PSCell of the terminal device.
  • the execution order of S502 and S503 may not be limited.
  • the terminal device updates the target cell to the PSCell of the terminal device.
  • the network device instructs the terminal device to update the target cell to the PSCell of the terminal device and at the same time instructs the terminal device to activate the SCG, so as to ensure that the target cell is updated when the SCG of the terminal device is in the active state. It is the PSCell of the terminal device.
  • the third information is included in the fifth information received by the terminal from the network device, and the fifth information is used to indicate the configuration of the target cell group to which the target cell belongs.
  • the terminal device receives the fifth information sent by the network device, and the fifth information includes the above-mentioned third information, or, if the terminal device receives the fifth information and the third information at the same time, the terminal device is updating the target cell to the terminal device
  • the terminal device applies the configuration of the target cell group to which the target cell belongs according to the configuration information of the target cell group to which the target cell belongs, and then downlinks synchronizes with the target cell and accesses the target cell.
  • the fifth message is carried in the SCG-related reconfiguration message sent by the network device to the terminal device.
  • FIG. 6 is a flowchart of a method for updating a primary cell of a secondary cell group according to another embodiment of the present application. As shown in FIG. 6 , the method in this embodiment may include:
  • the terminal device receives fifth information from the network device.
  • the current SCG of the terminal device is in the suspended state
  • the network device sends fifth information to the terminal device, where the fifth information is used to indicate the configuration information of the target cell group to which the target cell belongs.
  • the fifth information does not include third information
  • the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the terminal device does not receive the third information from the network device while receiving the fifth information from the network device.
  • S602 The terminal device applies the configuration of the target cell group to which the target cell belongs according to the configuration information of the target cell group to which the target cell belongs.
  • the terminal device since the fifth information received by the terminal device does not include the third information, or, the terminal device does not receive the third information when receiving the fifth information, the terminal device will determine the target cell according to the information of the target cell group to which the target cell belongs.
  • the configuration information applies the configuration of the target cell group to which the target cell belongs.
  • the terminal device also continues to maintain the SCG in the suspended state.
  • the terminal device when the fifth information received by the terminal device does not include the above-mentioned third information, the terminal device applies the target cell group to which the target cell belongs according to the configuration information of the target cell group to which the target cell belongs. configuration and maintain the SCG of the terminal device in the suspended state.
  • FIG. 7 is a flowchart of a method for updating a primary cell of a secondary cell group provided by another embodiment of the present application. As shown in FIG. 7 , the current SCG of a terminal device is in a suspended state, and the method in this embodiment may include:
  • the terminal device Before receiving the second information, the terminal device stops evaluating whether the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell.
  • the current SCG of the terminal device is in a suspended state, and the terminal device stops evaluating whether the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell. Before the terminal device receives the second information, the terminal device maintains not to evaluate whether the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell.
  • the terminal device receives the second information from the network device.
  • the network device when the network device determines that the SCG of the terminal device needs to be activated, it sends the second information to the terminal device, where the second information is used to instruct to activate the SCG of the terminal device.
  • the terminal device receives the second information sent by the network device.
  • the terminal device activates the SCG of the terminal device according to the second information.
  • the terminal device after receiving the second information from the network device, the terminal device activates the SCG of the terminal device according to the second information, for example, changes the current SCG of the terminal device from a suspended state to an active state.
  • the terminal device evaluates whether the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell, and if so, determines that the target cell needs to be updated to the PSCell of the terminal device.
  • the terminal equipment evaluates whether the measurement results of each candidate cell (including the target cell) meet the conditions for the terminal equipment to update the PSCell.
  • the condition of the PSCell the terminal device determines that the target cell needs to be updated to the PSCell of the terminal device.
  • the terminal device updates the target cell to the PSCell of the terminal device.
  • the terminal device stops evaluating whether the measurement result of the target cell meets the conditions for the terminal device to update the PSCell, until the network device instructs the terminal device to activate the terminal device
  • the terminal device activates the SCG and starts to evaluate whether the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell. If the terminal device determines according to the evaluation result that the target cell needs to be updated to the PSCell of the terminal device, the target cell is updated to the PSCell of the terminal device. To ensure that the SCG of the terminal device is in the active state, the target cell is updated to the PSCell of the terminal device.
  • the SCG of the terminal device is set to a suspended state, or the SCG of the terminal device is set to an active state. , or the SCG of the terminal device is set as the target state according to the first information, and the first information is used to indicate that the SCG of the terminal device is the target state.
  • the terminal device is UE as an example for description.
  • the UE When the UE is configured with the dormant/suspend/deactivation SCG, it means that the current SCG of the UE is in the dormant/suspend/deactivation state, and the following Embodiment 1 to Embodiment 3 can be used for description respectively.
  • Embodiment 1 The UE receives the reconfiguration message sent by the network side without the synchronous reconfiguration message.
  • Step 1.1 The network side configures 2 nodes for the UE, 1 master node (MN) and 1 secondary node (SN), wherein the state of the SCG on the SN side is dormant/suspend/deactivation state.
  • MN master node
  • SN secondary node
  • Step 1.2 The network side (such as the MN) sends a reconfiguration message to the UE, where the reconfiguration message is a reconfiguration message related to the SCG.
  • Step 1.3 When the UE receives a synchronous reconfiguration message without SCG in the reconfiguration message sent by the network side, the synchronous reconfiguration message of the SCG is used to instruct to update the PSCell (PSCell change or PSCell addition).
  • the UE applies the new configuration, for example, the UE applies the new configuration according to the configuration information in the reconfiguration message.
  • the terminal device maintains the SCG in the dormant/suspend/deactivation state.
  • the network device when the SCG of the terminal device is in the dormant/suspend/deactivation state, the network device does not send a command instructing the terminal device to update the PSCell to the terminal device.
  • the network device When the SCG of the terminal device is in the active state, the network device will instruct the terminal device to perform PSCell change or PSCell addition.
  • Embodiment 2 The UE receives a reconfiguration message sent by the network side with a PSCell change command, and the PSCell change command instructs the terminal device to change the PSCell of the terminal device.
  • Step 2.1 The network side configures 2 nodes for the UE, 1 master node (MN) and 1 secondary node (SN), wherein the SCG state on the SN side is dormant/suspend/deactivation state.
  • MN master node
  • SN secondary node
  • Step 2.2 The network side (such as the MN) sends a reconfiguration message to the UE.
  • Step 2.3 The UE receives the PSCell change command from the SCG side in the reconfiguration message sent by the network side, wherein the PSCell after the UE performs the PSCell change may be called the target cell.
  • the UE performs the PSCell change process including the following implementations:
  • the UE applies the new configuration to complete downlink synchronization with the target cell, but the UE does not immediately perform the random access procedure to the target cell, but waits for the network side to activate the UE's SCG before performing the random access procedure.
  • the access process is completed to complete the PSCell change process.
  • the UE applies the new configuration, completes downlink synchronization with the target cell, and immediately performs a random access procedure on the target cell. After the UE randomly accesses the target cell, the SCG of the UE is set to the dormant/suspend/deactivation state.
  • the UE applies the new configuration, completes downlink synchronization with the target cell and immediately performs a random access procedure on the target cell, and activates the UE's SCG. Therefore, after the UE completes the PSCell change, the terminal equipment SCG is in the active state.
  • the UE first activates the current SCG of the UE to make the SCG active, and then the UE applies the new configuration to complete downlink synchronization with the target cell and immediately performs a random access procedure to the target cell. After the UE completes the random access procedure, reset the UE's SCG to the dormant/suspend/deactivation state. Therefore, the state of the SCG of the UE is the same when the UE receives the PSCell change command and after the PSCell change is completed.
  • the UE first activates the current SCG of the UE to make the SCG in the active state, and then the UE applies the new configuration to complete the downlink synchronization with the target cell and immediately performs the random access procedure on the target cell, and then maintains the The SCG of the UE is in an active state. Therefore, although the SCG is in the dormant/suspend/deactivation state when the UE receives the PSCell change command, the SCG of the UE is in the activated state after the UE completes the PSCell change.
  • the UE first activates the current SCG of the UE to make the SCG active, and then the UE applies the new configuration to complete downlink synchronization with the target cell and immediately performs a random access procedure to the target cell. If the PSCell change command indicates that the SCG (including the SCG whose target cell is PSCell) is in the dormant/suspend/deactivation state, the UE resets the SCG to the dormant/suspend/deactivation state after completing the random access procedure. If the PSCell change command indicates that the SCG (including the SCG whose target cell is the PSCell) is in the active state, the UE sets the SCG in the active state after completing the random access procedure. Therefore, the state of the SCG after the UE completes the PSCell change is the same as the target state indicated in the PSCell change command.
  • the above-mentioned PSCell change command is accompanied by a command to activate the SCG, for example, the command to activate the SCG and the PSCell change command are in the same TB block and carried in the MAC CE or DCI;
  • the command activates the SCG and performs the PSCell change procedure, such as the UE applies the new configuration, completes the downlink synchronization with the target cell, and immediately performs the random access procedure for the target cell.
  • the network side first activates the current SCG of the UE before sending the PSCell change command to the UE.
  • the network side sends the PSCell change command to the UE; that is, the network side sends the PSCell change command to the UE when the SCG of the UE is not allowed to be in the dormant/suspend/deactivation state.
  • Embodiment 3 The UE satisfies the configuration condition of the conditional handover (the condition for the UE to change the PSCell) and triggers the conditional PSCell change.
  • Step 3.1 The network side configures 2 nodes for the UE, 1 master node (MN) and 1 secondary node (SN), wherein the SCG state on the SN side is dormant/suspend/deactivation state.
  • the network side configures the configuration condition information of a conditional PSCell change (conditional PSCell change, CPC) for the UE, where the configured information includes at least one candidate cell. Then perform steps 3.2a and 3.3a, or, alternatively, perform step 3.2b.
  • conditional PSCell change conditional PSCell change, CPC
  • Step 3.2a The UE performs the cell measurement evaluation of the CPC, that is, evaluates whether the measurement result of the at least one candidate cell above satisfies the execution condition of the conditional PSCell change.
  • Step 3.3a The UE triggers the conditional PSCell change on the SN side, and the conditional PSCell change process on the SN side includes the following implementations:
  • the UE applies the new configuration to complete downlink synchronization with the target cell, but the UE does not immediately perform the random access procedure to the target cell, but waits for the network side to activate the UE's SCG before performing the random access procedure.
  • the access process completes the conditional PSCell change.
  • the UE applies the new configuration, completes downlink synchronization with the target cell, and immediately performs a random access procedure on the target cell. After the UE randomly accesses the target cell, the SCG of the UE is set to the dormant/suspend/deactivation state.
  • the UE applies the new configuration, completes downlink synchronization with the target cell and immediately performs a random access procedure on the target cell, and activates the UE's SCG. Therefore, after the UE completes the PSCell change, the terminal equipment SCG is in the active state.
  • the UE first activates the current SCG of the UE to make the SCG active, and then the UE applies the new configuration to complete downlink synchronization with the target cell and immediately performs a random access procedure to the target cell. After the UE completes the random access procedure, reset the UE's SCG to the dormant/suspend/deactivation state.
  • the UE first activates the current SCG of the UE to make the SCG in the active state, and then the UE applies the new configuration to complete the downlink synchronization with the target cell and immediately performs the random access procedure on the target cell, and then maintains the The SCG of the UE is in an active state.
  • the UE first activates the current SCG of the UE to make the SCG active, and then the UE applies the new configuration to complete downlink synchronization with the target cell and immediately performs a random access procedure to the target cell. If the target SCG (including the SCG whose target cell is PSCell) is configured in the conditional PSCell change configuration to be in the dormant/suspend/deactivation state, the UE will reset the SCG to the dormant/suspend/deactivation state after completing the random access procedure. If the target SCG is configured in the active state in the conditional PSCell change configuration, the UE will set the SCG to the active state after completing the random access procedure.
  • the UE does not perform the conditional PSCell change process, and performs the conditional PSCell change process after the current SCG of the UE is restored to the active state. For example, after the network side activates the current SCG of the UE, the UE performs the conditional PSCell change process.
  • the UE reports the cell identification information of the target cell whose measurement result evaluation meets the execution condition of the conditional PSCell change to the network side, and the network side makes a decision.
  • Step 3.2b The UE does not perform the cell measurement evaluation of the above-mentioned CPC, but waits for the current SCG of the UE to return to the active state before performing the cell measurement evaluation of the CPC, and evaluates whether the measurement result of the above at least one candidate cell satisfies the execution of the PSCell change condition to decide whether to execute the conditional PSCell change.
  • Embodiments 2-3 describe the process that the current SCG of the UE is in the dormant/suspend/deactivation state, and the PSCell change is performed.
  • the target SCG including the SCG whose target cell is PSCell
  • dormant/suspend/deactivation SCG indicating that the target state of the target SCG is dormant/suspend/deactivation state
  • Embodiments 4 to 7 can be used respectively. instruction.
  • Embodiment 4 The UE receives a PSCell change command in the reconfiguration message sent by the network side.
  • Step 4.1 The network side configures 2 nodes for the UE, 1 master node (MN) and 1 secondary node (SN).
  • MN master node
  • SN secondary node
  • Step 4.2 The network side (such as the MN) sends a reconfiguration message to the UE, and the reconfiguration message carries a PSCell change command.
  • Step 4.3 The UE receives the PSCell change command sent by the network side, wherein the PSCell after the UE performs the PSCell change may be called the target cell.
  • the UE performs the PSCell change process including the following implementations:
  • the UE applies the new configuration. If the PSCell change command indicates that the target SCG (including the SCG whose target cell is a PSCell) is in the dormant/suspend/deactivation state, the UE completes downlink synchronization with the target cell. However, the UE does not immediately perform the random access procedure to the target cell, but performs the random access procedure after the network side activates the target SCG of the UE, thereby completing the PSCell change procedure.
  • the UE applies the new configuration. If the PSCell change command indicates that the target SCG is in the dormant/suspend/deactivation state, the UE completes downlink synchronization with the target cell and immediately performs the random access procedure on the target cell, and then sets the UE's SCG (the above target SCG) to dormant /suspend/deactivation state. If the PSCell change command indicates that the target SCG is in an active state, the UE completes downlink synchronization with the target cell and immediately performs a random access procedure on the target cell, and activates the UE's SCG.
  • the UE first activates the current SCG, and then applies the new configuration to complete the downlink synchronization with the target cell and immediately performs randomization on the target cell. access process. If the PSCell change command indicates that the target SCG is in the dormant/suspend/deactivation state, the UE will set the UE's target SCG to the dormant/suspend/deactivation state after completing the random access procedure. If the PSCell change command indicates that the target SCG is in the active state, the UE will maintain the target SCG of the UE in the active state after completing the random access procedure.
  • the UE does not perform the PSCell change process according to the above reconfiguration message, but waits for the network side to activate the SCG (the SCG may is the target SCG, or, when the current SCG), perform PSCell change according to the reconfiguration message.
  • Embodiment 5 The UE satisfies the configuration condition of the conditional handover (the condition for the UE to change the PSCell) and triggers the conditional PSCell change.
  • Step 5.1 The network side configures 2 nodes for the UE, 1 master node (MN) and 1 secondary node (SN); the network side configures CPC for the UE, and the configured information includes at least one candidate cell.
  • MN master node
  • SN secondary node
  • Step 5.2 The UE performs the cell measurement evaluation of the CPC, where the measurement result evaluation of one or more candidate cells (hereinafter referred to as target cells) satisfies the execution condition of the conditional PSCell change.
  • Step 5.3 The UE triggers the conditional PSCell change on the SN side.
  • the conditional PSCell change process on the SN side includes the following implementations:
  • the UE applies the new configuration. If the target SCG (including the SCG whose target cell is PSCell) is configured in the conditional PSCell change configuration as dormant/suspend/deactivation state, the UE completes downlink synchronization with the target cell , but the UE does not immediately perform the random access process to the target cell, but waits for the network side to activate the UE's SCG and then performs the random access process, thereby completing the conditional PSCell change process.
  • the target SCG including the SCG whose target cell is PSCell
  • the UE completes downlink synchronization with the target cell , but the UE does not immediately perform the random access process to the target cell, but waits for the network side to activate the UE's SCG and then performs the random access process, thereby completing the conditional PSCell change process.
  • the UE applies the new configuration. If the target SCG is configured in the dormant/suspend/deactivation state in the conditional PSCell change configuration, the UE completes downlink synchronization with the target cell and immediately performs random access to the target cell, and then sets the UE's target SCG to dormant/suspend/deactivation state. If the target SCG is configured in the active state in the conditional PSCell change configuration, the UE completes downlink synchronization with the target cell and immediately performs the random access procedure on the target cell, and then sets the target SCG of the UE in the active state.
  • the UE first activates the SCG, and then applies the new configuration, completes downlink synchronization with the target cell, and immediately performs random access to the target cell. into the process. If the target SCG is configured in the dormant/suspend/deactivation state in the conditional PSCell change configuration, the UE will set the UE's target SCG to the dormant/suspend/deactivation state after completing the random access process. If the target SCG is configured in the active state in the conditional PSCell change configuration, the UE will set the target SCG of the UE in the active state after completing the random access procedure.
  • the UE does not perform the conditional PSCell change process, but waits for the network side to activate the SCG (the SCG can be The target SCG, or the current SCG), then execute the conditional PSCell change.
  • the UE reports the cell identification information of the target cell that satisfies the conditional PSCell change execution condition of the measurement result evaluation to the network side, and the network side makes a decision.
  • Embodiment 6 The UE receives a reconfiguration message sent by the network side with a PSCell addition command (PSCell addition command).
  • PSCell addition command PSCell addition command
  • Step 6.1 The network side configures a master node (MN) for the UE.
  • MN master node
  • Step 6.2 The network side (such as the MN) sends a reconfiguration message to the UE, and the reconfiguration message carries the PSCell addition command.
  • Step 6.3 The UE receives the PSCell addition command sent by the network side, wherein the UE performs the PSCell addition process including the following implementations:
  • the UE applies the new configuration. If the added SCG (including the SCG whose target cell is PSCell) is in the dormant/suspend/deactivation state indicated in the PSCell addition command, the UE completes downlink synchronization with the target cell. , but the UE does not immediately perform the random access procedure to the target cell, but waits for the network side to activate the newly added SCG before performing the random access procedure.
  • the UE applies the new configuration. If the added SCG indicated in the PSCell addition command is in dormant/suspend/deactivation state, the UE completes downlink synchronization with the target cell and immediately performs random access to the target cell, and then sets the newly added SCG of the UE to dormant/suspend/ deactivation state. If the added SCG indicated in the PSCell addition command is in the active state, the UE completes downlink synchronization with the target cell and immediately performs the random access procedure on the target cell, and then sets the newly added SCG by the UE in the active state.
  • the UE activates the added SCG, applies the new configuration, completes downlink synchronization with the target cell, and immediately performs a random access procedure on the target cell. If the added SCG indicated in the PSCell addition command is in the dormant state, the UE sets the SCG of the UE in the dormant state after completing the random access procedure. If the added SCG indicated in the PSCell addition command is in the active state, the UE will maintain the SCG of the UE in the active state after completing the random access procedure.
  • the UE does not execute the PSCell addition process according to the above reconfiguration message, but waits for the network side to activate the SCG (this When the SCG is the SCG to be added), the PSCell addition is executed according to the reconfiguration message.
  • Embodiment 7 The UE satisfies the configuration condition of the conditional addition (the condition for the UE to add a PSCell) and triggers the conditional PSCell addition (conditional PSCell addition)
  • Step 7.1 The network side configures a master node (MN) for the UE; the network side configures the configuration condition of the conditional PSCell addition (conditional PSCell addition) for the UE, where the configured information includes at least one candidate cell.
  • MN master node
  • conditional PSCell addition conditional PSCell addition
  • Step 7.2 The UE performs the cell measurement evaluation of the conditional PSCell addition, where the measurement evaluation of one or more candidate cells (hereinafter referred to as target cells) satisfies the execution conditions of the conditional PSCell addition.
  • Step 7.3 The UE triggers the conditional PSCell addition, and the conditional PSCell addition process includes the following implementations:
  • the UE applies the new configuration. If the added SCG (including the SCG whose target cell is the PSCell) configured in the conditional PSCell addition configuration is in the dormant/suspend/deactivation state, the UE completes the downlink with the target cell. Synchronization, but the UE does not immediately perform the random access process to the target cell, but waits for the network side to activate the newly added SCG of the UE and then performs the random access process, thereby completing the conditional PSCell change process.
  • the UE applies the new configuration. If the added SCG configured in the conditional PSCell addition configuration is in the dormant/suspend/deactivation state, the UE completes downlink synchronization with the target cell and immediately performs the random access process, and then sets the added SCG of the UE to the dormant/suspend/deactivation state . If the added SCG configured in the conditional PSCell addition configuration is in the active state, the UE completes downlink synchronization with the target cell and immediately performs the random access procedure, and then sets the newly added SCG by the UE in the active state.
  • the UE activates the added SCG, the UE applies the new configuration again, completes downlink synchronization with the target cell, and immediately performs a random access procedure on the target cell. If the added SCG is configured in the dormant state in the conditional PSCell addition configuration, the UE sets the UE's SCG to the dormant state after completing the random access procedure. If the added SCG is configured in the active state in the conditional PSCell addition configuration, the UE will maintain the SCG of the UE in the active state after completing the random access procedure.
  • conditional PSCell addition process will not be executed, but will wait until the network side activates the SCG to be added. Execute conditional PSCell addition.
  • the UE reports the cell identification information of the target cell whose measurement result evaluation meets the execution condition of the conditional PSCell addition to the network side, and the network side makes a decision.
  • the current SCG of the UE is in dormant/suspend/deactivation state.
  • the UE can access the target cell (change or add as PSCell) and then deactivate the SCG Set to dormant/suspend/deactivation state, or wait for the network side to activate the UE's SCG before triggering access to the target cell.
  • the target SCG of the UE (including the SCG whose target cell is PSCell) is configured in dormant/suspend/deactivation state.
  • the UE can set the SCG to the target cell after accessing the target cell. In the dormant/suspend/deactivation state or after the network activates the SCG, it triggers access to the target cell.
  • an embodiment of the present application provides an apparatus for updating a primary cell of a secondary cell group.
  • the apparatus 800 for updating a primary cell of a secondary cell group in this embodiment may be a terminal device.
  • the cell updating apparatus 800 may include a transceiver 801 , a processor 802 and a memory 803 .
  • the transceiver 801 is used to receive and transmit data under the control of the processor 802 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically, one or more processors represented by processor 802 and various circuits of memory represented by memory 803 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 801 may be a number of elements, including a transmitter and a receiver, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like Transmission medium.
  • the primary cell updating apparatus 800 of the secondary cell group may further include a user interface 804.
  • the user interface 804 may also be an interface capable of externally connecting the required equipment, and the connected equipment includes but is not limited to a keypad. , monitors, speakers, microphones, joysticks, etc.
  • the processor 802 is responsible for managing the bus architecture and general processing, and the memory 803 may store data used by the processor 802 in performing operations.
  • the processor 802 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (Field-Programmable Gate Array, FPGA) or a complex programmable integrated circuit (ASIC).
  • Programmable Logic Device Complex Programmable Logic Device, CPLD
  • the processor 802 invokes the computer program stored in the memory 803 to execute any one of the methods related to the terminal device provided in the embodiments of the present application according to the obtained executable instructions.
  • the processor and memory may also be physically separated.
  • the processor 802 is configured to perform the following operations: determine that the target cell needs to be updated to the PSCell of the terminal equipment, wherein the current secondary cell group of the terminal equipment is in the suspended state, and/or the target state of the target secondary cell group is In the suspended state, the PSCell of the target secondary cell group is the target cell; the target cell is updated to the PSCell of the terminal device.
  • updating the target cell to the PSCell of the terminal device includes: applying the configuration of the target secondary cell group to which the target cell belongs; downlink synchronization with the target cell; and accessing the target cell.
  • accessing the target cell includes: triggering a random access procedure to access the target cell; the processor 802 further performs the following operations: after completing the access to the target cell, setting the secondary cell group of the terminal equipment to a suspended state, or setting The secondary cell group of the terminal equipment is in the active state, or the secondary cell group of the terminal equipment is set as the target state according to the first information, and the first information is used to indicate that the secondary cell group of the terminal equipment is in the target state.
  • the processor 802 further performs the following operations: before updating the target cell to the PSCell of the terminal equipment, activate the secondary cell group of the terminal equipment; or activate the secondary cell group of the terminal equipment before accessing the target cell.
  • accessing the target cell includes: after downlink synchronization with the target cell, receiving second information from the network device, where the second information is used to indicate a secondary cell group for activating the terminal device; and activating the terminal device according to the second information and trigger the random access procedure to access the target cell.
  • the processor 802 further performs the following operations: before determining that the target cell needs to be updated to the PSCell of the terminal device, receiving the second information from the network device; or before updating the target cell to the PSCell of the terminal device, receiving the second information from the terminal device.
  • the third information of the network device is received, the second information from the network device is simultaneously received; wherein the second information is used to instruct the secondary cell group to activate the terminal device, and the third information is used to instruct the terminal device to update the target cell to the terminal device PSCell of the device; according to the second information, activate the secondary cell group of the terminal device.
  • determining that the target cell needs to be updated to the PSCell of the terminal device includes: receiving third information from the network device, and determining according to the third information that the target cell needs to be updated to the PSCell of the terminal device, where the third information is used to indicate The terminal device updates the target cell to the PSCell of the terminal device; or, receives fourth information from the network device, where the fourth information is used to instruct the terminal device to update the PSCell condition. If the measurement result of the evaluation target cell satisfies the condition for the terminal device to update the PSCell, Then it is determined that the target cell needs to be updated to the PSCell of the terminal device.
  • the terminal device receives fourth information from the network device that is used to instruct the terminal device to update the PSCell, and accordingly, determines that the target cell needs to be updated to the PSCell of the terminal device, including: reporting the cell identity information of the target cell. to network equipment.
  • the processor 802 further performs the following operations: receiving fifth information from the network device, where the fifth information is used to indicate the configuration information of the target cell group to which the target cell belongs; if the fifth information does not include the third information, according to For the configuration information of the target cell group to which the target cell belongs, the configuration of the target cell group to which the target cell belongs is applied.
  • the current secondary cell group of the terminal device is in the suspended state
  • the processor 802 further performs the following operations: before determining that the target cell needs to be updated to the PSCell of the terminal device, receive the second information from the network device, and the second information uses to instruct the secondary cell group to activate the terminal equipment; wherein, before receiving the second information, stop evaluating whether the measurement result of the target cell meets the conditions for the terminal equipment to update the PSCell; after receiving the second information from the network equipment, according to the second information
  • the information activates the secondary cell group of the terminal device, and evaluates whether the measurement result of the target cell satisfies the conditions for the terminal device to update the PSCell; it is determined that the target cell needs to be updated to the PSCell of the terminal device, including: if the measurement result of the evaluation target cell satisfies the terminal device update If the condition of the PSCell is satisfied, it is determined that the target cell needs to be updated to the PSCell of the terminal device.
  • an embodiment of the present application provides an apparatus for updating a primary cell of a secondary cell group.
  • the apparatus 900 for updating a primary cell for a secondary cell group in this embodiment may be a network device.
  • the cell updating apparatus 900 includes: a transceiver 901 , a processor 902 and a memory 903 .
  • the transceiver 901 is used to receive and transmit data under the control of the processor 902 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 902 and various circuits of memory represented by memory 903 are linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and therefore will not be described further herein.
  • the bus interface provides the interface.
  • Transceiver 901 may be multiple elements, ie, including a transmitter and a receiver, providing means for communicating with various other devices over transmission media including wireless channels, wired channels, fiber optic cables, and the like.
  • the processor 902 is responsible for managing the bus architecture and general processing, and the memory 903 may store data used by the processor 902 in performing operations.
  • the processor 902 may be a CPU, an ASIC, an FPGA or a CPLD, and the processor may also adopt a multi-core architecture.
  • the processor 902 invokes the computer program stored in the memory 903 to execute any one of the methods related to the network device provided by the embodiments of the present application according to the obtained executable instructions.
  • the processor and memory may also be physically separated.
  • the processor 902 is configured to perform the following operations: generate second information, where the second information is used to indicate the activation of the secondary cell group of the terminal equipment, wherein the current secondary cell group of the terminal equipment is in a suspended state, and/or the target The target state of the secondary cell group is the suspended state, and the PSCell of the target secondary cell group is the target cell; the second information is sent to the terminal device.
  • the processor 902 further performs the following operation: sending first information to the terminal device, where the first information is used to instruct the terminal device to update the target cell to the PSCell of the terminal and then the secondary cell group of the terminal device is in the target state.
  • the processor 902 further performs the following operation: before generating the second information, it is determined that the terminal device needs to update the target cell to the PSCell of the terminal device.
  • the processor 902 further performs the following operations: when sending the second information to the terminal device, send the third information to the terminal device at the same time; or, after sending the second information to the terminal device, send the third information to the terminal device. information; wherein, the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the processor 902 further performs the following operations: before determining that the terminal device needs to update the target cell to the PSCell of the terminal device, receiving the cell identification information of the target cell reported by the terminal device; determining that the terminal device needs to update the target cell to the terminal device
  • the PSCell includes: determining to update the target cell as the PSCell of the terminal device according to the cell identification information of the target cell.
  • the processor 902 further performs the following operations: before sending the second information to the terminal device, send fourth information to the terminal device, where the fourth information is used to instruct the terminal device to update the condition of the PSCell.
  • an embodiment of the present application further provides an apparatus for updating a primary cell of a secondary cell group.
  • the apparatus 1000 for updating a primary cell for a secondary cell group in this embodiment may be a terminal device, and the The primary cell updating apparatus 1000 includes: a determining unit 1001 and a processing unit 1002 .
  • the determining unit 1001 is configured to determine that the target cell needs to be updated to the PSCell of the terminal device, wherein the current secondary cell group of the terminal device is in the suspended state, and/or the target state of the target secondary cell group is the suspended state, and the target secondary cell group is in the suspended state.
  • the PSCell of the cell group is the target cell; the processing unit 1002 is configured to update the target cell to the PSCell of the terminal device.
  • the processing unit 1002 is specifically configured to: apply the configuration of the target secondary cell group to which the target cell belongs; downlink synchronization with the target cell; and access the target cell.
  • accessing the target cell includes: triggering a random access procedure to access the target cell.
  • the processing unit 1002 is further configured to: after completing the access to the target cell, set the secondary cell group of the terminal equipment to a suspended state, or set the secondary cell group of the terminal equipment to an active state, or set the secondary cell group of the terminal equipment according to the first information In the target state, the first information is used to indicate that the secondary cell group of the terminal device is in the target state.
  • the processing unit 1002 is further configured to activate the secondary cell group of the terminal device before updating the target cell to the PSCell of the terminal device; or, the processing unit 1002 is further configured to activate the terminal device's secondary cell group before accessing the target cell. Secondary cell group.
  • accessing the target cell includes: after downlink synchronization with the target cell, receiving second information from the network device, where the second information is used to indicate a secondary cell group for activating the terminal device; and activating the terminal device according to the second information and trigger the random access procedure to access the target cell.
  • the apparatus 1000 for updating the primary cell of the secondary cell group in this embodiment further includes a receiving unit 1003 .
  • the receiving unit 1003 is configured to receive the second information from the network device before the processing unit 1002 determines that the target cell needs to be updated to the PSCell of the terminal device; or before the processing unit updates the target cell to the PSCell of the terminal device, receive information from the network device.
  • the third information of the network device is received, the second information from the network device is simultaneously received; wherein the second information is used to instruct the secondary cell group to activate the terminal device, and the third information is used to instruct the terminal device to update the target cell to the terminal device PSCell of the device;
  • the processing unit 1002 is further configured to activate the secondary cell group of the terminal device according to the second information.
  • the determining unit 1001 is specifically configured to: receive third information from the network device, and determine according to the third information that the target cell needs to be updated to the PSCell of the terminal device, where the third information is used to instruct the terminal device to update the target cell It is the PSCell of the terminal device; or, receives fourth information from the network device, where the fourth information is used to instruct the terminal device to update the PSCell condition, if the measurement result of the evaluation target cell satisfies the terminal device to update the PSCell condition, then determine that the target needs to be updated. The cell is updated to the PSCell of the terminal device.
  • the terminal device receives fourth information from the network device that is used to instruct the terminal device to update the PSCell, and accordingly, determines that the target cell needs to be updated to the PSCell of the terminal device, including: reporting the cell identity information of the target cell. to network equipment.
  • the apparatus 1000 for updating the primary cell of the secondary cell group in this embodiment further includes a receiving unit 1003 .
  • the receiving unit 1003 is configured to receive fifth information from the network device, where the fifth information is used to indicate the configuration information of the target cell group to which the target cell belongs;
  • the processing unit 1002 is further configured to: if the fifth information does not include the third information, then The terminal device applies the configuration of the target cell group to which the target cell belongs according to the configuration information of the target cell group to which the target cell belongs.
  • the apparatus 1000 for updating the primary cell of the secondary cell group in this embodiment further includes a receiving unit 1003 .
  • the current secondary cell group of the terminal equipment is in the suspended state, and the receiving unit 1003 is further configured to receive the second information from the network equipment before the determining unit 1001 determines that the target cell needs to be updated to the PSCell of the terminal equipment, and the second information is used for Indicates the activation of the secondary cell group of the terminal equipment; wherein, before the receiving unit receives the second information, the processing unit 1002 stops evaluating whether the measurement result of the target cell satisfies the condition for the terminal equipment to update the PSCell; the processing unit 1002 is also used for the receiving unit 1003 After receiving the second information from the network device, activate the secondary cell group of the terminal device according to the second information, and evaluate whether the measurement result of the target cell satisfies the condition for the terminal device to update the PSCell; the determining unit 1001 is specifically used for: if the processing unit If the measurement result of the evaluation target cell satisfie
  • an embodiment of the present application further provides an apparatus for updating a primary cell of a secondary cell group.
  • the apparatus 1100 for updating a primary cell of a secondary cell group in this embodiment may be a network device.
  • the primary cell updating apparatus 1100 includes: a processing unit 1101 and a sending unit 1102 .
  • the sending unit 1102 is configured to send the second information to the terminal device.
  • the sending unit 1102 is further configured to send first information to the terminal device, where the first information is used to instruct the terminal device to update the target cell to the PSCell of the terminal after the terminal device's secondary cell group is in the target state.
  • the processing unit 1101 is further configured to, before generating the second information, determine that the terminal device needs to update the target cell to the PSCell of the terminal device.
  • the sending unit 1102 is further configured to: when sending the second information to the terminal device, send the third information to the terminal device at the same time; or, after sending the second information to the terminal device, send the third information to the terminal device information.
  • the third information is used to instruct the terminal device to update the target cell to the PSCell of the terminal device.
  • the apparatus 1100 for updating the primary cell of the secondary cell group in this embodiment further includes a receiving unit 1103 .
  • the receiving unit 1103 is configured to receive the cell identification information of the target cell reported by the terminal equipment before the processing unit 1101 determines that the terminal equipment needs to update the target cell to the PSCell of the terminal equipment; determine that the terminal equipment needs to update the target cell to the PSCell of the terminal equipment , including: determining to update the target cell as the PSCell of the terminal device according to the cell identification information of the target cell.
  • the sending unit 1102 is further configured to send fourth information to the terminal device, where the fourth information is used to indicate a condition for the terminal device to update the PSCell.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a processor-readable storage medium.
  • the technical solutions of the present application can be embodied in the form of software products in essence, or the parts that contribute to the prior art, or all or part of the technical solutions, and the computer software products are stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .
  • the embodiments of the present application provide a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute any one of the terminal devices provided by the embodiments of the present application. described method.
  • the processor can implement all the method steps implemented by the terminal device in the above method embodiments, and can achieve the same technical effects, and the same parts and beneficial effects as the method embodiments in this embodiment will not be described in detail here.
  • the embodiments of the present application provide a processor-readable storage medium, where the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute any one of the network devices provided by the embodiments of the present application. described method.
  • the processor can implement all the method steps implemented by the network device in the above method embodiments, and can achieve the same technical effects, and the same parts and beneficial effects in this embodiment as those in the method embodiments will not be described in detail here.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by a processor, including, but not limited to, magnetic storage (eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (eg, CD, DVD, BD, HVD, etc.), and semiconductor memory (eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)), etc.
  • magnetic storage eg, floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.
  • optical storage eg, CD, DVD, BD, HVD, etc.
  • semiconductor memory eg, ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state disk (SSD)
  • the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media having computer-usable program code embodied therein, including but not limited to disk storage, optical storage, and the like.
  • processor-executable instructions may also be stored in a processor-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the processor-readable memory result in the manufacture of means including the instructions product, the instruction means implements the functions specified in the flow or flow of the flowchart and/or the block or blocks of the block diagram.
  • processor-executable instructions can also be loaded onto a computer or other programmable data processing device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process that Execution of the instructions provides steps for implementing the functions specified in the flowchart or blocks and/or the block or blocks of the block diagrams.

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Abstract

本申请提供一种辅小区组的主小区更新方法、装置及存储介质，该方法包括：终端设备确定需要将目标小区更新为终端设备的PSCell，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；终端设备将目标小区更新为终端设备的PSCell。为存在SCG为挂起态的情况下，终端设备如何更新终端设备的PSCell提供了解决方案。

Description

辅小区组的主小区更新方法、装置及存储介质
本申请要求于2020年08月07日提交中国专利局、申请号为202010788021.X、申请名称为“辅小区组的主小区更新方法、装置及存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，尤其涉及一种辅小区组的主小区更新方法、装置及存储介质。
背景技术
在多连接场景下，终端设备与网络侧的多个网络设备保持连接状态，以双连接场景为例，终端设备与网络侧的两个网络设备保持连接状态，分别为一个主节点(Master Node，MN)和一个辅节点(Secondary Node，SN)。其中，MN为终端设备配置一个主小区组(Master Cell Group，MCG)，MCG包括一个主小区(PCell)和零至多个辅小区；SN为终端设备配置一个辅小区组(Secondary Cell Group，SCG)，SCG也包括一个主小区(PSCell)和零至多个辅小区。MN和SN可以同时与终端设备进行数据交互，同时终端设备也会对MCG和SCG进行无线资源管理(Radio Resource Management，RRM)测量并上报给网络侧。如果网络侧根据终端设备的RRM测量，确定变更或添加PCell/PSCell，则向终端设备发送相应的命令，终端设备再执行相应的处理。或者，如果终端设备根据RRM测量确定满足预先配置的变更或添加PCell/PSCell的条件，则终端设备执行相应的变更或添加PCell/PSCell的处理。
目前，考虑到节能，在数据传输量较小的情况下，可以将SCG设置为挂起态，此时的状态可以称为dormant SCG状态或suspend SCG状态或去激活SCG状态(deactivation)。在dormant/suspend/deactivation SCG状态下，终端设备不监听SCG的PDCCH，不与SN进行数据传输，但会对该SCG进行RRM测量并上报给网络侧。这种情况下，终端设备如何执行变更或添加PSCell有待解决。
发明内容
本申请提供一种辅小区组的主小区更新方法、装置及存储介质，用于提供存在SCG为dormant/suspend/deactivation态的情况下，终端设备更新PSCell的解决方案。
第一方面，本申请提供一种辅小区组的主小区更新方法，包括：终端设备确定需要将目标小区更新为终端设备的PSCell，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；终端设备将目标小区更新为终端设备的PSCell。
可选的，终端设备将目标小区更新为终端设备的PSCell，包括：终端设备应用目标小区所属目标辅小区组的配置；终端设备与目标小区下行同步；终端设备接入目标小区。
可选的，终端设备接入目标小区，包括：终端设备触发随机接入过程接入目标小区；所述方 法还包括：终端设备完成接入目标小区后，设置终端设备的辅小区组为挂起态，或设置终端设备的辅小区组为激活态，或根据第一信息设置终端设备的辅小区组为目标状态，第一信息用于指示终端设备的辅小区组为目标状态。
可选的，终端设备将目标小区更新为终端设备的PSCell之前，还包括：终端设备激活终端设备的辅小区组；或者，终端设备接入目标小区之前，还包括：终端设备激活终端设备的辅小区组。
可选的，终端设备接入目标小区，包括：终端设备在与目标小区下行同步后，接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；终端设备根据第二信息，激活终端设备的辅小区组，并触发随机接入过程接入目标小区。
可选的，终端设备将目标小区更新为终端设备的PSCell之前，还包括：在终端设备确定需要将目标小区更新为终端设备的PSCell之前，终端设备接收来自网络设备的第二信息；或在终端设备接收来自网络设备的第三信息之时，终端设备同时接收到来自网络设备的第二信息；其中，第二信息用于指示激活终端设备的辅小区组，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；终端设备根据第二信息，激活终端设备的辅小区组。
可选的，终端设备确定需要将目标小区更新为终端设备的PSCell，包括：终端设备接收来自网络设备的第三信息，并根据第三信息确定需要将目标小区更新为终端设备的PSCell，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；或者，终端设备接收来自网络设备的第四信息，第四信息用于指示终端设备更新PSCell的条件，终端设备若评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
可选的，终端设备接收到来自网络设备的用于指示终端设备更新PSCell的条件的第四信息，相应地，终端设备确定需要将目标小区更新为终端设备的PSCell，包括：终端设备上报目标小区的小区标识信息给网络设备。
可选的，所述方法还包括：终端设备接收来自网络设备的第五信息，第五信息用于指示目标小区所属目标小区组的配置信息；若第五信息中不包括第三信息，则终端设备根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置。
可选的，终端设备的当前辅小区组为挂起态，终端设备确定需要将目标小区更新为终端设备的PSCell之前，还包括：终端设备接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；其中，终端设备在接收到第二信息之前，停止评估目标小区的测量结果是否满足终端设备更新PSCell的条件；终端设备在接收来自网络设备的第二信息后，根据第二信息激活终端设备的辅小区组，以及评估目标小区的测量结果是否满足终端设备更新PSCell的条件；终端设备确定需要将目标小区更新为终端设备的PSCell，包括：若评估目标小区的测量结果满足终端设备更新PSCell的条件，则终端设备确定需要将目标小区更新为终端设备的PSCell。
第二方面，本申请提供一种辅小区组的主小区更新方法，方法包括：网络设备生成第二信息，第二信息用于指示激活终端设备的辅小区组，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；网络设备向终端设备发送第二信息。
可选的，所述方法还包括：网络设备向终端设备发送第一信息，第一信息用于指示终端设备将目标小区更新为终端的PSCell后终端设备的辅小区组为目标状态。
可选的，网络设备生成第二信息之前，还包括：网络设备确定终端设备需要将目标小区更新为终端设备的PSCell。
可选的，所述方法还包括：网络设备在向终端设备发送第二信息之时，同时向终端设备发送第三信息；或者，网络设备在向终端设备发送第二信息之后，向终端设备发送第三信息；其中，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。
可选的，网络设备确定终端设备需要将目标小区更新为终端设备的PSCell之前，还包括：网络设备接收终端设备上报的目标小区的小区标识信息；网络设备确定终端设备需要将目标小区更新为终端设备的PSCell，包括：网络设备根据目标小区的小区标识信息，确定将目标小区更新为终端设备的PSCell。
可选的，网络设备向终端设备发送第二信息之前，还包括：网络设备向终端设备发送第四信息，第四信息用于指示终端设备更新PSCell的条件。
第三方面，本申请提供一种辅小区组的主小区更新装置，包括存储器、收发机和处理器：存储器，用于存储计算机程序；收发机，用于在处理器的控制下收发数据；处理器，用于读取存储器中的计算机程序并执行以下操作：确定需要将目标小区更新为终端设备的PSCell，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；将目标小区更新为终端设备的PSCell。
可选的，将目标小区更新为终端设备的PSCell，包括：应用目标小区所属目标辅小区组的配置；与目标小区下行同步；接入目标小区。
可选的，接入目标小区，包括：触发随机接入过程接入目标小区；处理器还执行如下操作：完成接入目标小区后，设置终端设备的辅小区组为挂起态，或设置终端设备的辅小区组为激活态，或根据第一信息设置终端设备的辅小区组为目标状态，第一信息用于指示终端设备的辅小区组为目标状态。
可选的，处理器还执行如下操作：将目标小区更新为终端设备的PSCell之前，激活终端设备的辅小区组；或者，接入目标小区之前，激活终端设备的辅小区组。
可选的，接入目标小区，包括：在与目标小区下行同步后，接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；根据第二信息，激活终端设备的辅小区组，并触发随机接入过程接入目标小区。
可选的，处理器还执行如下操作：在确定需要将目标小区更新为终端设备的PSCell之前，接收来自网络设备的第二信息；或将目标小区更新为终端设备的PSCell之前，在接收来自网络设备的第三信息之时，同时接收到来自网络设备的第二信息；其中，第二信息用于指示激活终端设备的辅小区组，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；根据第二信息，激活终端设备的辅小区组。
可选的，确定需要将目标小区更新为终端设备的PSCell，包括：接收来自网络设备的第三信息，并根据第三信息确定需要将目标小区更新为终端设备的PSCell，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；或者，接收来自网络设备的第四信息，第四信息用于指示终端设备更新PSCell的条件若评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
可选的，终端设备接收到来自网络设备的用于指示终端设备更新PSCell的条件的第四信息，相应地，确定需要将目标小区更新为终端设备的PSCell，包括：上报目标小区的小区标识信息给网络设备。
可选的，处理器还执行如下操作：接收来自网络设备的第五信息，第五信息用于指示目标小 区所属目标小区组的配置信息；若第五信息中不包括第三信息，则根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置。
可选的，终端设备的当前辅小区组为挂起态，处理器还执行如下操作：确定需要将目标小区更新为终端设备的PSCell之前，接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；其中，在接收到第二信息之前，停止评估目标小区的测量结果是否满足终端设备更新PSCell的条件；在接收来自网络设备的第二信息后，根据第二信息激活终端设备的辅小区组，以及评估目标小区的测量结果是否满足终端设备更新PSCell的条件；确定需要将目标小区更新为终端设备的PSCell，包括：若评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
第四方面，本申请提供一种辅小区组的主小区更新装置，包括存储器、收发机和处理器：存储器，用于存储计算机程序；收发机，用于在处理器的控制下收发数据；处理器，用于读取存储器中的计算机程序并执行以下操作：生成第二信息，第二信息用于指示激活终端设备的辅小区组，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；向终端设备发送第二信息。
可选的，处理器还执行如下操作：向终端设备发送第一信息，第一信息用于指示终端设备将目标小区更新为终端的PSCell后终端设备的辅小区组为目标状态。
可选的，处理器还执行如下操作：生成第二信息之前，确定终端设备需要将目标小区更新为终端设备的PSCell。
可选的，处理器还执行如下操作：在向终端设备发送第二信息之时，同时向终端设备发送第三信息；或者，在向终端设备发送第二信息之后，向终端设备发送第三信息；其中，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。
可选的，处理器还执行如下操作：确定终端设备需要将目标小区更新为终端设备的PSCell之前，接收终端设备上报的目标小区的小区标识信息；确定终端设备需要将目标小区更新为终端设备的PSCell，包括：根据目标小区的小区标识信息，确定将目标小区更新为终端设备的PSCell。
可选的，处理器还执行如下操作：向终端设备发送第二信息之前，向终端设备发送第四信息，第四信息用于指示终端设备更新PSCell的条件。
第五方面，本申请提供一种辅小区组的主小区更新装置，包括：确定单元，用于确定需要将目标小区更新为终端设备的PSCell，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；处理单元，用于将目标小区更新为终端设备的PSCell。
可选的，处理单元，具体用于：应用目标小区所属目标辅小区组的配置；与目标小区下行同步；接入目标小区。
可选的，接入目标小区，包括：触发随机接入过程接入目标小区；处理单元还用于：完成接入目标小区后，设置终端设备的辅小区组为挂起态，或设置终端设备的辅小区组为激活态，或根据第一信息设置终端设备的辅小区组为目标状态，第一信息用于指示终端设备的辅小区组为目标状态。
可选的，处理单元，还用于在将目标小区更新为终端设备的PSCell之前，激活终端设备的辅小区组；或者，处理单元还用于在接入目标小区之前，激活终端设备的辅小区组。
可选的，接入目标小区，包括：在与目标小区下行同步后，接收来自网络设备的第二信息， 第二信息用于指示激活终端设备的辅小区组；根据第二信息，激活终端设备的辅小区组，并触发随机接入过程接入目标小区。
可选的，所述装置还包括接收单元；接收单元，用于在处理单元确定需要将目标小区更新为终端设备的PSCell之前，接收来自网络设备的第二信息；或在处理单元将目标小区更新为终端设备的PSCell之前，在接收来自网络设备的第三信息之时，同时接收到来自网络设备的第二信息；其中，第二信息用于指示激活终端设备的辅小区组，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；处理单元，还用于根据第二信息，激活终端设备的辅小区组。
可选的，确定单元，具体用于：接收来自网络设备的第三信息，并根据第三信息确定需要将目标小区更新为终端设备的PSCell，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；或者，接收来自网络设备的第四信息，第四信息用于指示终端设备更新PSCell的条件，若评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
可选的，终端设备接收到来自网络设备的用于指示终端设备更新PSCell的条件的第四信息，相应地，确定需要将目标小区更新为终端设备的PSCell，包括：上报目标小区的小区标识信息给网络设备。
可选的，所述装置还包括接收单元；接收单元，用于接收来自网络设备的第五信息，第五信息用于指示目标小区所属目标小区组的配置信息；处理单元，还用于若第五信息中不包括第三信息，则终端设备根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置。
可选的，所述装置还包括接收单元；终端设备的当前辅小区组为挂起态，接收单元，还用于在确定单元确定需要将目标小区更新为终端设备的PSCell之前，接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；其中，处理单元在接收单元接收到第二信息之前，停止评估目标小区的测量结果是否满足终端设备更新PSCell的条件；处理单元，还用于在接收单元接收来自网络设备的第二信息后，根据第二信息激活终端设备的辅小区组，以及评估目标小区的测量结果是否满足终端设备更新PSCell的条件；确定单元，具体用于：若处理单元评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
第六方面，本申请提供一种辅小区组的主小区更新装置，包括：处理单元，用于生成第二信息，第二信息用于指示激活终端设备的辅小区组，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；发送单元，用于向终端设备发送第二信息。
可选的，发送单元，还用于向终端设备发送第一信息，第一信息用于指示终端设备将目标小区更新为终端的PSCell后终端设备的辅小区组为目标状态。
可选的，处理单元，还用于在生成第二信息之前，确定终端设备需要将目标小区更新为终端设备的PSCell。
可选的，发送单元，还用于：在向终端设备发送第二信息之时，同时向终端设备发送第三信息；或者，在向终端设备发送第二信息之后，向终端设备发送第三信息；其中，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。
可选的，所述装置还包括接收单元；接收单元，用于在处理单元确定终端设备需要将目标小区更新为终端设备的PSCell之前，接收终端设备上报的目标小区的小区标识信息；确定终端设备需要将目标小区更新为终端设备的PSCell，包括：根据目标小区的小区标识信息，确定将目标小区 更新为终端设备的PSCell。
可选的，发送单元，还用于向终端设备发送第四信息，第四信息用于指示终端设备更新PSCell的条件。
第七方面，本申请提供一种处理器可读存储介质，处理器可读存储介质存储有计算机程序，计算机程序用于使处理器执行第一方面或第二方面所述的方法。
第八方面，本申请提供一种包含指令的计算机程序产品，当指令在计算机上运行时，使得计算机执行如上述第一方面的方法或者如第二方面的方法。
第九方面，本申请提供一种辅小区组的主小区更新系统，包括如上任一所述的网络设备和如上任一所述的终端设备。
本申请提供一种辅小区组的主小区更新方法、装置及存储介质，如果终端设备的当前SCG为挂起态，和/或，目标SCG的目标状态为挂起态，目标辅小区组的PSCell为目标小区，在终端设备确定需要将目标小区更新为终端设备的PSCell之后，终端设备将目标小区更新为终端设备的PSCell，所以为存在SCG为挂起态的情况下，终端设备如何更新终端设备的PSCell提供了解决方案。
应当理解，上述发明内容部分中所描述的内容并非旨在限定本申请的实施例的关键或重要特征，亦非用于限制本发明的范围。本申请的其它特征将通过以下的描述变得容易理解。
附图说明
为了更清楚地说明本申请或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本申请一实施例提供的应用场景示意图；
图2为本申请一实施例提供的辅小区组的主小区更新方法的流程图；
图3为本申请另一实施例提供的辅小区组的主小区更新方法的流程图；
图4为本申请另一实施例提供的辅小区组的主小区更新方法的流程图；
图5为本申请另一实施例提供的辅小区组的主小区更新方法的流程图；
图6为本申请另一实施例提供的辅小区组的主小区更新方法的流程图；
图7为本申请另一实施例提供的辅小区组的主小区更新方法的流程图；
图8为本申请一实施例提供的辅小区组的主小区更新装置的示意图；
图9为本申请另一实施例提供的辅小区组的主小区更新装置的示意图；
图10为本申请一实施例提供的辅小区组的主小区更新装置的示意图；
图11为本申请另一实施例提供的辅小区组的主小区更新装置的示意图。
具体实施方式
本申请中术语“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本申请实施例中术语“多个”是指两个或两个以上，其它量词与之类似。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，并不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例提供了辅小区组的主小区更新方法、装置及存储介质，针对多连接场景，终端设备的当前SCG为挂起态或者目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区，当终端设备确定要将目标小区更新为终端设备的PSCell，终端设备可以将目标小区更新为所述终端设备的PSCell，以实现存在SCG为挂起态时，终端设备也能执行将目标小区更新为所述终端设备的PSCell，解决了现有技术中存在的问题。
其中，方法和装置是基于同一申请构思的，由于方法和装置解决问题的原理相似，因此装置和方法的实施可以相互参见，重复之处不再赘述。
本申请实施例提供的技术方案可以适用于多种系统，尤其是5G系统。例如适用的系统可以是全球移动通讯(global system of mobile communication，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)通用分组无线业务(general packet radio service，GPRS)系统、长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)系统、高级长期演进(long term evolution advanced，LTE-A)系统、通用移动系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)系统、5G新空口(New Radio,NR)系统等。这多种系统中均包括终端设备和网络设备。系统中还可以包括核心网部分，例如演进的分组系统(Evloved Packet System,EPS)、5G系统(5GS)等。
本申请实施例涉及的终端设备，可以是指向用户提供语音和/或数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备等。在不同的系统中，终端设备的名称可能也不相同，例如在5G系统中，终端设备可以称为用户设备(User Equipment，UE)。无线终端设备可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网(Core Network,CN)进行通信，无线终端设备可以是移动终端设备，如移动电话(或称为“蜂窝”电话)和具有移动终端设备的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，个人通信业务(Personal Communication Service，PCS)电话、无绳电话、会话发起协议(Session Initiated Protocol，SIP)话机、无线本地环路(Wireless Local Loop，WLL)站、个人数字助理(Personal Digital Assistant，PDA)等设备。无线终端设备也可以称为系统、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点(access point)、远程终端设备(remote terminal)、接入终端设备(access terminal)、用户终端设备(user terminal)、用户代理(user agent)、用户装置(user device)，本申请实施例中并不限定。
本申请实施例涉及的网络设备，可以是基站，该基站可以包括多个为终端提供服务的小区。根据具体应用场合不同，基站又可以称为接入点，或者可以是接入网中在空中接口上通过一个或多个扇区与无线终端设备通信的设备，或者其它名称。网络设备可用于将收到的空中帧与网际协议(Internet Protocol，IP)分组进行相互更换，作为无线终端设备与接入网的其余部分之间的路由器，其中接入网的其余部分可包括网际协议(IP)通信网络。网络设备还可协调对空中接口的属 性管理。例如，本申请实施例涉及的网络设备可以是全球移动通信系统(Global System for Mobile communications，GSM)或码分多址接入(Code Division Multiple Access，CDMA)中的网络设备(Base Transceiver Station，BTS)，也可以是带宽码分多址接入(Wide-band Code Division Multiple Access，WCDMA)中的网络设备(NodeB)，还可以是长期演进(long term evolution，LTE)系统中的演进型网络设备(evolutional Node B，eNB或e-NodeB)、5G网络架构(next generation system)中的5G基站(gNB)，也可以是家庭演进基站(Home evolved Node B，HeNB)、中继节点(relay node)、家庭基站(femto)、微微基站(pico)等，本申请实施例中并不限定。在一些网络结构中，网络设备可以包括集中单元(centralized unit，CU)节点和分布单元(distributed unit，DU)节点，集中单元和分布单元也可以地理上分开布置。
网络设备与终端设备之间可以各自使用一或多根天线进行多输入多输出(Multi Input Multi Output,MIMO)传输，MIMO传输可以是单用户MIMO(Single User MIMO,SU-MIMO)或多用户MIMO(Multiple User MIMO,MU-MIMO)。根据根天线组合的形态和数量，MIMO传输可以是2D-MIMO、3D-MIMO、FD-MIMO或massive-MIMO，也可以是分集传输或预编码传输或波束赋形传输等。
图1为本申请一实施例提供的应用场景示意图，如图1所示，本实施例提供了一种通信系统，该通信系统包括网络设备和终端设备，其中，本实施例以其中一个终端设备为例示出。该终端设备处于多连接场景下，终端设备与多个网络设备建立连接。图1以双连接场景为例示出，终端设备分别与两个网络设备建立连接，这两个网络设备一个为主网络设备(也可称为MN)，另一个为辅网络设备(也可称为SN)。其中，MN为终端设备配置一个MCG，MCG包括一个主小区(PCell)和零至多个辅小区。SN为终端设备配置一个SCG，SCG也包括一个主小区(PSCell)和零至多个辅小区。MN和SN可以同时与终端设备进行数据交互，同时终端设备也会对MCG和SCG进行RRM测量并上报给网络侧。其中，在数据传输量较小的情况下，可以将SCG设置为挂起态，此时的状态可以称为dormant SCG或suspend SCG或deactivation SCG状态。在dormant/suspend/deactivation SCG状态下，终端设备不监听SCG的PDCCH，不与SN进行数据传输，但会对该SCG进行RRM测量并上报给网络侧。
下面采用各实施例，对存在终端设备的SCG为dormant SCG或suspend SCG或deactivation SCG的情况，如何更新终端设备的PSCell进行描述。
图2为本申请一实施例提供的辅小区组的主小区更新方法的流程图，如图2所示，本实施例的方法可以包括：
S201、终端设备确定需要将目标小区更新为终端设备的PSCell。其中，终端设备的当前SCG为挂起态，和/或，目标SCG的目标状态为挂起态，目标辅小区组的PSCell为目标小区。
其中，上述的挂起态(suspend态)也可以称为SCG睡眠态(dormant态)或者SCG去激活态(deactivation态)，为挂起态的SCG也可以称为dormant SCG或suspend SCG或deactivation SCG。本实施例中，将目标小区更新为终端设备的PSCell，可以是将当前SCG中的PSCell变更为目标小区；或者，可以是将目标小区添加为终端设备的PSCell，也就是终端设备添加一个SCG，该SCG中的PSCell为该目标小区。
在一种可能的实现方式中，终端设备接收网络设备发送的第三信息，该第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。该第三信息比如可以称为更新指示信息。终端设备根据第三信息确定需要将目标小区更新为所述终端设备的PSCell。可选的，第三信息中可以包括 用于指示目标SCG的目标状态为挂起态，目标辅小区组的PSCell为目标小区。
在另一种可能的实现方式中，终端设备进行RRM测量获得一个或多个备选小区(包括目标小区)的测量结果，评估各备选小区的测量结果是否满足终端设备更新PSCell的条件，如果满足，则确定终端设备需要更新终端设备的PSCell，并确定满足条件的备选小区为需要更新为终端设备的PSCell的目标小区。可选的，终端设备在评估各备选小区的测量结果是否满足终端设备更新PSCell的条件之前，还接收网络设备发送的第四信息，该第四信息用于指示终端设备更新PSCell的条件。该第四信息比如可以称为条件配置信息。其中，终端设备更新PSCell的条件包括：终端设备变更PSCell的条件和/或终端设备添加PSCell的条件。
在另一种可能的实现方式中，终端设备进行RRM测量获得一个或多个备选小区(包括目标小区)的测量结果，评估各备选小区的测量结果是否满足终端设备更新PSCell的条件，如果目标小区满足终端设备更新PSCell的条件，则终端设备向网络设备发送目标小区的标识信息。相应地，网络设备接收到目标小区的标识信息，获知该目标小区的测量结果满足终端设备更新PSCell的条件，从而确定终端设备需要将目标小区更新为终端设备的PSCell。网络设备再向终端设备发送第三信息，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。终端设备根据第三信息确定需要将目标小区更新为PSCell。可选的，在网络设备需激活终端设备的SCG时向终端设备发送第三信息。
S202、终端设备将目标小区更新为终端设备的PSCell。
本实施例中，终端设备的当前SCG为挂起态，或者，目标SCG的目标状态为挂起态，或者，终端设备的当前SCG为挂起态以及目标SCG的目标状态为挂起态，终端设备确定需将目标小区更新为终端设备的PSCell后，终端设备将目标小区更新为终端设备的PSCell。
本实施例提供的辅小区组的主小区更新方法，如果终端设备的当前SCG为挂起态，和/或，目标SCG的目标状态为挂起态，目标辅小区组的PSCell为目标小区，在终端设备确定需要将目标小区更新为终端设备的PSCell之后，终端设备将目标小区更新为终端设备的PSCell，所以为存在SCG为挂起态的情况下，终端设备如何更新终端设备的PSCell提供了解决方案。
在图2所示实施例的基础上，在一种可能的实现方式中，终端设备确定需将目标小区更新为终端设备PSCell后，终端设备应用目标小区所属目标SCG的配置，比如终端设备根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置，其中，该目标小区组的配置信息是终端设备从网络设备接收的。终端设备再与目标小区下行同步，以及接入目标小区，以建立所述终端设备与目标小区的通信连接，完成终端设备将目标小区更新为终端设备的PSCell。
图3为本申请另一实施例提供的辅小区组的主小区更新方法的流程图，如图3所示，本实施例的方法可以包括：
S301、终端设备确定需要将目标小区更新为终端设备的PSCell。其中，终端设备的当前SCG为挂起态，和/或，目标SCG的目标状态为挂起态，目标辅小区组的PSCell为目标小区。
S302、终端设备应用目标小区所属目标SCG的配置。
S303、终端设备与目标小区下行同步。
S304、终端设备接入目标小区。
S305、终端设备完成接入目标小区后，设置终端设备的SCG为挂起状态，或设置终端设备的SCG为激活态，或根据第一信息设置终端设备的SCG为目标状态。其中，第一信息用于指示终端设备的SCG为目标状态。
本实施例中，终端设备应用目标小区所属目标SCG的配置，再与目标小区下行同步以及触发随机接入过程接入目标小区。终端设备在完成接入目标小区后，终端设备设置终端设备的SCG(此时终端设备已更新目标小区为PSCell，所以该SCG也就是包含目标小区为PSCell的目标SCG)的状态，比如可以设置终端设备的SCG为挂起态，也就是将SCG设置为dormant/suspend/deactivation SCG。或者，终端设备设置终端设备的SCG为SCG激活态。或者，终端设备根据第一信息设置终端设备的SCG为目标状态，该第一信息用于指示终端设备的SCG为目标状态。若第一信息指示的目标状态为挂起态，则终端设备根据第一信息设置SCG为挂起态，若第一信息指示的目标状态为激活态，则终端设备根据第一信息设置SCG为激活态。
可选的，第一信息可以包括在终端设备接收来自网络设备的上述第三信息中，或者，第一信息可以包括在终端设备接收来自网络设备的上述第四信息中。
本实施例提供的辅小区组的主小区更新方法，若终端设备的当前SCG(也就是终端设备更新目标小区为PSCell之前终端设备的SCG)为dormant/suspend/deactivation SCG，则终端设备更新目标小区为PSCell后设置SCG为dormant/suspend/deactivation SCG，使得终端设备完成将目标小区更新为PSCell前后终端设备的SCG的状态相同；或者，则终端设备更新目标小区为PSCell后设置SCG为激活态，使得终端设备可以及时与新的SCG进行数据传输。或者，若终端设备接收到指示终端设备的SCG的目标状态的第一信息，则终端设备更新目标小区为PSCell后，根据第一信息设置SCG为目标状态，以保证SCG的状态与指示的目标状态一致。
可选的，在一种可能的实现方式中，在执行上述S302之前，还可以执行S302a：
S302a、终端设备激活终端设备的SCG。
本实施例中，终端设备在确定需将目标小区更新为终端设备的PSCell后，激活终端设备的SCG。在终端设备的SCG为激活态时，比如终端设备的当前SCG为激活态，或者，目标小区所属的目标SCG为激活态，终端设备再将目标小区更新为PSCell。保证终端设备的SCG为激活态再去执行将目标小区更新为PSCell。
可选的，在另一种可能的实现方式中，在执行上述S304之前，还包括S304a：
S304a、终端设备激活终端设备的SCG。
本实施例中，终端设备在确定需将目标小区更新为终端设备的PSCell后，应用目标小区所属目标SCG的配置，再与目标小区下行同步。在终端设备与目标小区下行同步后，终端设备激活终端设备的SCG，比如终端设备将当前SCG由挂起态变更为激活态，或者，将目标小区所属的目标SCG设置为激活态。在终端设备的SCG为激活态时，终端设备再接入目标小区，以完成将目标小区更新为PSCell。
可选的，终端设备可以在与目标小区下行同步后，直接激活终端设备的SCG，即在S303之后直接执行S304a。
可选的，终端设备在执行S304a之前，还包括S304b：
S304b、终端设备在与目标小区下行同步后，接收来自网络设备的第二信息。
本实施例中，终端设备在与目标小区下行同步后，终端设备暂时不接入目标小区，而是等网络设备向终端设备发送第二信息，如果终端设备接收到来自网络设备的第二信息，第二信息用于指示激活终端设备的SCG，则终端设备在执行上述S304a时是根据第二信息激活终端设备的SCG。然后终端设备再触发随机接入过程接入目标小区。因此，网络设备指示终端设备激活SCG表示终端设备可能需要通过SCG进行数据传输，终端设备再接入目标小区，保证能及时传输数据。
图4为本申请另一实施例提供的辅小区组的主小区更新方法的流程图，如图4所示，本实施例的方法可以包括：
S401、终端设备接收来自网络设备的第二信息。
本实施例中，终端设备的当前SCG为挂起态，和/或，目标SCG的目标状态为挂起态，目标辅小区组的PSCell为目标小区，网络设备生成第二信息，该第二信息用于指示激活终端设备的SCG。相应地，终端设备接收网络设备发送的第二信息。
S402、终端设备根据第二信息，激活终端设备的SCG。
本实施例中，终端设备接收到第二信息，激活终端设备的SCG。
可选的，网络设备在确定终端设备需要将目标小区更新为终端设备的PSCell之后，网络设备向终端设备发送第二信息，以使终端设备激活终端设备的SCG。
S403、终端设备接收来自网络设备的第三信息。
本实施例中，终端设备在激活终端设备的SCG之后，若网络设备确定终端设备需要将目标小区更新为终端设备的PSCell，网络设备向终端设备发送第三信息，所述第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。
可选的，第三信息可以携带在网络设备向终端设备发送的有关SCG的重配置消息中。
可选的，网络设备在确定终端设备需要将目标小区更新为终端设备的PSCell之后，向终端设备发送上述第三信息。可选的，终端设备向网络设备上报目标小区的标识信息，网络设备根据终端设备上报的目标小区的标识信息，确定终端设备需要将目标小区更新为终端设备的PSCell。可选的，终端设备确定目标小区的测量结果满足终端设备更新PSCell的条件后向网络设备上报目标小区的标识信息。
可选的，终端设备确定目标小区的测量结果满足终端设备更新PSCell的条件后向网络设备上报目标小区的标识信息。当网络设备要激活终端设备的SCG时，网络设备向终端设备先发送第二信息再向终端设备发送第三信息。
S404、终端设备根据第三信息确定需要将目标小区更新为终端设备的PSCell。
S405、终端设备将目标小区更新为终端设备的PSCell。
其中，S405可以参见上述相关实施例中的描述，此处不再赘述。
本实施例提供的辅小区组的主小区更新方法，网络设备指示终端设备激活SCG，然后在终端设备的SCG为激活态，网络设备再指示终端设备需要将目标小区更新为终端设备的PSCell，保证终端设备的SCG为激活态时将目标小区更新为终端设备的PSCell。
图5为本申请另一实施例提供的辅小区组的主小区更新方法的流程图，如图5所示，本实施例的方法可以包括：
S501、终端设备同时接收来自网络设备的第二信息和第三信息。
本实施例中，终端设备的当前SCG为挂起态，和/或，目标SCG的目标状态为挂起态，目标辅小区组的PSCell为目标小区，网络设备向终端设备发送第三信息，该第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。并且网络设备向终端设备发送第三信息的同时还向终端设备发送第二信息，第二信息用于指示激活终端设备的SCG。相应地，终端设备同时接收来自网络设备的第二信息和第三信息。
可选的，第二信息和第三信息携带在网络设备向终端设备发送的有关SCG的重配置消息中。
可选的，第二信息可以携带在网络设备向终端设备发送的MAC CE或DCI中。MAC CE或 DCI与第三信息可以位于同一TB中。
可选的，第二信息可以包括在第三信息中。具体的，网络设备向终端设备发送第三信息，该第三信息用于指示终端设备将目标小区更新为终端设备的PSCell，并且第三信息中包括第二信息，终端设备接收到来自网络设备的第三信息后，执行如下S502-S504。
在另一种可能的实现方式中，如果上述第三信息中包括用于指示包括目标小区为PSCell的目标SCG为激活态的信息，该信息可以认为是指示激活终端设备的SCG的第二信息。具体的，网络设备向终端设备发送第三信息，该第三信息用于指示终端设备将目标小区更新为终端设备的PSCell，第三信息中不包括第二信息，而是包括用于指示包括目标小区为PSCell的SCG为激活态的信息。终端设备接收到来自网络设备的第三信息后，根据第三信息中指示上述目标SCG为激活态的信息，激活终端设备的SCG，以及执行如下S503-S504。
可选的，在上述S501的一种可能的替换方式中，网络设备向终端设备发送第三信息，该第三信息用于指示终端设备将目标小区更新为终端设备的PSCell，第三信息中不包括第二信息。终端设备接收到来自网络设备的第三信息后，终端设备根据第三信息，可以认为需要激活终端设备的SCG，然后激活终端设备的SCG以及执行如下S503-S504。
可选的，网络设备在确定终端设备需要将目标小区更新为终端设备的PSCell之后，向终端设备发送上述第三信息和上述第二信息。可选的，终端设备向网络设备上报目标小区的标识信息，网络设备根据终端设备上报的目标小区的标识信息，确定终端设备需要将目标小区更新为终端设备的PSCell。可选的，终端设备确定目标小区的测量结果满足终端设备更新PSCell的条件后向网络设备上报目标小区的标识信息。
可选的，终端设备确定目标小区的测量结果满足终端设备更新PSCell的条件后向网络设备上报目标小区的标识信息。当网络设备要激活终端设备的SCG时，网络设备向终端设备发送第二信息并同时向终端设备发送第三信息。
S502、终端设备根据第二信息，激活终端设备的SCG。
S503、终端设备根据第三信息确定需要将目标小区更新为终端设备的PSCell。
其中，S502和S503的执行顺序可不做限定。
S504、终端设备将目标小区更新为终端设备的PSCell。
本实施例提供的辅小区组的主小区更新方法，网络设备在指示终端设备将目标小区更新为终端设备的PSCell的同时指示终端设备激活SCG，保证终端设备的SCG为激活态时将目标小区更新为终端设备的PSCell。
在上述图4或图5所示实施例的基础上，可选的，该第三信息包括在终端接收来自网络设备的第五信息中，第五信息用于指示目标小区所属目标小区组的配置信息。具体地，终端设备接收网络设备发送的第五信息，该第五信息中包括上述的第三信息，或者，终端设备同时接收第五信息和第三信息，则终端设备在将目标小区更新为终端设备的PSCell的过程中，终端设备根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置，再与目标小区下行同步以及接入该目标小区。可选的，该第五消息携带在网络设备向终端设备发送的有关SCG的重配置消息中。
图6为本申请另一实施例提供的辅小区组的主小区更新方法的流程图，如图6所示，本实施例的方法可以包括：
S601、终端设备接收来自网络设备的第五信息。
本实施例中，终端设备的当前SCG为挂起态，网络设备向终端设备发送第五信息，该第五信息用于指示目标小区所属目标小区组的配置信息。
其中，该第五信息中不包括第三信息，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。或者，终端设备接收来自网络设备的第五信息的同时未接收到来自网络设备的第三信息。
S602、终端设备根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置。
本实施例中，由于终端设备接收到的第五信息中不包括第三信息，或者，终端设备在接收到第五信息时未接收到第三信息，则终端设备根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置。终端设备还继续维持SCG为挂起态。
本实施例提供的辅小区组的主小区更新方法，终端设备接收的第五信息中不包括上述第三信息时，终端设备根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置并维持终端设备的SCG为挂起态。
图7为本申请另一实施例提供的辅小区组的主小区更新方法的流程图，如图7所示，终端设备的当前SCG为挂起态，本实施例的方法可以包括：
S701、终端设备在接收到第二信息之前，停止评估目标小区的测量结果是否满足终端设备更新PSCell的条件。
本实施例中，终端设备的当前SCG为挂起态，终端设备停止评估目标小区的测量结果是否满足终端设备更新PSCell的条件。在终端设备接收到第二信息之前，终端设备维持不评估目标小区的测量结果是否满足终端设备更新PSCell的条件。
S702、终端设备接收来自网络设备的第二信息。
本实施例中，网络设备确定需要激活终端设备的SCG时，向终端设备发送第二信息，第二信息用于指示激活终端设备的SCG。相应地，终端设备接收网络设备发送的第二信息。
S703、终端设备根据第二信息激活终端设备的SCG。
本实施例中，终端设备在接收到来自网络设备的第二信息后，根据第二信息激活终端设备的SCG，比如将终端设备的当前SCG由挂起态变更为激活态。
S704、终端设备评估目标小区的测量结果是否满足终端设备更新PSCell的条件，若是，则确定需要将目标小区更新为终端设备的PSCell。
本实施例中，在终端设备的SCG为激活态，则终端设备评估各备选小区(包括目标小区)的测量结果是否满足终端设备更新PSCell的条件，如果评估目标小区的测量结果满足终端设备更新PSCell的条件，则终端设备确定需要将目标小区更新为终端设备的PSCell。
S705、终端设备将目标小区更新为终端设备的PSCell。
本实施例中，S705可以参见上述相关实施例中的描述，此处不再赘述。
本实施例提供的辅小区组的主小区更新方法，在终端设备的SCG未激活前，终端设备停止评估目标小区的测量结果是否满足终端设备更新PSCell的条件，直到网络设备指示终端设备激活终端设备的SCG时，终端设备激活SCG并开始评估目标小区的测量结果是否满足终端设备更新PSCell的条件。如果终端设备根据评估结果确定需要将目标小区更新为终端设备的PSCell，则将目标小区更新为终端设备的PSCell。以保证终端设备的SCG为激活态时完成将目标小区更新为终端设备的PSCell。
可选的，在图4-图7任一实施例的基础上，终端设备将目标小区更新为终端设备的PSCell之后，设置终端设备的SCG为挂起态，或设置终端设备的SCG为激活态，或根据第一信息设置终端设备的SCG为目标状态，第一信息用于指示终端设备的SCG为目标状态。下面采用几个具体的实施方案对本申请进行描述，以终端设备为UE作为例子描述。
当UE配置了dormant/suspend/deactivation SCG时，表示UE的当前SCG为dormant/suspend/deactivation态，可以采用如下实施方案1-实施方案3分别进行说明。
实施方案1：UE收到网络侧发送的重配置消息中不带有同步重配置消息。
步骤1.1：网络侧为UE配置了2个节点，1个主节点(MN)，1个辅节点(SN)，其中SN侧的SCG的状态为dormant/suspend/deactivation态。
步骤1.2：网络侧(比如MN)给UE发送重配置消息，该重配置消息是有关SCG的重配置消息。
步骤1.3：UE接收到网络侧发送的重配置消息中不带有SCG的同步重配置消息时，该SCG的同步重配置消息用于指示更新PSCell(PSCell change或PSCell addition)。UE应用新配置，比如UE根据重配置消息中的配置信息，应用新配置。并且终端设备维持SCG在dormant/suspend/deactivation态。
本实施方案中，网络设备在终端设备的SCG为dormant/suspend/deactivation态时，不向终端设备发送指示终端设备更新PSCell的命令。在终端设备的SCG为激活态时，网络设备才会指示终端设备进行PSCell change或PSCell addition。
实施方案2：UE接收到网络侧发送的重配置消息中带有PSCell change命令，该PSCell change命令指示终端设备变更终端设备的PSCell。
步骤2.1：网络侧为UE配置了2个节点，1个主节点(MN)，1个辅节点(SN)，其中SN侧的SCG状态为dormant/suspend/deactivation态。
步骤2.2：网络侧(比如MN)给UE发送重配置消息。
步骤2.3：UE接收到网络侧发送的重配置消息中带有SCG侧的PSCell change命令，其中，UE执行PSCell change之后的PSCell可称为目标小区。UE执行PSCell change过程包括以下几种实现方式：
在第一种可能的实现方式中，UE应用新配置，完成与目标小区的下行同步，但是UE对该目标小区不立即执行随机接入过程，而是等网络侧激活UE的SCG时再执行随机接入过程，从而完成PSCell change过程。
在第二种可能的实现方式中，UE应用新配置，完成与目标小区的下行同步且立即对该目标小区执行随机接入过程。在UE随机接入目标小区后将UE的SCG置为dormant/suspend/deactivation态。
在第三种可能的实现方式中，UE应用新配置，完成与目标小区的下行同步且立即对目标小区执行随机接入过程，以及激活UE的SCG。所以在UE完成PSCell change后，终端设备SCG为激活态。
在第四种可能的实现方式中，UE先激活UE的当前SCG，使SCG为激活态，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程。在UE完成随机接入过程后，将UE的SCG重新置为dormant/suspend/deactivation态。所以使UE在接收PSCell change命令时与完成PSCell change之后，UE的SCG的状态相同。
在第五种可能的实现方式中，UE先激活UE的当前SCG，使SCG为激活态，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程，然后维持UE的SCG为激活态。所以虽然UE在接收到PSCell change命令时SCG为dormant/suspend/deactivation态，但UE在完成PSCell change后，UE的SCG为激活态。
在第六种可能的实现方式中，UE先激活UE的当前SCG，使SCG为激活态，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程。如果PSCell change命令中指示SCG(包含目标小区为PSCell的SCG)为dormant/suspend/deactivation态，则UE完成随机接入过程后将SCG重新置为dormant/suspend/deactivation态。如果PSCell change命令中指示SCG(包含目标小区为PSCell的SCG)为激活态，则UE完成随机接入过程后将SCG置为激活态。因此，UE完成PSCell change后SCG的状态与PSCell change命令中指示的目标状态相同。
在第七种可能的实现方式中，上述的PSCell change命令伴随有激活SCG的命令，例如激活SCG的命令与PSCell change命令在同一个TB块中且携带在MAC CE或DCI中；UE按照激活SCG的命令激活SCG，并执行PSCell change过程，比如UE应用新配置，完成与目标小区的下行同步且立即对该目标小区执行随机接入过程。
在第八种可能的实现方式中，网络侧在向UE发送PSCell change命令之前，先激活UE的当前SCG。在UE的当前SCG为激活态时，网络侧再向UE发送PSCell change命令；即不允许UE的SCG为dormant/suspend/deactivation态时网络侧向UE发送PSCell change命令。
实施方案3：UE满足条件切换的配置条件(UE变更PSCell的条件)而触发条件PSCell变更(conditional PSCell change)。
步骤3.1：网络侧为UE配置了2个节点，1个主节点(MN)，1个辅节点(SN)，其中SN侧的SCG状态为dormant/suspend/deactivation态。网络侧为UE配置条件PSCell变更(conditional PSCell change，CPC)的配置条件信息，其中配置的信息中包含至少一个备选小区。然后执行步骤3.2a和步骤3.3a，或者，执行步骤3.2b。
步骤3.2a：UE执行CPC的小区测量评估，也就是评估上述至少一个备选小区的测量结果是否满足conditional PSCell change的执行条件。其中存在一个或多个备选小区(下述称为目标小区)的测量结果评估满足conditional PSCell change的执行条件。
步骤3.3a：UE触发SN侧的conditional PSCell change，SN侧的conditional PSCell change过程包括以下几种实现方式：
在第一种可能的实现方式中，UE应用新配置，完成与目标小区的下行同步，但是UE对该目标小区不立即执行随机接入过程，而是等网络侧激活UE的SCG时再执行随机接入过程，从而完成conditional PSCell change。
在第二种可能的实现方式中，UE应用新配置，完成与目标小区的下行同步且立即对该目标小区执行随机接入过程。在UE随机接入目标小区后将UE的SCG置为dormant/suspend/deactivation态。
在第三种可能的实现方式中，UE应用新配置，完成与目标小区的下行同步且立即对该目标小区执行随机接入过程，以及激活UE的SCG。所以在UE完成PSCell change后，终端设备SCG为激活态。
在第四种可能的实现方式中，UE先激活UE的当前SCG，使SCG为激活态，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程。在UE完成随机接入过程 后，将UE的SCG重新置为dormant/suspend/deactivation态。
在第五种可能的实现方式中，UE先激活UE的当前SCG，使SCG为激活态，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程，然后维持UE的SCG为激活态。
在第六种可能的实现方式中，UE先激活UE的当前SCG，使SCG为激活态，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程。如果conditional PSCell change配置中配置了目标SCG(包含目标小区为PSCell的SCG)为dormant/suspend/deactivation态，则UE完成随机接入过程后将SCG重新置为dormant/suspend/deactivation态。如果conditional PSCell change配置中配置了目标SCG为激活态，则UE完成随机接入过程后将SCG置为激活态。
在第七种可能的实现方式中，UE不执行conditional PSCell change过程，等UE的当前SCG恢复激活态后再进行conditional PSCell change过程。比如等网络侧激活UE的当前SCG后，UE再执行conditional PSCell change过程。
在第八种可能的实现方式中，UE将测量结果评估满足conditional PSCell change的执行条件的目标小区的小区标识信息上报给网络侧，由网络侧做决策。
步骤3.2b：UE不执行上述的CPC的小区测量评估，而是等UE的当前SCG恢复激活态后再进行CPC的小区测量评估，评估上述至少一个备选小区的测量结果是否满足PSCell change的执行条件，以决定是否执行conditional PSCell change。
上述实施方案2-3说明了UE的当前SCG为dormant/suspend/deactivation态，进行PSCell change的过程。
下述为当目标SCG(包含目标小区为PSCell的SCG)配置了dormant/suspend/deactivation SCG，表示目标SCG的目标状态为dormant/suspend/deactivation态，可以采用如下实施方案4-实施方案7分别进行说明。
实施方案4：UE接收到网络侧发送的重配置消息中带有PSCell change命令。
步骤4.1：网络侧为UE配置了2个节点，1个主节点(MN)，1个辅节点(SN)。
步骤4.2：网络侧(比如MN)给UE发送重配置消息，重配置消息中携带有PSCell change命令。
步骤4.3：UE接收到网络侧发送的PSCell change命令，其中，UE执行PSCell change之后的PSCell可称为目标小区。UE执行PSCell change过程包括以下几种实现方式：
在第一种可能的实现方式中，UE应用新配置，如果PSCell change命令中指示目标SCG(包含目标小区为PSCell的SCG)为dormant/suspend/deactivation态，则UE完成与目标小区的下行同步，但是UE对目标小区不立即执行随机接入过程，而是等网络侧激活UE的目标SCG时再执行随机接入过程，从而完成PSCell change过程。
在第二种可能的实现方式中，UE应用新配置。如果PSCell change命令中指示目标SCG为dormant/suspend/deactivation态，则UE完成与目标小区的下行同步且对目标小区立即执行随机接入过程，再将UE的SCG(上述的目标SCG)置为dormant/suspend/deactivation态。如果PSCell change命令中指示目标SCG为激活态，则UE完成与目标小区的下行同步且对目标小区立即执行随机接入过程，并激活UE的SCG。
在第三种可能的实现方式中，如果UE的当前SCG为dormant/suspend/deactivation态，则UE先激活当前SCG，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接 入过程。如果PSCell change命令中指示目标SCG为dormant/suspend/deactivation态，则UE完成随机接入过程后将UE的目标SCG置为dormant/suspend/deactivation态。如果PSCell change命令中指示目标SCG为激活态，则UE完成随机接入过程后将UE的目标SCG维持在激活态。
在第四种可能的实现方式中，如果PSCell change命令中指示目标SCG为dormant/suspend/deactivation态，则UE不根据上述重配置消息执行PSCell change过程，而是等网络侧激活SCG(该SCG可以是目标SCG，或者，当前SCG)时，再根据重配置消息执行PSCell change。
实施方案5：UE满足条件切换的配置条件(UE变更PSCell的条件)而触发条件PSCell变更(conditional PSCell change)。
步骤5.1：网络侧为UE配置了2个节点，1个主节点(MN)，1个辅节点(SN)；网络侧为UE配置CPC，其中配置的信息中包含至少一个备选小区。
步骤5.2：UE执行CPC的小区测量评估，其中存在一个或多个备选小区(下述称为目标小区)的测量结果评估满足conditional PSCell change的执行条件。
步骤5.3：UE触发SN侧的conditional PSCell change，SN侧的conditional PSCell change过程包括以下几种实现方式：
在第一种可能的实现方式中，UE应用新配置，如果conditional PSCell change配置中配置目标SCG(包含目标小区为PSCell的SCG)为dormant/suspend/deactivation态，则UE完成与目标小区的下行同步，但是UE对目标小区不立即执行随机接入过程，而是等网络侧激活UE的SCG时再执行随机接入过程，从而完成conditional PSCell change过程。
在第二种可能的实现方式中，UE应用新配置。如果conditional PSCell change配置中配置目标SCG为dormant/suspend/deactivation态，则UE完成与目标小区的下行同步且对目标小区立即执行随机接入过程，再将UE的目标SCG置为dormant/suspend/deactivation态。如果conditional PSCell change配置中配置目标SCG为激活态，则UE完成与目标小区的下行同步且对目标小区立即执行随机接入过程，再将UE的目标SCG置为激活态。
在第三种可能的实现方式中，如果UE的当前SCG为dormant/suspend/deactivation态，则UE先激活SCG，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程。如果conditional PSCell change配置中配置了目标SCG为dormant/suspend/deactivation态，则UE完成随机接入过程后将UE的目标SCG置为dormant/suspend/deactivation态。如果conditional PSCell change配置中配置了目标SCG为激活态，则UE完成随机接入过程后将UE的目标SCG置为激活态。
在第四种可能的实现方式中，如果conditional PSCell change配置中配置了目标SCG状态为dormant/suspend/deactivation态，则UE不执行conditional PSCell change过程，而是等网络侧激活SCG(该SCG可以是目标SCG，或者，当前SCG)时再执行conditional PSCell change。
在第五种可能的实现方式中，UE将测量结果评估满足conditional PSCell change的执行条件的目标小区的小区标识信息上报给网络侧，由网络侧做决策。
实施方案6：UE接收到网络侧发送的重配置消息中带有PSCell添加命令(PSCell addition命令)。
步骤6.1：网络侧为UE配置了1个主节点(MN)。
步骤6.2：网络侧(比如MN)给UE发送重配置消息，重配置消息中携带有PSCell addition命令。
步骤6.3：UE接收到网络侧发送的PSCell addition命令，其中，UE进行PSCell addition过程包括以下几种实现方式：
在第一种可能的实现方式中，UE应用新配置，如果PSCell addition命令中指示添加的SCG(包含目标小区为PSCell的SCG)为dormant/suspend/deactivation态，则UE完成与目标小区的下行同步，但是UE对目标小区不立即执行随机接入过程，而是等网络侧激活新添加的SCG时再执行随机接入过程。
在第二种可能的实现方式中，UE应用新配置。如果PSCell addition命令中指示添加的SCG为dormant/suspend/deactivation态，则UE完成与目标小区的下行同步且对目标小区立即执行随机接入过程，再将UE新添加的SCG置为dormant/suspend/deactivation态。如果PSCell addition命令中指示添加的SCG为激活态，则UE完成与目标小区的下行同步且对目标小区立即执行随机接入过程，再将UE新添加的SCG置为激活态。
在第三种可能的实现方式中，UE激活添加的SCG，再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程。如果PSCell addition命令中指示添加的SCG为dormant态，则UE完成随机接入过程后将UE的SCG置为dormant态。如果PSCell addition命令中指示添加的SCG为激活态，则UE完成随机接入过程后将UE的SCG维持在激活态。
在第四种可能的实现方式中，如果PSCell addition命令中指示添加的SCG状态为dormant/suspend/deactivation态，则UE不根据上述重配置消息执行PSCell addition过程，而是等网络侧激活SCG(该SCG是待添加的SCG)时，再根据重配置消息执行PSCell addition。
实施方案7：UE满足条件添加的配置条件(UE添加PSCell的条件)而触发条件PSCell添加(conditional PSCell addition)
步骤7.1：网络侧为UE配置了1个主节点(MN)；网络侧为UE配置条件PSCell addition(conditional PSCell addition)的配置条件，其中配置的信息中包含至少一个备选小区。
步骤7.2：UE执行conditional PSCell addition的小区测量评估，其中存在一个或多个备选小区(下述称为目标小区)的测量评估满足conditional PSCell addition的执行条件。
步骤7.3：UE触发conditional PSCell addition，conditional PSCell addition过程包括以下几种实现方式：
在第一种可能的实现方式中，UE应用新配置，如果conditional PSCell addition配置中配置添加的SCG(包含目标小区为PSCell的SCG)为dormant/suspend/deactivation态，则UE完成与目标小区的下行同步，但是UE对目标小区不立即执行随机接入过程，而是等网络侧激活UE的新添加的SCG时再执行随机接入过程，从而完成conditional PSCell change过程。
在第二种可能的实现方式中，UE应用新配置。如果conditional PSCell addition配置中配置添加的SCG为dormant/suspend/deactivation态，则UE完成与目标小区的下行同步且立即执行随机接入过程，再将UE的添加的SCG置为dormant/suspend/deactivation态。如果conditional PSCell addition配置中配置添加的SCG为激活态，则UE完成与目标小区的下行同步且立即执行随机接入过程，再将UE新添加的SCG置为激活态。
在第三种可能的实现方式中，UE激活添加的SCG，UE再应用新配置，完成与目标小区的下行同步并立即对目标小区执行随机接入过程。如果conditional PSCell addition配置中配置了添加的SCG为dormant态，则UE完成随机接入过程后将UE的SCG置为dormant态。如果conditional PSCell addition配置中配置了添加的SCG为激活态，则UE完成随机接入过程后将UE的SCG维 持在激活态。
在第四种可能的实现方式中，如果conditional PSCell addition配置中配置了添加的SCG状态为dormant/suspend/deactivation态，则不执行conditional PSCell addition过程，而是等网络侧激活待添加的SCG时再执行conditional PSCell addition。
在第五种可能的实现方式中，UE将测量结果评估满足conditional PSCell addition的执行条件的目标小区的小区标识信息上报给网络侧，由网络侧做决策。
通过上述各实施方案可知，针对多连接场景，UE的当前SCG为dormant/suspend/deactivation态，当UE需要进行PSCell change或PSCell addition，UE可以接入目标小区(变更或添加为PSCell)后将SCG置为dormant/suspend/deactivation态，或者，等待网络侧激活UE的SCG后再触发接入目标小区。或者，UE的目标SCG(包含目标小区为PSCell的SCG)配置为dormant/suspend/deactivation态，当UE需要进行PSCell change或PSCell addition或conditional PSCell addition/change，UE可以接入目标小区后将SCG置为dormant/suspend/deactivation态或待网络激活SCG后再触发接入目标小区。
在终端侧，本申请实施例提供了一种辅小区组的主小区更新装置，如图8所示，本实施例的辅小区组的主小区更新装置800可以为终端设备，辅小区组的主小区更新装置800可以包括收发机801、处理器802和存储器803。
收发机801，用于在处理器802的控制下接收和发送数据。其中，在图8中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器802代表的一个或多个处理器和存储器803代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机801可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元，这些传输介质包括，这些传输介质包括无线信道、有线信道、光缆等传输介质。可选的，辅小区组的主小区更新装置800还可以包括用户接口804，针对不同的用户设备，用户接口804还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器802负责管理总线架构和通常的处理，存储器803可以存储处理器802在执行操作时所使用的数据。
可选的，处理器802可以是中央处埋器(central processing unit，CPU)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现场可编程门阵列(Field－Programmable Gate Array，FPGA)或复杂可编程逻辑器件(Complex Programmable Logic Device，CPLD)，处理器也可以采用多核架构。处理器802通过调用存储器803存储的计算机程序，用于按照获得的可执行指令执行本申请实施例提供的有关终端设备的任一所述方法。处理器与存储器也可以物理上分开布置。具体的，处理器802用于执行如下操作：确定需要将目标小区更新为终端设备的PSCell，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；将目标小区更新为终端设备的PSCell。
可选的，将目标小区更新为终端设备的PSCell，包括：应用目标小区所属目标辅小区组的配置；与目标小区下行同步；接入目标小区。
可选的，接入目标小区，包括：触发随机接入过程接入目标小区；处理器802还执行如下操作：完成接入目标小区后，设置终端设备的辅小区组为挂起态，或设置终端设备的辅小区组为激 活态，或根据第一信息设置终端设备的辅小区组为目标状态，第一信息用于指示终端设备的辅小区组为目标状态。
可选的，处理器802还执行如下操作：将目标小区更新为终端设备的PSCell之前，激活终端设备的辅小区组；或者，接入目标小区之前，激活终端设备的辅小区组。
可选的，接入目标小区，包括：在与目标小区下行同步后，接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；根据第二信息，激活终端设备的辅小区组，并触发随机接入过程接入目标小区。
可选的，处理器802还执行如下操作：在确定需要将目标小区更新为终端设备的PSCell之前，接收来自网络设备的第二信息；或将目标小区更新为终端设备的PSCell之前，在接收来自网络设备的第三信息之时，同时接收到来自网络设备的第二信息；其中，第二信息用于指示激活终端设备的辅小区组，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；根据第二信息，激活终端设备的辅小区组。
可选的，确定需要将目标小区更新为终端设备的PSCell，包括：接收来自网络设备的第三信息，并根据第三信息确定需要将目标小区更新为终端设备的PSCell，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；或者，接收来自网络设备的第四信息，第四信息用于指示终端设备更新PSCell的条件若评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
可选的，终端设备接收到来自网络设备的用于指示终端设备更新PSCell的条件的第四信息，相应地，确定需要将目标小区更新为终端设备的PSCell，包括：上报目标小区的小区标识信息给网络设备。
可选的，处理器802还执行如下操作：接收来自网络设备的第五信息，第五信息用于指示目标小区所属目标小区组的配置信息；若第五信息中不包括第三信息，则根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置。
可选的，终端设备的当前辅小区组为挂起态，处理器802还执行如下操作：确定需要将目标小区更新为终端设备的PSCell之前，接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；其中，在接收到第二信息之前，停止评估目标小区的测量结果是否满足终端设备更新PSCell的条件；在接收来自网络设备的第二信息后，根据第二信息激活终端设备的辅小区组，以及评估目标小区的测量结果是否满足终端设备更新PSCell的条件；确定需要将目标小区更新为终端设备的PSCell，包括：若评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
在此需要说明的是，本申请提供的上述装置，能够实现上述方法实施例中终端设备所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
在网络侧，本申请实施例提供了一种辅小区组的主小区更新装置，如图9所示，本实施例的辅小区组的主小区更新装置900可以为网络设备，辅小区组的主小区更新装置900包括：收发机901、处理器902和存储器903。
收发机901，用于在处理器902的控制下接收和发送数据。其中，在图9中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器902代表的一个或多个处理器和存储器903代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类 的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机901可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元，这些传输介质包括无线信道、有线信道、光缆等传输介质。处理器902负责管理总线架构和通常的处理，存储器903可以存储处理器902在执行操作时所使用的数据。
处理器902可以是CPU、ASIC、FPGA或CPLD，处理器也可以采用多核架构。处理器902通过调用存储器903存储的计算机程序，用于按照获得的可执行指令执行本申请实施例提供的有关网络设备的任一所述方法。处理器与存储器也可以物理上分开布置。具体的，处理器902用于执行如下操作：生成第二信息，第二信息用于指示激活终端设备的辅小区组，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；向终端设备发送第二信息。
可选的，处理器902还执行如下操作：向终端设备发送第一信息，第一信息用于指示终端设备将目标小区更新为终端的PSCell后终端设备的辅小区组为目标状态。
可选的，处理器902还执行如下操作：生成第二信息之前，确定终端设备需要将目标小区更新为终端设备的PSCell。
可选的，处理器902还执行如下操作：在向终端设备发送第二信息之时，同时向终端设备发送第三信息；或者，在向终端设备发送第二信息之后，向终端设备发送第三信息；其中，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。
可选的，处理器902还执行如下操作：确定终端设备需要将目标小区更新为终端设备的PSCell之前，接收终端设备上报的目标小区的小区标识信息；确定终端设备需要将目标小区更新为终端设备的PSCell，包括：根据目标小区的小区标识信息，确定将目标小区更新为终端设备的PSCell。可选的，处理器902还执行如下操作：向终端设备发送第二信息之前，向终端设备发送第四信息，第四信息用于指示终端设备更新PSCell的条件。在此需要说明的是，本申请提供的上述装置，能够实现上述方法实施例中网络设备所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
在终端侧，本申请实施例还提供了一种辅小区组的主小区更新装置，如图10所示，本实施例的辅小区组的主小区更新装置1000可以为终端设备，辅小区组的主小区更新装置1000包括：确定单元1001和处理单元1002。
确定单元1001，用于确定需要将目标小区更新为终端设备的PSCell，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区；处理单元1002，用于将目标小区更新为终端设备的PSCell。
可选的，处理单元1002，具体用于：应用目标小区所属目标辅小区组的配置；与目标小区下行同步；接入目标小区。
可选的，接入目标小区，包括：触发随机接入过程接入目标小区。处理单元1002还用于：完成接入目标小区后，设置终端设备的辅小区组为挂起态，或设置终端设备的辅小区组为激活态，或根据第一信息设置终端设备的辅小区组为目标状态，第一信息用于指示终端设备的辅小区组为目标状态。
可选的，处理单元1002，还用于在将目标小区更新为终端设备的PSCell之前，激活终端设备的辅小区组；或者，处理单元1002还用于在接入目标小区之前，激活终端设备的辅小区组。
可选的，接入目标小区，包括：在与目标小区下行同步后，接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；根据第二信息，激活终端设备的辅小区组，并触发随机接入过程接入目标小区。
可选的，本实施例的辅小区组的主小区更新装置1000还包括接收单元1003。接收单元1003，用于在处理单元1002确定需要将目标小区更新为终端设备的PSCell之前，接收来自网络设备的第二信息；或在处理单元将目标小区更新为终端设备的PSCell之前，在接收来自网络设备的第三信息之时，同时接收到来自网络设备的第二信息；其中，第二信息用于指示激活终端设备的辅小区组，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；处理单元1002，还用于根据第二信息，激活终端设备的辅小区组。
可选的，确定单元1001，具体用于：接收来自网络设备的第三信息，并根据第三信息确定需要将目标小区更新为终端设备的PSCell，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell；或者，接收来自网络设备的第四信息，第四信息用于指示终端设备更新PSCell的条件，若评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
可选的，终端设备接收到来自网络设备的用于指示终端设备更新PSCell的条件的第四信息，相应地，确定需要将目标小区更新为终端设备的PSCell，包括：上报目标小区的小区标识信息给网络设备。
可选的，本实施例的辅小区组的主小区更新装置1000还包括接收单元1003。接收单元1003，用于接收来自网络设备的第五信息，第五信息用于指示目标小区所属目标小区组的配置信息；处理单元1002，还用于若第五信息中不包括第三信息，则终端设备根据目标小区所属目标小区组的配置信息，应用目标小区所属目标小区组的配置。
可选的，本实施例的辅小区组的主小区更新装置1000还包括接收单元1003。终端设备的当前辅小区组为挂起态，接收单元1003，还用于在确定单元1001确定需要将目标小区更新为终端设备的PSCell之前，接收来自网络设备的第二信息，第二信息用于指示激活终端设备的辅小区组；其中，处理单元1002在接收单元接收到第二信息之前，停止评估目标小区的测量结果是否满足终端设备更新PSCell的条件；处理单元1002，还用于在接收单元1003接收来自网络设备的第二信息后，根据第二信息激活终端设备的辅小区组，以及评估目标小区的测量结果是否满足终端设备更新PSCell的条件；确定单元1001，具体用于：若处理单元评估目标小区的测量结果满足终端设备更新PSCell的条件，则确定需要将目标小区更新为终端设备的PSCell。
在此需要说明的是，本申请提供的上述装置，能够实现上述方法实施例中终端设备所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
在网络侧，本申请实施例还提供了一种辅小区组的主小区更新装置，如图11所示，本实施例的辅小区组的主小区更新装置1100可以为网络设备，辅小区组的主小区更新装置1100包括：处理单元1101和发送单元1102。处理单元1101，用于生成第二信息，第二信息用于指示激活终端设备的辅小区组，其中，终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，目标辅小区组的PSCell为目标小区。发送单元1102，用于向终端设备发送第二信息。
可选的，发送单元1102，还用于向终端设备发送第一信息，第一信息用于指示终端设备将目标小区更新为终端的PSCell后终端设备的辅小区组为目标状态。
可选的，处理单元1101，还用于在生成第二信息之前，确定终端设备需要将目标小区更新为终端设备的PSCell。
可选的，发送单元1102，还用于：在向终端设备发送第二信息之时，同时向终端设备发送第三信息；或者，在向终端设备发送第二信息之后，向终端设备发送第三信息。其中，第三信息用于指示终端设备将目标小区更新为终端设备的PSCell。
可选的，本实施例的辅小区组的主小区更新装置1100还包括接收单元1103。接收单元1103，用于在处理单元1101确定终端设备需要将目标小区更新为终端设备的PSCell之前，接收终端设备上报的目标小区的小区标识信息；确定终端设备需要将目标小区更新为终端设备的PSCell，包括：根据目标小区的小区标识信息，确定将目标小区更新为终端设备的PSCell。
可选的，发送单元1102，还用于向终端设备发送第四信息，第四信息用于指示终端设备更新PSCell的条件。在此需要说明的是，本申请提供的上述装置，能够实现上述方法实施例中网络设备所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
需要说明的是，本申请实施例中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个处理器可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
终端侧，本申请实施例提供了一种处理器可读存储介质，处理器可读存储介质存储有计算机程序，计算机程序用于使处理器执行本申请实施例提供的有关终端设备的任一所述方法。使处理器能够实现上述方法实施例中终端设备所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
网络侧，本申请实施例提供了一种处理器可读存储介质，处理器可读存储介质存储有计算机程序，计算机程序用于使处理器执行本申请实施例提供的有关网络设备的任一所述方法。使处理器能够实现上述方法实施例中网络设备所实现的所有方法步骤，且能够达到相同的技术效果，在此不再对本实施例中与方法实施例相同的部分及有益效果进行具体赘述。
所述处理器可读存储介质可以是处理器能够存取的任何可用介质或数据存储设备，包括但不限于磁性存储器(例如软盘、硬盘、磁带、磁光盘(MO)等)、光学存储器(例如CD、DVD、BD、HVD等)、以及半导体存储器(例如ROM、EPROM、EEPROM、非易失性存储器(NAND FLASH)、固态硬盘(SSD))等。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括 但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本申请是参照根据本申请实施例的方法、装置、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机可执行指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机可执行指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些处理器可执行指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的处理器可读存储器中，使得存储在该处理器可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些处理器可执行指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (35)

  1. 一种辅小区组的主小区更新方法，其特征在于，所述方法包括：
    终端设备确定需要将目标小区更新为所述终端设备的辅小区组的主小区PSCell，其中，所述终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，所述目标辅小区组的PSCell为所述目标小区；所述终端设备将所述目标小区更新为所述终端设备的PSCell。
  2. 根据权利要求1所述的方法，其特征在于，所述终端设备将所述目标小区更新为所述终端设备的PSCell，包括：所述终端设备应用所述目标小区所属目标辅小区组的配置；所述终端设备与所述目标小区下行同步；所述终端设备接入所述目标小区。
  3. 根据权利要求2所述的方法，其特征在于，所述终端设备接入所述目标小区，包括：所述终端设备触发随机接入过程接入所述目标小区；
    所述方法还包括：所述终端设备完成接入所述目标小区后，设置所述终端设备的辅小区组为挂起态，或设置所述终端设备的辅小区组为激活态，或根据第一信息设置所述终端设备的辅小区组为目标状态，所述第一信息用于指示所述终端设备的辅小区组为目标状态。
  4. 根据权利要求2或3所述的方法，其特征在于，所述终端设备将所述目标小区更新为所述终端设备的PSCell之前，还包括：所述终端设备激活所述终端设备的辅小区组；或者，所述终端设备接入所述目标小区之前，还包括：所述终端设备激活所述终端设备的辅小区组。
  5. 根据权利要求2所述的方法，其特征在于，所述终端设备接入所述目标小区，包括：所述终端设备在与所述目标小区下行同步后，接收来自网络设备的第二信息，所述第二信息用于指示激活所述终端设备的辅小区组；所述终端设备根据所述第二信息，激活所述终端设备的辅小区组，并触发随机接入过程接入所述目标小区。
  6. 根据权利要求1-3任一项所述的方法，其特征在于，所述终端设备将所述目标小区更新为所述终端设备的PSCell之前，还包括：在所述终端设备确定需要将目标小区更新为所述终端设备的PSCell之前，所述终端设备接收来自网络设备的第二信息；或在所述终端设备接收来自网络设备的第三信息之时，所述终端设备同时接收到来自网络设备的第二信息；其中，所述第二信息用于指示激活所述终端设备的辅小区组，所述第三信息用于指示所述终端设备将所述目标小区更新为所述终端设备的PSCell；所述终端设备根据所述第二信息，激活所述终端设备的辅小区组。
  7. 根据权利要求1-3任一项所述的方法，其特征在于，所述终端设备确定需要将目标小区更新为所述终端设备的PSCell，包括：
    所述终端设备接收来自网络设备的第三信息，并根据所述第三信息确定需要将目标小区更新为所述终端设备的PSCell，所述第三信息用于指示所述终端设备将目标小区更新为所述终端设备的PSCell；或者，所述终端设备接收来自网络设备的第四信息，所述第四信息用于指示所述终端设备更新PSCell的条件，所述终端设备若评估所述目标小区的测量结果满足所述终端设备更新PSCell的条件，则确定需要将目标小区更新为所述终端设备的PSCell。
  8. 根据权利要求1-3任一项所述的方法，其特征在于，所述终端设备接收到来自网络设备的用于指示所述终端设备更新PSCell的条件的第四信息，所述终端设备确定需要将目标小区更新为所述终端设备的PSCell，包括：所述终端设备上报所述目标小区的小区标识信息给所述网络设备。
  9. 根据权利要求7所述的方法，其特征在于，还包括：所述终端设备接收来自所述网络设备的第五信息，所述第五信息用于指示所述目标小区所属目标小区组的配置信息；若所述第五信息 中不包括所述第三信息，则所述终端设备根据所述目标小区所属目标小区组的配置信息，应用所述目标小区所属目标小区组的配置。
  10. 根据权利要求1-3任一项所述的方法，其特征在于，所述终端设备的当前辅小区组为挂起态，所述终端设备确定需要将目标小区更新为所述终端设备的PSCell之前，还包括：
    所述终端设备接收来自网络设备的第二信息，所述第二信息用于指示激活所述终端设备的辅小区组；其中，所述终端设备在接收到所述第二信息之前，停止评估所述目标小区的测量结果是否满足所述终端设备更新PSCell的条件；所述终端设备在接收来自网络设备的第二信息后，根据所述第二信息激活所述终端设备的辅小区组，以及评估所述目标小区的测量结果是否满足所述终端设备更新PSCell的条件；所述终端设备确定需要将目标小区更新为所述终端设备的PSCell，包括：若评估所述目标小区的测量结果满足所述终端设备更新PSCell的条件，则所述终端设备确定需要将目标小区更新为所述终端设备的PSCell。
  11. 一种辅小区组的主小区更新方法，其特征在于，所述方法包括：网络设备生成第二信息，所述第二信息用于指示激活终端设备的辅小区组，其中，所述终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，所述目标辅小区组的PSCell为所述目标小区；所述网络设备向所述终端设备发送所述第二信息。
  12. 根据权利要求11所述的方法，其特征在于，还包括：所述网络设备向所述终端设备发送第一信息，所述第一信息用于指示所述终端设备将所述目标小区更新为所述终端的PSCell后所述终端设备的辅小区组为目标状态。
  13. 根据权利要求11或12所述的方法，其特征在于，所述网络设备生成所述第二信息之前，还包括：所述网络设备确定终端设备需要将所述目标小区更新为所述终端设备的PSCell。
  14. 根据权利要求13所述的方法，其特征在于，所述方法还包括：所述网络设备在向所述终端设备发送所述第二信息之时，同时向所述终端设备发送第三信息；或者，所述网络设备在向所述终端设备发送所述第二信息之后，向所述终端设备发送第三信息；其中，所述第三信息用于指示所述终端设备将所述目标小区更新为所述终端设备的PSCell。
  15. 根据权利要求13所述的方法，其特征在于，所述网络设备确定终端设备需要将目标小区更新为所述终端设备的PSCell之前，还包括：所述网络设备接收所述终端设备上报的目标小区的小区标识信息；所述网络设备确定所述终端设备需要将目标小区更新为所述终端设备的PSCell，包括：所述网络设备根据所述目标小区的小区标识信息，确定将所述目标小区更新为所述终端设备的PSCell。
  16. 根据权利要求11所述的方法，其特征在于，所述网络设备向所述终端设备发送所述第二信息之前，还包括：所述网络设备向所述终端设备发送第四信息，所述第四信息用于指示所述终端设备更新PSCell的条件。
  17. 一种辅小区组的主小区更新装置，其特征在于，包括存储器、收发机和处理器：
    所述存储器，用于存储计算机程序；所述收发机，用于在所述处理器的控制下收发数据；
    所述处理器，用于读取所述存储器中的计算机程序并执行以下操作：确定需要将目标小区更新为终端设备的辅小区组的主小区PSCell，其中，所述终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，所述目标辅小区组的PSCell为所述目标小区；将所述目标小区更新为所述终端设备的PSCell。
  18. 根据权利要求17所述的装置，其特征在于，所述将所述目标小区更新为所述终端设备的 PSCell，包括：应用所述目标小区所属目标辅小区组的配置；与所述目标小区下行同步；接入所述目标小区。
  19. 根据权利要求18所述的装置，其特征在于，所述接入所述目标小区，包括：触发随机接入过程接入所述目标小区；
    所述处理器还执行如下操作：完成接入所述目标小区后，设置所述终端设备的辅小区组为挂起态，或设置所述终端设备的辅小区组为激活态，或根据第一信息设置所述终端设备的辅小区组为目标状态，所述第一信息用于指示所述终端设备的辅小区组为目标状态。
  20. 根据权利要求18或19所述的装置，其特征在于，所述处理器还执行如下操作：将所述目标小区更新为所述终端设备的PSCell之前，激活所述终端设备的辅小区组；或者，接入所述目标小区之前，激活所述终端设备的辅小区组。
  21. 根据权利要求18所述的装置，其特征在于，所述接入所述目标小区，包括：在与所述目标小区下行同步后，接收来自网络设备的第二信息，所述第二信息用于指示激活所述终端设备的辅小区组；根据所述第二信息，激活所述终端设备的辅小区组，并触发随机接入过程接入所述目标小区。
  22. 根据权利要求17-19任一项所述的装置，其特征在于，所述处理器还执行如下操作：在确定需要将目标小区更新为所述终端设备的PSCell之前，接收来自网络设备的第二信息；或将所述目标小区更新为所述终端设备的PSCell之前，在接收来自网络设备的第三信息之时，同时接收到来自网络设备的第二信息；其中，所述第二信息用于指示激活所述终端设备的辅小区组，所述第三信息用于指示所述终端设备将所述目标小区更新为所述终端设备的PSCell；
    根据所述第二信息，激活所述终端设备的辅小区组。
  23. 根据权利要求17-19任一项所述的装置，其特征在于，所述确定需要将目标小区更新为所述终端设备的PSCell，包括：接收来自网络设备的第三信息，并根据所述第三信息确定需要将目标小区更新为所述终端设备的PSCell，所述第三信息用于指示所述终端设备将目标小区更新为所述终端设备的PSCell；或者，接收来自网络设备的第四信息，所述第四信息用于指示所述终端设备更新PSCell的条件若评估所述目标小区的测量结果满足所述终端设备更新PSCell的条件，则确定需要将目标小区更新为所述终端设备的PSCell。
  24. 根据权利要求17-19任一项所述的装置，其特征在于，所述终端设备接收到来自网络设备的用于指示所述终端设备更新PSCell的条件的第四信息，所述确定需要将目标小区更新为所述终端设备的PSCell，包括：上报所述目标小区的小区标识信息给所述网络设备。
  25. 根据权利要求23所述的装置，其特征在于，所述处理器还执行如下操作：接收来自所述网络设备的第五信息，所述第五信息用于指示所述目标小区所属目标小区组的配置信息；若所述第五信息中不包括所述第三信息，则根据所述目标小区所属目标小区组的配置信息，应用所述目标小区所属目标小区组的配置。
  26. 根据权利要求17-19任一项所述的装置，其特征在于，所述终端设备的当前辅小区组为挂起态，所述处理器还执行如下操作：确定需要将目标小区更新为所述终端设备的PSCell之前，接收来自网络设备的第二信息，所述第二信息用于指示激活所述终端设备的辅小区组；其中，在接收到所述第二信息之前，停止评估所述目标小区的测量结果是否满足所述终端设备更新PSCell的条件；在接收来自网络设备的第二信息后，根据所述第二信息激活所述终端设备的辅小区组，以及评估所述目标小区的测量结果是否满足所述终端设备更新PSCell的条件；所述确定需要将目 标小区更新为所述终端设备的PSCell，包括：若评估所述目标小区的测量结果满足所述终端设备更新PSCell的条件，则确定需要将目标小区更新为所述终端设备的PSCell。
  27. 一种辅小区组的主小区更新装置，其特征在于，包括存储器、收发机和处理器：所述存储器，用于存储计算机程序；所述收发机，用于在所述处理器的控制下收发数据；所述处理器，用于读取所述存储器中的计算机程序并执行以下操作：生成第二信息，所述第二信息用于指示激活终端设备的辅小区组，其中，所述终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，所述目标辅小区组的PSCell为所述目标小区；向所述终端设备发送所述第二信息。
  28. 根据权利要求27所述的装置，其特征在于，所述处理器还执行如下操作：向所述终端设备发送第一信息，所述第一信息用于指示所述终端设备将所述目标小区更新为所述终端的PSCell后所述终端设备的辅小区组为目标状态。
  29. 根据权利要求27或28所述的装置，其特征在于，所述处理器还执行如下操作：生成所述第二信息之前，确定终端设备需要将所述目标小区更新为所述终端设备的PSCell。
  30. 根据权利要求29所述的装置，其特征在于，所述处理器还执行如下操作：在向所述终端设备发送所述第二信息之时，同时向所述终端设备发送第三信息；或者，在向所述终端设备发送所述第二信息之后，向所述终端设备发送第三信息；其中，所述第三信息用于指示所述终端设备将所述目标小区更新为所述终端设备的PSCell。
  31. 根据权利要求29所述的装置，其特征在于，所述处理器还执行如下操作：确定终端设备需要将目标小区更新为所述终端设备的PSCell之前，接收所述终端设备上报的目标小区的小区标识信息；
    所述确定所述终端设备需要将目标小区更新为所述终端设备的PSCell，包括：根据所述目标小区的小区标识信息，确定将所述目标小区更新为所述终端设备的PSCell。
  32. 根据权利要求27所述的装置，其特征在于，所述处理器还执行如下操作：向所述终端设备发送所述第二信息之前，向所述终端设备发送第四信息，所述第四信息用于指示所述终端设备更新PSCell的条件。
  33. 一种辅小区组的主小区更新装置，其特征在于，包括：确定单元，用于确定需要将目标小区更新为终端设备的辅小区组的主小区PSCell，其中，所述终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，所述目标辅小区组的PSCell为所述目标小区；处理单元，用于将所述目标小区更新为所述终端设备的PSCell。
  34. 一种辅小区组的主小区更新装置，其特征在于，包括：处理单元，用于生成第二信息，所述第二信息用于指示激活终端设备的辅小区组，其中，所述终端设备的当前辅小区组为挂起态，和/或，目标辅小区组的目标状态为挂起态，所述目标辅小区组的PSCell为所述目标小区；发送单元，用于向所述终端设备发送所述第二信息。
  35. 一种处理器可读存储介质，其特征在于，所述处理器可读存储介质存储有计算机程序，所述计算机程序用于使所述处理器执行权利要求1至10任一项所述的方法或者11-16任一项所述的方法。
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