CN113395783B - State control method and device for auxiliary cell group, storage medium, UE (user Equipment) and base station - Google Patents
State control method and device for auxiliary cell group, storage medium, UE (user Equipment) and base station Download PDFInfo
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- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- 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
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Abstract
A method and a device for controlling the state of a secondary cell group, a storage medium, a UE and a base station are provided, the method comprises the following steps: receiving configuration information of a target secondary cell group when the target secondary cell group is entered by a current secondary cell group, wherein the configuration information indicates whether the target secondary cell group is deactivated; and setting the state of the target secondary cell group according to the configuration information. By the method, extra power consumption caused by PSCell change can be avoided.
Description
Technical Field
The invention relates to the field of communication, in particular to a method and a device for controlling the state of an auxiliary cell group, a storage medium, UE and a base station.
Background
In Dual Connectivity (DC), such as EUTRA-NR Dual Connectivity (EN-DC), Dual Connectivity of 4G radio Access network with 5G NR under 5G core network (NGEN-DC), and Dual Connectivity of 5G NR (NR-DC), power consumption is a big issue because two radio links are maintained simultaneously.
In the prior art, after the SCG is deactivated or called as dormant and suspended (suspend), the UE may perform Radio Resource Management (RRM) measurement on the SCG, and report a measurement result of the SCG to a Master Node (MN). The MN may choose to configure the UE with a new SCG based on the measurement results. When the SCG is deactivated, if a Primary Cell (PSCell) of the current SCG has a poor signal and a new candidate PSCell with better quality, for example, when the UE moves to a different Secondary Node (SN), a PSCell change (change) process may be performed. The new SCG is active, but the SCG may not need to be used immediately for data transfer, and then the SCG is active resulting in additional power consumption. There is additional signaling overhead if the subsequent NW signals the deactivation of the new SCG.
Disclosure of Invention
The invention solves the technical problems that: when the SCG is deactivated, additional power consumption may result due to PSCell change.
In order to solve the above technical problem, an embodiment of the present invention provides a method for controlling a state of a secondary cell group, where the method includes: receiving configuration information of a target secondary cell group when a current secondary cell group enters the target secondary cell group, wherein the configuration information indicates whether the target secondary cell group is deactivated; and setting the state of the target secondary cell group according to the configuration information.
Optionally, when the configuration information indicates that the target secondary cell group is deactivated, if the UE completes random access in the PSCell of the target secondary cell group, the target secondary cell group is switched to a deactivated state.
Optionally, when the configuration information indicates that the target secondary cell group is deactivated and the PSCell of the target secondary cell group does not perform random access, after receiving the configuration information of the target secondary cell group, the method further includes: and saving the configuration information of the target auxiliary cell group, and switching the target auxiliary cell group into a deactivation state.
Optionally, after the transferring the target secondary cell group to the deactivated state, the method further includes: and receiving an activation instruction of the target secondary cell group, and switching the target secondary cell group to an activated state according to the activation instruction.
Optionally, the method further includes: and when the target auxiliary cell group is in the activated state, receiving a deactivation instruction of the target auxiliary cell group, and switching the target auxiliary cell group into the deactivated state according to the deactivation instruction.
Optionally, after receiving the configuration information of the target secondary cell group, the method further includes: and sending a response message of the configuration information.
The embodiment of the invention also provides a method for controlling the state of the auxiliary cell group, which comprises the following steps: when detecting that the UE enters a target auxiliary cell group, acquiring configuration information of the target auxiliary cell group; sending the configuration information of the target secondary cell group; wherein the configuration information indicates whether a target secondary cell group is deactivated, so that the UE sets a state of the target secondary cell group according to the configuration information.
Optionally, when the configuration information indicates that the target secondary cell group is deactivated, the target secondary cell group is switched to a deactivated state after the UE completes random access in the PSCell of the target secondary cell group.
Optionally, when the configuration information indicates that the target secondary cell group is deactivated and the PSCell of the target secondary cell group does not perform random access, the target secondary cell group is switched to a deactivated state after the UE receives the configuration information of the target secondary cell group.
Optionally, when the target secondary cell group is in the deactivated state, if data transmission needs to be performed through the target secondary cell group, an activation instruction is sent to the UE, so that the UE switches the target secondary cell group into the activated state according to the activation instruction.
Optionally, when the target secondary cell group is in an activated state, a deactivation instruction of the target secondary cell group is sent to the UE, so that the UE switches the target secondary cell group to a deactivated state according to the deactivation instruction.
Optionally, after the sending the configuration information of the target secondary cell group, the method further includes: and receiving a response message of the configuration information sent by the UE.
The embodiment of the invention also provides a state control device of the auxiliary cell group, which comprises: a secondary cell group switching module, configured to receive configuration information of a target secondary cell group when a current secondary cell group enters the target secondary cell group, where the configuration information indicates whether the target secondary cell group is deactivated; and the auxiliary cell group state configuration module is used for setting the state of the target auxiliary cell group according to the configuration information.
An embodiment of the present invention further provides a device for controlling a state of a secondary cell group, where the device includes: a configuration information acquisition module, configured to acquire configuration information of a target secondary cell group when it is detected that the UE enters the target secondary cell group; a configuration information sending module, configured to send the configuration information of the target secondary cell group; wherein the configuration information indicates whether a target secondary cell group is deactivated, such that the UE sets a state of the target secondary cell group according to the configuration information.
An embodiment of the present invention further provides a storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the method for controlling the state of the secondary cell group.
The embodiment of the invention also provides the UE, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the state control method of the auxiliary cell group when executing the computer program.
The embodiment of the invention also provides a base station, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the state control method of the auxiliary cell group when executing the computer program.
Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a state control method of an auxiliary cell group, which comprises the following steps: receiving configuration information of a target secondary cell group when the target secondary cell group is entered by a current secondary cell group, wherein the configuration information indicates whether the target secondary cell group is deactivated; and setting the state of the target secondary cell group according to the configuration information. Compared with the prior art, when the UE carries out the PSCell change (change) process, the UE acquires the configuration information of a new SCG (namely a target SCG), the configuration information indicates whether the target auxiliary cell group is deactivated, and the target SCG can be deactivated directly after the UE is accessed to the cell of the target SCG for the condition that the SCG is not required to be used immediately for transmitting data. Thus, additional power consumption caused by the SCG being in an active state can be avoided.
Further, when the configuration information indicates the target secondary cell group deactivation, it may also indicate whether the UE performs random access.
Further, when the UE accesses a cell corresponding to a SCG, the UE may still perform measurement of signals of each cell according to the configuration of the NW when the SCG of the cell is in a deactivated state, so as to perform cell reselection.
Further, the network may send an activation/deactivation command to the UE to cause the SCG to switch between the activated and deactivated states.
Further, after receiving the configuration information of the target SCG, the UE applies a new SCG configuration, and may respond to the MN with a response message to inform the network that the UE correctly receives the configuration information of the target SCG.
Drawings
Fig. 1 is a flowchart illustrating a method for controlling a status of a secondary cell group according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating another method for controlling a status of a secondary cell group according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a state control apparatus for a secondary cell group according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another state control apparatus for a secondary cell group according to an embodiment of the present invention.
Detailed Description
The inventors have found that, when the UE performs a PSCell change (change) procedure, the UE acquires a new SCG, and the new SCG is in an active state. But the new SCG may not need to be used immediately for data transfer, then the SCG is in an active state resulting in additional power consumption. If a subsequent Network (NW) deactivates a new SCG through signaling, additional signaling overhead is caused.
To solve the problem, an embodiment of the present invention provides a method for controlling a state of a secondary cell group, including: receiving configuration information of a target secondary cell group when a current secondary cell group enters the target secondary cell group, wherein the configuration information indicates whether the target secondary cell group is deactivated; and setting the state of the target secondary cell group according to the configuration information.
By the method, extra power consumption caused by PSCell change can be avoided.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
To solve the above technical problem, an embodiment of the present invention provides a method for controlling a state of a secondary cell group, where the method can be performed by a UE side. For example, it may be performed by a UE capable of operating under EN-DC dual connectivity. Referring to fig. 1, the method includes the following steps S101 and S102, wherein:
step S101, when the current auxiliary cell group enters a target auxiliary cell group, receiving the configuration information of the target auxiliary cell group, wherein the configuration information indicates whether the target auxiliary cell group is deactivated;
the current Secondary Cell Group (SCG) is the SCG currently configured by the UE, and may be activated or deactivated. And the UE moves to another SN cell and reports a measurement report, namely the UE enters a target SCG from the current SCG.
In MR-DC, SCG refers to a set of serving cells associated with SNs, including a PSCell and optionally one or more scells (Secondary cells).
The configuration information of the target SCG is information (at least including the configuration of the PSCell) sent by the MN to the UE and configuring the target SCG for the UE, and the network indicates in the configuration information of the target SCG: after the UE accesses, whether the target SCG is deactivated or not.
Optionally, the configuration information of the target SCG may be included in a Radio Resource Control (RRC) signaling.
And step S102, setting the state of the target auxiliary cell group according to the configuration information.
After receiving the configuration information of the target SCG, the UE sets the state of the target SCG according to the configuration information, that is, the target SCG is in an activated state or a deactivated state.
In MR-DC, SCG refers to a set of serving cells associated with SNs, including a PSCell and optionally one or more scells (Secondary cells).
Optionally, when the SCG is in the deactivated state or the SCG is deactivated, the PSCell and the SCell of the SCG may be put into a sleep state (still in the activated state but performing a sleep (dormant) behavior, the same applies below), the PSCell and the SCell of the SCG may also be put into a deactivated state, a part of cells of the SCG may also be put into the sleep state, and other cells may be put into a deactivated state. The NW understands the state and behavior of the PSCell/SCell consistent with the UE.
By the method, when the UE performs a PSCell change (change) procedure, the UE acquires configuration information of a new SCG (i.e., a target SCG), where the configuration information indicates whether the target secondary cell group is deactivated, and for a case where it is not necessary to immediately (e.g., when the PSCell change is completed or within an appropriate time period after the change is completed) use the SCG to transmit data, the UE may directly deactivate the target SCG after accessing the cell after the target SCG. Thus, additional power consumption caused by the SCG being in an active state can be avoided.
Optionally, when the configuration information indicates that the target secondary cell group is deactivated, if the UE completes random access in the PSCell of the target secondary cell group, the target secondary cell group is switched to a deactivated state.
And if the configuration information indicates that the target SCG is deactivated, the target SCG is switched into a deactivated state after the UE is accessed to the cell in the target SCG. The UE accesses the cell in the target SCG to complete downlink synchronization and Random Access (RA) in the PSCell of the target SCG, and after the Random Access is completed, the UE switches the target SCG into a deactivated state to execute an action in the deactivated state. At this time the NW also considers the SCG to be in the deactivated state.
Optionally, when the configuration information indicates that the target secondary cell group is deactivated and the PSCell of the target secondary cell group does not perform random access, after receiving the configuration information of the target secondary cell group in step S101 in fig. 1, the method further includes: and storing the configuration information of the target auxiliary cell group, and switching the target auxiliary cell group into a deactivation state.
The MN may also instruct the UE not to perform random access in the PSCell of the target secondary cell group while instructing the target SCG to be deactivated. And after receiving the configuration information of the target SCG, the UE stores the configuration of the target SCG and switches the target SCG into a deactivation state. In this case the NW considers the SCG to be in the deactivated state after receiving the response message of the UE.
Optionally, after the transferring the target secondary cell group to the deactivated state, the method further includes: and receiving an activation instruction of the target auxiliary cell group, and switching the target auxiliary cell group into an activated state according to the activation instruction.
The network can send an activation instruction to the UE to enable the UE-configured SCG in the deactivation state to be transferred into the activation state. The UE and the network may use SCG for uplink and downlink data transmission.
Optionally, the method further includes: and when the target auxiliary cell group is in the activated state, receiving a deactivation instruction of the target auxiliary cell group, and switching the target auxiliary cell group into the deactivated state according to the deactivation instruction.
The network can also send a deactivation instruction to the UE so that the SCG of the activation state configured by the UE is transferred into a deactivation state. When there is no need to transmit data via the SCG for a while, the NW may deactivate (or sleep, suspend) the SCG via downlink signaling.
Optionally, the deactivation instruction/activation instruction of the SCG may be sent to the UE in the form of RRC signaling, a Medium Access control element (MAC CE for short), or physical layer signaling.
Optionally, after receiving the configuration information of the target secondary cell group, the method further includes: and sending a response message of the configuration information.
The response message is the configuration information sent by the UE to the MN and used for informing the network that the UE correctly receives the target SCG. And the UE receives the configuration information of the target SCG, applies the new SCG configuration and returns a response message to the MN.
The embodiment of the present invention further provides a method for controlling a state of a secondary cell group, please refer to fig. 2, where the method includes the following steps S201 and S202, where:
step S201, when detecting that the UE enters a target auxiliary cell group, acquiring configuration information of the target auxiliary cell group;
step S202, sending the configuration information of the target auxiliary cell group, wherein the configuration information indicates whether the target auxiliary cell group is deactivated or not, so that the UE sets the state of the target auxiliary cell group according to the configuration information.
Optionally, when the configuration information indicates that the target secondary cell group is deactivated, the target secondary cell group is switched to a deactivated state after the UE completes random access in the PSCell of the target secondary cell group.
Optionally, when the configuration information indicates that the target secondary cell group is deactivated and the PSCell of the target secondary cell group does not perform random access, the target secondary cell group is switched to a deactivated state after the UE receives the configuration information of the target secondary cell group.
Optionally, when the target secondary cell group is in the deactivated state, if data transmission needs to be performed through the target secondary cell group, an instruction for activating the SCG is sent to the UE, so that the UE transfers the target secondary cell group to the activated state according to the activation instruction.
Optionally, when the target secondary cell group is in an activated state, a deactivation instruction of the target secondary cell group is sent to the UE, so that the UE switches the target secondary cell group to a deactivated state according to the deactivation instruction.
Optionally, after sending the configuration information of the target secondary cell group, the method further includes: and receiving a response message of the configuration information sent by the UE.
The activation method of SCG described in fig. 2 may be performed by the base station side, and may be performed by the base station of MN in MR-DC. For more contents of the working principle and working manner of the method for controlling the state of the secondary cell group shown in fig. 2, reference may be made to the related description on the network side (or MN) in the embodiment shown in fig. 1, and details are not repeated here.
An embodiment of the present invention further provides a device for controlling a state of a secondary cell group, referring to fig. 3, where the device includes:
a secondary cell group switching module 301, configured to receive configuration information of a target secondary cell group when a current secondary cell group enters the target secondary cell group, where the configuration information indicates whether the target secondary cell group is deactivated;
a secondary cell group state configuration module 302, configured to set a state of the target secondary cell group according to the configuration information.
For more details of the operation principle and operation mode of the state control apparatus of the secondary cell group in fig. 3, reference may be made to the above description of the state control method of the secondary cell group in fig. 1, and details are not repeated here.
An embodiment of the present invention further provides a device for controlling a state of a secondary cell group, please refer to fig. 4, where the device includes:
a configuration information obtaining module 401, configured to obtain configuration information of a target secondary cell group when it is detected that the UE enters the target secondary cell group;
a configuration information sending module 402, configured to send configuration information of the target secondary cell group;
wherein the configuration information indicates whether a target secondary cell group is deactivated, such that the UE sets a state of the target secondary cell group according to the configuration information.
For more details of the operation principle and operation mode of the state control apparatus of the secondary cell group in fig. 4, reference may be made to the above description of the state control method of the secondary cell group in fig. 2, and details are not repeated here.
It should be noted that the technical solution of the present invention can be applied to a 5G (5Generation) communication system, can also be applied to a 4G, 3G communication system, and can also be applied to various future new communication systems, such as 6G, 7G, etc.
Embodiments of the present invention also provide a storage medium having stored thereon computer instructions, which when executed perform the steps of the method of fig. 1 or fig. 2. The storage medium may be a computer-readable storage medium, and may include, for example, a non-volatile (non-volatile) or non-transitory (non-transitory) memory, and may further include an optical disc, a mechanical hard disk, a solid state hard disk, and the like.
Specifically, in the embodiment of the present invention, the processor may be a Central Processing Unit (CPU), and the processor may also be other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
It will also be appreciated that the memory in the embodiments of the subject application can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The nonvolatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example and not limitation, many forms of Random Access Memory (RAM) are available, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (dddram), enhanced SDRAM (enhanced SDRAM), synchronous DRAM (SLDRAM), Synchronous Link DRAM (SLDRAM), and direct bus RAM (DR RAM).
The embodiment of the present invention further provides a UE, which includes a memory and a processor, where the memory stores computer instructions capable of running on the processor, and the processor executes the computer instructions to perform the steps of the method shown in fig. 1. The terminal includes, but is not limited to, a mobile phone, a computer, a tablet computer and other terminal devices.
Specifically, a terminal in the embodiments of the present application may refer to various forms of UE, access terminal, subscriber unit, subscriber station, Mobile Station (MS), remote station, remote terminal, mobile device, user terminal, terminal equipment (terminal equipment), wireless communication device, user agent, or user equipment. The terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with a Wireless communication function, a computing device or other processing devices connected to a Wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G Network or a terminal device in a future evolved Public Land Mobile Network (PLMN), and the like, which is not limited in this embodiment.
The embodiment of the present invention further provides a base station, which includes a memory and a processor, where the memory stores computer instructions capable of being executed on the processor, and the processor executes the computer instructions to execute the steps of the method shown in fig. 2. The base station may refer to an MN base station in MR-DC.
A Base Station (BS) in the embodiment of the present application, which may also be referred to as a base station device, is a device deployed in a Radio Access Network (RAN) to provide a wireless communication function. For example, the device providing the base station function in the 2G network includes a Base Transceiver Station (BTS), the device providing the base station function in the 3G network includes a node B (NodeB), the device providing the base station function in the 4G network includes an evolved node B (eNB), the device providing the base station function in the Wireless Local Area Networks (WLAN) is an Access Point (AP), the device providing the base station function in the 5G New Radio (New Radio) is a gNB (ng-eNB), and the gNB is a node B (ng-eNB), where the gNB and the terminal communicate with each other by using an NR technique, the ng-eNB and the terminal communicate with each other by using an E-a (evolved universal Radio access) technique, and both the gNB and the ng-eNB are connectable to the 5G core network. The base station in the embodiment of the present application also includes a device and the like that provide a function of the base station in a future new communication system.
The base station controller in the embodiment of the present application is a device for managing a base station, for example, a Base Station Controller (BSC) in a 2G network, a Radio Network Controller (RNC) in a 3G network, or a device for controlling and managing a base station in a future new communication system.
The network on the network side in the embodiment of the present invention refers to a communication network providing communication services for a terminal, and includes a base station of a radio access network, a base station controller of the radio access network, and a device on the core network side.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (15)
1. A method for controlling the status of a secondary cell group, the method comprising:
receiving configuration information of a target secondary cell group when a current secondary cell group enters the target secondary cell group, wherein the configuration information indicates whether the target secondary cell group is deactivated;
setting the state of the target secondary cell group according to the configuration information;
when the configuration information indicates that the target secondary cell group is deactivated and the PSCell of the target secondary cell group does not perform random access, after receiving the configuration information of the target secondary cell group, the method further includes:
and storing the configuration information of the target auxiliary cell group, and switching the target auxiliary cell group into a deactivation state.
2. The method of claim 1, wherein when the configuration information indicates that the target secondary cell group is deactivated, if the UE completes random access in a PSCell of the target secondary cell group, the target secondary cell group is switched to a deactivated state.
3. The method of claim 1 or 2, wherein after the transferring the target secondary cell group to the deactivated state, further comprising:
and receiving an activation instruction of the target secondary cell group, and switching the target secondary cell group to an activated state according to the activation instruction.
4. The method of claim 3, further comprising:
and when the target auxiliary cell group is in the activated state, receiving a deactivation instruction of the target auxiliary cell group, and switching the target auxiliary cell group into the deactivated state according to the deactivation instruction.
5. The method of claim 1, wherein after receiving the configuration information of the target secondary cell group, further comprising:
and sending a response message of the configuration information.
6. A method for controlling the status of a secondary cell group, the method comprising:
when detecting that the UE enters a target auxiliary cell group, acquiring configuration information of the target auxiliary cell group;
sending the configuration information of the target secondary cell group;
wherein the configuration information indicates whether a target secondary cell group is deactivated, such that the UE sets a state of the target secondary cell group according to the configuration information;
and when the configuration information indicates that the target auxiliary cell group is deactivated and the PSCell of the target auxiliary cell group does not perform random access, the target auxiliary cell group is switched into a deactivated state after the UE receives the configuration information of the target auxiliary cell group.
7. The method of claim 6, wherein when the configuration information indicates deactivation of the target secondary cell group, the target secondary cell group transitions to a deactivated state after the UE completes random access in the PSCell of the target secondary cell group.
8. The method of claim 6 or 7, wherein when the target secondary cell group is in the deactivated state, if data transmission is required to be performed through the target secondary cell group, an activation instruction is sent to the UE, so that the UE transfers the target secondary cell group to the activated state according to the activation instruction.
9. The method of claim 8, wherein when the target secondary cell group is in an activated state, sending a deactivation instruction of the target secondary cell group to the UE, so that the UE transfers the target secondary cell group to a deactivated state according to the deactivation instruction.
10. The method of claim 6, wherein after the sending the configuration information of the target secondary cell group, further comprising:
and receiving a response message of the configuration information sent by the UE.
11. An apparatus for controlling a state of a secondary cell group, the apparatus comprising:
a secondary cell group switching module, configured to receive configuration information of a target secondary cell group when a current secondary cell group enters the target secondary cell group, where the configuration information indicates whether the target secondary cell group is deactivated;
the auxiliary cell group state configuration module is used for setting the state of the target auxiliary cell group according to the configuration information;
the apparatus further performs the steps of: and when the configuration information indicates that the target auxiliary cell group is deactivated and the PSCell of the target auxiliary cell group does not perform random access, storing the configuration information of the target auxiliary cell group after receiving the configuration information of the target auxiliary cell group, and switching the target auxiliary cell group to a deactivated state.
12. An apparatus for controlling a state of a secondary cell group, the apparatus comprising:
a configuration information acquisition module, configured to acquire configuration information of a target secondary cell group when it is detected that the UE enters the target secondary cell group;
a configuration information sending module, configured to send configuration information of the target secondary cell group;
wherein the configuration information indicates whether a target secondary cell group is deactivated, so that the UE sets a state of the target secondary cell group according to the configuration information;
the apparatus further performs the steps of: and when the configuration information indicates that the target secondary cell group is deactivated and the PSCell of the target secondary cell group does not perform random access, the target secondary cell group is switched into a deactivated state after the UE receives the configuration information of the target secondary cell group.
13. A storage medium having stored thereon a computer program for implementing the steps of the method of any one of claims 1 to 5, or of any one of claims 6 to 10, when executed by a processor.
14. A UE comprising a memory and a processor, the memory storing a computer program, wherein the processor when executing the computer program implements the steps of the method of any of claims 1 to 5.
15. A base station comprising a memory and a processor, the memory storing a computer program, wherein the processor when executing the computer program implements the steps of the method of any one of claims 6 to 10.
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| WO2023226044A1 (en) * | 2022-05-27 | 2023-11-30 | 北京小米移动软件有限公司 | Mobility management configuration method, mobility management configuration apparatus, and communication device |
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| US9820332B2 (en) * | 2014-08-07 | 2017-11-14 | Lg Electronics Inc. | Method for deactivating SCells during SCG change procedure and a device therefor |
| US10284354B2 (en) * | 2015-01-30 | 2019-05-07 | Nokia Solutions And Networks Oy | Methods, apparatus, computer program, computer program product and mobile communications network for serving cells comprising primary cell and secondary cells |
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