WO2023000176A1 - 一种控制scg状态的方法及装置、终端设备、网络设备 - Google Patents

一种控制scg状态的方法及装置、终端设备、网络设备 Download PDF

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Publication number
WO2023000176A1
WO2023000176A1 PCT/CN2021/107435 CN2021107435W WO2023000176A1 WO 2023000176 A1 WO2023000176 A1 WO 2023000176A1 CN 2021107435 W CN2021107435 W CN 2021107435W WO 2023000176 A1 WO2023000176 A1 WO 2023000176A1
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Prior art keywords
scg
terminal device
indication information
network device
rrc recovery
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PCT/CN2021/107435
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English (en)
French (fr)
Inventor
王淑坤
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202180095869.7A priority Critical patent/CN117099471A/zh
Priority to PCT/CN2021/107435 priority patent/WO2023000176A1/zh
Publication of WO2023000176A1 publication Critical patent/WO2023000176A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections

Definitions

  • the embodiment of the present application relates to the technical field of mobile communication, and specifically relates to a method and device, a terminal device, and a network device for controlling the state of a secondary cell group (Secondary Cell Group, SCG).
  • SCG Secondary Cell Group
  • the network device When the terminal device initiates a radio resource control (Radio Resource Control, RRC) recovery process, the network device will restore the previously configured SCG for the terminal device or configure a new SCG for the terminal device through the RRC recovery message.
  • RRC Radio Resource Control
  • the network device can set whether the state of the SCG is activated or deactivated in the RRC recovery message. However, because the triggering cause of the RRC restoration process is uncertain, the network device cannot determine whether to restore the SCG.
  • Embodiments of the present application provide a method and device for controlling an SCG state, a terminal device, a network device, a chip, a computer-readable storage medium, a computer program product, and a computer program.
  • An embodiment of the present application provides a method for controlling the state of the SCG, the method including:
  • the terminal device determines whether to activate the SCG
  • the terminal device determines that the SCG does not need to be activated, the terminal device sends first indication information to the network device, and the first indication information is used to instruct the terminal device to suggest that the network device not activate the SCG or restore the SCG or deactivate the SCG. Activate SCG;
  • the terminal device receives a first command sent by the network device, where the first command is used to trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior.
  • An embodiment of the present application provides a method for controlling the state of the SCG, the method including:
  • the network device receives first indication information sent by the terminal device, where the first indication information is used to instruct the terminal device to suggest that the network device not activate the SCG or not restore the SCG or deactivate the SCG;
  • the network device sends a first command to the terminal device, where the first command is used to trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior.
  • An embodiment of the present application provides a device for controlling the SCG state, which is applied to a terminal device, and the device includes:
  • a determination unit configured to determine whether the SCG needs to be activated
  • a sending unit configured to send first indication information to the network device if it is determined that the SCG does not need to be activated, the first indication information being used to instruct the terminal device to suggest that the network device not activate the SCG or not restore the SCG or deactivate the SCG;
  • the receiving unit is configured to receive a first command sent by the network device, where the first command is used to trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior.
  • An embodiment of the present application provides a device for controlling the SCG state, which is applied to a network device, and the device includes:
  • a receiving unit configured to receive first indication information sent by the terminal device, where the first indication information is used to instruct the terminal device to suggest that the network device not activate the SCG or not restore the SCG or deactivate the SCG;
  • a sending unit configured to send a first command to the terminal device, where the first command is used to trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above method for controlling the state of the SCG.
  • the network device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above method for controlling the state of the SCG.
  • the chip provided in the embodiment of the present application is used to implement the above method for controlling the state of the SCG.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above method for controlling the state of the SCG.
  • the computer-readable storage medium provided by the embodiment of the present application is used for storing a computer program, and the computer program enables the computer to execute the above-mentioned method for controlling the state of the SCG.
  • the computer program product provided by the embodiments of the present application includes computer program instructions, and the computer program instructions cause the computer to execute the above-mentioned method for controlling the state of the SCG.
  • the computer program provided in the embodiment of the present application when running on a computer, enables the computer to execute the above method for controlling the state of the SCG.
  • the terminal device determines whether to activate the SCG , and when it is determined that the SCG does not need to be activated, indicate to the network device that it is recommended that the network device not activate the SCG or restore the SCG or deactivate the SCG, so that the network device will issue a first command to the terminal device, and the first command uses To trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior.
  • RRC_INACTIVE RRC inactive
  • DC Dual Connectivity
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application
  • FIG. 2 is a schematic diagram of bearer types provided by an embodiment of the present application.
  • Fig. 3 is a flow chart of the RRC recovery process provided by the embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a method for controlling the state of an SCG provided in an embodiment of the present application
  • Fig. 5 is a schematic diagram of the structure and composition of the device for controlling the state of the SCG provided by the embodiment of the present application;
  • Fig. 6 is a schematic diagram 2 of the structure and composition of the device for controlling the state of the SCG provided by the embodiment of the present application;
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • Fig. 9 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • a communication system 100 may include a terminal device 110 and a network device 120 .
  • the network device 120 may communicate with the terminal device 110 through an air interface. Multi-service transmission is supported between the terminal device 110 and the network device 120 .
  • the embodiment of the present application is only described by using the communication system 100 as an example, but the embodiment of the present application is not limited thereto. That is to say, the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Long Term Evolution (Long Term Evolution, LTE) system, LTE Time Division Duplex (Time Division Duplex, TDD), Universal Mobile Communication System (Universal Mobile Telecommunication System, UMTS), Internet of Things (Internet of Things, IoT) system, Narrow Band Internet of Things (NB-IoT) system, enhanced Machine-Type Communications (eMTC) system, 5G communication system (also known as New Radio (NR) communication system), or future communication systems, etc.
  • LTE Long Term Evolution
  • LTE Time Division Duplex Time Division Duplex
  • TDD Time Division Duplex
  • Universal Mobile Telecommunication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Communication System
  • Internet of Things Internet of Things
  • NB-IoT Narrow Band Internet of Things
  • eMTC enhanced Machine-Type Communications
  • the network device 120 may be an access network device that communicates with the terminal device 110 .
  • the access network device can provide communication coverage for a specific geographical area, and can communicate with terminal devices 110 (such as UEs) located in the coverage area.
  • the network device 120 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in a Long Term Evolution (Long Term Evolution, LTE) system, or a Next Generation Radio Access Network (NG RAN) device, Either a base station (gNB) in the NR system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device 120 can be a relay station, an access point, a vehicle-mounted device, a wearable Devices, hubs, switches, bridges, routers, or network devices in the future evolution of the Public Land Mobile Network (Public Land Mobile Network, PLMN), etc.
  • Evolutional Node B, eNB or eNodeB in a Long Term Evolution (Long Term Evolution, LTE) system
  • NG RAN Next Generation Radio Access Network
  • gNB base station
  • CRAN Cloud Radio Access Network
  • the network device 120 can be a relay station, an access point, a vehicle-mounted device, a wear
  • the terminal device 110 may be any terminal device, including but not limited to a terminal device connected to the network device 120 or other terminal devices by wire or wirelessly.
  • the terminal equipment 110 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, user agent, or user device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, IoT devices, satellite handheld terminals, Wireless Local Loop (WLL) stations, Personal Digital Assistant , PDA), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in 5G networks or terminal devices in future evolution networks, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device 110 can be used for device-to-device (Device to Device, D2D) communication.
  • D2D Device to Device
  • the wireless communication system 100 may also include a core network device 130 that communicates with the base station.
  • the core network device 130 may be a 5G core network (5G Core, 5GC) device, for example, Access and Mobility Management Function (Access and Mobility Management Function , AMF), and for example, authentication server function (Authentication Server Function, AUSF), and for example, user plane function (User Plane Function, UPF), and for example, session management function (Session Management Function, SMF).
  • the core network device 130 may also be a packet core evolution (Evolved Packet Core, EPC) device of the LTE network, for example, a data gateway (Session Management Function+Core Packet Gateway, SMF+PGW- C) Equipment.
  • EPC packet core evolution
  • SMF+PGW-C can realize the functions of SMF and PGW-C at the same time.
  • the above-mentioned core network equipment may be called by other names, or a new network entity may be formed by dividing functions of the core network, which is not limited in this embodiment of the present application.
  • Various functional units in the communication system 100 may also establish a connection through a next generation network (next generation, NG) interface to implement communication.
  • NG next generation network
  • the terminal device establishes an air interface connection with the access network device through the NR interface to transmit user plane data and control plane signaling; the terminal device can establish a control plane signaling connection with the AMF through the NG interface 1 (N1 for short);
  • Network equipment such as the next generation wireless access base station (gNB), can establish a user plane data connection with UPF through NG interface 3 (abbreviated as N3); access network equipment can establish control plane signaling with AMF through NG interface 2 (abbreviated as N2) connection;
  • UPF can establish a control plane signaling connection with SMF through NG interface 4 (abbreviated as N4);
  • UPF can exchange user plane data with the data network through NG interface 6 (abbreviated as N6);
  • AMF can communicate with SMF through NG interface 11 (abbreviated as N11)
  • the SMF establishes a control plane signaling connection; the SMF may establish a control plane signaling connection with the PCF through an NG interface 7 (N7 for short).
  • Figure 1 exemplarily shows a base station, a core network device, and two terminal devices.
  • the wireless communication system 100 may include multiple base station devices and each base station may include other numbers of terminals within the coverage area.
  • the device is not limited in the embodiment of this application.
  • FIG. 1 is only an illustration of a system applicable to this application, and of course, the method shown in the embodiment of this application may also be applicable to other systems.
  • system and “network” are often used interchangeably herein.
  • the term “and/or” in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations.
  • the character "/" in this article generally indicates that the contextual objects are an "or” relationship.
  • the "indication” mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • A indicates B, which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the "correspondence” mentioned in the embodiments of the present application may mean that there is a direct correspondence or an indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated. , configuration and configured relationship.
  • the "predefined” or “predefined rules” mentioned in the embodiments of this application can be used by pre-saving corresponding codes, tables or other It is implemented by indicating related information, and this application does not limit the specific implementation.
  • pre-defined may refer to defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, it may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, and this application does not limit this .
  • 5G 3rd Generation Partnership Project
  • eMBB Enhanced Mobile Broadband
  • URLLC Ultra-Reliable Low-Latency Communications
  • mMTC Massive Machine-Type Communications
  • eMBB still aims at users obtaining multimedia content, services and data, and its demand is growing rapidly.
  • eMBB may be deployed in different scenarios, such as indoors, urban areas, and rural areas, the capabilities and requirements vary greatly, so it cannot be generalized, and detailed analysis must be combined with specific deployment scenarios.
  • Typical applications of URLLC include: industrial automation, electric power automation, telemedicine operations (surgery), traffic safety guarantee, etc.
  • the typical characteristics of mMTC include: high connection density, small data volume, delay-insensitive services, low cost and long service life of modules, etc.
  • E-UTRA-NR Dual Connectivity EN-DC
  • the LTE base station eNB acts as the master node (Master Node, MN)
  • the NR base station gNB or en-gNB
  • the MN is mainly responsible for the RRC control function and the control plane leading to the core network
  • the SN can configure auxiliary signaling, such as SRB3, which mainly provides the data transmission function.
  • NR and E-UTRA dual connectivity NR-E-UTRA Dual Connectivity, NE-DC
  • 5GC-EN-DC NR DC
  • EPC Evolved Packet Core network
  • 5GC 5G Core Network
  • Multi-RAT Dual Connectivity MR-DC
  • bearer types are divided into MN terminated MCG bearer (MN terminated MCG Bearer), MN terminated SCG bearer (MN terminated SCG Bearer), MN terminated split bearer, SN terminated MCG bearer, SN terminated SCG bearer, SN terminated split bearer.
  • MN terminated means that the Packet Data Convergence Protocol (Packet Data Convergence Protocol, PDCP) resource (ie, PDCP entity) used by the bearer is located on the MN side
  • PDCP Packet Data Convergence Protocol
  • SN terminated means The PDCP resource used by the bearer is located on the SN side.
  • MCG bearer means that the RLC/MAC/PHY resources used by the bearer are located on the MN side
  • SCG bearer means that the RLC/MAC/PHY resources used by the bearer are located on the SN side
  • RLC/MAC/PHY resources are located at the MN and SN sides.
  • the state of SCG introduces the deactivation state. After the SCG is deactivated, it enters the deactivation state, and after the SCG is activated, it enters the activation state. After the SCG is deactivated, the terminal device does not monitor the PDCCH on the SCG, and does not send and receive data. When the SCG is in an activated state, compared with when the SCG is in a deactivated state, resources occupied by the SCG side are different.
  • the network device can restore the previously configured SCG for the terminal device or configure a new SCG for the terminal device through the RRC recovery message. SCG. After the state of the SCG is introduced into the deactivated state, the network device can set whether the state of the SCG is activated or deactivated in the RRC recovery message.
  • Fig. 3 is the flow chart of the RRC recovery process that the embodiment of the present application provides, as shown in Fig. 3, comprises the following steps:
  • Step 301 the terminal device sends an RRC recovery request message to the network device.
  • the RRC resume request message may be RRCResumeRequest or RRCResumeRequest1.
  • Step 302 the network device sends an RRC recovery message to the terminal device.
  • the RRC resume message may be RRCResume.
  • Step 303 the terminal device sends an RRC recovery complete message to the network device.
  • the RRC resume complete message may be RRCResumeComplete.
  • the network device does not know which type of bearer has a data transmission requirement, so the network device cannot determine whether to activate the SCG.
  • MCG side in the embodiment of the present application may also be referred to as the "MN side”
  • SCG side may also be referred to as the "SN side”.
  • the technical solutions of the embodiments of the present application are applied to the DC architecture.
  • the primary node in the DC is the MN
  • the secondary node in the DC is the SN, that is, the MN and the SN are two nodes of the DC.
  • the cell group on the MN side is called MCG
  • the cell group on the SN side is called SCG.
  • the embodiment of the present application does not limit the type of DC, for example, it may be MR-DC, EN-DC, NE-DC, NR-DC and so on.
  • Fig. 4 is a schematic flowchart of a method for controlling the SCG state provided by an embodiment of the present application. As shown in Fig. 4, the method for controlling the SCG state includes the following steps:
  • Step 401 the terminal device determines whether to activate the SCG.
  • Step 402 If the terminal device determines that SCG does not need to be activated, the terminal device sends first indication information to the network device, and the network device receives the first indication information sent by the terminal device, the first indication information is used to indicate the The above-mentioned terminal device suggests that the network device does not activate the SCG or restore the SCG or deactivate the SCG.
  • Step 403 The network device sends a first command to the terminal device, and the terminal device receives the first command sent by the network device, and the first command is used to trigger the terminal device to keep the SCG in a deactivated state Or perform an SCG deactivation action.
  • the terminal device when there is uplink data to be sent, the terminal device triggers an RRC recovery process and determines whether the SCG needs to be activated.
  • uplink data to be sent which can also be understood as the arrival of the uplink data.
  • the terminal device refers to a terminal device in an RRC inactive state and configured with a DC.
  • the terminal device may determine whether to activate the SCG in any of the following manners.
  • Mode 1 If the terminal device determines that the bearer on the SCG side does not need to be used, the terminal device determines that the SCG does not need to be activated; if the terminal device determines that the bearer on the SCG side needs to be used, the terminal device determines that the SCG side needs to be Activate the SCG.
  • the bearer on the SCG side includes at least one of the following: MN terminated SCG Bearer, MN terminated split Bearer, SN terminated MCG Bearer, SN terminated SCG Bearer, SN terminated split Bearer.
  • Way 2 The terminal device determines whether to activate the SCG according to its own implementation.
  • the terminal device determines that the SCG does not need to be activated, the terminal device sends first indication information to the network device, and the first indication information is used to instruct the terminal device to suggest that the network device not activate the SCG Either do not restore the SCG or deactivate the SCG.
  • the terminal device receives a first command sent by the network device, where the first command is used to trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior.
  • the network device may be a base station.
  • the terminal device sends an RRC recovery request message to the network device, and the network device receives the RRC recovery request message sent by the terminal device, and the RRC recovery request message carries the first indication information.
  • the network device sends an RRC recovery message to the terminal device, and the terminal device receives the RRC recovery message sent by the network device, where the RRC recovery message carries the first command.
  • the RRC recovery request message is MSG3 in the RRC recovery process, and the terminal device sends the first indication information to the network device through MSG3.
  • the RRC recovery message is MSG4 in the RRC recovery process, and the network device sends the first command to the terminal device through MSG4.
  • the first indication information is a spare bit (spare bit) in the RRC recovery request message, and the value of the spare bit is set to the first value to indicate that the SCG is not activated or is not Restore SCG or deactivate SCG.
  • the first value is eg 1.
  • the first indication information is the first information element IE in the RRC recovery request message, and the value of the first IE is set to the first value to indicate that the SCG is not activated or is not Restore SCG or deactivate SCG.
  • the first value is, for example, 1 or true.
  • the first IE is an IE newly defined in the RRC recovery request message.
  • the name of the first IE may be scgDeactivation. It should be noted that, the present application does not limit the name of the first IE.
  • the first indication information is a first cause value in the RRC recovery request message, and the first cause value is used to indicate that the SCG is not activated or the SCG is not recovered or the SCG is deactivated.
  • the first cause value is a newly defined cause value in Resumecause, and the cause value indicates not to activate the SCG or not to restore the SCG or to deactivate the SCG.
  • the first cause value is "scg-Deactivation". It should be noted that the present application does not limit the name of the first cause value.
  • the terminal device sends an RRC recovery request message to the network device, and the network device receives the RRC recovery request message sent by the terminal device, and carries the logical channel of the common control channel (CCCH) of the RRC recovery request message
  • the identifier (LCID) is a first LCID, and the first LCID is used to represent the first indication information.
  • the network device sends an RRC recovery message to the terminal device, and the terminal device receives the RRC recovery message sent by the network device, where the RRC recovery message carries the first command.
  • the RRC recovery request message is MSG3 in the RRC recovery process, and the terminal device indicates to the network device not to activate the SCG or not to restore the SCG or to deactivate the SCG through the LCID of the CCCH carrying the MSG3.
  • the RRC recovery message is MSG4 in the RRC recovery process, and the network device sends the first command to the terminal device through MSG4.
  • the first LCID is a newly defined LCID, and by setting the LCID of the CCCH carrying the RRC recovery request message as the first LCID, it implicitly indicates not to activate the SCG or not to restore the SCG or to deactivate the SCG.
  • the first LCID includes two LCIDs, one LCID of the two LCIDs corresponds to a 64-bit CCCH, and the other LCID corresponds to a 48-bit CCCH.
  • two LCIDs are newly defined, and their Codepoint/Index are 35 and 36 respectively, wherein the LCID with Codepoint/Index of 35 is the LCID for 64-bit CCCH, and the LCID with Codepoint/Index of 36 is For the LCID of the 48-bit CCCH, the two LCIDs are used to indicate that the SCG is not activated or the SCG is not restored or the SCG is deactivated.
  • the terminal device sends the RRC recovery complete message to the network device, the network device receives the RRC recovery complete message sent by the terminal device, and the RRC recovery complete message carries the first indication information.
  • the network device sends RRC signaling or MAC CE to the terminal device, and the terminal device receives the RRC signaling or MAC CE sent by the network device, and the RRC signaling or MAC CE carries the first command.
  • the RRC recovery completion message is MSG5 in the RRC recovery process, and the terminal device sends the first indication information to the network device by carrying MSG5.
  • the terminal device For a terminal device in the RRC inactive state and configured with MR-DC, when the uplink data arrives, the terminal device is triggered to execute the RRC recovery process.
  • the terminal device sends the first indication information to the network device through the RRC recovery request message (that is, MSG3), and the first indication information is used to indicate that the network device should not activate the SCG or not activate the SCG. Restore SCG or deactivate SCG. If the terminal device judges that the SCG needs to be activated, the terminal device may directly send the RRC recovery request message, that is, the terminal device does not send the first indication information.
  • the RRC recovery request message that is, MSG3
  • the network device receives the RRC recovery request message. If the first indication information is obtained through the RRC recovery request message, the network device judges whether to activate the SCG, if the SCG is not activated, the network device sends the first command to the terminal device through the RRC recovery message (ie MSG4), and the first command uses To trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior. If the first indication information is not obtained through the RRC recovery request message, the network device activates the SCG by default, and the network device sends a second command to the terminal device through the RRC recovery message (ie MSG4), and the second command is used to trigger the terminal device Restore the SCG or perform SCG activation actions.
  • the network device judges whether to activate the SCG, if the SCG is not activated, the network device sends the first command to the terminal device through the RRC recovery message (ie MSG4), and the first command uses To trigger the terminal device to keep the SCG in a deactivated state or
  • the terminal device receives the RRC recovery message, and if the first command is obtained through the RRC recovery message, the terminal device keeps the SCG in a deactivated state or performs an SCG deactivation behavior.
  • the terminal device sends an RRC recovery completion message (ie MSG5) to the network device.
  • the terminal device For a terminal device in the RRC inactive state and configured with MR-DC, when the uplink data arrives, the terminal device is triggered to execute the RRC recovery process.
  • the terminal device sends an RRC recovery request message (that is, MSG3) to the network device.
  • RRC recovery request message that is, MSG3
  • the network device receives the RRC recovery request message, sends an RRC recovery message (ie MSG4) to the terminal device, and the network device sends a second command to the terminal device through the RRC recovery message, and the second command is used to trigger the terminal device to recover the SCG Or perform SCG activation behavior.
  • RRC recovery message ie MSG4
  • the terminal device judges whether to activate the SCG.
  • the terminal device If the terminal device judges that the SCG does not need to be activated, the terminal device sends the first indication information to the network device through the RRC recovery complete message (that is, MSG5), and the first indication information is used to indicate that the network device should not activate the SCG or not activate the SCG. Restore SCG or deactivate SCG. If the terminal device judges that the SCG needs to be activated, the terminal device may directly send the RRC recovery complete message, that is, the terminal device does not send the first indication information.
  • the RRC recovery complete message that is, MSG5
  • the network device receives the RRC recovery completion message. If the first indication information is obtained through the RRC recovery completion message, the network device determines whether to activate the SCG, if the SCG is not activated, the network device sends the first command to the terminal device through RRC signaling or MAC CE, and the first command is used for Triggering the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior. If the first indication information is not obtained through the RRC recovery complete message, the network device activates the SCG by default, and the procedure ends.
  • the terminal device determines whether the SCG needs to be activated, and determines that it does not need to be activated.
  • SCG indicate to the network device that the network device should not activate the SCG or restore the SCG or deactivate the SCG, so that the network device will issue a first command to the terminal device, and the first command is used to trigger the terminal device to maintain
  • the SCG is in a deactivated state or performs an SCG deactivation behavior. In this way, accurate control of the state of the SCG is realized, and the purpose of power saving of the terminal equipment is achieved. In addition, the purpose of rapidly activating SCG can also be achieved.
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the order of execution of the processes should be determined by their functions and internal logic, and should not be used in this application.
  • the implementation of the examples constitutes no limitation.
  • the terms “downlink”, “uplink” and “sidelink” are used to indicate the transmission direction of signals or data, wherein “downlink” is used to indicate that the transmission direction of signals or data is sent from the station The first direction to the user equipment in the cell, “uplink” is used to indicate that the signal or data transmission direction is the second direction sent from the user equipment in the cell to the station, and “side line” is used to indicate that the signal or data transmission direction is A third direction sent from UE1 to UE2.
  • “downlink signal” indicates that the transmission direction of the signal is the first direction.
  • the term “and/or” is only an association relationship describing associated objects, indicating that there may be three relationships. Specifically, A and/or B may mean: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this article generally indicates that the contextual objects are an "or” relationship.
  • Fig. 5 is a schematic diagram of the first structural composition of the device for controlling the SCG state provided by the embodiment of the present application, which is applied to a terminal device.
  • the device for controlling the SCG state includes:
  • a determining unit 501 configured to determine whether the SCG needs to be activated
  • the sending unit 502 is configured to send first indication information to the network device if it is determined that the SCG does not need to be activated, the first indication information being used to instruct the terminal device to suggest that the network device not activate the SCG or not restore the SCG or deactivate the SCG ;
  • the receiving unit 503 is configured to receive a first command sent by the network device, where the first command is used to trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation action.
  • the determining unit 501 is configured to determine to trigger an RRC recovery process and determine whether to activate the SCG when there is uplink data to be sent.
  • the sending unit 502 is configured to send an RRC recovery request message to a network device, where the RRC recovery request message carries the first indication information.
  • the first indication information is a spare bit in the RRC recovery request message, and the value of the spare bit is set to the first value to indicate that the SCG is not activated or the SCG is not restored or the SCG is deactivated. Activate the SCG.
  • the first indication information is the first IE in the RRC recovery request message, and the value of the first IE is set to the first value to indicate that the SCG is not activated or the SCG is not recovered Or deactivate SCG.
  • the first indication information is a first cause value in the RRC recovery request message, and the first cause value is used to indicate that the SCG is not activated or the SCG is not recovered or the SCG is deactivated.
  • the sending unit 502 is configured to send an RRC recovery request message to the network device, the LCID of the CCCH carrying the RRC recovery request message is a first LCID, and the first LCID is used to represent the the first instruction information.
  • the first LCID includes two LCIDs, one LCID of the two LCIDs corresponds to a 64-bit CCCH, and the other LCID corresponds to a 48-bit CCCH.
  • the receiving unit 503 is configured to receive an RRC recovery message sent by the network device, where the RRC recovery message carries the first command.
  • the sending unit 502 is configured to send an RRC recovery complete message to the network device, where the RRC recovery complete message carries the first indication information.
  • the receiving unit 503 is configured to receive RRC signaling or MAC CE sent by the network device, where the RRC signaling or MAC CE carries the first command.
  • the determining unit 501 is configured to determine that the SCG does not need to be activated if it is determined that the bearer on the SCG side does not need to be used; and determine that the SCG needs to be activated if it is determined that the bearer on the SCG side needs to be used.
  • the determining unit 501 is configured to determine whether to activate the SCG according to its own implementation.
  • Fig. 6 is a schematic diagram of the second structural composition of the device for controlling the SCG state provided by the embodiment of the present application, which is applied to network equipment. As shown in Fig. 6, the device for controlling the SCG state includes:
  • the receiving unit 601 is configured to receive first indication information sent by the terminal device, where the first indication information is used to instruct the terminal device to suggest that the network device not activate the SCG or not restore the SCG or deactivate the SCG;
  • the sending unit 602 is configured to send a first command to the terminal device, where the first command is used to trigger the terminal device to keep the SCG in a deactivated state or perform an SCG deactivation behavior.
  • the receiving unit 601 is configured to receive an RRC recovery request message sent by a terminal device, where the RRC recovery request message carries the first indication information.
  • the first indication information is a spare bit in the RRC recovery request message, and the value of the spare bit is set to the first value to indicate that the SCG is not activated or the SCG is not restored or the SCG is deactivated. Activate the SCG.
  • the first indication information is the first IE in the RRC recovery request message, and the value of the first IE is set to the first value to indicate that the SCG is not activated or the SCG is not recovered Or deactivate SCG.
  • the first indication information is a first cause value in the RRC recovery request message, and the first cause value is used to indicate that the SCG is not activated or the SCG is not recovered or the SCG is deactivated.
  • the receiving unit 601 is configured to receive the RRC recovery request message sent by the terminal device, the LCID of the CCCH carrying the RRC recovery request message is the first LCID, and the first LCID is used to represent The first indication information.
  • the first LCID includes two LCIDs, one LCID of the two LCIDs corresponds to a 64-bit CCCH, and the other LCID corresponds to a 48-bit CCCH.
  • the sending unit 602 is configured to send an RRC recovery message to the terminal device, where the RRC recovery message carries the first command.
  • the receiving unit 601 is configured to receive an RRC recovery complete message sent by the terminal device, where the RRC recovery complete message carries the first indication information.
  • the sending unit 602 is configured to send RRC signaling or MAC CE to the terminal device, where the RRC signaling or MAC CE carries the first command.
  • FIG. 7 is a schematic structural diagram of a communication device 700 provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 700 may further include a memory 720 .
  • the processor 710 can invoke and run a computer program from the memory 720, so as to implement the method in the embodiment of the present application.
  • the memory 720 may be an independent device independent of the processor 710 , or may be integrated in the processor 710 .
  • the communication device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate with other devices, specifically, to send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 710 may control the transceiver 730 to communicate with other devices, specifically, to send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 700 may specifically be the network device of the embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 700 may specifically be the mobile terminal/terminal device of the embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, for the sake of brevity , which will not be repeated here.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the chip 800 may further include a memory 820 .
  • the processor 810 can call and run a computer program from the memory 820, so as to implement the method in the embodiment of the present application.
  • the memory 820 may be an independent device independent of the processor 810 , or may be integrated in the processor 810 .
  • the chip 800 may also include an input interface 830 .
  • the processor 810 may control the input interface 830 to communicate with other devices or chips, specifically, may obtain information or data sent by other devices or chips.
  • the chip 800 may also include an output interface 840 .
  • the processor 810 can control the output interface 840 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in the methods of the embodiment of the present application.
  • the chip can implement the corresponding processes implemented by the network device in the methods of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • FIG. 9 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 9 , the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 920 can be used to realize the corresponding functions realized by the network device in the above method.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Program logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the methods of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in the methods of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application , for the sake of brevity, it is not repeated here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the Let me repeat for the sake of brevity, the Let me repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the methods of the embodiments of the present application, For the sake of brevity, details are not repeated here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program executes the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program executes the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program executes each method in the embodiment of the present application to be implemented by the mobile terminal/terminal device
  • the corresponding process will not be repeated here.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disc, etc., which can store program codes. .

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Abstract

本申请实施例提供一种控制SCG状态的方法及装置、终端设备、网络设备，该方法包括：终端设备确定是否需要激活SCG；若所述终端设备确定不需要激活SCG，则所述终端设备向网络设备发送第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；所述终端设备接收所述网络设备发送的第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。

Description

一种控制SCG状态的方法及装置、终端设备、网络设备 技术领域
本申请实施例涉及移动通信技术领域，具体涉及一种控制辅小区组(Secondary Cell Group，SCG)状态的方法及装置、终端设备、网络设备。
背景技术
终端设备发起无线资源控制(Radio Resource Control，RRC)恢复过程时，网络设备会通过RRC恢复消息为终端设备恢复之前配置的SCG或者为终端设备配置新的SCG。
SCG的状态引入去激活状态之后，网络设备可以在RRC恢复消息中设置SCG的状态是激活状态还是去激活状态。然而，由于RRC恢复过程的触发原因不确定，导致网络设备无法确定是否需要恢复SCG。
发明内容
本申请实施例提供一种控制SCG状态的方法及装置、终端设备、网络设备、芯片、计算机可读存储介质、计算机程序产品、计算机程序。
本申请实施例提供了一种控制SCG状态的方法，所述方法包括：
终端设备确定是否需要激活SCG；
若所述终端设备确定不需要激活SCG，则所述终端设备向网络设备发送第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
所述终端设备接收所述网络设备发送的第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
本申请实施例提供了一种控制SCG状态的方法，所述方法包括：
网络设备接收终端设备发送的第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
所述网络设备向所述终端设备发送第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
本申请实施例提供了一种控制SCG状态的装置，应用于终端设备，所述装置包括：
确定单元，用于确定是否需要激活SCG；
发送单元，用于若确定不需要激活SCG，则向网络设备发送第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
接收单元，用于接收所述网络设备发送的第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
本申请实施例提供了一种控制SCG状态的装置，应用于网络设备，所述装置包括：
接收单元，用于接收终端设备发送的第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
发送单元，用于向所述终端设备发送第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
本申请实施例提供的终端设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述的控制SCG状态的方法。
本申请实施例提供的网络设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述的控制SCG状态的方法。
本申请实施例提供的芯片，用于实现上述的控制SCG状态的方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行上述的控制SCG状态的方法。
本申请实施例提供的计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述的控制SCG状态的方法。
本申请实施例提供的计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述的控制SCG状态的方法。
本申请实施例提供的计算机程序，当其在计算机上运行时，使得计算机执行上述的控制SCG状态的方法。
通过上述技术方案，对于处于RRC非激活(RRC_INACTIVE)状态且配置了双连接(Dual Connectivity，DC)的终端设备，当上行数据到达时触发终端设备执行RRC恢复过程时，终端设备确定是否需要激活SCG，并在确定不需要激活SCG的情况下，向网络设备指示建议网络设备不激活SCG或者不恢复SCG或者去激活SCG，从而网络设备会向终端设备下发第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。如此，实现了SCG状态的准确控制，
达到终端设备省电的目的。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1是本申请实施例的一个应用场景的示意图；
图2是本申请实施例提供的承载类型的示意图；
图3是本申请实施例提供的RRC恢复过程的流程图；
图4是本申请实施例提供的控制SCG状态的方法的流程示意图；
图5是本申请实施例提供的控制SCG状态的装置的结构组成示意图一；
图6是本申请实施例提供的控制SCG状态的装置的结构组成示意图二；
图7是本申请实施例提供的一种通信设备示意性结构图；
图8是本申请实施例的芯片的示意性结构图；
图9是本申请实施例提供的一种通信系统的示意性框图。
具体实施方式
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描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。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。
图1是本申请实施例的一个应用场景的示意图。
如图1所示，通信系统100可以包括终端设备110和网络设备120。网络设备120可以通过空口与终端设备110通信。终端设备110和网络设备120之间支持多业务传输。
应理解，本申请实施例仅以通信系统100进行示例性说明，但本申请实施例不限定于此。也就是说，本申请实施例的技术方案可以应用于各种通信系统，例如：长期演进(Long Term Evolution，LTE)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、物联网(Internet of Things，IoT)系统、窄带物联网(Narrow Band Internet of Things，NB-IoT)系统、增强的机器类型通信(enhanced Machine-Type Communications，eMTC)系统、5G通信系统(也称为新无线(New Radio，NR)通信系统)，或未来的通信系统等。
在图1所示的通信系统100中，网络设备120可以是与终端设备110通信的接入网设备。接入网设备可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端设备110(例如UE)进行通信。
网络设备120可以是长期演进(Long Term Evolution，LTE)系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是下一代无线接入网(Next Generation Radio Access Network，NG RAN)设备，或者是NR系统中的基站(gNB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网络设备120可以为中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器，或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。
终端设备110可以是任意终端设备，其包括但不限于与网络设备120或其它终端设备采用有线或者无线连接的终端设备。
例如，所述终端设备110可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、IoT设备、卫星手持终端、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端设备或者未来演进网络中的终端设备等。
终端设备110可以用于设备到设备(Device to Device，D2D)的通信。
无线通信系统100还可以包括与基站进行通信的核心网设备130，该核心网设备130可以是5G核心网(5G Core，5GC)设备，例如，接入与移动性管理功能(Access and Mobility Management Function，AMF)，又例如，认证服务器功能(Authentication Server Function，AUSF)，又例如，用户面功能(User Plane Function，UPF)，又例如，会话管理功能(Session Management Function，SMF)。可选地，核心网络设备130也可以是LTE网络的分组核心演进(Evolved Packet Core，EPC)设备，例如，会话管理功能+核心网络的数据网关(Session Management Function+Core Packet Gateway，SMF+PGW-C)设备。应理解，SMF+PGW-C可以同时实现SMF和PGW-C所能实现的功能。在网络演进过程中，上述核心网设备也有可能叫其它名字，或者通过对核心网的功能进行划分形成新的网络实体，对此本申请实施例不做限制。
通信系统100中的各个功能单元之间还可以通过下一代网络(next generation，NG)接口建立连接实现通信。
例如，终端设备通过NR接口与接入网设备建立空口连接，用于传输用户面数据和控制面信令；终端设备可以通过NG接口1(简称N1)与AMF建立控制面信令连接； 接入网设备例如下一代无线接入基站(gNB)，可以通过NG接口3(简称N3)与UPF建立用户面数据连接；接入网设备可以通过NG接口2(简称N2)与AMF建立控制面信令连接；UPF可以通过NG接口4(简称N4)与SMF建立控制面信令连接；UPF可以通过NG接口6(简称N6)与数据网络交互用户面数据；AMF可以通过NG接口11(简称N11)与SMF建立控制面信令连接；SMF可以通过NG接口7(简称N7)与PCF建立控制面信令连接。
图1示例性地示出了一个基站、一个核心网设备和两个终端设备，可选地，该无线通信系统100可以包括多个基站设备并且每个基站的覆盖范围内可以包括其它数量的终端设备，本申请实施例对此不做限定。
需要说明的是，图1只是以示例的形式示意本申请所适用的系统，当然，本申请实施例所示的方法还可以适用于其它系统。此外，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种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。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。还应理解，在本申请的实施例中提到的“指示”可以是直接指示，也可以是间接指示，还可以是表示具有关联关系。举例说明，A指示B，可以表示A直接指示B，例如B可以通过A获取；也可以表示A间接指示B，例如A指示C，B可以通过C获取；还可以表示A和B之间具有关联关系。还应理解，在本申请的实施例中提到的“对应”可表示两者之间具有直接对应或间接对应的关系，也可以表示两者之间具有关联关系，也可以是指示与被指示、配置与被配置等关系。还应理解，在本申请的实施例中提到的“预定义”或“预定义规则”可以通过在设备(例如，包括终端设备和网络设备)中预先保存相应的代码、表格或其他可用于指示相关信息的方式来实现，本申请对于其具体的实现方式不做限定。比如预定义可以是指协议中定义的。还应理解，本申请实施例中，所述"协议"可以指通信领域的标准协议，例如可以包括LTE协议、NR协议以及应用于未来的通信系统中的相关协议，本申请对此不做限定。
为便于理解本申请实施例的技术方案，以下对本申请实施例的相关技术进行说明，以下相关技术作为可选方案与本申请实施例的技术方案可以进行任意结合，其均属于本申请实施例的保护范围。
随着人们对速率、延迟、高速移动性、能效的追求以及未来生活中业务的多样性、复杂性，为此第三代合作伙伴计划(3 rd Generation Partnership Project，3GPP)国际标准组织开始研发5G。5G的主要应用场景为：增强移动超宽带(enhanced Mobile Broadband，eMBB)、低时延高可靠通信(Ultra-Reliable Low-Latency Communications，URLLC)、大规模机器类通信(massive Machine-Type Communications，mMTC)。
一方面，eMBB仍然以用户获得多媒体内容、服务和数据为目标，其需求增长十分迅速。另一方面，由于eMBB可能部署在不同的场景中，例如室内，市区，农村等，其能力和需求的差别也比较大，所以不能一概而论，必须结合具体的部署场景详细分析。URLLC的典型应用包括：工业自动化，电力自动化，远程医疗操作(手术)，交通安全保障等。mMTC的典型特点包括：高连接密度，小数据量，时延不敏感业务，模块的低成本和长使用寿命等。
在NR早期部署时，完整的NR覆盖很难获取，所以典型的网络覆盖是广域的LTE覆盖和NR的孤岛覆盖模式。而且大量的LTE部署在6GHz以下，可用于5G的6GHz以下频谱很少。所以NR必须研究6GHz以上的频谱应用，而高频段覆盖有限、信号衰落快。同时为了保护移动运营商前期在LTE投资，提出了LTE和NR之间紧密合作(tight interworking)的工作模式。
为了能够尽快实现5G网络部署和商业应用，3GPP在2017年12底前首先完成第一个5G版本，即E-UTRA和NR双连接(E-UTRA-NR Dual Connectivity，EN-DC)。在EN-DC中，LTE基站(eNB)作为主节点(Master Node，MN)，NR基站(gNB或en-gNB)作为辅节点(Secondary Node，SN)。其中MN主要负责RRC控制功能以及通向核心网的控制面；SN可以配置辅助的信令，例如SRB3，主要提供数据传输功能。
在R15后期，将支持其他双连接(Dual Connectivity，DC)模式，即NR和E-UTRA双连接(NR-E-UTRA Dual Connectivity，NE-DC)，5GC-EN-DC，NR DC。对于EN-DC，接入网络连接的核心网是演进型分组核心网(Evolved Packet Core network，EPC)，而其他DC模式连接的核心网是5G核心网(5G Core Network，5GC)。
在多RAT双连接(Multi-RAT Dual Connectivity，MR-DC)中，参照图2，承载类型分为MN终结的MCG承载(MN terminated MCG Bearer)、MN终结的SCG承载(MN terminated SCG Bearer)、MN终结的分流承载(MN terminated split Bearer)、SN终结的MCG承载(SN terminated MCG Bearer)、SN终结的SCG承载(SN terminated SCG Bearer)、SN终结的分流承载(SN terminated split Bearer)。其中，“MN终结的(MN terminated)”的意思是承载使用的分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)资源(即PDCP实体)位于MN侧，“SN终结的(SN terminated)”的意思是承载使用的PDCP资源位于SN侧。“MCG承载”的意思是承载使用的RLC/MAC/PHY资源位于MN侧，“SCG承载”的意思是承载使用的RLC/MAC/PHY资源位于SN侧，“分流承载”的意思是承载使用的RLC/MAC/PHY资源位于MN和SN侧。
为了支持终端设备的节能以及快速建立SCG，SCG的状态引入了去激活状态，SCG被去激活后进入去激活状态，SCG被激活后进入激活状态。SCG被去激活后，终端设备在SCG上不监听PDCCH，不执行数据的发送和接收。SCG处于激活状态相比较SCG处于去激活状态来说，SCG侧所占据的资源是不同的。
对于处于RRC非激活状态且配置了DC的终端设备，当上行数据到达时触发终端设备执行RRC恢复过程时，网络设备可以通过RRC恢复消息为终端设备恢复之前配置的SCG或者为终端设备配置新的SCG。SCG的状态引入去激活状态之后，网络设备可以在RRC恢复消息中设置SCG的状态是激活状态还是去激活状态。
图3是本申请实施例提供的RRC恢复过程的流程图，如图3所示，包括以下步骤：
步骤301：终端设备向网络设备发送RRC恢复请求消息。
这里，RRC恢复请求消息可以是RRCResumeRequest或者RRCResumeRequest1。
步骤302：网络设备向终端设备发送RRC恢复消息。
这里，RRC恢复消息可以是RRCResume。
步骤303：终端设备向网络设备发送RRC恢复完成消息。
这里，RRC恢复完成消息可以是RRCResumeComplete。
然而，由于上行数据到达触发的RRC恢复过程，网络设备并不知道哪种类型的承载存在数据发送需求，因此网络设备无法确定是否需要激活SCG。
为此，提出了本申请实施例的以下技术方案。
需要说明的是，本申请实施例中对于“MCG侧”的描述也可以称为“MN侧”，对于“SCG侧”的描述也可以称为“SN侧”。
本申请实施例的技术方案应用于DC架构，DC中的主节点即为MN，DC中的辅节点即为SN，即MN和SN为DC的两个节点。MN侧的小区组称为MCG，SN侧的小区组称为SCG。本申请实施例对DC的类型不做限制，例如可以是MR-DC、EN-DC、NE-DC、NR-DC等等。
为便于理解本申请实施例的技术方案，以下通过具体实施例详述本申请的技术方案。 以上相关技术作为可选方案与本申请实施例的技术方案可以进行任意结合，其均属于本申请实施例的保护范围。本申请实施例包括以下内容中的至少部分内容。
图4是本申请实施例提供的控制SCG状态的方法的流程示意图，如图4所示，所述控制SCG状态的方法包括以下步骤：
步骤401：终端设备确定是否需要激活SCG。
步骤402：若所述终端设备确定不需要激活SCG，则所述终端设备向网络设备发送第一指示信息，网络设备接收终端设备发送的第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG。
步骤403：所述网络设备向所述终端设备发送第一命令，所述终端设备接收所述网络设备发送的第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
本申请实施例中，所述终端设备在存在待发送的上行数据的情况下，触发RRC恢复过程并确定是否需要激活SCG。
这里，存在待发送的上行数据，也可以理解为，上行数据达到。
这里，所述终端设备是指处于RRC非激活状态且配置了DC的终端设备。
本申请实施例中，终端设备可以通过以下任意一种方式确定是否需要激活SCG。
方式一：若所述终端设备确定SCG侧的承载不需要被使用，则所述终端设备确定不需要激活SCG；若所述终端设备确定SCG侧的承载需要被使用，则所述终端设备确定需要激活SCG。
这里，SCG侧的承载包括以下至少之一：MN terminated SCG Bearer、MN terminated split Bearer、SN terminated MCG Bearer、SN terminated SCG Bearer、SN terminated split Bearer。
方式二：所述终端设备根据自身实现确定是否需要激活SCG。
本申请实施例中，若所述终端设备确定不需要激活SCG，则所述终端设备向网络设备发送第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG。所述终端设备接收所述网络设备发送的第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
在一些可选实施方式中，所述网络设备可以是基站。
以下结合不同的方案对所述第一指示信息和所述第一命令的实现方式进行说明。
方案一
本申请实施例中，所述终端设备向网络设备发送RRC恢复请求消息，所述网络设备接收终端设备发送的RRC恢复请求消息，所述RRC恢复请求消息携带所述第一指示信息。所述网络设备向所述终端设备发送RRC恢复消息，所述终端设备接收所述网络设备发送的RRC恢复消息，所述RRC恢复消息携带所述第一命令。
这里，所述RRC恢复请求消息也即RRC恢复过程中的MSG3，终端设备通过MSG3向网络设备发送第一指示信息。所述RRC恢复消息也即RRC恢复过程中的MSG4，网络设备通过MSG4向终端设备发送第一命令。
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的备用比特(spare bit)，所述备用比特的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。作为示例，第一值例如为1。
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的第一信元IE，所述第一IE的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。作为示例，第一值例如为1或者ture。
这里，第一IE为RRC恢复请求消息中新定义的一个IE，作为示例，参照以下表1中的内容，第一IE的名称可以是scgDeactivation。需要说明的是，本申请对第一IE的名称不做限制。
Figure PCTCN2021107435-appb-000001
表1
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的第一原因值，所述第一原因值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
这里，第一原因值为Resumecause中新定义的一个原因值，该原因值指示不激活SCG或者不恢复SCG或者去激活SCG。作为示例，参照以下表2，第一原因值为“scg-Deactivation”。需要说明的是，本申请对第一原因值的名称不做限制。
Figure PCTCN2021107435-appb-000002
表2
方案二
本申请实施例中，所述终端设备向网络设备发送RRC恢复请求消息，所述网络设备接收终端设备发送的RRC恢复请求消息，承载所述RRC恢复请求消息的公共控制信道(CCCH)的逻辑信道标识(LCID)为第一LCID，所述第一LCID用于表征所述第一指示信息。所述网络设备向所述终端设备发送RRC恢复消息，所述终端设备接收所述网络设备发送的RRC恢复消息，所述RRC恢复消息携带所述第一命令。
这里，所述RRC恢复请求消息也即RRC恢复过程中的MSG3，终端设备通过承载MSG3的CCCH的LCID向网络设备指示不激活SCG或者不恢复SCG或者去激活SCG。所述RRC恢复消息也即RRC恢复过程中的MSG4，网络设备通过MSG4向终端设备发送第一命令。
这里，第一LCID为新定义的LCID，通过将承载RRC恢复请求消息的CCCH的LCID设置为该第一LCID，来隐含指示不激活SCG或者不恢复SCG或者去激活SCG。
在一些可选实施方式中，所述第一LCID包括两个LCID，所述两个LCID中的一个LCID对应于64比特的CCCH，另一个LCID对应于48比特的CCCH。
作为示例，参照以下表3，新定义两个LCID，其Codepoint/Index分别为35和36，其中，Codepoint/Index为35的LCID为针对64比特的CCCH的LCID，Codepoint/Index为36的LCID为针对48比特的CCCH的LCID，这两个LCID都是用于指示不激活SCG或者不恢复SCG或者去激活SCG。
Codepoint/Index LCID values
0 CCCH of size 64 bits(referred to as"CCCH1"in TS 38.331[5])
35 CCCH of size 64 bits to indicates SCG is deactivated.
36 CCCH of size 48 bits to indicates SCG is deactivated.
1–32 Identity of the logical channel
33 Extended logical channel ID field(two-octet eLCID field)
34 Extended logical channel ID field(one-octet eLCID field)
37–44 Reserved
45 Truncated Sidelink BSR
46 Sidelink BSR
47 Reserved
48 LBT failure(four octets)
49 LBT failure(one octet)
50 BFR(one octet C i)
51 Truncated BFR(one octet C i)
52 CCCH of size 48 bits(referred to as"CCCH"in TS 38.331[5])
53 Recommended bit rate query
54 Multiple Entry PHR(four octets C i)
55 Configured Grant Confirmation
56 Multiple Entry PHR(one octet C i)
57 Single Entry PHR
58 C-RNTI
59 Short Truncated BSR
60 Long Truncated BSR
61 Short BSR
62 Long BSR
63 Padding
表3
方案三
所述终端设备向网络设备发送的RRC恢复完成消息，所述网络设备接收所述终端设备发送的RRC恢复完成消息，所述RRC恢复完成消息携带所述第一指示信息。所述网络设备向所述终端设备发送RRC信令或者MAC CE，所述终端设备接收所述网络设备发送的RRC信令或者MAC CE，所述RRC信令或者MAC CE携带所述第一命令。
这里，所述RRC恢复完成消息也即RRC恢复过程中的MSG5，终端设备通过承载MSG5向网络设备发送第一指示信息。
以下结合具体应用实例对本申请实施例的技术方案进行举例说明。
应用实例一
对于处于RRC非激活状态且配置了MR-DC的终端设备，当上行数据到达时触发终端设备执行RRC恢复过程。
1)终端设备判断是否需要激活SCG。
2)若终端设备判断不需要激活SCG，则终端设备通过RRC恢复请求消息(也即MSG3)向网络设备发送第一指示信息，所述第一指示信息用于指示建议网络设备不激活SCG或者不恢复SCG或者去激活SCG。若终端设备判断需要激活SCG，则终端设备直接发送RRC恢复请求消息即可，即终端设备不发送第一指示信息。
这里，第一指示信息的实现方式可以参照前述相关方案。
3)网络设备接收RRC恢复请求消息。若通过RRC恢复请求消息获得第一指示信息，则网络设备判决是否激活SCG，如果不激活SCG，则网络设备通过RRC恢复消息(即MSG4)向终端设备发送第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。若通过RRC恢复请求消息未获得第一指示信息，则网络设备默认激活SCG，网络设备通过RRC恢复消息(即MSG4)向终端设备发送第二命令，所述第二命令用于触发所述终端设备恢复SCG或者执行SCG激活行为。
4)终端设备接收RRC恢复消息，若通过RRC恢复消息获得第一命令，则终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
5)终端设备向网络设备发送RRC恢复完成消息(即MSG5)。
应用实例二
对于处于RRC非激活状态且配置了MR-DC的终端设备，当上行数据到达时触发终端设备执行RRC恢复过程。
1)终端设备向网络设备发送RRC恢复请求消息(也即MSG3)。
2)网络设备接收RRC恢复请求消息，向终端设备发送RRC恢复消息(即MSG4)，网络设备通过RRC恢复消息向终端设备发送第二命令，所述第二命令用于触发所述终端设备恢复SCG或者执行SCG激活行为。
3)终端设备判断是否需要激活SCG。
4)若终端设备判断不需要激活SCG，则终端设备通过RRC恢复完成消息(也即MSG5)向网络设备发送第一指示信息，所述第一指示信息用于指示建议网络设备不激活SCG或者不恢复SCG或者去激活SCG。若终端设备判断需要激活SCG，则终端设备直接发送RRC恢复完成消息即可，即终端设备不发送第一指示信息。
这里，第一指示信息的实现方式可以参照前述相关方案。
5)网络设备接收RRC恢复完成消息。若通过RRC恢复完成消息获得第一指示信息，则网络设备判决是否激活SCG，如果不激活SCG，则网络设备通过RRC信令或者MAC CE向终端设备发送第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。若通过RRC恢复完成消息未获得第一指示信息，则网络设备默认激活SCG，流程结束。
本申请实施例的技术方案，对于处于RRC非激活状态且配置了DC的终端设备，当上行数据到达时触发终端设备执行RRC恢复过程时，终端设备确定是否需要激活SCG，并在确定不需要激活SCG的情况下，向网络设备指示建议网络设备不激活SCG或者不恢复SCG或者去激活SCG，从而网络设备会向终端设备下发第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。如此，实现了SCG状态的准确控制，达到终端设备省电的目的。此外，也可以达到快速激活SCG的目的。
以上结合附图详细描述了本申请的优选实施方式，但是，本申请并不限于上述实施方式中的具体细节，在本申请的技术构思范围内，可以对本申请的技术方案进行多种简单变型，这些简单变型均属于本申请的保护范围。例如，在上述具体实施方式中所描述的各个具体技术特征，在不矛盾的情况下，可以通过任何合适的方式进行组合，为了避免不必要的重复，本申请对各种可能的组合方式不再另行说明。又例如，本申请的各种不同的实施方式之间也可以进行任意组合，只要其不违背本申请的思想，其同样应当视为本申请所公开的内容。又例如，在不冲突的前提下，本申请描述的各个实施例和/或各个实施例中的技术特征可以和现有技术任意的相互组合，组合之后得到的技术方案也应落入本申请的保护范围。
还应理解，在本申请的各种方法实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。此外，在本申请实施例中，术语“下行”、“上行”和“侧行”用于表示信号或数据的传输方向，其中，“下行”用于表示信号或数据的传输方向为从站点发送至小区的用户设备的第一方向，“上行”用于表示信号或数据的传输方向为从小区的用户设备发送至站点的第二方向，“侧行”用于表示信号或数据的传输方向为从用户设备1发送至用户设备2的第三方向。例如，“下行信号”表示该信号的传输方向 为第一方向。另外，本申请实施例中，术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系。具体地，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。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
图5是本申请实施例提供的控制SCG状态的装置的结构组成示意图一，应用于终端设备，如图5所示，所述控制SCG状态的装置包括：
确定单元501，用于确定是否需要激活SCG；
发送单元502，用于若确定不需要激活SCG，则向网络设备发送第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
接收单元503，用于接收所述网络设备发送的第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
在一些可选实施方式中，所述确定单元501，用于在存在待发送的上行数据的情况下，确定触发RRC恢复过程并确定是否需要激活SCG。
在一些可选实施方式中，所述发送单元502，用于向网络设备发送RRC恢复请求消息，所述RRC恢复请求消息携带所述第一指示信息。
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的备用比特，所述备用比特的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的第一IE，所述第一IE的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的第一原因值，所述第一原因值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
在一些可选实施方式中，所述发送单元502，用于向网络设备发送RRC恢复请求消息，承载所述RRC恢复请求消息的CCCH的LCID为第一LCID，所述第一LCID用于表征所述第一指示信息。
在一些可选实施方式中，所述第一LCID包括两个LCID，所述两个LCID中的一个LCID对应于64比特的CCCH，另一个LCID对应于48比特的CCCH。
在一些可选实施方式中，所述接收单元503，用于接收所述网络设备发送的RRC恢复消息，所述RRC恢复消息携带所述第一命令。
在一些可选实施方式中，所述发送单元502，用于向网络设备发送的RRC恢复完成消息，所述RRC恢复完成消息携带所述第一指示信息。
在一些可选实施方式中，所述接收单元503，用于接收所述网络设备发送的RRC信令或者MAC CE，所述RRC信令或者MAC CE携带所述第一命令。
在一些可选实施方式中，所述确定单元501，用于若确定SCG侧的承载不需要被使用，则确定不需要激活SCG；若确定SCG侧的承载需要被使用，则确定需要激活SCG。
在一些可选实施方式中，所述确定单元501，用于根据自身实现确定是否需要激活SCG。
本领域技术人员应当理解，本申请实施例的上述控制SCG状态的装置的相关描述可以参照本申请实施例的控制SCG状态的方法的相关描述进行理解。
图6是本申请实施例提供的控制SCG状态的装置的结构组成示意图二，应用于网络设备，如图6所示，所述控制SCG状态的装置包括：
接收单元601，用于接收终端设备发送的第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
发送单元602，用于向所述终端设备发送第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
在一些可选实施方式中，所述接收单元601，用于接收终端设备发送的RRC恢复请求消息，所述RRC恢复请求消息携带所述第一指示信息。
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的备用比特，所述备用比特的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的第一IE，所述第一IE的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
在一些可选实施方式中，所述第一指示信息为所述RRC恢复请求消息中的第一原因值，所述第一原因值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
在一些可选实施方式中，所述接收单元601，用于接收终端设备发送的RRC恢复请求消息，承载所述RRC恢复请求消息的CCCH的LCID为第一LCID，所述第一LCID用于表征所述第一指示信息。
在一些可选实施方式中，所述第一LCID包括两个LCID，所述两个LCID中的一个LCID对应于64比特的CCCH，另一个LCID对应于48比特的CCCH。
在一些可选实施方式中，所述发送单元602，用于向所述终端设备发送RRC恢复消息，所述RRC恢复消息携带所述第一命令。
在一些可选实施方式中，所述接收单元601，用于接收所述终端设备发送的RRC恢复完成消息，所述RRC恢复完成消息携带所述第一指示信息。
在一些可选实施方式中，所述发送单元602，用于向所述终端设备发送RRC信令或者MAC CE，所述RRC信令或者MAC CE携带所述第一命令。
本领域技术人员应当理解，本申请实施例的上述控制SCG状态的装置的相关描述可以参照本申请实施例的控制SCG状态的方法的相关描述进行理解。
图7是本申请实施例提供的一种通信设备700示意性结构图。该通信设备可以终端设备，也可以是网络设备。图7所示的通信设备700包括处理器710，处理器710可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图7所示，通信设备700还可以包括存储器720。其中，处理器710可以从存储器720中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器720可以是独立于处理器710的一个单独的器件，也可以集成在处理器710中。
可选地，如图7所示，通信设备700还可以包括收发器730，处理器710可以控制该收发器730与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器730可以包括发射机和接收机。收发器730还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备700具体可为本申请实施例的网络设备，并且该通信设备700可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备700具体可为本申请实施例的移动终端/终端设备，并且该通信设备700可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
图8是本申请实施例的芯片的示意性结构图。图8所示的芯片800包括处理器810，处理器810可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图8所示，芯片800还可以包括存储器820。其中，处理器810可以从存储器820中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器820可以是独立于处理器810的一个单独的器件，也可以集成在处理器810中。
可选地，该芯片800还可以包括输入接口830。其中，处理器810可以控制该输入接口830与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片800还可以包括输出接口840。其中，处理器810可以控制该输出接口840与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的移动终端/终端设备，并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
图9是本申请实施例提供的一种通信系统900的示意性框图。如图9所示，该通信系统900包括终端设备910和网络设备920。
其中，该终端设备910可以用于实现上述方法中由终端设备实现的相应的功能，以及该网络设备920可以用于实现上述方法中由网络设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct  Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的移动终端/终端设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，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，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
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。
所述功能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，可以存储在一个计算机可读取存储介质中。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)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。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (56)

  1. 一种控制辅小区组SCG状态的方法，所述方法包括：
    终端设备确定是否需要激活SCG；
    若所述终端设备确定不需要激活SCG，则所述终端设备向网络设备发送第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
    所述终端设备接收所述网络设备发送的第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
  2. 根据权利要求1所述的方法，其中，所述终端设备确定是否需要激活SCG，包括：
    所述终端设备在存在待发送的上行数据的情况下，触发无线资源控制RRC恢复过程并确定是否需要激活SCG。
  3. 根据权利要求1或2所述的方法，其中，所述终端设备向网络设备发送第一指示信息，包括：
    所述终端设备向网络设备发送RRC恢复请求消息，所述RRC恢复请求消息携带所述第一指示信息。
  4. 根据权利要求3所述的方法，其中，所述第一指示信息为所述RRC恢复请求消息中的备用比特，所述备用比特的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  5. 根据权利要求3所述的方法，其中，所述第一指示信息为所述RRC恢复请求消息中的第一信元IE，所述第一IE的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  6. 根据权利要求3所述的方法，其中，所述第一指示信息为所述RRC恢复请求消息中的第一原因值，所述第一原因值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  7. 根据权利要求1或2所述的方法，其中，所述终端设备向网络设备发送第一指示信息，包括：
    所述终端设备向网络设备发送RRC恢复请求消息，承载所述RRC恢复请求消息的公共控制信道CCCH的逻辑信道标识LCID为第一LCID，所述第一LCID用于表征所述第一指示信息。
  8. 根据权利要求7所述的方法，其中，所述第一LCID包括两个LCID，所述两个LCID中的一个LCID对应于64比特的CCCH，另一个LCID对应于48比特的CCCH。
  9. 根据权利要求3至8中任一项所述的方法，其中，所述终端设备接收所述网络设备发送的第一命令，包括：
    所述终端设备接收所述网络设备发送的RRC恢复消息，所述RRC恢复消息携带所述第一命令。
  10. 根据权利要求1或2所述的方法，其中，所述终端设备向网络设备发送第一指示信息，包括：
    所述终端设备向网络设备发送的RRC恢复完成消息，所述RRC恢复完成消息携带所述第一指示信息。
  11. 根据权利要求10所述的方法，其中，所述终端设备接收所述网络设备发送的第一命令，包括：
    所述终端设备接收所述网络设备发送的RRC信令或者媒体接入控制MAC控制单元CE，所述RRC信令或者MAC CE携带所述第一命令。
  12. 根据权利要求1至11中任一项所述的方法，其中，所述终端设备确定是否需要激活SCG，包括：
    若所述终端设备确定SCG侧的承载不需要被使用，则所述终端设备确定不需要激活SCG；
    若所述终端设备确定SCG侧的承载需要被使用，则所述终端设备确定需要激活SCG。
  13. 根据权利要求1至11中任一项所述的方法，其中，所述终端设备确定是否需要激活SCG，包括：
    所述终端设备根据自身实现确定是否需要激活SCG。
  14. 一种控制SCG状态的方法，所述方法包括：
    网络设备接收终端设备发送的第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
    所述网络设备向所述终端设备发送第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
  15. 根据权利要求14所述的方法，其中，所述网络设备接收终端设备发送的第一指示信息，包括：
    所述网络设备接收终端设备发送的RRC恢复请求消息，所述RRC恢复请求消息携带所述第一指示信息。
  16. 根据权利要求15所述的方法，其中，所述第一指示信息为所述RRC恢复请求消息中的备用比特，所述备用比特的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  17. 根据权利要求15所述的方法，其中，所述第一指示信息为所述RRC恢复请求消息中的第一IE，所述第一IE的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  18. 根据权利要求15所述的方法，其中，所述第一指示信息为所述RRC恢复请求消息中的第一原因值，所述第一原因值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  19. 根据权利要求14所述的方法，其中，所述网络设备接收终端设备发送的第一指示信息，包括：
    所述网络设备接收终端设备发送的RRC恢复请求消息，承载所述RRC恢复请求消息的CCCH的LCID为第一LCID，所述第一LCID用于表征所述第一指示信息。
  20. 根据权利要求19所述的方法，其中，所述第一LCID包括两个LCID，所述两个LCID中的一个LCID对应于64比特的CCCH，另一个LCID对应于48比特的CCCH。
  21. 根据权利要求15至20中任一项所述的方法，其中，所述网络设备向所述终端设备发送第一命令，包括：
    所述网络设备向所述终端设备发送RRC恢复消息，所述RRC恢复消息携带所述第一命令。
  22. 根据权利要求14所述的方法，其中，所述网络设备接收终端设备发送的第一指示信息，包括：
    所述网络设备接收所述终端设备发送的RRC恢复完成消息，所述RRC恢复完成消息携带所述第一指示信息。
  23. 根据权利要求22所述的方法，其中，所述网络设备向所述终端设备发送第一命令，包括：
    所述网络设备向所述终端设备发送RRC信令或者MAC CE，所述RRC信令或者MAC CE携带所述第一命令。
  24. 一种控制SCG状态的装置，应用于终端设备，所述装置包括：
    确定单元，用于确定是否需要激活SCG；
    发送单元，用于若确定不需要激活SCG，则向网络设备发送第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
    接收单元，用于接收所述网络设备发送的第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
  25. 根据权利要求24所述的装置，其中，所述确定单元，用于在存在待发送的上行数据的情况下，确定触发RRC恢复过程并确定是否需要激活SCG。
  26. 根据权利要求24或25所述的装置，其中，所述发送单元，用于向网络设备发送RRC恢复请求消息，所述RRC恢复请求消息携带所述第一指示信息。
  27. 根据权利要求26所述的装置，其中，所述第一指示信息为所述RRC恢复请求消息中的备用比特，所述备用比特的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  28. 根据权利要求26所述的装置，其中，所述第一指示信息为所述RRC恢复请求消息中的第一IE，所述第一IE的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  29. 根据权利要求26所述的装置，其中，所述第一指示信息为所述RRC恢复请求消息中的第一原因值，所述第一原因值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  30. 根据权利要求24或25所述的装置，其中，所述发送单元，用于向网络设备发送RRC恢复请求消息，承载所述RRC恢复请求消息的CCCH的LCID为第一LCID，所述第一LCID用于表征所述第一指示信息。
  31. 根据权利要求30所述的装置，其中，所述第一LCID包括两个LCID，所述两个LCID中的一个LCID对应于64比特的CCCH，另一个LCID对应于48比特的CCCH。
  32. 根据权利要求26至31中任一项所述的装置，其中，所述接收单元，用于接收所述网络设备发送的RRC恢复消息，所述RRC恢复消息携带所述第一命令。
  33. 根据权利要求24或25所述的装置，其中，所述发送单元，用于向网络设备发送的RRC恢复完成消息，所述RRC恢复完成消息携带所述第一指示信息。
  34. 根据权利要求33所述的装置，其中，所述接收单元，用于接收所述网络设备发送的RRC信令或者MAC CE，所述RRC信令或者MAC CE携带所述第一命令。
  35. 根据权利要求24至34中任一项所述的装置，其中，所述确定单元，用于若确定SCG侧的承载不需要被使用，则确定不需要激活SCG；若确定SCG侧的承载需要被使用，则确定需要激活SCG。
  36. 根据权利要求24至34中任一项所述的装置，其中，所述确定单元，用于根据自身实现确定是否需要激活SCG。
  37. 一种控制SCG状态的装置，应用于网络设备，所述装置包括：
    接收单元，用于接收终端设备发送的第一指示信息，所述第一指示信息用于指示所述终端设备建议网络设备不激活SCG或者不恢复SCG或者去激活SCG；
    发送单元，用于向所述终端设备发送第一命令，所述第一命令用于触发所述终端设备保持SCG处于去激活状态或者执行SCG去激活行为。
  38. 根据权利要求37所述的装置，其中，所述接收单元，用于接收终端设备发送的RRC恢复请求消息，所述RRC恢复请求消息携带所述第一指示信息。
  39. 根据权利要求38所述的装置，其中，所述第一指示信息为所述RRC恢复请求消息中的备用比特，所述备用比特的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  40. 根据权利要求38所述的装置，其中，所述第一指示信息为所述RRC恢复请求消息中的第一IE，所述第一IE的取值设置为第一值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  41. 根据权利要求38所述的装置，其中，所述第一指示信息为所述RRC恢复请求消息中的第一原因值，所述第一原因值用于指示不激活SCG或者不恢复SCG或者去激活SCG。
  42. 根据权利要求37所述的装置，其中，所述接收单元，用于接收终端设备发送的RRC恢复请求消息，承载所述RRC恢复请求消息的CCCH的LCID为第一LCID，所述第一LCID用于表征所述第一指示信息。
  43. 根据权利要求42所述的装置，其中，所述第一LCID包括两个LCID，所述两个LCID中的一个LCID对应于64比特的CCCH，另一个LCID对应于48比特的CCCH。
  44. 根据权利要求38至43中任一项所述的装置，其中，所述发送单元，用于向所述终端设备发送RRC恢复消息，所述RRC恢复消息携带所述第一命令。
  45. 根据权利要求44所述的装置，其中，所述接收单元，用于接收所述终端设备发送的RRC恢复完成消息，所述RRC恢复完成消息携带所述第一指示信息。
  46. 根据权利要求45所述的装置，其中，所述发送单元，用于向所述终端设备发送RRC信令或者MAC CE，所述RRC信令或者MAC CE携带所述第一命令。
  47. 一种终端设备，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至13中任一项所述的方法。
  48. 一种网络设备，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求14至23中任一项所述的方法。
  49. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至13中任一项所述的方法。
  50. 一种芯片，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求14至23中任一项所述的方法。
  51. 一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至13中任一项所述的方法。
  52. 一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求14至23中任一项所述的方法。
  53. 一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1至13中任一项所述的方法。
  54. 一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求14至23中任一项所述的方法。
  55. 一种计算机程序，所述计算机程序使得计算机执行如权利要求1至13中任 一项所述的方法。
  56. 一种计算机程序，所述计算机程序使得计算机执行如权利要求14至23中任一项所述的方法。
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