WO2023011457A1 - Procédé et appareil de commande d'état de groupe de cellules secondaires, élément de réseau et terminal - Google Patents

Procédé et appareil de commande d'état de groupe de cellules secondaires, élément de réseau et terminal Download PDF

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Publication number
WO2023011457A1
WO2023011457A1 PCT/CN2022/109666 CN2022109666W WO2023011457A1 WO 2023011457 A1 WO2023011457 A1 WO 2023011457A1 CN 2022109666 W CN2022109666 W CN 2022109666W WO 2023011457 A1 WO2023011457 A1 WO 2023011457A1
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scg
network element
terminal
state
authorization
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PCT/CN2022/109666
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English (en)
Chinese (zh)
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蒲文娟
刘选兵
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维沃移动通信有限公司
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Publication of WO2023011457A1 publication Critical patent/WO2023011457A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to a method, device, network element and terminal for controlling the state of a secondary cell group.
  • the multiple serving cells of the terminal under the master node are called the master cell group (Master Cell Group, MCG), and the multiple serving cells under the secondary node are called the secondary cell group (Secondary Cell Group, SCG).
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • the SCG is always in an active state, resulting in more resources being consumed on the network side and more power consumption on the terminal side.
  • Embodiments of the present application provide a method, device, network element, and terminal for controlling the state of a secondary cell group, which can solve the problem that the network side consumes more resources and the terminal consumes more power.
  • a method for controlling the state of a secondary cell group including:
  • the first network element sends target information and/or receives target information, where the target information is used to control the secondary cell group SCG state of the terminal.
  • a method for controlling the state of a secondary cell group including:
  • the terminal receives target information for controlling the state of the secondary cell group SCG.
  • a secondary cell group state control device in a third aspect, the first network element includes the secondary cell group state control device, and the device includes:
  • the transfer module is configured to send target information, and/or receive target information, where the target information is used to control the secondary cell group SCG state of the terminal.
  • a secondary cell group state control device includes the secondary cell group state control device, and the device includes:
  • the receiving module is configured to receive target information for controlling the SCG state of the secondary cell group.
  • a network element is provided, the network element is a first network element, including a processor, a memory, and a program or instruction stored in the memory and operable on the processor, the program Or, when the instructions are executed by the processor, the steps of the method for controlling the state of the secondary cell group as described in the first aspect are implemented.
  • a network element is provided, the network element is a first network element, and includes a processor and a communication interface, wherein the processor or the communication interface is used to send target information, and/or receive target information information, wherein the target information is used to control the secondary cell group SCG state of the terminal.
  • a terminal including a processor, a memory, and a program or instruction stored in the memory and operable on the processor, and when the program or instruction is executed by the processor, the following is implemented: The steps of the method for controlling the state of the secondary cell group described in the second aspect.
  • a terminal including a processor and a communication interface, where the processor or the communication interface is used to receive target information for controlling the state of a secondary cell group (SCG).
  • SCG secondary cell group
  • a ninth aspect provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the method for controlling the state of the secondary cell group as described in the first aspect is implemented. or, when the program or instruction is executed by the processor, implement the steps of the method for controlling the state of the secondary cell group as described in the second aspect.
  • a chip in a tenth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the assistant described in the first aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a non-volatile storage medium, and the program/program product is executed by at least one processor to implement the first The steps of the method for controlling the state of the secondary cell group described in the aspect or the second aspect.
  • the first network element sends target information and/or receives target information, where the target information is used to control the secondary cell group SCG state of the terminal.
  • the target information is used to control the secondary cell group SCG state of the terminal.
  • FIG. 1 shows a block diagram of a wireless communication system to which an embodiment of the present application is applicable
  • FIG. 2 is one of the flow charts of a method for controlling the state of a secondary cell group provided in an embodiment of the present application
  • FIG. 3 is the second flow chart of a method for controlling the state of a secondary cell group provided in an embodiment of the present application
  • FIG. 4 is a structural diagram of an apparatus for controlling a state of a secondary cell group provided in an embodiment of the present application
  • FIG. 5 is a structural diagram of another device for controlling the state of a secondary cell group provided by an embodiment of the present application.
  • FIG. 6 is a structural diagram of another device for controlling the state of a secondary cell group provided by an embodiment of the present application.
  • FIG. 7 is a structural diagram of another secondary cell group state control device provided by an embodiment of the present application.
  • FIG. 8 is a structural diagram of another device for controlling the state of a secondary cell group provided by an embodiment of the present application.
  • FIG. 9 is a structural diagram of another device for controlling the state of a secondary cell group provided by an embodiment of the present application.
  • FIG. 10 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 11 is a structural diagram of a network element provided in an embodiment of the present application.
  • FIG. 12 is a structural diagram of a terminal provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects. It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced Long Term Evolution-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technologies can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
  • NR New Radio
  • the following description describes the New Radio (NR) system for illustrative purposes, and uses NR terminology in most of the following descriptions, but these techniques can also be applied to applications other than NR system applications, such as the 6th generation (6 th Generation, 6G) communication system.
  • 6G 6th Generation
  • Fig. 1 shows a block diagram of a wireless communication system to which the embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), Pedestrian Terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network.
  • the base station can be called Node B, evolved Node B, access point, base transceiver station (Base Transceiver Station, BTS), radio base station, radio transceiver, basic service set (Basic Service Set, BSS), extended service Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN access point, WiFi node, Transmitting Receiving Point (TRP) or all
  • the base station is not limited to a specific technical vocabulary.
  • only the base station in the NR system is used as an example, but it does not Specific types of base stations are defined.
  • two wireless access nodes/base stations can be deployed for a terminal to provide service transmission for the terminal at the same time, that is, a dual connection mode.
  • MN master node
  • SN secondary node
  • carrier aggregation technology Carrier Aggregation, CA
  • CA Carrier Aggregation
  • the cell group controlled by the master node MN is called the master cell group (MCG, Master Cell Group), and the cell group controlled by the secondary node SN is called the secondary cell group (SCG, Secondary Cell Group).
  • MCG Master Cell Group
  • SCG Secondary Cell Group
  • Each cell group includes a special cell (Special Cell, SpCell) and a series of secondary cells (Secondary Cell, SCell).
  • the special cell is called the Primary Cell (PCell)
  • the special cell is called the Primary Secondary Cell (PSCell).
  • the MN or SN initiates SCG deactivation, and the MN sends the UE Send a deactivation command to the UE.
  • the terminal may have uplink data on the SCG again, and at this time, the UE will send a BSR or initiate a random access on the SCG.
  • the SN thinks that the UE wants to activate the SCG, and puts the UE in the active state, and the SN at the SN side thinks that the SCG has entered the active state.
  • the UE receives an SCG deactivation command from the MN, and the SCG enters a deactivation state at the UE side.
  • the SN notifies the MN of the SCG activated state, and the MN considers the UE to be in the SCG activated state.
  • the understanding of the state of the SCG by the UE and the network side is opposite, and thus there is a problem of ambiguity of the state of the SCG.
  • FIG. 2 is one of the flowcharts of a method for controlling the state of a secondary cell group provided in an embodiment of the present application. As shown in FIG. 2, the method for controlling the state of a secondary cell group includes the following steps:
  • Step 201 the first network element sends target information and/or receives target information, wherein the target information is used to control the secondary cell group SCG state of the terminal.
  • the first network element may be the MN and/or the SN.
  • the first network element sends target information and/or receives target information, where the target information is used to control the secondary cell group SCG state of the terminal.
  • the target information is used to control the secondary cell group SCG state of the terminal.
  • the receiving target information includes:
  • the first network element directly activates the first authorization information of the SCG
  • the first network element directly deactivates the second authorization information of the SCG.
  • the target information may include first indication information.
  • the first network element may be an MN, and the second network element may be an SN; or, the first network element may be an SN, and the second network element may be an MN.
  • the first indication information when used to indicate the first network element to directly activate the first authorization information of the SCG, it may instruct the first network element to determine whether to Allows direct activation of SCG, for example:
  • the first network element is not allowed to directly activate the SCG.
  • the MN (second network element) indicates to the SN (first network element) that if the terminal triggers the SCG activation process, and if the SCG activation reason is recovery of MCG (MCG recovery), the first network element is allowed to Direct activation of SCG.
  • the first network element is MN
  • the second network element is SN
  • downlink (Down Link, DL) data arrives at MN
  • MN prepares to use SCG to transmit the described DL data, then it can be considered that MN triggers and activates SCG
  • terminal By sending the SCG activation request, it can be considered that the terminal triggers to activate the SCG.
  • the terminal initiates a random access or scheduling request on the SCG/PSCell, which may also be considered as the terminal sending the SCG activation request.
  • the first indication information when used to instruct the first network element to directly deactivate the second authorization information of the SCG, it may instruct the first network element to deactivate the SCG according to the trigger condition Determines whether direct SCG deactivation is allowed, for example:
  • the first network element If the deactivation of the SCG is triggered by the first network element, the first network element is not allowed to directly deactivate the SCG.
  • the first network element is MN
  • the second network element is SN.
  • the terminal requests the MN to deactivate the SCG due to overheating or low battery.
  • the MN obtains the second authorization, it can first deactivate the SCG and then notify the SN. ; If the deactivation of the SCG is triggered by the MN, the MN is not allowed to directly deactivate the SCG.
  • the terminal sends an SCG deactivation request, it may be considered that the terminal triggers SCG deactivation.
  • the terminal sends UE assistance information, which indicates SCG deactivation indication/request information.
  • the MN when the downlink data arrives at the MN and the MN wants to activate the SCG to use SCG resources, the MN needs to send an SCG activation request to the SN, and then send the SCG activation request to the UE after receiving the SN’s acceptance response to the activation request. commands, resulting in less effective SCG state control.
  • the SN may pre-send the authorization to activate the SCG to the MN in some cases, that is, the MN is allowed to send the SCG activation to the UE without the confirmation of the SN.
  • the SN can also cancel the authorization, so as to improve the effectiveness of the SCG state control.
  • the first indication information sent by the second network element is received, and the first indication information is used to indicate at least one of the following: the first authorization information for the first network element to directly activate the SCG; the first The network element directly deactivates the second authorization information of the SCG.
  • the first network element can directly activate or deactivate the SCG based on the first indication information, which can realize fast activation or deactivation of the SCG, can improve the effectiveness of the SCG state control, and can solve the problem that the effectiveness of the current SCG state control is low. problem; and can avoid frequent signaling interaction of the Xn interface.
  • the method also includes:
  • the first network element sends a response to the first indication information to the second network element; and/or,
  • the first network element sends a first request to the second network element, where the first request is used to request the second network element to send the first indication information.
  • the first network element before the first network element receives the first indication information sent by the second network element, the first network element sends a request to the second network element, requesting the second network element to send the target information; the first After the network element receives the first indication information sent by the second network element, the first network element sends a response to the first indication information to the second network element.
  • the MN applies to the SN for the first authorization
  • the SN configures or grants the first authorization to the MN
  • the MN sends an acknowledgment of the first authorization to the SN.
  • the first authorization information is used to indicate at least one of the following:
  • a first authorization where the first authorization is used to indicate that the first network element is allowed to directly activate the SCG;
  • the first authorization may be considered valid; if it is outside the valid time, it may be considered that the first authorization is cancelled.
  • the second network element when the second network element authorizes the first network element to directly activate the SCG, the second network element sends to the first network element SCG information that allows the first network element to send to the terminal, so The SCG information includes the associated SCG configuration of the first authorization.
  • the SCG configuration information associated with the first authorization is SCG configuration information sent to the terminal if the SCG is directly activated by the first network element during the valid period of the first authorization. If the first authorization is not valid (for example, the validity period of the first authorization has expired), the first network element may delete the stored associated SCG configuration.
  • the second authorization information is used to indicate at least one of the following:
  • a second authorization where the second authorization is used to indicate that the first network element is allowed to directly deactivate the SCG
  • the second network element when the second network element authorizes the first network element to directly deactivate the SCG, the second network element sends to the first network element SCG information allowing the first network element to send to the terminal,
  • the SCG information includes the associated SCG configuration of the second authorization.
  • the SCG configuration information associated with the second authorization is SCG configuration information sent to the terminal if the SCG is directly deactivated by the first network element during the valid period of the second authorization. If the second authorization is not valid (for example, the validity period of the second authorization has passed), the first network element may delete the stored associated SCG configuration.
  • the associated SCG configuration of the first authorization includes at least one of the following:
  • the target state of at least one serving cell in the SCG After the SCG is activated, the target state of at least one serving cell in the SCG;
  • the number or list of immediately activated serving cells in the SCG After the SCG is activated, the number or list of immediately activated serving cells in the SCG;
  • the available uplink resources of the SCG After the SCG is activated, the available uplink resources of the SCG;
  • the downlink resources available to the SCG After the SCG is activated, the downlink resources available to the SCG.
  • the UE can have available uplink resources such as random access resources, PUCCH resources, and configured grants. Or have available reference signal resources to perform measurements.
  • the associated SCG configuration of the second authorization is used to indicate at least one of the following:
  • the terminal clears at least part of the downlink resources of the SCG;
  • the terminal clears at least part of the uplink resources of the SCG;
  • the terminal After the SCG is deactivated, the terminal does not perform a first operation on the SCG, and the first operation includes at least one of the following:
  • Beam management Beam Failure detection (Beam Failure Detection, BFD), beam failure recovery (Beam Failure Recovery, BFR), channel state information (Channel State Information, CSI) measurement, CSI measurement reporting, random access, wireless link detection ( Radio Link Monitoring, RLM) measurement, radio resource management (Radio Resource Management, RRM) measurement.
  • Beam Failure Detection, BFD Beam Failure Detection, BFD
  • Beam Failure Recovery, BFR Beam Failure Recovery
  • Channel State Information Channel State Information
  • CSI Channel State Information
  • CSI Channel State Information
  • CSI Channel State Information
  • RLM Radio Link Monitoring
  • RRM Radio Resource Management
  • the random access resources of the SCG are deleted by associating the SCG configuration information, thereby saving network uplink resources.
  • the associated SCG configuration of the second authorization may also be generated by the first network element.
  • the method also includes:
  • the first network element When the SCG of the terminal is directly activated or deactivated by the first network element, the first network element indicates the state of the SCG to the second network element.
  • the first network element is the MN
  • the second network element is the SN
  • the method for controlling the state of the secondary cell group includes the following process:
  • the SN sends the first indication information to the MN;
  • the MN sends a response to the first indication information to the SN.
  • the first indication information can be sent at any time, for example, SN addition (increase), SN change (change), SN reconfiguration, SCG is in a deactivated state, and the first indication information is sent when the SCG is in an activated state.
  • the MN before the MN receives the first indication information sent by the SN, the MN sends a request to the SN, requesting the SN to send the target information; after the MN receives the first indication information sent by the SN, the MN sends a request to the SN for the response to the first indication message.
  • the MN when downlink data arrives at the MN and the MN wants to activate the SCG to use SCG resources, the MN sends an SCG activation request to the SN, and sends an SCG activation command to the UE after receiving the SN's acceptance response to the SCG activation request.
  • the SN may pre-send an authorization to activate the SCG to the MN in some cases, that is, allowing the MN to directly activate the UE's SCG without SN confirmation or participation.
  • the SN when conditions do not permit, the SN can also cancel the authorization. Therefore, the activation and deactivation of the SCG can be accelerated, and the effectiveness of controlling the state of the SCG can be improved.
  • the receiving target information includes receiving target information sent by a second network element, where the target information includes at least one of the following:
  • the first network element is the MN
  • the second network element is the SN
  • the method for controlling the state of the secondary cell group includes the following process:
  • the SN After receiving the RACH or SR of the UE, the SN judges the status of the SCG based on the information therein;
  • the SN If the SN judges that the SCG is still in the activated state, the SN sends to the MN indication information for indicating the status of the SCG (indicating that the SCG of the UE is currently in the activated state) and/or requesting to cancel the transmission of the SCG deactivation command;
  • the MN After receiving the indication information sent by the SN, the MN cancels the delivery of the SCG deactivation command, or sends the SCG activation command to the UE.
  • the MN can cancel the transmission, and if the SCG deactivation command has been sent, the MN can send the SCG activation command to the UE again, which can solve the problem of ambiguous SCG status. question.
  • the target information includes at least one of the following:
  • the SCG deactivation instruction includes a response to the SCG deactivation request initiated by the second network element, or the first network element may instruct the second network element to deactivate the SCG.
  • the SCG activation instruction includes a response to the SCG activation request initiated by the second network element, or the first network element may instruct the second network element to activate the SCG.
  • the SCG state indication information is used to indicate the current state of the SCG.
  • the method further includes:
  • the first network element starts a timer.
  • the method further includes:
  • the first network element does not perform at least one of the following during the running of the timer:
  • not activating the SCG may include at least one of the following:
  • the problem of ambiguity of the SCG state can be solved, thereby improving the stability of the SCG activation and deactivation control.
  • the behavior of the first network element includes at least one of the following:
  • the timer can be used to maintain the synchronization of the SCG state between the first network element and the second network element. After the first network element sends and/or receives the target information, the first network element starts the timer, which can make The network side keeps the synchronization of the SCG state.
  • the method further includes: when at least one of the following conditions is met, the first network element stops the timer:
  • An SCG release request or indication is received.
  • condition for the first network element to stop the timer further includes at least one of the following:
  • the target information includes SCG activation request, SCG activation indication or SCG status indication information
  • the first network element stops the timing device.
  • the first network element After the first network element sends the SCG deactivation request to the second network element, the first network element starts the timer, and during the running of the timer, the first network element no longer sends the SCG deactivation request.
  • the first network element receives an indication from the second network element that the SCG has been successfully deactivated, the first network element stops the timer, or the first network element does not stop the timer at this time , during the running of the timer, the first network element does not send an SCG activation request.
  • the SCG deactivation instruction sent by the first network element to the second network element may also be a response to the SCG deactivation request sent by the second network element
  • start the timer During the running of the timer, the first network element does not schedule the UE.
  • the first network element receives an indication that the SCG indicated by the second network element has been successfully deactivated, the first network element stops the timer. If the timer expires, the first network element resumes scheduling the UE, or responds to information sent by the UE on the SCG.
  • the first network element is the SN
  • the second network element is the MN
  • the SN starts the timer after sending one of the following information to the MN:
  • the SCG deactivation instruction may include a response to the SCG deactivation request initiated by the MN, or the SN may instruct the MN to deactivate the SCG.
  • the SCG activation indication includes a response to the SCG activation request initiated by the MN, or the SN instructs the MN to activate the SCG.
  • the behavior of the SN includes at least one of the following:
  • the status indication information of the SCG is not sent to the MN.
  • the SN does not send an SCG deactivation request to the MN, thereby prohibiting the SN from making frequent requests in a short period of time; during the running of the timer, the SN does not send an SCG activation request to the MN, thereby enabling The SN is prohibited from changing the SCG state frequently in a short period of time; during the running of the timer, the SN does not activate the SCG, thereby avoiding potential state inconsistencies caused by the SN activating the SCG by itself.
  • the SN After the SN sends the SCG deactivation request to the MN, the SN starts the timer, and during the running of the timer, the SN does not schedule the SCG. If the SN receives an indication from the MN that the SCG has been successfully deactivated during the running of the timer, the SN stops the timer. If the SN stops the timer after receiving the MN's rejection response to the SCG deactivation request during the running of the timer, the SN can resume scheduling the SCG.
  • the first network element is the MN
  • the second network element is the SN
  • the MN starts the timer after executing one of the following:
  • the SCG status indication information sent by the SN is received.
  • the behavior of the MN includes at least one of the following:
  • the status indication information of the SCG is not sent to the MN.
  • the sending target information includes:
  • the first network element If the first network element receives the random access message or the scheduling request sent by the terminal, and the random access message or the scheduling request does not include the second indication information, the first network element sends The terminal sends third indication information;
  • the second indication information is used to indicate that the SCG is requested to be activated or the current state of the SCG is deactivated
  • the third indication information is used to indicate that the terminal ignores the SCG received from the second network element Deactivate command.
  • the third indication information may be used to instruct the terminal to ignore the SCG deactivation command received from the second network element within a third preset duration, and the third preset duration may be 500ms, or 1s, Or 5s, etc., which is not limited in this embodiment.
  • the first network element is an SN
  • the second network element is an MN.
  • the method for controlling the state of a secondary cell group includes the following process:
  • the UE When the SCG of the UE is in the deactivated state, if uplink data arrives at the SCG, the UE initiates a RACH or SR to the SCG or the UE initiates a random access (RACH) or a scheduling request (Scheduling Request, SR) to the SCG Afterwards, the UE indicates to the SCG that it requests to activate the SCG, or indicates that the current state of the SCG is a deactivated state;
  • RACH random access
  • SR scheduling request
  • the UE receives indication information from the SN, and the indication information indicates whether the UE should execute the SCG deactivation command received from the MN. If the UE is instructed to execute the SCG deactivation command, the UE deactivates the SCG; if the UE is instructed to ignore the SCG deactivation command, the UE does not deactivate the SCG.
  • the first network element receives a random access message or a scheduling request sent by a terminal, and the random access message or the scheduling request does not include the second indication information, then the The first network element sends the third indication information to the terminal, which can solve the problem of ambiguity of the SCG state, thereby improving the stability of SCG activation and deactivation control.
  • the receiving target information includes:
  • the first network element receives the SCG activation request sent by the second network element;
  • the method also includes:
  • the first network element sends the current state of the SCG to the second network element.
  • the first network element sends the current state of the SCG to the second network element, and the current state of the SCG does not trigger the second network element to send an SCG activation command to the UE.
  • the first network element receives the SCG activation request sent by the terminal, the first network element activates the SCG of the terminal, the first network element receives the SCG activation request sent by the second network element, and the first network element sends an SCG activation request to the terminal.
  • the second network element sends the current state of the SCG.
  • the target information is used for at least one of the following:
  • the first preset duration may be 500ms, or 1s, or 5s, etc., which is not limited in this embodiment.
  • the first network element receives the SCG activation request from the second network element, and the first network element sends an approval response to the SCG activation request to the second network element; the terminal receives the SCG activation request sent by the second network element. Before the command, the terminal initiates a random access request or a scheduling request, and requests the first network element to activate the SCG; the first network element receives the terminal's SCG activation request, and judges that the terminal has not received the second network element before sending the SCG activation request
  • the SCG activation command sent indicates the current status of the SCG to the terminal, or indicates the configuration of the SCG to the terminal, or indicates to the terminal that the terminal ignores the partial or All SCG configuration information.
  • the first network element is the SN
  • the second network element is the MN
  • the method for controlling the state of the secondary cell group includes the following processes:
  • UE has uplink data to send, and requests SN to activate SCG, such as initiating RACH or scheduling request;
  • the SN receives the SCG activation request sent by the MN.
  • the SCG activation request may be sent by the MN to the SN after downlink data arrives at the MN.
  • the SN receives the SCG activation request sent by the MN;
  • the SN sends SCG status indication information to the MN, where the SCG status indication information is used to indicate the current status of the SCG. Further, the SCG status indication information does not trigger the MN to send an SCG activation command to the UE.
  • the method for controlling the state of the secondary cell group includes the following processes:
  • the SN receives the SCG activation request sent by the MN;
  • the SN sends a response to the SCG activation request to the MN. For example, to confirm that the SCG can be activated;
  • the UE Before the UE receives the SCG activation command sent by the MN, the UE has uplink data to send on the SCG, and requests the SN to activate the SCG, such as initiating a RACH or scheduling request;
  • the SN receives the UE's SCG activation request and judges that the UE has not received the SCG activation command sent by the MN before sending the message, and the SN sends any one of the following instructions to the UE:
  • the SN Indicates whether the UE ignores all or part of the SCG status information and/or all or part of the SCG configuration information received from the MN within a period of time. For example, the SN instructs the UE to activate the SCG and reconfigure part of the SCG configuration, and instructs the UE not to initiate random access if it receives the SCG synchronous reconfiguration parameters from the MN.
  • the first network element sends the current state of the SCG to the second network element, or the first network element sends the target information, so that the terminal and the second network element can simultaneously send the first network element Meta-request to activate SCG's handling issues.
  • FIG. 3 is the second flowchart of a method for controlling the state of a secondary cell group provided in an embodiment of the present application. As shown in FIG. 3, the method for controlling the state of a secondary cell group includes the following steps:
  • Step 301 the terminal receives target information for controlling the SCG state of the secondary cell group.
  • the terminal receives target information for controlling the SCG state of the secondary cell group. In this way, controlling the SCG state through the target information can reduce the resources consumed by the network side and reduce the power consumption of the terminal.
  • the terminal receives target information for controlling the SCG state, including:
  • the terminal receives the SCG deactivation command sent by the first network element at the first moment;
  • the method also includes:
  • the terminal If the terminal receives the SCG activation command within a second preset time period before and/or after the first moment, the terminal ignores the SCG deactivation command.
  • the second preset duration may be 500ms, or 1s, or 5s, etc., which is not limited in this embodiment.
  • the method for controlling the state of a secondary cell group includes the following process:
  • the MN sends an acceptance response of the SCG deactivation request to the SN, and sends an SCG deactivation command to the UE;
  • the UE receives an SCG activation command from the SN;
  • the UE ignores the SCG deactivation command.
  • the preset time range may be determined by agreement or network configuration.
  • the terminal after receiving the SCG deactivation command from the second network element within a relatively short period of time after receiving the SCG activation command from the first network element, the terminal ignores the received SCG deactivation command, which can solve the ambiguity of the SCG state Therefore, the stability of SCG activation and deactivation control can be improved.
  • the terminal receives target information for controlling the SCG state, including:
  • the terminal receives third indication information sent by the first network element, where the third indication information is used to instruct the terminal to ignore the SCG deactivation command received from the second network element.
  • the terminal receives target information for controlling the SCG state, including:
  • the terminal receives the first SCG state control instruction sent by the first network element
  • the terminal receives a second SCG state control instruction sent by a second network element
  • the method also includes:
  • the terminal executes the first SCG state control instruction or the second SCG state control instruction according to a preset priority.
  • the first SCG state control instruction may be used to control the SCG state, and may include at least one of the following: an SCG deactivation request, an SCG deactivation indication, an SCG activation request, or an SCG activation indication, and the like.
  • the second SCG state control instruction may be used to control the state of the SCG, and may include at least one of the following: an SCG deactivation request, an SCG deactivation indication, an SCG activation request, or an SCG activation indication, and the like.
  • the foregoing preset priority may be used to indicate the highest priority among the first network element and the second network element.
  • the preset priority may include the priority of the first network element and the priority of the second network element.
  • the first network element is the MN
  • the second network element is the SN
  • the method for controlling the state of the secondary cell group includes the following process:
  • the UE initiates an SCG activation request to the SN and receives an acceptance response from the SN;
  • the UE receives the acceptance response of the SCG activation request from the SN; at the same time, the UE receives the SCG deactivation command from the MN;
  • the UE takes the SCG deactivation command sent by the MN as a high priority, and ignores the SCG activation command sent by the SN.
  • the terminal determines how to control the state of the SCG based on the defined priority, which can solve the problem of ambiguity in the state of the SCG caused when the terminal receives the SCG state control instructions sent by the SN and the MN at the same time.
  • this embodiment is an implementation on the terminal side corresponding to the embodiment shown in FIG. 2 .
  • FIG. 4 is a structural diagram of a secondary cell group state control device provided in an embodiment of the present application.
  • the first network element includes the secondary cell group state control device.
  • the secondary cell group state The control device 400 includes:
  • the delivery module 401 is configured to send target information, and/or receive target information, where the target information is used to control the secondary cell group SCG state of the terminal.
  • the transfer module 401 is specifically configured to:
  • first indication information sent by the second network element, where the first indication information is used to indicate at least one of the following:
  • the first network element directly activates the first authorization information of the SCG
  • the first network element directly deactivates the second authorization information of the SCG.
  • the device 400 further includes:
  • a first sending module 402 configured to send a response to the first indication information to the second network element; and/or,
  • the first request is used to request the second network element to send the first indication information.
  • the first authorization information is used to indicate at least one of the following:
  • a first authorization where the first authorization is used to indicate that the first network element is allowed to directly activate the SCG;
  • the second authorization information is used to indicate at least one of the following:
  • a second authorization where the second authorization is used to indicate that the first network element is allowed to directly deactivate the SCG
  • the associated SCG configuration of the first authorization includes at least one of the following:
  • the target state of at least one serving cell in the SCG After the SCG is activated, the target state of at least one serving cell in the SCG;
  • the number or list of immediately activated serving cells in the SCG After the SCG is activated, the number or list of immediately activated serving cells in the SCG;
  • the available uplink resources of the SCG After the SCG is activated, the available uplink resources of the SCG;
  • the downlink resources available to the SCG After the SCG is activated, the downlink resources available to the SCG.
  • the associated SCG configuration of the second authorization is used to indicate at least one of the following:
  • the terminal clears at least part of the downlink resources of the SCG;
  • the terminal clears at least part of the uplink resources of the SCG;
  • the terminal After the SCG is deactivated, the terminal does not perform a first operation on the SCG, and the first operation includes at least one of the following:
  • the device 400 further includes:
  • the second sending module 403 is configured to indicate the state of the SCG to the second network element when the SCG of the terminal is directly activated or deactivated by the first network element.
  • the delivery module 401 is specifically configured to: receive target information sent by the second network element, where the target information includes at least one of the following:
  • the target information includes at least one of the following:
  • the device 400 further includes:
  • the starting module 404 is used to start the timer.
  • the startup module 404 is specifically further configured to:
  • At least one of the following is not performed during the running of the timer:
  • the behavior of the first network element includes at least one of the following:
  • the startup module 404 is specifically further configured to:
  • An SCG release request or indication is received.
  • the transfer module 401 is specifically configured to:
  • the first network element If the first network element receives the random access message or the scheduling request sent by the terminal, and the random access message or the scheduling request does not include the second indication information, the first network element sends The terminal sends third indication information;
  • the second indication information is used to indicate that the SCG is requested to be activated or the current state of the SCG is deactivated
  • the third indication information is used to indicate that the terminal ignores the SCG received from the second network element Deactivate command.
  • the transfer module 401 is specifically configured to:
  • the first network element receives the SCG activation request sent by the second network element;
  • the delivery module 401 is also used for:
  • the target information is used for at least one of the following:
  • the device for controlling the state of the secondary cell group provided in the embodiment of the present application can realize various processes realized by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 8 is a structural diagram of another secondary cell group state control device provided in an embodiment of the present application.
  • the terminal includes the secondary cell group state control device.
  • the secondary cell group state control device 500 includes:
  • the receiving module 501 is configured to receive target information for controlling the SCG state of the secondary cell group.
  • the receiving module 501 is specifically used for:
  • the terminal If the terminal receives an SCG activation command within a second preset time period before and/or after the first moment, the terminal ignores the SCG deactivation command.
  • the receiving module 501 is specifically used for:
  • the receiving module 501 is specifically used for:
  • the device 500 also includes:
  • the execution module 502 is configured to execute the first SCG state control instruction or the second SCG state control instruction according to a preset priority.
  • the device for controlling the state of the secondary cell group provided in the embodiment of the present application can implement various processes implemented in the method embodiment in FIG. 3 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the apparatus for controlling the state of the secondary cell group in the embodiment of the present application may be a device, a device with an operating system or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic equipment may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include but not limited to the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (Network Attached Storage, NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machines or self-service machines, etc., are not specifically limited in this embodiment of the present application.
  • this embodiment of the present application further provides a communication device 600, including a processor 601, a memory 602, and programs or instructions stored in the memory 602 and operable on the processor 601,
  • a communication device 600 including a processor 601, a memory 602, and programs or instructions stored in the memory 602 and operable on the processor 601
  • the communication device 600 is the first network element
  • the program or instruction is executed by the processor 601
  • each process of the above-mentioned embodiment of the secondary cell group state control method on the first network element side can be achieved, and the same technical effect can be achieved .
  • the communication device 600 is a terminal
  • the program or instruction is executed by the processor 601
  • each process of the embodiment of the method for controlling the state of the secondary cell group on the terminal side is implemented, and the same technical effect can be achieved. To avoid repetition, it is not repeated here repeat.
  • the embodiment of the present application also provides a network element, the network element is a first network element, including a processor and a communication interface, wherein the processor or the communication interface is used to send target information, and/or receive Target information, wherein the target information is used to control the secondary cell group SCG state of the terminal.
  • This network element embodiment corresponds to the above network element side method embodiment, and each implementation process and implementation mode of the above method embodiment can be applied to this network element embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network element.
  • the network element is a first network element.
  • the network element 700 includes: an antenna 701 , a radio frequency device 702 , and a baseband device 703 .
  • the antenna 701 is connected to the radio frequency device 702 .
  • the radio frequency device 702 receives information through the antenna 701, and sends the received information to the baseband device 703 for processing.
  • the baseband device 703 processes the information to be sent and sends it to the radio frequency device 702
  • the radio frequency device 702 processes the received information and sends it out through the antenna 701 .
  • the above-mentioned frequency band processing device may be located in the baseband device 703, and the method performed by the first network element in the above embodiment may be implemented in the baseband device 703, and the baseband device 703 includes a processor 704 and a memory 705.
  • the baseband device 703 may include at least one baseband board, for example, a plurality of chips are arranged on the baseband board, as shown in FIG.
  • the first network element shown in the above method embodiments operates.
  • the baseband device 703 may also include a network interface 706 for exchanging information with the radio frequency device 702, such as a common public radio interface (CPRI for short).
  • a network interface 706 for exchanging information with the radio frequency device 702, such as a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the radio frequency device 702 is configured to send target information and/or receive target information, where the target information is used to control the secondary cell group SCG state of the terminal.
  • the receiving target information includes:
  • first indication information sent by the second network element, where the first indication information is used to indicate at least one of the following:
  • the first network element directly activates the first authorization information of the SCG
  • the first network element directly deactivates the second authorization information of the SCG.
  • the radio frequency device 702 is further configured to send a response to the first indication information to the second network element; and/or,
  • the first request is used to request the second network element to send the first indication information.
  • the first authorization information is used to indicate at least one of the following:
  • a first authorization where the first authorization is used to indicate that the first network element is allowed to directly activate the SCG;
  • the second authorization information is used to indicate at least one of the following:
  • a second authorization where the second authorization is used to indicate that the first network element is allowed to directly deactivate the SCG
  • the associated SCG configuration of the first authorization includes at least one of the following:
  • the target state of at least one serving cell in the SCG After the SCG is activated, the target state of at least one serving cell in the SCG;
  • the number or list of immediately activated serving cells in the SCG After the SCG is activated, the number or list of immediately activated serving cells in the SCG;
  • the available uplink resources of the SCG After the SCG is activated, the available uplink resources of the SCG;
  • the downlink resources available to the SCG After the SCG is activated, the downlink resources available to the SCG.
  • the associated SCG configuration of the second authorization is used to indicate at least one of the following:
  • the terminal clears at least part of the downlink resources of the SCG;
  • the terminal clears at least part of the uplink resources of the SCG;
  • the terminal After the SCG is deactivated, the terminal does not perform a first operation on the SCG, and the first operation includes at least one of the following:
  • the radio frequency device 702 is further configured to indicate the state of the SCG to the second network element when the SCG of the terminal is directly activated or deactivated by the first network element.
  • the receiving target information includes receiving target information sent by a second network element, where the target information includes at least one of the following:
  • the target information includes at least one of the following:
  • the processor 704 is configured to start a timer.
  • processor 704 is further configured to: not perform at least one of the following during the running of the timer:
  • the behavior of the first network element includes at least one of the following:
  • the startup module is also specifically used for:
  • An SCG release request or indication is received.
  • the sending target information includes:
  • the first network element If the first network element receives the random access message or the scheduling request sent by the terminal, and the random access message or the scheduling request does not include the second indication information, the first network element sends The terminal sends third indication information;
  • the second indication information is used to indicate that the SCG is requested to be activated or the current state of the SCG is deactivated
  • the third indication information is used to indicate that the terminal ignores the SCG received from the second network element Deactivate command.
  • the receiving target information includes:
  • the first network element receives the SCG activation request sent by the second network element;
  • the transfer module is also used to:
  • the target information is used for at least one of the following:
  • the network element in this embodiment of the present application also includes: instructions or programs stored in the memory 705 and operable on the processor 704, and the processor 704 calls the instructions or programs in the memory 705 to execute the modules shown in FIG. 4 method, and achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, where the processor or the communication interface is used to receive target information for controlling the SCG status of the secondary cell group.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 12 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 800 includes but is not limited to: a radio frequency unit 801, a network module 802, an audio output unit 803, an input unit 804, a sensor 805, a display unit 806, a user input unit 807, an interface unit 808, a memory 809, and a processor 810, etc. at least some of the components.
  • the terminal 800 can also include a power supply (such as a battery) for supplying power to various components, and the power supply can be logically connected to the processor 810 through the power management system, so as to manage charging, discharging, and power consumption through the power management system. and other functions.
  • a power supply such as a battery
  • the terminal structure shown in FIG. 12 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 804 may include a graphics processor (Graphics Processing Unit, GPU) 8041 and a microphone 8042, and the graphics processor 8041 is used for the image capture device (such as the image data of the still picture or video obtained by the camera) for processing.
  • the display unit 806 may include a display panel 8061, and the display panel 8061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 807 includes a touch panel 8071 and other input devices 8072.
  • the touch panel 8071 is also called a touch screen.
  • the touch panel 8071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 8072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 801 receives the downlink data from the network side device, and processes it to the processor 810; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 801 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 809 can be used to store software programs or instructions as well as various data.
  • the memory 809 may mainly include a program or instruction storage area and a data storage area, wherein the program or instruction storage area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 809 may include a high-speed random access memory, and may also include a nonvolatile memory, wherein the nonvolatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the processor 810 may include one or more processing units; optionally, the processor 810 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly handle wireless communications, such as baseband processors. It can be understood that the foregoing modem processor may not be integrated into the processor 810 .
  • radio frequency unit 801 is used for:
  • the radio frequency unit 801 is specifically used for:
  • the terminal If the terminal receives an SCG activation command within a second preset time period before and/or after the first moment, the terminal ignores the SCG deactivation command.
  • the radio frequency unit 801 is specifically used for:
  • the radio frequency unit 801 is specifically used for:
  • Processor 810 is used to:
  • the terminal in this embodiment of the present application also includes: instructions or programs stored in the memory 809 and operable on the processor 810, and the processor 810 calls the instructions or programs in the memory 809 to execute the functions executed by the modules shown in FIG. method, and achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the above-mentioned embodiment of the method for controlling the state of a secondary cell group is implemented, and The same technical effect can be achieved, so in order to avoid repetition, details will not be repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above-mentioned secondary cell group state control method
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run programs or instructions to implement the above-mentioned secondary cell group state control method
  • 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.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of computer software products, which are stored in a storage medium (such as ROM/RAM, magnetic disk, etc.) , CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente demande concerne un procédé et un appareil de commande d'état de groupe de cellules secondaires, un élément de réseau et un terminal, qui appartiennent au domaine technique des communications. Le procédé de commande d'état de groupe de cellules secondaires dans les modes de réalisation de la présente demande comprend les étapes suivantes : un premier élément de réseau envoie et/ou reçoit des informations cibles, les informations cibles étant utilisées pour commander un état de groupe de cellules secondaires (SCG) d'un terminal.
PCT/CN2022/109666 2021-08-03 2022-08-02 Procédé et appareil de commande d'état de groupe de cellules secondaires, élément de réseau et terminal WO2023011457A1 (fr)

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US20130258959A1 (en) * 2012-04-01 2013-10-03 Esmael Hejazi Dinan Uplink Transmission Timing Advance in a Wireless Device and Base Station
CN111278172A (zh) * 2019-03-27 2020-06-12 维沃移动通信有限公司 指示方法、终端设备和网络侧设备
WO2021026930A1 (fr) * 2019-08-15 2021-02-18 华为技术有限公司 Procédé et dispositif de communication
WO2021026906A1 (fr) * 2019-08-15 2021-02-18 华为技术有限公司 Procédé de communication, appareil de communication, support d'informations informatique et système de communication
CN114765810A (zh) * 2021-01-11 2022-07-19 中国移动通信有限公司研究院 配置方法、装置、设备及可读存储介质

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CN113169848B (zh) * 2019-03-21 2023-04-07 Oppo广东移动通信有限公司 无线通信方法、终端设备和网络设备
CN111225396B (zh) * 2020-01-07 2022-06-21 展讯通信（上海）有限公司 去激活和激活辅小区组的方法、通信装置和相关产品

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130258959A1 (en) * 2012-04-01 2013-10-03 Esmael Hejazi Dinan Uplink Transmission Timing Advance in a Wireless Device and Base Station
CN111278172A (zh) * 2019-03-27 2020-06-12 维沃移动通信有限公司 指示方法、终端设备和网络侧设备
WO2021026930A1 (fr) * 2019-08-15 2021-02-18 华为技术有限公司 Procédé et dispositif de communication
WO2021026906A1 (fr) * 2019-08-15 2021-02-18 华为技术有限公司 Procédé de communication, appareil de communication, support d'informations informatique et système de communication
CN114765810A (zh) * 2021-01-11 2022-07-19 中国移动通信有限公司研究院 配置方法、装置、设备及可读存储介质

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