WO2023016318A1 - 基于双连接配置的通信方法及相关设备 - Google Patents

基于双连接配置的通信方法及相关设备 Download PDF

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Publication number
WO2023016318A1
WO2023016318A1 PCT/CN2022/110103 CN2022110103W WO2023016318A1 WO 2023016318 A1 WO2023016318 A1 WO 2023016318A1 CN 2022110103 W CN2022110103 W CN 2022110103W WO 2023016318 A1 WO2023016318 A1 WO 2023016318A1
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WIPO (PCT)
Prior art keywords
terminal
node
scg
auxiliary information
release
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PCT/CN2022/110103
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English (en)
French (fr)
Inventor
信金灿
许森
张乐
张化
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中国电信股份有限公司
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Publication of WO2023016318A1 publication Critical patent/WO2023016318A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management

Definitions

  • the present disclosure relates to the technical field of communication, and in particular, to a communication method based on a dual connection configuration, a terminal, a master node, a slave node, and a computer-readable storage medium.
  • the MCG includes a primary cell (Primary Cell, PCell) and a secondary cell (Secondary Cell, SCell).
  • PCell Primary Cell
  • SCell Secondary Cell
  • the multiple serving cells of the terminal under the secondary node are called (Secondary Cell Group, SCG), and the SCG includes the secondary serving cell group primary cell (Primary SCG Cell, PSCell) and SCell.
  • SCG Secondary Cell Group
  • PSCell Primary SCG Cell
  • SCell SCell
  • the terminal after the terminal is configured with SCG, even if the terminal has relatively low data transmission rate requirements, the terminal needs to monitor the PSCell of the SCG and the Physical Downlink Control Channel (PDCCH) of the SCell, and the terminal also needs to monitor the physical downlink control channel (PDCCH) of the SCell.
  • Uplink signals such as channel sounding reference signal (Sounding Reference Signal, SRS) and channel state information (Channel State Information, CSI) should be sent on the SCell of PSCell and SCG. This will result in excessive power consumption of the terminal.
  • Sounding Reference Signal Sounding Reference Signal
  • CSI Channel State Information
  • Embodiments of the present disclosure provide a communication method based on a dual connection configuration, a terminal, a primary node, a secondary node, and a computer-readable storage medium.
  • An embodiment of the present disclosure provides a communication method based on dual connection configuration, the method is applied to a terminal, and the method includes: when the terminal is connected to a primary node and a secondary node, sending the terminal's information to the primary node First auxiliary information, the first auxiliary information of the terminal includes at least one of the following: the terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the terminal's first expected radio resource control state, the first SCG state that the terminal expects for the SCG, and the current battery information of the terminal, so that the master node can generate a deactivation/release instruction according to the first auxiliary information; receive the The master node returns the deactivation/release instruction in response to the first auxiliary information, the deactivation/release instruction instructs the master node to agree to the terminal to deactivate the SCG according to the first auxiliary information or release: deactivate or release the SCG according to the deactivation/release instruction.
  • the method provided in the embodiment of the present disclosure may be
  • An embodiment of the present disclosure provides a communication method based on dual connection configuration, the method is applied to a primary node, and the method includes: when the terminal is connected to the primary node and the secondary node, receiving the terminal's First auxiliary information, the first auxiliary information of the terminal includes at least one of the following: the terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the terminal's first expected Radio resource control state, the state of the terminal's first desired secondary cell group for the SCG, the current battery information of the terminal; generate a deactivation/release instruction according to the first auxiliary information, and the deactivation/release instruction Instructing the master node to agree to the terminal to deactivate or release the SCG according to the first auxiliary information; sending the deactivation/release instruction to the terminal, so that the terminal can perform the deactivation/release Instructions to deactivate or release the SCG.
  • the method provided by the embodiments of the present disclosure may be executed by the master node, or may be executed by a
  • An embodiment of the present disclosure provides a communication method based on a dual connection configuration, the method is applied to a secondary node, and the method includes: when a terminal is connected to the primary node and the secondary node, receiving the first secondary node from the primary node A node modification request message, the first secondary node modification request message instructs the primary node to request the secondary node to deactivate or release the secondary cell group SCG under the secondary node, wherein the primary node is used to
  • the first auxiliary information received by the terminal generates the first secondary node modification request message, and the first auxiliary information of the terminal includes at least one of the following: The first expected maximum number of carriers, the first expected radio resource control state of the terminal, the first expected secondary cell group state of the terminal for the SCG, and the current battery information of the terminal; if the first secondary cell group is agreed node modification request message, return to the primary node a first secondary node modification request acknowledgment message indicating that the secondary node agrees to deactivate or release the SCG, so that the
  • An embodiment of the present disclosure provides a terminal, including: a first communication unit, configured to send first auxiliary information of the terminal to the primary node when the terminal is connected to a primary node and a secondary node, and the terminal's
  • the first auxiliary information includes at least one of the following: the first expected maximum number of carriers of the secondary cell group SCG under the secondary node by the terminal, the first expected radio resource control state of the terminal, and the first expected radio resource control state of the terminal.
  • the first communication unit and the first processing unit included in the terminal may be implemented by software and/or hardware.
  • An embodiment of the present disclosure provides a primary node, including: a second communication unit configured to receive first auxiliary information of the terminal from the terminal when the terminal is connected to the primary node and the secondary node, and the terminal's
  • the first auxiliary information includes at least one of the following: the first expected maximum number of carriers of the secondary cell group SCG under the secondary node by the terminal, the first expected radio resource control state of the terminal, and the first expected radio resource control state of the terminal.
  • the master node agrees with the terminal to deactivate or release the SCG according to the first auxiliary information; the second communication unit is further configured to send the deactivation/release instruction to the terminal, so that the terminal and deactivating or releasing the SCG according to the deactivation/release instruction.
  • the second communication unit and the second processing unit included in the master node may be implemented by software and/or hardware.
  • An embodiment of the present disclosure provides a secondary node, including: a third communication unit, configured to receive a first secondary node modification request message from the primary node when a terminal is connected to the primary node and the secondary node, and the first The secondary node modification request message instructs the primary node to request the secondary node to deactivate or release the secondary cell group SCG under the secondary node, where the primary node is used to generate an SCG according to the first assistance information received from the terminal
  • the first auxiliary information of the terminal includes at least one of the following: the terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the The terminal's first desired radio resource control state, the terminal's first desired secondary cell group state for the SCG, and the terminal's current battery information;
  • the third communication unit is also configured to node modification request message, return to the primary node a first secondary node modification request acknowledgment message indicating that the secondary node agrees to deactivate or release the SCG, so that the
  • An embodiment of the present disclosure provides a communication device, where the communication device includes at least one processor and a communication interface.
  • the communication interface is used for the communication device to exchange information with other communication devices, and when the program instructions are executed in the at least one processor, the method in any possible implementation manner in the foregoing embodiments is implemented.
  • the communication device may further include a memory.
  • Memory is used to store programs and data.
  • the communication device may be a terminal and/or a primary node and/or a secondary node.
  • An embodiment of the present disclosure provides a computer-readable storage medium, on which a computer program for execution by a communication device is stored, and when the program is executed by a processor, the method in any possible implementation manner in the foregoing embodiments is implemented.
  • the computer-readable storage medium may store a computer program for execution by the terminal, and when the program is executed by the processor, instructions for implementing the method as executed by the terminal in the foregoing embodiments may be implemented.
  • the computer-readable storage medium may store a computer program for execution by the master node, and when the program is executed by a processor, instructions for implementing the method as executed by the master node in the above embodiments are implemented.
  • the computer-readable storage medium may store a computer program for execution by the secondary node, and when the program is executed by a processor, instructions for implementing the method as executed by the secondary node in the foregoing embodiments are implemented.
  • Embodiments of the present disclosure provide a computer program product comprising instructions.
  • the communication device is instructed to execute the method in any one of the above-mentioned parties or any possible implementation manner of the above-mentioned parties.
  • the terminal executes the instructions of the method in any possible implementation manner in the foregoing embodiments.
  • the master node executes the instructions of the method in any possible implementation manner in the foregoing embodiments.
  • the secondary node executes instructions of the methods in any possible implementation manners of the foregoing embodiments.
  • An embodiment of the present disclosure provides a system chip, the system chip includes an input and output interface and at least one processor, and the at least one processor is used to call instructions in the memory to perform any one of the above-mentioned possible implementations. method of operation.
  • system chip may further include at least one memory and a bus, and the at least one memory is used to store instructions executed by the processor.
  • An embodiment of the present disclosure provides a communication system, including the foregoing terminal, a master node, and a slave node.
  • Fig. 1 schematically shows a schematic diagram of an application scenario of a communication method based on a dual connectivity configuration according to an embodiment of the present disclosure.
  • Fig. 2 schematically shows a flowchart of a communication method based on a dual connectivity configuration according to an embodiment of the present disclosure.
  • Fig. 3 schematically shows an interaction diagram of a communication method based on a dual connectivity configuration according to an embodiment of the present disclosure.
  • Fig. 4 schematically shows a flowchart of a communication method based on a dual connectivity configuration according to another embodiment of the present disclosure.
  • Fig. 5 schematically shows a flowchart of a communication method based on a dual connectivity configuration according to yet another embodiment of the present disclosure.
  • Fig. 6 schematically shows a schematic block diagram of a terminal according to an embodiment of the present disclosure.
  • Fig. 7 schematically shows a schematic block diagram of a terminal according to yet another embodiment of the present disclosure.
  • Example embodiments will now be described more fully with reference to the accompanying drawings.
  • Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art.
  • the solutions provided by the embodiments of the present disclosure can be applied to 5G dual connectivity scenarios.
  • the multi-radio dual connectivity technology MR-DC was introduced, which can specifically include EN-DC (E-RTRAN-NR Dual Connectivity, E-UTRAN-NR Dual Connectivity), NE-DC (NR-E-UTRAN Dual Connectivity, NR -E-UTRAN dual connectivity), NR-DC (NR-NR Dual Connectivity, NR-NR dual connectivity) and NGEN-DC (NG-RAN E-UTRAN-NR Dual Connectivity, NG-RAN E-UTRAN-NR dual connectivity ) and other networking methods.
  • EN-DC E-RTRAN-NR Dual Connectivity, E-UTRAN-NR Dual Connectivity
  • NE-DC NR-E-UTRAN Dual Connectivity, NR -E-UTRAN dual connectivity
  • NR-DC NR-NR Dual Connectivity, NR-NR dual connectivity
  • NGEN-DC NG-RAN E-UTRAN-NR Dual Connectivity, NG-RAN E-UTRAN-NR dual connectivity
  • FIG. 1 shows that the 5G NSA (Non-Standalone, non-independent networking) network adopts the EN-DC mode.
  • the base station evolved NodeB, referred to as eNB
  • MN main node
  • en-gNB of the NR network is the secondary node SN, which improves the system capacity.
  • the eNB is connected to the 4G core network, that is, the evolved packet core network (Evolved Packet Core Internet, EPC).
  • EPC evolved Packet Core Internet
  • MME stands for Mobility Management Entity function, the mobile management node function.
  • S-GW means Serving GateWay, serving gateway.
  • the UE User Equipment, user equipment or user terminal, hereinafter referred to as the terminal
  • the terminal occupies the cell resources of two base stations.
  • the base station that establishes the control plane connection is called the primary node MN
  • the other is called the secondary node.
  • Node SN The cells of the MN constitute the primary cell group MCG
  • the cells of the SN constitute the secondary cell group SCG.
  • Both MCG and SCG contain a Primary Cell.
  • the primary cell of MCG is called PCell
  • the primary cell of SCG is called PSCell
  • PCell and PSCell are collectively called Special Cell (SpCell).
  • the MCG or SCG includes one or more SCells in addition to the SpCell, it means that the MN or SN is configured with CA (Carrier Aggregation, carrier aggregation).
  • CA Carrier Aggregation, carrier aggregation
  • DC and CA are independent of each other.
  • CA is implemented at the MAC (Media Access Control) layer
  • DC is implemented at PDCP (Packet Data Convergence Protocol). configuration can also be configured at the same time.
  • MAC Media Access Control
  • PDCP Packet Data Convergence Protocol
  • the dual connection mode of NGEN-DC uses NG-eNB as the main node and gNB as the auxiliary node, and the main node is connected to the 5G core network (5G Core, 5GC).
  • 5G Core 5G Core
  • the gNB In the dual connection mode of NE-DC, the gNB is used as the main node, the NG-eNB in eLTE is used as the auxiliary node, and the main node is connected to the 5GC.
  • the dual connection mode of NR-DC uses one gNB as the master node and the other gNB as the slave node, and the master node is connected to the 5GC.
  • the nodes involved in the embodiments of the present disclosure may be Global System of Mobile communication (GSM for short) or Code Division Multiple Access (CDMA for short).
  • the base station (Base Transceiver Station, referred to as BTS) in the network can also be the base station (NodeB, referred to as NB) in the wideband code division multiple access (Wideband Code Division Multiple Access, referred to as WCDMA), and it can also be the eNB in the LTE network, AP (Access Point, access point) or relay station can also be NG-eNB in eLTE, or gNB in 5G NR, etc., which is not limited.
  • terminals refers to a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • Terminals may be mobile terminals, such as mobile telephones (or "cellular" telephones) and computers with mobile terminals, such as portable, pocket, hand-held, built-in computer or vehicle-mounted mobile devices, which communicate with wireless
  • the access network exchanges voice and/or data.
  • the terminal can also be called a subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), mobile station (Mobile Station), mobile station (Mobile Station), remote station (Remote Station), AP, remote terminal (Remote Terminal), Access Terminal (Access Terminal), User Terminal (User Terminal), User Agent (User Agent) or UE, which is not limited.
  • Subscriber Unit Subscriber Unit
  • Subscriber Station mobile station
  • Mobile Station mobile station
  • Remote Station Remote station
  • AP remote terminal
  • Remote terminal Remote terminal
  • Remote Terminal Remote Terminal
  • Access Terminal Access Terminal
  • User Terminal User Terminal
  • User Agent User Agent
  • UE User Agent
  • Fig. 2 schematically shows a flowchart of a communication method based on a dual connectivity configuration according to an embodiment of the present disclosure. It should be understood that, in the embodiment of the present disclosure, the method 200 is described by taking the terminal as an example for executing the method 200 . As an example but not a limitation, the subject of executing the method 200 may also be a chip applied to a terminal.
  • the method provided by the embodiment of the present disclosure may include the following steps.
  • step S210 when the terminal is connected to the primary node and the secondary node, the first auxiliary information of the terminal is sent to the primary node, and the first auxiliary information of the terminal includes at least one of the following: The terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the terminal's first expected radio resource control state, the terminal's first expected secondary cell group state for the SCG, and The current battery information of the terminal, so that the master node generates a deactivation/release instruction according to the first auxiliary information.
  • sending the first assistance information of the terminal to the master node may include: sending a first terminal assistance information message to the master node, where the first terminal assistance information message carries the first terminal assistance information message. 1. Auxiliary information.
  • the first auxiliary information when the first auxiliary information includes the first expected maximum number of carriers, the first expected maximum number of carriers is an integer greater than or equal to 0 and less than or equal to 31.
  • the first expected maximum number of carriers when the first auxiliary information includes the first expected maximum number of carriers, the first expected maximum number of carriers may be 0.
  • the first expected maximum number of carriers may include a first expected maximum number of downlink carriers and a first expected maximum number of uplink carriers, and the first expected maximum number of downlink carriers may be greater than or equal to 0 and less than or an integer equal to 31, the first expected maximum number of uplink carriers may be an integer greater than or equal to 0 and less than or equal to 31.
  • the first auxiliary information when the first auxiliary information includes the first expected maximum number of carriers, the first auxiliary information may include overheating auxiliary information, and the overheating auxiliary information may include the first expected maximum The number of carriers, the first expected maximum number of carriers may be an integer greater than or equal to 0 and less than or equal to 31.
  • the first desired radio resource control state when the first auxiliary information includes the first desired radio resource control state, the first desired radio resource control state may be an idle state, an inactive state, a connected state or a disconnected state state.
  • the first desired secondary cell group state may be a deactivated state or a released state.
  • the current power in the current power information may be less than a preset power threshold.
  • step S220 receiving the deactivation/release instruction returned by the master node in response to the first auxiliary information, the deactivation/release instruction instructing the master node to agree to the terminal according to the first auxiliary information
  • the deactivation or release of the SCG is performed.
  • receiving the deactivation/release instruction returned by the master node in response to the first auxiliary information may include: receiving the first wireless resource returned by the master node in response to the first auxiliary information A control connection reconfiguration message, where the first radio resource control connection reconfiguration message carries the deactivation/release instruction.
  • the method may further include: returning a first radio resource control connection reconfiguration complete message to the master node in response to the first radio resource control connection reconfiguration message.
  • the method may further include: receiving a refusal deactivation/release instruction returned by the master node in response to the first auxiliary information, the refusal deactivation/release instruction instructing the master node to The first auxiliary information refuses the terminal to deactivate or release the SCG; according to the deactivation/release refusal instruction, keep the configuration of the SCG.
  • receiving the deactivation/release rejection instruction returned by the master node in response to the first assistance information may include: receiving a second radio resource control instruction returned by the master node in response to the first assistance information A connection reconfiguration message, where the second radio resource control connection reconfiguration message carries the deactivation/release rejection instruction.
  • step S230 the SCG is deactivated or released according to the deactivation/release instruction.
  • the deactivation/release instruction may include a deactivation instruction or a release instruction.
  • the deactivation instruction is used to deactivate the secondary cell group SCG of the terminal under the secondary node SN. After the SCG is deactivated, the terminal can continue to retain related configurations of the SCG.
  • the relevant configuration of the SCG may include the physical layer configuration of the SCell, the MAC layer configuration, and the like. Therefore, the time delay of SCG activation can be reduced.
  • the foregoing deactivation instruction may be MAC layer signaling or physical layer signaling.
  • the method may further include: sending second assistance information of the terminal to the master node, where the second assistance information of the terminal includes at least one of the following: The second expected maximum number of carriers of the SCG, the second expected radio resource control state of the terminal, and the second expected secondary cell group state of the terminal for the SCG, so that the master node can use the second auxiliary information generating an activation instruction; receiving the activation instruction returned by the master node in response to the second auxiliary information; activating the SCG according to the activation instruction.
  • sending the second terminal assistance information to the master node may include: sending a second terminal assistance information message to the master node, where the second terminal assistance information message carries the first 2. Auxiliary information.
  • the second auxiliary information when the second auxiliary information includes the second expected maximum number of carriers, the second expected maximum number of carriers may not be 0.
  • the first desired radio resource control state may be a connected state.
  • the second desired secondary cell group state may be an activated state.
  • receiving the activation instruction returned by the master node in response to the second assistance information may include: receiving a third radio resource control connection reconnection instruction returned by the master node in response to the second assistance information A configuration message, the third radio resource control connection reconfiguration message carries the activation instruction.
  • the method may further include: returning a second radio resource control connection reconfiguration complete message to the master node in response to the third radio resource control connection reconfiguration message.
  • the terminal when the terminal is connected to the primary node and the secondary node, the terminal sends the first auxiliary information of the terminal to the primary node, and includes the first auxiliary information of the terminal Carry at least one of the following information: the terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the terminal's first expected radio resource control state, the terminal's first expected secondary cell group SCG The cell group state, the current battery information of the terminal, so that the master node can know the terminal's first expected maximum number of carriers for the secondary cell group SCG, the first expected radio resource control state, the first expected secondary cell group state, and Any one or more of the terminal's current battery information, etc., the master node may, according to the terminal's first expected maximum number of carriers and first expected radio resources of the secondary cell group SCG carried in the first auxiliary information control state, the state of the first desired secondary cell group, and the current power information of the terminal to determine whether to generate
  • the terminal may deactivate or release the SCG according to the deactivation/release instruction.
  • the terminal may indicate to the master node its preference for the maximum number of carriers of the secondary cell group SCG through the first expected maximum number of carriers in the first auxiliary information, and/or, through the first expected radio resource
  • the control state indicates to the master node its preference for the radio resource control state, and/or, through the first desired secondary cell group state, indicates to the master node its preference for the secondary cell group state of the secondary cell group SCG, in order to assist the master node to more
  • the terminal can also indicate its current power information to the main node through the current power information of the terminal, so that after receiving the first auxiliary information reported by the terminal, the main node can With the current battery information, configure the appropriate secondary cell group status for the terminal, such as deactivating or releasing it.
  • the terminal When the SCG is deactivated, the terminal does not need to monitor the PDCCH of the PSCell of the SCG and the PDCCH of the SCell, and does not need to be in the PDCCH of the PSCell and SCG. Uplink signals such as SRS and CSI are sent on the SCell, so that the power consumption of the terminal can be effectively reduced, and service requirements can be guaranteed as much as possible.
  • the introduction of NR will bring a certain delay. Therefore, in order to make full use of the advantages of the large bandwidth of NR, the rapid addition and activation mechanism of the secondary cell can be considered.
  • EN-DC maintaining two wireless links at the same time will greatly increase the power consumption of NR UE and the network. In some cases, the power consumption of NR UE will be 3 to 4 times that of LTE UE. Therefore, when UE data When the rate changes dynamically, for example, from high to low, activation/deactivation of SN may be considered to save power consumption of the network and UE.
  • An effective secondary cell group activation/deactivation strategy can reduce terminal power consumption, reduce activation delay of the secondary cell group, and ensure service quality.
  • the secondary cell group activation/deactivation strategy controlled by the master node is supported.
  • the terminal cannot indicate the terminal's preference for the state of the secondary cell group to the master node, so that the power consumption of the terminal cannot be reduced more efficiently, which affects the terminal standby time.
  • To reduce terminal power consumption while ensuring service quality there are at least the following problems in related standards and implementations:
  • UE assistant information (UE assistant information) lacks indication information for the status preference of the secondary cell group. After receiving the assistant information, the master node, It is impossible to properly configure the state of the secondary cell group for the terminal, so that the purpose of saving power while ensuring service quality cannot be well achieved.
  • the master node cannot respond to the secondary cell group configuration preference information of the terminal:
  • RRC Radio Resource Control, radio resource control
  • the master node In related technologies, in the RRC (Radio Resource Control, radio resource control) message, there is no response message for the terminal secondary cell group configuration preference, and the master node is in After receiving the auxiliary information sent by the terminal, it cannot respond to the configuration of the secondary cell group proposed by the terminal, so that the most suitable state of the secondary cell group cannot be configured for the terminal.
  • the current 3GPP (3rd Generation Partnership Project, Third Generation Partnership Project) protocol cannot meet the requirements, and a new method is needed to enhance the MR-DC process to meet the service quality and power saving requirements of the terminal. need. That is, in order to further improve the performance of dual connectivity, reduce the response delay of the secondary cell group while reducing the power consumption of the terminal, and ensure the service quality, the current standard and implementation plan need to be further optimized.
  • the method proposed in the embodiment of the present disclosure provides an efficient manner of configuring a secondary cell group.
  • the terminal can indicate to the master node that the terminal is capable of Preferences for secondary cell group configuration.
  • the terminal can indicate to the primary node its preference for the state of the secondary cell group through the auxiliary information (including the first auxiliary information and the second auxiliary information).
  • the terminal can also use the first UE auxiliary information
  • the message indicates its current power information to the master node.
  • the master node After receiving the terminal's auxiliary information, the master node judges whether to accept the terminal's request for secondary cell group configuration preference based on the terminal's current service requirements, current power information, and service characteristics, and configures the terminal with an appropriate secondary cell group status, thereby Reduce terminal power consumption as much as possible on the basis of ensuring terminal service requirements.
  • the disclosure effectively reduces terminal power consumption and response delay of the secondary cell group through an efficient secondary cell group configuration mechanism, and ensures service requirements as much as possible.
  • the method provided by the embodiments of the present disclosure is enhanced based on the existing UE assistance information message, and has the feature of minor changes to the existing protocol.
  • the terminal when the service volume of the terminal decreases, the battery power decreases or is overheated, the terminal sends a first terminal assistance information message to the primary node to indicate its preference for the deactivation state of the secondary cell group, in order to assist the primary node
  • the node makes a reasonable judgment, and the terminal sends its current power information to the master node together with the first terminal auxiliary information message.
  • the master node After receiving the terminal's first auxiliary information, the master node judges whether to accept the terminal's request for secondary cell lease configuration preference according to the terminal's current service requirements, current power information, and service characteristics, and passes the first RRCConnectionReconfiguration message (first The radio resource control connection reconfiguration message) responds to the request of the terminal, that is, the first RRCConnectionReconfiguration message is used as a response message to the first UE assistant information message.
  • the terminal After receiving the response message from the master node, the terminal configures the secondary cell group and sends a first RRCConnectionReconfigurationComplete message (first radio resource control connection reconfiguration complete message) to the master node.
  • the terminal may use the second auxiliary information to instruct the master node to activate the secondary cell group.
  • the method provided by the embodiment of the present disclosure describes the dual connectivity configuration mechanism, in which the cell group corresponding to the primary node is MCG, and the cell group corresponding to the secondary node is SCG, and the terminal sends auxiliary information to the primary node to indicate that it deactivates/deactivates the SCG. Activated preferences.
  • the process of configuring the secondary cell group SCG in the method provided by the embodiment of the present disclosure will be illustrated below with reference to FIG. 3 , but the protection scope of the present disclosure is not limited thereto.
  • step S31 in order to meet the service requirements of the terminal, when the primary node cannot meet the service requirements of the terminal, the primary node adds a secondary cell group SCG for the terminal.
  • the terminal is connected to the primary cell group MCG and the secondary cell group SCG at the same time, that is, the UE connects to MN and SN.
  • step S32 when the terminal expects no data transmission for a period of time, the terminal expects to reduce the configuration of the secondary cell group SCG to reduce power consumption, at this time, the terminal can send the first auxiliary information to the master node to indicate its The preference for the maximum number of carriers (the first expected maximum number of carriers), in general, the terminal can reduce the power consumption of the terminal by reducing the maximum number of carriers in the secondary cell group SCG, wherein, once the maximum number of carriers is configured, the number of carriers in the secondary cell group This value cannot be exceeded.
  • the terminal sets the value of the first expected maximum number of carriers of the secondary cell group SCG to 0, it means that the terminal does not want to keep the configuration of the secondary cell group SCG.
  • the terminal may also report its preference for the RRC state through the first terminal assistance information message.
  • the first terminal assistance information message may include but not limited to the following information:
  • the first expected maximum number of carriers of the secondary cell group SCG for example, the MaxCC-Preference in the UE assistance information (in order to distinguish it from the UE assistance information below, referred to here as the first assistance information of the terminal) can be used
  • the -r16 field indicates the terminal's preference for the maximum number of SCG carriers in the secondary cell group, where the first expected maximum number of carriers may include:
  • the reduced maximum number of carriers may include, for example:
  • Reduced first expected maximum number of downlink carriers the value is an integer between 0-31;
  • Reduced first expected maximum number of uplink carriers the value is an integer between 0-31.
  • this field is used to indicate the UE's preference for the RRC state, for example, the field preferredRRC-State-r16 can be used to indicate idle (idle state), inactive (inactive state), connected (connected state), outOfConnected (disconnected state) and other states in any one of several states.
  • the terminal may also send first auxiliary information to the master node to report its preference for the SCG maximum number of carriers (the first expected maximum number of carriers).
  • the terminal may also report its preference for the RRC state through the first terminal assistance information message.
  • the first terminal assistance information message may include but not limited to the following information:
  • - overheating assistance information which may further include:
  • the reduced maximum number of carriers indicates the terminal's preference for the number of carriers in the secondary cell group, for example, it may include:
  • Reduced first expected maximum number of downlink carriers the value is an integer between 0-31;
  • Reduced first expected maximum number of uplink carriers the value is an integer between 0-31.
  • this field is used to indicate the UE's preference for the RRC state, for example, the field preferredRRC-State-r16 can be used to indicate any of several states such as idle, inactive, connected, outOfConnected, etc. a state.
  • the terminal can indicate that it does not want to keep the configuration of the secondary cell group SCG by configuring the first expected maximum number of carriers of the secondary cell group SCG as 0, and indicate the terminal's preference for the RRC state through the RRC state preference, but the first A terminal assistance information message cannot indicate the terminal's preference for the state of the secondary cell group.
  • the terminal may add a preference message for the SCG state to the first auxiliary information, that is, the first desired secondary cell group state, and the first desired secondary cell group state may be a deactivated state or a released state, so as to use It is used to indicate the terminal's preference for SCG activation, deactivation or SCG release status.
  • the first auxiliary information message may also include:
  • this field is used to indicate the terminal's preference for the SCG state of the secondary cell group, which may specifically include activation (activation state), deactivation (deactivation state), release (Release state) and other states, at this time it indicates deactivation or release.
  • step S35 at this time, if the power of the terminal is low, such as judging whether it is less than the preset power threshold, the preset power threshold can be set according to actual needs. This disclosure does not limit this.
  • the preset power threshold When the current power information of the terminal is less than the preset When the power threshold is set, it is determined that the power of the terminal is low; when the current power information of the terminal is greater than or equal to the preset power threshold, it is determined that the power of the terminal is high.
  • the terminal may add the current battery information to the first terminal auxiliary information message to indicate the terminal's urgent need for SCG deactivation or release status.
  • the first terminal auxiliary information message may include:
  • This field is used to indicate the current power information of the terminal, which can be expressed as an integer within 100 to represent the current power percentage. For example, if it is 30 at this time, it means that the terminal has 30% battery power left.
  • step S36 after receiving the first auxiliary information of the terminal, the master node MN passes the first expected maximum number of carriers (MaxCC-prefer) and first expected radio resource control state (RRC State) carried in the first auxiliary information. , the first expected secondary cell group state (SCG-State), overheating assistance information (overheating state) and current power information (Battery State), knowing the maximum number of carriers, RRC state and secondary cell group SCG of the terminal for the secondary cell group SCG The master node makes a judgment on the request message in the first terminal auxiliary information message of the terminal according to one or more items of the status preference and the current power information of the terminal.
  • MaxCC-prefer the first expected maximum number of carriers
  • RRC State radio resource control state
  • SCG-State first expected secondary cell group state
  • overheating assistance information overheating state
  • current power information Battery State
  • step S37 when the master node MN rejects the terminal's request, the master node MN informs the terminal through the second RRC connection reconfiguration message that the secondary cell group SCG-related request message carried in the first auxiliary information is not accepted , the terminal cannot deactivate or release the secondary cell group SCG, and the second RRC connection reconfiguration message is used to indicate rejection of the secondary cell group related request.
  • step S38 when the master node MN agrees to the secondary cell group SCG configuration deactivation or release request of the terminal, the master node MN sends the first secondary node (in FIG. SgNB Modification Request message), requesting the secondary node SN to deactivate or release the secondary cell group SCG.
  • the first secondary node in FIG. SgNB Modification Request message
  • step S39 after the secondary node SN receives the first secondary node modification request message sent by the master node MN, that is, after the SN receives the deactivation or release request from the MN, it responds to the first secondary node modification request message , return the first secondary node modification request confirmation message (i.e. SgNB Modification Request Acknowledge message) to the MN to confirm that the SN accepts the first secondary node modification request message sent by the MN, and use the first secondary node modification request confirmation message as the first secondary node
  • the node modifies the response message to the request message.
  • the response message may include but not limited to the following information:
  • SCG modification request confirmation message This field is used to indicate whether the secondary node SN agrees to the request of the primary node MN. When it is ACK, it means that the secondary node SN agrees with the request of the primary node MN. When it is NACK, it means that the secondary node SN rejects the master node MN's request.
  • step S310 after the primary node receives the first secondary node modification request confirmation message from the secondary node, if the secondary node agrees to the deactivation or release request of the secondary cell group SCG, the primary node notifies the terminal through the first RRC connection reconfiguration message Agree to deactivate or release the secondary cell group SCG. If the secondary node rejects the deactivation or release request of the secondary cell group SCG, the master node rejects the deactivation or release request of the secondary cell group SCG of the terminal through the second connection RRC reconfiguration message.
  • step S311 after the terminal receives the first RRC connection reconfiguration message from the master node, if the master node accepts the deactivation or release request of the secondary cell group SCG, the terminal updates the configuration of the secondary cell group SCG, and sends the request to the master node Send a first RRC connection reconfiguration complete message (RRCConnectionReconfigurationComplete message). If the master node rejects the SCG deactivation or release request, the terminal only needs to keep the original SCG configuration without sending the first RRC connection reconfiguration complete message to the MN.
  • RRCConnectionReconfigurationComplete message a first RRC connection reconfiguration complete message
  • the primary node may send the first secondary node reconfiguration complete (ie SgNB Reconfiguration Complete) message to the SN to notify the secondary node that the terminal has completed the secondary node Reconfiguration process.
  • the first secondary node reconfiguration complete ie SgNB Reconfiguration Complete
  • steps S31 to S312 are the SCG deactivation phase (Period of SCG deactivation).
  • step S314 after the secondary cell group SCG is deactivated for a period of time, if the traffic volume of the terminal increases, the terminal may request the master node to activate the secondary cell group SCG through the second terminal auxiliary
  • the number of carriers (in this case, the second expected maximum number of carriers) is configured as an integer greater than 0 to indicate its preference for maintaining the carrier configuration of the secondary cell group, and the terminal may also use the second terminal assistance information message to indicate its Status preference, specifically, the second auxiliary information may include but not limited to the following information:
  • the maximum number of carriers in the secondary cell group SCG indicates the terminal's preference for the maximum number of carriers in the secondary cell group SCG. Once configured, the number of carriers in the secondary cell group SCG cannot exceed this value. If the value is configured as 0, it means that the terminal does not want to keep the secondary cell group configuration. If the value is configured as an integer greater than 0, it means that the terminal wants to keep the configuration of the secondary cell group.
  • this field indicates the UE's preference for the RRC state, and this field may specifically include several states such as idle, inactive, connected, and outOfConnected.
  • this field is used to indicate the terminal's preference for the state of the secondary cell group, which may specifically include several states such as activation, deactivation, and release. In this case, activation is indicated.
  • step S315 after receiving the second auxiliary information of the SCG sent by the terminal, the master node decides to reactivate the SCG according to the service requirement of the terminal and the message requested by the second auxiliary information.
  • the primary node sends a second secondary node modification request message to the secondary node, requesting the secondary node to activate the secondary cell group SCG.
  • step S316 after receiving the second secondary node modification request message from the master node, the secondary node responds to the second secondary node modification request message, and sends the second secondary node modification request confirmation message to the primary node.
  • step S317 after receiving the second secondary node modification request confirmation message sent by the secondary node, the master node knows that the secondary node agrees to activate the secondary cell group SCG, and at this time, the master node sends a third RRC connection reconfiguration message to the terminal , to inform the terminal that it agrees to activate the secondary cell group SCG.
  • step S318 after receiving the third RRC connection reconfiguration message from the master node, the terminal activates the secondary node, and sends a second RRC connection reconfiguration complete message to the master node.
  • step S319 after receiving the second RRC connection reconfiguration complete message, the primary node sends a second secondary node reconfiguration complete message to the secondary node SN to notify the secondary node that the terminal has completed the reconfiguration process of the secondary cell group.
  • steps S314 to S319 are the process of activating the secondary cell group.
  • the terminal can indicate to the master node its preference for the maximum number of carriers of the secondary cell group and the state of the secondary cell group (including the first expected maximum number of carriers, the second expected maximum number of carriers, etc. quantity, the state of the first desired secondary cell group, the state of the second desired secondary cell group, etc.), after receiving the auxiliary information, the master node can configure a reasonable secondary cell group state for the terminal according to the indication information, so as to guarantee the quality of service At the same time to achieve the purpose of saving electricity.
  • the terminal can indicate its current battery information to the primary node through the auxiliary information, so as to assist the primary node to make a reasonable secondary cell group configuration strategy.
  • the master node can respond to the secondary cell group configuration request message of the terminal through an RRC connection reconfiguration message (including the first to third RRC connection reconfiguration messages).
  • the master node can based on Information such as service configuration and current power information of the terminal responds to the configuration preference request of the secondary cell group put forward by the terminal, so as to configure a reasonable secondary cell group state for the terminal.
  • the method provided by the embodiments of the present disclosure has little impact on the terminal, and has good backward compatibility and deployment feasibility.
  • the solution provided by the embodiments of the present disclosure can be enhanced on the existing protocol, the modification to the existing protocol is small, and the implementation difficulty is relatively low.
  • Fig. 4 schematically shows a flowchart of a communication method based on a dual connectivity configuration according to another embodiment of the present disclosure. It should be understood that, in the embodiment of the present disclosure, the method 400 is described by taking the master node as an execution subject of the method 400 as an example. As an example but not a limitation, the subject of executing the method 400 may also be a chip applied to a master node.
  • the method provided by the embodiment of the present disclosure may include the following steps.
  • step S410 when the terminal is connected to the primary node and the secondary node, the first auxiliary information of the terminal is received from the terminal, and the first auxiliary information of the terminal includes at least one of the following: the The terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the terminal's first expected radio resource control state, the terminal's first expected secondary cell group state for the SCG, the Current battery information of the terminal.
  • step S420 a deactivation/release instruction is generated according to the first auxiliary information, and the deactivation/release instruction instructs the master node to agree to the terminal to deactivate the SCG according to the first auxiliary information or freed.
  • generating a deactivation/release instruction according to the first auxiliary information may include: when the UE is allowed to deactivate or release the SCG according to the first auxiliary information, sending to the secondary node Sending a first secondary node modification request message to request the secondary node to deactivate or release the SCG; if the received secondary node responds to the first secondary node modification request message and return a first secondary node modification request confirmation The message indicates that the secondary node agrees to deactivate or release the SCG, and returns the deactivation/release instruction to the terminal.
  • the method may further include: if the received first SN modification request acknowledgment message returned by the SN in response to the first SN modification request message indicates that the SN refuses to deactivate or release the SCG, then return a reject deactivation/release instruction to the terminal, the reject deactivation/release instruction instructs the master node to refuse the terminal to deactivate the SCG according to the first auxiliary information Or release, so that the terminal maintains the configuration of the SCG according to the instruction of rejecting deactivation/release.
  • step S430 send the deactivation/release instruction to the terminal, so that the terminal deactivates or releases the SCG according to the deactivation/release instruction.
  • the method may further include: receiving a first radio resource control connection reconfiguration complete message returned by the terminal; according to the first radio resource control connection reconfiguration complete message, sending to the secondary node Send the reconfiguration complete message of the first secondary node.
  • the method may further include: receiving second assistance information of the terminal sent by the terminal, where the second assistance information of the terminal includes at least one of the following: The second expected maximum number of carriers of the SCG, the second expected radio resource control state of the terminal, and the second expected secondary cell group state of the terminal for the SCG; generate an activation instruction according to the second auxiliary information; The terminal sends the activation instruction, so that the terminal activates the SCG according to the activation instruction.
  • generating the activation instruction according to the second auxiliary information may include: sending a second secondary node modification request message to the secondary node according to the second auxiliary information, so as to request the secondary node to activate the The SCG; receiving the second secondary node modification request confirmation message returned by the secondary node in response to the second secondary node modification request message; generating the activation instruction according to the second secondary node modification request confirmation message.
  • the method may further include: receiving a second radio resource control connection reconfiguration complete message returned by the terminal; according to the second radio resource control connection reconfiguration complete message, sending to the secondary node Send the second secondary node reconfiguration complete message.
  • the terminal can indicate to the master node its preference for the state of the secondary cell group through the auxiliary information.
  • the terminal can also indicate to the master node through the terminal auxiliary information message Its current power information.
  • the master node configures the appropriate secondary cell group status for the terminal based on the terminal's current service requirements and current power information, so as to reduce the power consumption of the terminal as much as possible on the basis of ensuring the terminal's service requirements.
  • the terminal when the terminal requires a relatively high data transmission rate, the terminal can send the second auxiliary information to the main node, and after receiving the second auxiliary information, the main node can return an activation instruction to the terminal, and the terminal can activate the SCG according to the activation instruction, because When the above-mentioned SCG is deactivated, the relevant configuration of the SCG is still retained by the terminal.
  • the relevant configuration of the SCG can be used directly, and there is no need for the secondary node to re-configure the relevant SCG for the terminal, thereby reducing air interfaces,
  • the signaling overhead between the primary node and the secondary node can reduce the activation delay of the SCG, that is, the response delay of the secondary cell group can be reduced, and service requirements can be guaranteed as much as possible.
  • Fig. 5 schematically shows a flowchart of a communication method based on a dual connectivity configuration according to yet another embodiment of the present disclosure.
  • the method 500 is described by taking the secondary node as an execution subject of the method 500 as an example.
  • the execution subject of the method 500 may also be a chip applied to the secondary node.
  • the method provided by the embodiment of the present disclosure may include the following steps.
  • step S510 when the terminal is connected to the primary node and the secondary node, it receives a first secondary node modification request message from the primary node, and the first secondary node modification request message indicates that the primary node requests the secondary node
  • the node deactivates or releases the secondary cell group SCG under the secondary node, wherein the primary node is configured to generate the first secondary node modification request message according to the first secondary information received from the terminal, and the terminal's
  • the first auxiliary information includes at least one of the following: the first expected maximum number of carriers of the secondary cell group SCG under the secondary node by the terminal, the first expected radio resource control state of the terminal, and the first expected radio resource control state of the terminal.
  • step S520 if the first secondary node modification request message is agreed, return to the primary node a first secondary node modification request confirmation message indicating that the secondary node agrees to deactivate or release the SCG, so that the The primary node returns a deactivation/release instruction to the terminal according to the first secondary node modification request confirmation message indicating that the secondary node agrees to deactivate or release the SCG, and the terminal is used to deactivate the SCG according to the deactivation/release instruction. activating or releasing the SCG.
  • sequence numbers of the above processes do not mean the order of execution, and the execution order of each process should be determined by its functions and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present disclosure.
  • preset and “predefined” may be stored in the device (for example, including terminals and network devices) in advance corresponding codes, tables or other methods that can be used to indicate related information implementation, and the present disclosure does not limit the specific implementation manner.
  • the terminal, MN and SN include hardware structures and/or software modules corresponding to each function.
  • the present disclosure can be implemented in the form of hardware or a combination of hardware and computer software in combination with the example units and algorithm steps described in the embodiments disclosed herein. Whether a certain function is executed by hardware or computer software drives hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementation should not be considered beyond the scope of the present disclosure.
  • Fig. 6 schematically shows a schematic block diagram of a terminal according to an embodiment of the present disclosure.
  • a terminal 600 may include a first communication unit 610 and a first processing unit 620 .
  • the first communication unit 610 may be configured to send first auxiliary information of the terminal to the main node when the terminal is connected to the main node and the auxiliary node, and the first auxiliary information of the terminal includes at least one of the following Item: the terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the terminal's first expected radio resource control state, the terminal's first expected secondary cell group for the SCG state, the current battery information of the terminal, so that the master node generates a deactivation/release instruction according to the first auxiliary information.
  • the first communication unit 610 may also be configured to receive the deactivation/release instruction returned by the master node in response to the first auxiliary information, where the deactivation/release instruction instructs the master node to The terminal is allowed to deactivate or release the SCG.
  • the first processing unit 620 may be configured to deactivate or release the SCG according to the deactivation/release instruction.
  • the first communication unit 610 may include a first receiving unit (module) and a first sending unit (module), configured to execute the steps of method 200 and the terminal receiving information and sending information in the embodiment of FIG. 3 .
  • the terminal 600 may further include a storage unit, configured to store instructions executed by the first communication unit and the first processing unit.
  • the first communication unit 610 may be implemented by a transceiver, and the first processing unit 620 may be implemented by a processor.
  • the storage unit may be realized by a memory.
  • the terminal 700 shown in FIG. 7 may include a processor 710 , a memory 720 and a transceiver 730 .
  • an embodiment of the present disclosure also provides a master node, which may include a second communication unit and a second processing unit.
  • the second communication unit may be configured to receive first auxiliary information of the terminal from the terminal when the terminal is connected to the primary node and the secondary node, where the first auxiliary information of the terminal includes at least one of the following: The terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the terminal's first expected radio resource control state, the terminal's first expected secondary cell group state for the SCG, The current battery information of the terminal.
  • the second communication unit may include a second receiving unit (module) and a second sending unit (module), configured to execute the steps of method 400 and the master node receiving information and sending information in the embodiment of FIG. 3 .
  • a second receiving unit module
  • a second sending unit module
  • the master node may further include a storage unit, configured to store instructions executed by the second communication unit and the second processing unit.
  • the second communication unit may be implemented by a transceiver, and the storage unit may be implemented by a memory.
  • a master node may include a processor, memory, and transceivers.
  • an embodiment of the present disclosure also provides a secondary node, which may include a third communication unit.
  • the third communication unit may be configured to receive a first secondary node modification request message from the primary node when the terminal is connected to the primary node and the secondary node, and the first secondary node modification request message indicates that the primary node requests the The secondary node deactivates or releases the secondary cell group SCG under the secondary node, wherein the primary node is configured to generate the first secondary node modification request message according to the first secondary information received from the terminal, the The first auxiliary information of the terminal includes at least one of the following: the terminal's first expected maximum number of carriers for the secondary cell group SCG under the secondary node, the terminal's first expected radio resource control state, the The terminal's first expected secondary cell group state for the SCG, and the current battery information of the terminal.
  • the third communication unit may be further configured to return to the primary node a first secondary node modification request acknowledgment indicating that the secondary node agrees to deactivate or release the SCG if the first secondary node modification request message is agreed message, so that the primary node returns a deactivation/release instruction to the terminal according to the first secondary node modification request confirmation message indicating that the secondary node agrees to deactivate or release the SCG, and the terminal is used to An activate/release command deactivates or releases the SCG.
  • the third communication unit may include a third receiving unit (module) and a third sending unit (module), configured to execute method 500 and the steps of the secondary node receiving information and sending information in the embodiment in FIG. 3 .
  • a third receiving unit module
  • a third sending unit module
  • the secondary node may further include a storage unit, configured to store instructions executed by the third communication unit.
  • the third communication unit may be implemented by a transceiver, and the storage unit may be implemented by a memory.
  • a secondary node may include a processor, memory, and transceivers.
  • An embodiment of the present disclosure further provides a processing device, including a processor and an interface; the processor is configured to execute the communication method based on the dual connection configuration in any one of the above method embodiments.
  • the above processing device may be a chip.
  • the processing device may be a Field-Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), or a System on Chip (SoC), or It can be a central processing unit (Central Processor Unit, CPU), a network processor (Network Processor, NP), a digital signal processing circuit (Digital Signal Processor, DSP), or a microcontroller (Micro Controller Unit, MCU), can also be a programmable controller (Programmable Logic Device, PLD) or other integrated chips.
  • FPGA Field-Programmable Gate Array
  • ASIC Application Specific Integrated Circuit
  • SoC System on Chip
  • CPU Central Processor Unit
  • NP Network Processor
  • DSP Digital Signal Processor
  • MCU Micro Controller Unit
  • PLD programmable Logic Device
  • each step of the above method can be completed by an integrated logic circuit of hardware in a processor or an instruction in the form of software.
  • the steps of the methods disclosed in the embodiments of the present disclosure may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the 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. To avoid repetition, no detailed description is given here.
  • the processor in the embodiment of the present disclosure may be an integrated circuit chip having a signal processing capability.
  • each step of the above-mentioned method embodiment can 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 off-the-shelf programmable gate array
  • Program logic devices discrete gate or transistor logic devices, discrete hardware components.
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the methods disclosed in the embodiments of the present disclosure 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.
  • An embodiment of the present disclosure also provides a communication system, which includes the foregoing sending end device and receiving end device.
  • the sending end device is a terminal, and the receiving end device is a master node; or, the sending end device is a master node, and the receiving end device is a secondary node.
  • An embodiment of the present disclosure further provides a computer-readable medium on which a computer program is stored, and when the computer program is executed by a computer, the communication method based on the dual connection configuration in any of the above method embodiments is implemented.
  • An embodiment of the present disclosure further provides a computer program product, which implements the communication method based on the dual connectivity configuration in any of the foregoing method embodiments when the computer program product is executed by a computer.
  • An embodiment of the present disclosure also provides a system chip, the system chip includes: a processing unit and a communication unit, the processing unit may be, for example, a processor, and the communication unit may be, for example, an input/output interface, a pin, or a circuit.
  • the processing unit may execute computer instructions, so that chips in the terminal, the master node, and the slave node execute any communication method based on the dual connection configuration provided in the foregoing embodiments of the present disclosure.
  • the computer instructions are stored in a storage unit.
  • the storage unit is a storage unit in the chip, such as a register, a cache, etc.
  • the storage unit can also be a storage unit located outside the chip in the terminal, such as a read-only memory (read-only memory, ROM) ) or other types of static storage devices that can store static information and instructions, random access memory (random access memory, RAM), etc.
  • the processor mentioned in any of the above places may be a CPU, a microprocessor, an ASIC, or one or more integrated circuits for controlling the program execution of the above-mentioned communication method based on the dual connection configuration.
  • the processing unit and the storage unit can be decoupled, respectively arranged on different physical devices, and connected in a wired or wireless manner to realize the respective functions of the processing unit and the storage unit, so as to support the system chip to implement the above embodiments Various functions in .
  • the processing unit and the memory can also be coupled to the same device.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present disclosure will be generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transferred from a website, computer, server, or data center by wire (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available media can be magnetic media (for example, floppy disk, hard disk, magnetic tape), optical media (for example, high-density digital video disc (digital video disc, DVD)), or semiconductor media (for example, solid state disk (solid state disk, SSD) ))wait.
  • magnetic media for example, floppy disk, hard disk, magnetic tape
  • optical media for example, high-density digital video disc (digital video disc, DVD)
  • semiconductor media for example, solid state disk (solid state disk, SSD))
  • 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 can be Integrate 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 disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.

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Abstract

一种基于双连接配置的通信方法及相关设备。该方法应用于终端，包括：在终端与主节点和辅节点连接时，向主节点发送终端的第一辅助信息，终端的第一辅助信息包括以下中的至少一项：终端对辅节点下的辅小区组SCG的第一期望最大载波数量，终端的第一期望无线资源控制状态，终端对SCG的第一期望辅小区组状态，终端的当前电量信息，以便主节点根据第一辅助信息生成去激活/释放指令；接收主节点响应第一辅助信息返回的去激活/释放指令，去激活/释放指令指示主节点根据第一辅助信息同意终端进行SCG的去激活或者释放；根据去激活/释放指令去激活或者释放SCG。

Description

基于双连接配置的通信方法及相关设备
相关申请的交叉引用
本申请要求于2021年08月10日提交的申请号为202110912596.2、名称为“基于双连接配置的通信方法及相关设备”的中国专利申请的优先权，该中国专利申请的全部内容通过引用全部并入本文。
技术领域
本公开涉及通信技术领域，具体而言，涉及一种基于双连接配置的通信方法、终端、主节点、辅节点和计算机可读存储介质。
背景技术
在第五代(5 Generation，5G)移动通信系统的初始阶段，由于第四代(4 Generation，4G)移动通信系统和5G新空口(New Radio，NR)网络会共存，为了充分利用现有的4G网络，运营商会部署通过演进的UMTS陆地无线接入网(Evolved UMTS Terrestrial Radio Access Network，E-UTRAN)和NR网络，以同时为终端提供业务传输。另外也可以部署两个5G NR接入网，以同时为终端提供业务传输。这种通过两个接入网同时为终端提供业务传输的连接方式被称为多无线电双连接(Multi-Radio Dual Connectivity，MR-DC)或者双连接方式。
双连接中存在两个节点为终端提供业务传输，这两个节点分别为主节点(Master Node，MN)和辅节点(Secondary Node，SN)。其中，终端在主节点下的多个服务小区称为主小区组(Master Cell Group，MCG)。MCG包括主小区(Primary Cell，PCell)和辅小区(Secondary Cell，SCell)。主小区工作在主载波上，并且终端在主小区上实现初始连接建立或者发起连接重建立过程。MCG中除PCell之外的小区，均为SCell。
终端在辅节点下的多个服务小区称为(Secondary Cell Group，SCG)，SCG包括辅服务小区组主小区(Primary SCG Cell，PSCell)和SCell。其中，终端在同步重配过程中进行随机接入的SCG中的小区称为PSCell，SCG中除PSCell之外的小区，均为SCell。
在现有技术中，当终端被配置SCG之后，即使终端对数据传输速率要求比较低时，终端也需要监听SCG的PSCell和SCell的物理下行控制信道(Physical Downlink Control Channel，PDCCH)，且终端还要在PSCell和SCG的SCell上发送信道探测参考信号(Sounding Reference Signal，SRS)，信道状态信息(Channel State Information，CSI)等上行信号。这样会导致终端过高的功率消耗。
发明内容
本公开实施例提供一种基于双连接配置的通信方法、终端、主节点、辅节点和计算机可读存储介质。
本公开实施例提供一种基于双连接配置的通信方法，所述方法应用于终端，所述方法包括：在所述终端与主节点和辅节点连接时，向所述主节点发送所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息，以便所述主节点根据所述第一辅助信息生成去激活/释放指令；接收所述主节点响应所述第一辅助信息返回的所述去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行所述SCG的去激活或者释放；根据所述去激活/释放指令去激活或者释放所述SCG。本公开实施例提供的方法可以由终端执行，也可以由配置于终端中的芯片执行，本公开对此不做限定。
本公开实施例提供一种基于双连接配置的通信方法，所述方法应用于主节点，所述方法包括：在终端与所述主节点和辅节点连接时，从所述终端接收所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息；根据所述第一辅助信息生成去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行所述SCG的去激活或者释 放；向所述终端发送所述去激活/释放指令，以便所述终端根据所述去激活/释放指令去激活或者释放所述SCG。本公开实施例提供的方法可以由主节点执行，也可以由配置于主节点中的芯片执行，本公开对此不做限定。
本公开实施例提供一种基于双连接配置的通信方法，所述方法应用于辅节点，所述方法包括：在终端与主节点和所述辅节点连接时，从所述主节点接收第一辅节点修改请求消息，所述第一辅节点修改请求消息指示所述主节点请求所述辅节点去激活或释放所述辅节点下的辅小区组SCG，其中所述主节点用于根据从所述终端接收到的第一辅助信息生成所述第一辅节点修改请求消息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息；若同意所述第一辅节点修改请求消息，则向所述主节点返回指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息，以便所述主节点根据指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息向所述终端返回去激活/释放指令，所述终端用于根据所述去激活/释放指令去激活或者释放所述SCG。本公开实施例提供的方法可以由辅节点执行，也可以由配置于辅节点中的芯片执行，本公开对此不做限定。
本公开实施例提供一种终端，包括：第一通信单元，用于在所述终端与主节点和辅节点连接时，向所述主节点发送所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息，以便所述主节点根据所述第一辅助信息生成去激活/释放指令；所述第一通信单元还用于接收所述主节点响应所述第一辅助信息返回的所述去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行所述SCG的去激活或者释放；第一处理单元，用于根据所述去激活/释放指令去激活或者释放所述SCG。该终端包括的第一通信单元和第一处理单元可以通过软件和 /或硬件方式实现。
本公开实施例提供一种主节点，包括：第二通信单元，用于在终端与所述主节点和辅节点连接时，从所述终端接收所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息；第二处理单元，用于根据所述第一辅助信息生成去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行所述SCG的去激活或者释放；所述第二通信单元还用于向所述终端发送所述去激活/释放指令，以便所述终端根据所述去激活/释放指令去激活或者释放所述SCG。该主节点包括的第二通信单元和第二处理单元可以通过软件和/或硬件方式实现。
本公开实施例提供一种辅节点，包括：第三通信单元，用于在终端与主节点和所述辅节点连接时，从所述主节点接收第一辅节点修改请求消息，所述第一辅节点修改请求消息指示所述主节点请求所述辅节点去激活或释放所述辅节点下的辅小区组SCG，其中所述主节点用于根据从所述终端接收到的第一辅助信息生成所述第一辅节点修改请求消息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息；所述第三通信单元还用于若同意所述第一辅节点修改请求消息，则向所述主节点返回指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息，以便所述主节点根据指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息向所述终端返回去激活/释放指令，所述终端用于根据所述去激活/释放指令去激活或者释放所述SCG。该辅节点包括的第三通信单元可以通过软件和/或硬件方式实现。
本公开实施例提供一种通信设备，该通信设备包括至少一个处理器和通信接口。该通信接口用于该通信设备与其他通信设备进行信息交互，当程序指令在该至少一个处理器中执行时，实现上述实施例中任意一种 可能的实现方式中的方法。
可选地，该通信设备还可以包括存储器。存储器用于存储程序和数据。
可选地，该通信设备可以是终端和/或主节点和/或辅节点。
本公开实施例提供了一种计算机可读存储介质，其上存储有用于通信设备执行的计算机程序，所述程序被处理器执行时实现上述实施例中任意一种可能的实现方式中的方法。
例如，该计算机可读存储介质中可以存储用于终端执行的计算机程序，所述程序被处理器执行时实现如上述实施例中终端所执行的所述的方法的指令。
例如，该计算机可读存储介质中可以存储用于主节点执行的计算机程序，所述程序被处理器执行时实现如上述实施例中主节点所执行的所述的方法的指令。
例如，该计算机可读存储介质中可以存储用于辅节点执行的计算机程序，所述程序被处理器执行时实现如上述实施例中辅节点所执行的所述的方法的指令。
本公开实施例提供了一种包含指令的计算机程序产品。当该计算机程序产品在通信设备上运行时，使得通信设备执行上述各方或上述各方中任意一种可能的实现方式中的方法的指令。
例如，该计算机程序产品在终端上执行时，使得终端执行上述各实施例中任意一种可能的实现方式中的方法的指令。
例如，该计算机程序产品在主节点上执行时，使得主节点执行上述各实施例中任意一种可能的实现方式中的方法的指令。
例如，该计算机程序产品在辅节点上执行时，使得辅节点执行上述各实施例中任意一种可能的实现方式中的方法的指令。
本公开实施例提供了一种系统芯片，该系统芯片包括输入输出接口和至少一个处理器，该至少一个处理器用于调用存储器中的指令，以进行上述各方中任意一种可能的实现方式中的方法的操作。
可选地，该系统芯片还可以包括至少一个存储器和总线，该至少一个存储器用于存储处理器执行的指令。
本公开实施例提供了一种通信系统，包括前述的终端、主节点和辅节点。
附图说明
图1示意性示出了根据本公开的一实施例的基于双连接配置的通信方法的应用场景示意图。
图2示意性示出了根据本公开的一实施例的基于双连接配置的通信方法的流程图。
图3示意性示出了根据本公开的一实施例的基于双连接配置的通信方法的交互示意图。
图4示意性示出了根据本公开的另一实施例的基于双连接配置的通信方法的流程图。
图5示意性示出了根据本公开的又一实施例的基于双连接配置的通信方法的流程图。
图6示意性示出了根据本公开的一实施例的终端的示意性框图。
图7示意性示出了根据本公开的又一实施例的终端的示意性框图。
具体实施方式
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的范例；相反，提供这些实施方式使得本公开将更加全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。
在本公开的描述中，除非另有说明，“/”表示“或”的意思，例如，A/B可以表示A或B。本文中的“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。此外，“至少一个”是指一个或多个，“多个”是指两个或两个以上。“第一”、“第二”等字样并不对数量和执行次序进行限定，并且“第一”、“第二”等字样也并不限定一定不同。
本公开实施例提供的方案可以应用于5G双连接场景。5G初期引 入了多无线电双连接技术MR-DC，具体可以包括EN-DC(E-RTRAN-NR Dual Connectivity，E-UTRAN-NR双连接)、NE-DC(NR-E-UTRAN Dual Connectivity，NR-E-UTRAN双连接)、NR-DC(NR-NR Dual Connectivity，NR-NR双连接)和NGEN-DC(NG-RAN E-UTRAN-NR Dual Connectivity，NG-RAN E-UTRAN-NR双连接)等多种组网方式。
图1是5G NSA(Non-Standalone，非独立组网)组网采用的是EN-DC模式，如图1所示，这种双连接以长期演进(Long Term Evolution，LTE)网络中的演进型基站(evolved NodeB，简称eNB)为主节点MN，提供基本覆盖，NR网络的基站en-gNB为辅节点SN，提高系统容量。并且eNB连接到4G核心网，即演进的分组核心网(Evolved Packet Core Internet，EPC)。MME表示Mobility Management Entity function，移动管理节点功能。S-GW表示Serving GateWay，服务网关。
具体来说，处于DC模式的UE(User Equipment，用户设备或用户终端，以下简称终端)占用两个基站的小区资源，其中，建立控制面连接的基站称为主节点MN，另一个称为辅节点SN。MN的小区构成主小区组MCG，SN的小区构成辅小区组SCG。MCG和SCG都包含一个主小区(Primary Cell)，MCG的主小区称为PCell，SCG的主小区称为PSCell，PCell和PSCell统称为特殊小区(Special Cell，SpCell)。如果MCG或SCG除了SpCell外还包含一个或多个SCell，则表示MN或SN配置了CA(Carrier Aggregation，载波聚合)。其中DC和CA相互独立，具体来说，CA在MAC(Media Access Control，介质访问控制层)层实现，DC在PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)实现，因此，两者既可以单独配置，也可以同时配置。
NGEN-DC这种双连接方式以NG-eNB为主节点，gNB为辅节点，并且主节点连接到5G核心网(5G Core，5GC)。
NE-DC这种双连接方式以gNB为主节点，以eLTE中的NG-eNB为辅节点，并且主节点连接到5GC。
NR-DC这种双连接方式以一个gNB为主节点，另一个gNB为辅节点，并且主节点连接到5GC。
需要说明的是，本公开技术方案可以基于上述四种双连接方式，但 不限于上述双连接方式。
需要说明的是，本公开实施例中涉及的节点(包括主节点和辅节点)可以是全球移动通讯(Global System of Mobile communication，简称GSM)或码分多址(Code Division Multiple Access，简称CDMA)中的基站(Base Transceiver Station，简称BTS)中，也可以是宽带码分多址(Wideband Code Division Multiple Access，简称WCDMA)中的基站(NodeB，简称NB)，还可以是LTE网络中的eNB、AP(Access Point，接入点)或者中继站，也可以是eLTE中的NG-eNB，也可以是5G NR中的gNB等，对此不作限定。
另外，本公开实施例中涉及的终端是指向用户提供语音和/或数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其它处理设备。终端可以是移动终端，如移动电话(或称为“蜂窝”电话)和带有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语音和/或数据。终端也可以称为用户单元(Subscriber Unit)、用户站(Subscriber Station)，移动站(Mobile Station)、移动台(Mobile Station)、远程站(Remote Station)、AP、远程终端(Remote Terminal)、接入终端(Access Terminal)、用户终端(User Terminal)、用户代理(User Agent)或UE，对此不作限定。
图2示意性示出了根据本公开的一实施例的基于双连接配置的通信方法的流程图。应理解，在本公开实施例中，以终端作为执行方法200的执行主体为例，对方法200进行说明。作为示例而非限定，执行方法200的执行主体也可以是应用于终端的芯片。
如图2所示，本公开实施例提供的方法可以包括如下步骤。
在步骤S210中，在所述终端与主节点和辅节点连接时，向所述主节点发送所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息，以便所述主节点根据所述第一辅助信息生成去激活/释放指令。
在示例性实施例中，向所述主节点发送所述终端的第一辅助信息，可以包括：向所述主节点发送第一终端辅助信息消息，所述第一终端辅助信息消息携带所述第一辅助信息。
在示例性实施例中，当所述第一辅助信息包括所述第一期望最大载波数量时，所述第一期望最大载波数量为大于或等于0且小于或等于31的整数。
在示例性实施例中，当所述第一辅助信息包括所述第一期望最大载波数量时，所述第一期望最大载波数量可以为0。
在示例性实施例中，所述第一期望最大载波数量可以包括第一期望下行最大载波数量和第一期望上行最大载波数量，所述第一期望下行最大载波数量可以为大于或等于0且小于或等于31的整数，所述第一期望上行最大载波数量可以为大于或等于0且小于或等于31的整数。
在示例性实施例中，当所述第一辅助信息包括所述第一期望最大载波数量时，所述第一辅助信息可以包括过热辅助信息，所述过热辅助信息可以包括所述第一期望最大载波数量，所述第一期望最大载波数量可以为大于或等于0且小于或等于31的整数。
在示例性实施例中，当所述第一辅助信息包括所述第一期望无线资源控制状态时，所述第一期望无线资源控制状态可以为空闲状态、非激活状态、连接状态或者断开连接状态。
在示例性实施例中，当所述第一辅助信息包括所述第一期望辅小区组状态，所述第一期望辅小区组状态可以为去激活状态或者释放状态。
在示例性实施例中，当所述第一辅助信息包括所述当前电量信息时，所述当前电量信息中的当前电量可以小于预设电量阈值。
在步骤S220中，接收所述主节点响应所述第一辅助信息返回的所述去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行所述SCG的去激活或者释放。
在示例性实施例中，接收所述主节点响应所述第一辅助信息返回的所述去激活/释放指令，可以包括：接收所述主节点响应所述第一辅助信息返回的第一无线资源控制连接重配置消息，所述第一无线资源控制连接重配置消息携带所述去激活/释放指令。
在示例性实施例中，所述方法还可以包括：响应所述第一无线资源控制连接重配置消息，向所述主节点返回第一无线资源控制连接重配置完成消息。
在示例性实施例中，所述方法还可以包括：接收所述主节点响应所述第一辅助信息返回的拒绝去激活/释放指令，所述拒绝去激活/释放指令指示所述主节点根据所述第一辅助信息拒绝所述终端进行所述SCG的去激活或者释放；根据所述拒绝去激活/释放指令，保持所述SCG的配置。
在示例性实施例中，接收所述主节点响应所述第一辅助信息返回的拒绝去激活/释放指令，可以包括：接收所述主节点响应所述第一辅助信息返回的第二无线资源控制连接重配置消息，所述第二无线资源控制连接重配置消息携带所述拒绝去激活/释放指令。
在步骤S230中，根据所述去激活/释放指令去激活或者释放所述SCG。
本公开实施例中，去激活/释放指令可以包括去激活指令或者释放指令。其中，去激活指令用于去激活终端在辅节点SN下的辅小区组SCG。当SCG被去激活后，终端可以继续保留对SCG的相关配置。SCG的相关配置可以包括SCell的物理层配置，MAC层配置等。从而可以减少SCG激活的时延。
可选的，上述去激活指令可以是MAC层信令或者物理层信令。
在示例性实施例中，所述方法还可以包括：向所述主节点发送所述终端的第二辅助信息，所述终端的第二辅助信息包括以下中的至少一项：所述终端对所述SCG的第二期望最大载波数量，所述终端的第二期望无线资源控制状态，所述终端对所述SCG的第二期望辅小区组状态，以便所述主节点根据所述第二辅助信息生成激活指令；接收所述主节点响应所述第二辅助信息返回的所述激活指令；根据所述激活指令激活所述SCG。
在示例性实施例中，向所述主节点发送所述终端的第二辅助信息，可以包括：向所述主节点发送第二终端辅助信息消息，所述第二终端辅助信息消息携带所述第二辅助信息。
在示例性实施例中，当所述第二辅助信息包括所述第二期望最大载波数量时，所述第二期望最大载波数量可以不为0。
在示例性实施例中，当所述第二辅助信息包括所述第二期望无线资源控制状态时，所述第一期望无线资源控制状态可以为连接状态。
在示例性实施例中，当所述第二辅助信息包括所述第二期望辅小区组状态，所述第二期望辅小区组状态可以为激活状态。
在示例性实施例中，接收所述主节点响应所述第二辅助信息返回的所述激活指令，可以包括：接收所述主节点响应所述第二辅助信息返回的第三无线资源控制连接重配置消息，所述第三无线资源控制连接重配置消息携带所述激活指令。
在示例性实施例中，所述方法还可以包括：响应所述第三无线资源控制连接重配置消息，向所述主节点返回第二无线资源控制连接重配置完成消息。
本公开实施方式提供的基于双连接配置的通信方法，在终端与主节点和辅节点连接时，通过终端向该主节点发送该终端的第一辅助信息，并在该终端的第一辅助信息中携带以下信息中的至少一项：该终端对该辅节点下的辅小区组SCG的第一期望最大载波数量，该终端的第一期望无线资源控制状态，该终端对该SCG的第一期望辅小区组状态，该终端的当前电量信息，从而使得该主节点能够获知该终端对该辅小区组SCG的第一期望最大载波数量、第一期望无线资源控制状态、第一期望辅小区组状态以及该终端的当前电量信息等中的任意一种或者多种，该主节点可以根据该第一辅助信息中携带的该终端对该辅小区组SCG的第一期望最大载波数量、第一期望无线资源控制状态、第一期望辅小区组状态以及该终端的当前电量信息等中的任意一种或者多种来判断是否要生成去激活/释放指令，若主节点决定接受该终端发送的第一辅助信息，则可以生成去激活/释放指令，并将生成的去激活/释放指令返回至该终端，该终端接收该去激活/释放指令后，可以根据该去激活/释放指令去激活或者释放该SCG。本公开实施例提供的方案，终端可以通过第一辅助信息中的第一期望最大载波数量向主节点指示其对于辅小区组SCG的最大载波数量的偏好，和/或，通过第一期望无线资源控制状态 向主节点指示其对于无线资源控制状态的偏好，和/或，通过第一期望辅小区组状态向主节点指示其对于辅小区组SCG的辅小区组状态的偏好，为了辅助主节点更好的做出判断，终端还可以通过该终端的当前电量信息向主节点指示其当前的电量信息，从而使得主节点在接收到终端上报的第一辅助信息后，可以基于该终端的当前业务需求与当前电量信息，为该终端配置适当的辅小区组状态，例如对其进行去激活或者释放，当SCG被去激活后，终端无需监听SCG的PSCell和SCell的PDCCH，也无需在PSCell和SCG的SCell上发送SRS、CSI等上行信号，从而可以有效地降低终端的功耗，并尽可能保证了业务需求。
考虑到LTE基站和NR基站间没有理想的传输链路，引入NR会带来一定的时延，因此，为了充分利用NR大带宽的优势，可以考虑辅小区的快速添加和激活机制。另一方面，EN-DC同时维持两条无线链路会大大提高NR UE和网络的功耗，某些情况下，NR UE的功耗将是LTE UE的3到4倍，因此，当UE数据速率动态变化时，例如由高到低，可以考虑激活/去激活SN以节省网络和UE的功耗。
有效的辅小区组激活/去激活策略可以在降低终端功耗的同时，降低辅小区组的激活时延，保证业务质量。相关技术中，支持主节点控制的辅小区组激活/去激活策略，但是，终端不能向主节点指示该终端对于辅小区组状态的偏好，从而无法更高效的降低终端的功耗，影响了终端的待机时间。在保证业务质量的同时，降低终端功耗，相关标准和实现上还存在至少如下问题：
-终端无法向主节点指示其对于辅小区组配置的偏好：相关技术中，UE辅助信息(UE assistant information)中，缺少对于辅小区组状态偏好的指示信息，主节点在收到辅助信息后，无法很好的为终端配置适当的辅小区组状态，从而无法很好的在保证业务质量的同时达到节电的目的。
-缺少与终端功耗相关的指示信息：相关技术中，在UE辅助信息中，缺少与终端当前电量相关的指示信息，终端无法向主节点指示其当前的电量信息，从而无法辅助主节点做出适当策略。
-主节点无法对终端的辅小区组配置偏好信息做出响应：相关技术 中，在RRC(Radio Resource Control，无线资源控制)消息中，缺少针对终端辅小区组配置偏好的响应消息，主节点在收到终端发送的辅助信息后，无法对终端提出的辅小区组配置做出响应，从而无法为终端配置最合适的辅小区组状态。
基于上述需求和原因分析，目前的3GPP(3rd Generation Partnership Project，第三代合作伙伴计划)协议无法满足需求，需要通过新的方式来增强MR-DC过程，以满足终端的业务质量和节电的需求。即为了进一步提高双连接的性能，实现在降低终端功耗的同时，降低辅小区组的反映时延，保证业务质量，当前标准和实现方案需要进一步的优化。
针对多无线电双连接的配置问题，本公开实施例提出的方法提供了一种高效的辅小区组配置方式。通过本公开实施例提供的方案，终端可以根据当前业务需求以及当前电量信息等信息，通过UE辅助信息消息(包括第一终端辅助信息消息和第二终端辅助信息消息)向主节点指示该终端对于辅小区组配置的偏好。终端可以通过辅助信息(包括第一辅助信息和第二辅助信息)向主节点指示其对于辅小区组状态的偏好，为了辅助主节点做出更好的判断，终端还可以通过第一UE辅助信息消息向主节点指示其当前电量信息。主节点在收到终端的辅助信息后，基于终端当前业务需求与当前电量信息以及业务特点等信息，判断是否接受终端对于辅小区组配置偏好的请求，为终端配置适当的辅小区组状态，从而在保证终端业务需求的基础上尽可能降低终端功耗。
本公开通过高效的辅小区组配置机制，有效降低了终端功耗，降低了辅小区组的反应时延，尽可能保证了业务需求。此外，本公开实施例所提供的方法基于已有的UE辅助信息消息进行增强，具有对现有协议改动较小的特点。
例如，对于配置了辅小区组的终端，当终端业务量降低、电量降低或者过热时，终端向主节点发送第一终端辅助信息消息以指示其对于辅小区组去激活状态的偏好，为了辅助主节点做出合理的判断，终端将其当前电量信息通过该第一终端辅助信息消息一同发送给主节点。主节点在收到终端的第一辅助信息后，根据终端当前业务需求、当前电量信息以及业务特点等信息，判断是否接受终端对于辅小区租配置偏好的请求， 并通过第一RRCConnectionReconfiguration消息(第一无线资源控制连接重配置消息)对终端的请求做出响应，即将第一RRCConnectionReconfiguration消息作为第一UE assistant information消息的响应消息。终端在收到主节点的响应消息后，对辅小区组进行配置并向主节点发送第一RRCConnectionReconfigurationComplete消息(第一无线资源控制连接重配置完成消息)。
再例如，当终端业务量提高时，终端可以通过第二辅助信息指示主节点激活辅小区组。
本公开实施例提供的方法描述了双连接配置机制，其中主节点相对应的小区组为MCG，辅节点对应的小区组为SCG，终端发送辅助信息给主节点，以指示其对于SCG去激活/激活的偏好。下面结合图3对本公开实施例提供的方法中对辅小区组SCG进行配置的流程进行举例说明，但本公开的保护范围并不限定于此。
在步骤S31中，为了满足终端的业务需求，当主节点无法满足终端业务需求时，主节点为终端添加辅小区组SCG，此时终端同时连接到主小区组MCG和辅小区组SCG，即UE连接至MN和SN。
在步骤S32中，当终端预计一段时间内没有数据传输时，终端期望降低辅小区组SCG配置以降低功耗，此时，终端可以向主节点发送第一辅助信息以指示其对于辅小区组SCG最大载波数量的偏好(第一期望最大载波数量)，一般情况下，终端可以通过降低辅小区组SCG的最大载波数量以降低终端功耗，其中，最大载波数量一旦配置，辅小区组的载波数量不能超过该值，当终端将辅小区组SCG的第一期望最大载波数量的值设为0时，表示终端不想再保持辅小区组SCG配置。在其他实施例中，终端还可以通过该第一终端辅助信息消息上报其对于RRC状态的偏好，具体来说，该第一终端辅助信息消息中可以包含但不限于如下信息：
-辅小区组SCG的第一期望最大载波数量：例如，可以使用UE assistance information(为了与下文中的UE辅助信息区别开来，此处称之为终端的第一辅助信息)中的MaxCC-Preference-r16字段来指示终端对于辅小区组SCG最大载波数量的偏好，其中，该第一期望最大载波 数量可以包括：
降低的最大载波数量，例如可以包括：
降低的第一期望下行最大载波数量：取值为0-31之间的整数；
降低的第一期望上行最大载波数量：取值为0-31之间的整数。
-RRC状态偏好，即第一期望无线资源控制状态：该字段用于指示UE对于RRC状态的偏好，例如可以采用字段preferredRRC-State-r16指示idle(空闲状态)，inactive(非激活状态)，connected(连接状态)，outOfConnected(断开连接状态)等几种状态中的任意一种状态。
在步骤S33中，当终端出现过热情况时，终端也可以通过向主节点发送第一辅助信息以上报其对于辅小区组SCG最大载波数量的偏好(第一期望最大载波数量)。在其他实施例中，终端还可以通过该第一终端辅助信息消息上报其对于RRC状态的偏好，具体来说，该第一终端辅助信息消息中可以包含但不限于如下信息：
-过热辅助信息，其可以进一步包括：
降低的最大载波数量，指示该终端对于辅小区组载波数量的偏好，例如可以包括：
降低的第一期望下行最大载波数量：取值为0-31之间的整数；
降低的第一期望上行最大载波数量：取值为0-31之间的整数。
-RRC状态偏好，即第一期望无线资源控制状态：该字段用于指示UE对于RRC状态的偏好，例如可以采用字段preferredRRC-State-r16指示idle，inactive，connected，outOfConnected等几种状态中的任意一种状态。
在步骤S34中，终端可以通过将辅小区组SCG的第一期望最大载波数量配置为0，表示其不想保持辅小区组SCG配置，通过RRC状态偏好指示该终端对于RRC状态的偏好，但是该第一终端辅助信息消息无法指示终端对于辅小区组状态的偏好。此时，终端可以在第一辅助信息中增加一条对于辅小区组SCG状态的偏好消息即第一期望辅小区组状态，该第一期望辅小区组状态可以为去激活状态或者释放状态，以用于指示终端对于辅小区组SCG激活、去激活或者辅小区组SCG释放状态的偏好。
例如，该第一辅助信息消息还可以包括：
-辅小区组SCG状态偏好，即配置第一期望辅小区组状态：该字段用以指示终端对于辅小区组SCG状态的偏好，具体可以包括activation(激活状态)，deactivation(去激活状态)，release(释放状态)等几种状态，此时指示的是deactivation或release。
在步骤S35中，此时，如果终端电量较低，例如判断是否小于预设电量阈值，预设电量阈值可以根据实际需求进行设置，本公开对此不做限定，当终端的当前电量信息小于预设电量阈值时，判定该终端的电量较低；当终端的当前电量信息大于或等于预设电量阈值时，则判定该终端的电量较高。终端可以将当前电量信息添加到第一终端辅助信息消息中，用以指示终端对于辅小区组SCG去激活或释放状态的迫切需求，该第一终端辅助信息消息可以包括：
-当前电量信息：该字段用以指示终端当前的电量信息，具体可以表示为100以内的整数，用以表示当前的电量百分比。例如，此时为30，表示终端电量还剩30％。
在步骤S36中，主节点MN在收到终端的第一辅助信息后，通过第一辅助信息中携带的第一期望最大载波数量(MaxCC-prefer)、第一期望无线资源控制状态(RRC State)、第一期望辅小区组状态(SCG-State)、过热辅助信息(过热状态)和当前电量信息(Battery State)，得知终端对于辅小区组SCG的最大载波数量、RRC状态和辅小区组SCG状态的偏好以及终端的当前电量信息，主节点根据这些信息中的一项或者多项，对终端第一终端辅助信息消息中的请求消息做出判断。
可选的，在步骤S37中，当主节点MN拒绝终端的请求时，主节点MN通过第二RRC连接重配置消息告知终端，其第一辅助信息中携带的辅小区组SCG相关请求消息未被接受，终端不能去激活或者释放辅小区组SCG，第二RRC连接重配置消息用于指示拒绝辅小区组相关请求。
在步骤S38中，当主节点MN同意终端的辅小区组SCG配置去激活或者释放请求时，主节点MN向辅节点SN发送第一辅节点(图3中用SgNB表示辅节点)修改请求消息(即SgNB Modification Request消息)， 请求辅节点SN去激活或者释放辅小区组SCG。
在步骤S39中，辅节点SN在收到主节点MN发送的第一辅节点修改请求消息之后，即SN接收到MN的去激活或者释放请求后，对该第一辅节点修改请求消息做出响应，将第一辅节点修改请求确认消息(即SgNB Modification Request Acknowledge消息)返回给MN，以确认SN接受MN发送的第一辅节点修改请求消息，将第一辅节点修改请求确认消息作为第一辅节点修改请求消息的响应消息。该响应消息可以包含但不限于如下信息：
-辅小区组SCG修改请求确认消息：该字段用以指示辅节点SN是否同意主节点MN的请求，当其为ACK时表示辅节点SN同意主节点MN的请求，当其为NACK时表示辅节点SN拒绝主节点MN的请求。
在步骤S310中，主节点在收到辅节点的第一辅节点修改请求确认消息后，如果辅节点同意辅小区组SCG的去激活或者释放请求，主节点通过第一RRC连接重配置消息告知终端同意其进行辅小区组SCG的去激活或者释放。如果辅节点拒绝辅小区组SCG的去激活或者释放请求，主节点通过第二连接RRC重配置消息拒绝终端的辅小区组SCG的去激活或者释放请求。
在步骤S311中，当终端收到主节点的第一RRC连接重配置消息后，如果主节点接受了辅小区组SCG的去激活或者释放请求，终端更新辅小区组SCG的配置，并向主节点发送第一RRC连接重配置完成消息(RRCConnectionReconfigurationComplete消息)。如果主节点拒绝了辅小区组SCG去激活或者释放请求，则终端保持原有的辅小区组SCG配置即可，无需向MN发送第一RRC连接重配置完成消息。
在步骤S312中，主节点在收到第一RRC连接重配置完成消息后，可以向SN发送第一辅节点重配置完成(即SgNB Reconfiguration Complete)消息，以通知辅节点，终端完成了辅节点的重配过程。
上述步骤S31至S312为SCG去激活阶段(Period of SCG deactivation)。
在步骤S314中，在辅小区组SCG去激活一段时间后，如果终端业务量提高，终端可以通过第二终端辅助信息消息请求主节点激活辅小区 组SCG，其中，终端可以通过将辅小区组最大载波数量(此时指第二期望最大载波数量)配置为大于0的整数，以指示其对于保持辅小区组载波配置的偏好，终端还可以通过该第二终端辅助信息消息指示其对于辅小区组状态的偏好，具体来说，该第二辅助信息可以包含但不限于如下信息：
-辅小区组SCG的最大载波数量，即第二期望最大载波数量：指示终端对于辅小区组SCG最大载波数量的偏好，一旦配置，辅小区组SCG的载波数量不能超过该值。如果该值配置为0，则表示终端不想再保持辅小区组配置。如果该值配置为大于0的整数，则表示终端想继续保持辅小区组配置。
-RRC状态偏好，即第二期望RRC状态：该字段指示UE对于RRC状态的偏好，该字段具体可以包括idle，inactive，connected，outOfConnected等几种状态。
-辅小区组SCG状态配置，即第二期望SCG状态：该字段用以指示终端对于辅小区组状态的偏好，具体可以包括activation,deactivation,release等几种状态，此时指示的是activation。
在步骤S315中，主节点在收到终端发送的SCG的第二辅助信息后，根据终端的业务需求以及第二辅助信息所请求的消息，决定重新激活SCG。主节点向辅节点发送第二辅节点修改请求消息，请求辅节点激活辅小区组SCG。
在步骤S316中，辅节点在收到主节点的第二辅节点修改请求消息后，对该第二辅节点修改请求消息做出响应，并通过第二辅节点修改请求确认消息发送给主节点。
在步骤S317中，主节点在收到辅节点发送的第二辅节点修改请求确认消息后，得知辅节点同意激活辅小区组SCG，此时，主节点向终端发送第三RRC连接重配置消息，以告知终端同意其激活辅小区组SCG。
在步骤S318中，当终端收到主节点的第三RRC连接重配置消息后，激活辅节点，并向主节点发送第二RRC连接重配置完成消息。
在步骤S319中，主节点在收到第二RRC连接重配置完成消息后， 向辅节点SN发送第二辅节点重配置完成消息，以通知辅节点，终端完成了辅小区组的重配过程。
上述步骤S314至S319是辅小区组激活过程。
本公开实施方式提供的方法，一方面，终端可以通过辅助信息向主节点指示其对于辅小区组的最大载波数量以及辅小区组状态的偏好(包括第一期望最大载波数量、第二期望最大载波数量、第一期望辅小区组状态以及第二期望辅小区组状态等)，主节点在收到辅助信息后，可以根据指示信息，为终端配置合理的辅小区组状态，从而在保证业务质量的同时达到节电的目的。另一方面，终端可以通过辅助信息向主节点指示其当前电量信息，从而辅助主节点做出合理的辅小区组配置策略。此外，主节点可以通过RRC连接重配置消息(包括第一至第三RRC连接重配置消息)对终端的辅小区组配置请求消息做出响应，主节点在收到终端的辅助信息后，可以基于终端的业务配置和当前电量信息等信息，对终端提出的辅小区组配置偏好请求做出响应，从而为终端配置合理的辅小区组状态。
本公开实施方式提供的方法，一方面，对终端影响较小，有良好的后向兼容性和部署可行性。另一方面，本公开实施例提供的方案可以在现有协议上进行增强，对现有协议改动较小，实现难度较低。
图4示意性示出了根据本公开的另一实施例的基于双连接配置的通信方法的流程图。应理解，在本公开实施例中，以主节点作为执行方法400的执行主体为例，对方法400进行说明。作为示例而非限定，执行方法400的执行主体也可以是应用于主节点的芯片。
如图4所示，本公开实施例提供的方法可以包括如下步骤。
在步骤S410中，在终端与所述主节点和辅节点连接时，从所述终端接收所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息。
在步骤S420中，根据所述第一辅助信息生成去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终 端进行所述SCG的去激活或者释放。
在示例性实施例中，根据所述第一辅助信息生成去激活/释放指令，可以包括：当根据所述第一辅助信息同意所述终端去激活或释放所述SCG时，向所述辅节点发送第一辅节点修改请求消息，以请求所述辅节点去激活或释放所述SCG；若接收到的所述辅节点响应所述第一辅节点修改请求消息返回的第一辅节点修改请求确认消息指示所述辅节点同意去激活或释放所述SCG，则向所述终端返回所述去激活/释放指令。
在示例性实施例中，所述方法还可以包括：若接收到的所述辅节点响应所述第一辅节点修改请求消息返回的第一辅节点修改请求确认消息指示所述辅节点拒绝去激活或释放所述SCG，则向所述终端返回拒绝去激活/释放指令，所述拒绝去激活/释放指令指示所述主节点根据所述第一辅助信息拒绝所述终端进行所述SCG的去激活或者释放，以便所述终端根据所述拒绝去激活/释放指令，保持所述SCG的配置。
在步骤S430中，向所述终端发送所述去激活/释放指令，以便所述终端根据所述去激活/释放指令去激活或者释放所述SCG。
在示例性实施例中，所述方法还可以包括：接收所述终端返回的第一无线资源控制连接重配置完成消息；根据所述第一无线资源控制连接重配置完成消息，向所述辅节点发送第一辅节点重配置完成消息。
在示例性实施例中，所述方法还可以包括：接收所述终端发送的所述终端的第二辅助信息，所述终端的第二辅助信息包括以下中的至少一项：所述终端对所述SCG的第二期望最大载波数量，所述终端的第二期望无线资源控制状态，所述终端对所述SCG的第二期望辅小区组状态；根据所述第二辅助信息生成激活指令；向所述终端发送所述激活指令，以便所述终端根据所述激活指令激活所述SCG。
在示例性实施例中，根据所述第二辅助信息生成激活指令，可以包括：根据所述第二辅助信息向所述辅节点发送第二辅节点修改请求消息，以请求所述辅节点激活所述SCG；接收所述辅节点响应所述第二辅节点修改请求消息返回的第二辅节点修改请求确认消息；根据所述第二辅节点修改请求确认消息，生成所述激活指令。
在示例性实施例中，所述方法还可以包括：接收所述终端返回的第 二无线资源控制连接重配置完成消息；根据所述第二无线资源控制连接重配置完成消息，向所述辅节点发送第二辅节点重配置完成消息。
图4实施例的其它内容可参考上述其他实施例。
针对多无线电双连接的配置问题，本公开实施例提供的方法中，提出了一种高效的辅小区组配置方式。通过本公开实施例提供的方案，终端可以通过辅助信息向主节点指示其对于辅小区组状态的偏好，为了辅助主节点做出更好的判断，终端还可以通过终端辅助信息消息向主节点指示其当前电量信息。主节点在收到终端的辅助信息后，基于终端当前业务需求与当前电量信息，为终端配置适当的辅小区组状态，从而在保证终端业务需求的基础上尽可能降低终端功耗。此外，当终端对数据传输速率要求比较高时，终端可以向主节点发送第二辅助信息，主节点接收到第二辅助信息之后，可以向终端返回激活指令，终端可以根据激活指令激活SCG，由于上述当SCG被去激活后，SCG的相关配置仍被终端保留，因此，当SCG被激活后，直接可以使用SCG的相关配置，无需辅节点重新为终端进行SCG的相关配置，从而可以减少空口、主节点和辅节点之间的信令开销，并且可以降低SCG的激活延时，即降低了辅小区组的反应时延，尽可能保证了业务需求。
图5示意性示出了根据本公开的又一实施例的基于双连接配置的通信方法的流程图。应理解，在本公开实施例中，以辅节点作为执行方法500的执行主体为例，对方法500进行说明。作为示例而非限定，执行方法500的执行主体也可以是应用于辅节点的芯片。
如图5所示，本公开实施例提供的方法可以包括如下步骤。
在步骤S510中，在终端与主节点和所述辅节点连接时，从所述主节点接收第一辅节点修改请求消息，所述第一辅节点修改请求消息指示所述主节点请求所述辅节点去激活或释放所述辅节点下的辅小区组SCG，其中所述主节点用于根据从所述终端接收到的第一辅助信息生成所述第一辅节点修改请求消息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息。
在步骤S520中，若同意所述第一辅节点修改请求消息，则向所述主节点返回指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息，以便所述主节点根据指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息向所述终端返回去激活/释放指令，所述终端用于根据所述去激活/释放指令去激活或者释放所述SCG。
图5实施例的其它内容可参考上述其他实施例。
还应理解，上述只是为了帮助本领域技术人员更好地理解本公开实施例，而非要限制本公开实施例的范围。本领域技术人员根据所给出的上述示例，显然可以进行各种等价的修改或变化，例如，上述方法200、图3实施例、方法400和方法500中某些步骤可以是不必须的，或者可以新加入某些步骤等。或者上述任意两种或者任意多种实施例的组合。这样的修改、变化或者组合后的方案也落入本公开实施例的范围内。
还应理解，上文对本公开实施例的描述着重于强调各个实施例之间的不同之处，未提到的相同或相似之处可以互相参考，为了简洁，这里不再赘述。
还应理解，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，而不应对本公开实施例的实施过程构成任何限定。
还应理解，本公开实施例中，“预先设定”、“预先定义”可以通过在设备(例如，包括终端和网络设备)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，本公开对于其具体的实现方式不做限定。
还应理解，在本公开的各个实施例中，如果没有特殊说明以及逻辑冲突，不同的实施例之间的术语和/或描述具有一致性、且可以相互引用，不同的实施例中的技术特征根据其内在的逻辑关系可以组合形成新的实施例。
上文详细介绍了本公开提供的基于双连接配置的通信方法示例。可以理解的是，终端、MN和SN为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识 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，本公开能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，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公开的范围。
图6示意性示出了根据本公开的一实施例的终端的示意性框图。
如图6所示，本公开实施例提供的终端600可以包括第一通信单元610和第一处理单元620。
第一通信单元610可以用于在所述终端与主节点和辅节点连接时，向所述主节点发送所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息，以便所述主节点根据所述第一辅助信息生成去激活/释放指令。
第一通信单元610还可以用于接收所述主节点响应所述第一辅助信息返回的所述去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行所述SCG的去激活或者释放。
第一处理单元620可以用于根据所述去激活/释放指令去激活或者释放所述SCG。
可选的，第一通信单元610可以包括第一接收单元(模块)和第一发送单元(模块)，用于执行方法200、图3实施例中终端接收信息和发送信息的步骤。
可选的，终端600还可以包括存储单元，用于存储第一通信单元和第一处理单元执行的指令。
应理解，第一通信单元610可以由收发器实现，第一处理单元620可由处理器实现。存储单元可以由存储器实现。如图7所示的终端700可以包括处理器710、存储器720以及收发器730。
进一步地，本公开实施例还提供了一种主节点，可以包括第二通信单元和第二处理单元。
第二通信单元可以用于在终端与所述主节点和辅节点连接时，从所述终端接收所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息。
可选的，第二通信单元可以包括第二接收单元(模块)和第二发送单元(模块)，用于执行方法400、图3实施例中主节点接收信息和发送信息的步骤。
可选的，主节点还可以包括存储单元，用于存储第二通信单元和第二处理单元执行的指令。
应理解，第二通信单元可以由收发器实现，存储单元可以由存储器实现。主节点可以包括处理器、存储器以及收发器。
进一步地，本公开实施例还提供了一种辅节点，可以包括第三通信单元。
第三通信单元可以用于在终端与主节点和所述辅节点连接时，从所述主节点接收第一辅节点修改请求消息，所述第一辅节点修改请求消息指示所述主节点请求所述辅节点去激活或释放所述辅节点下的辅小区组SCG，其中所述主节点用于根据从所述终端接收到的第一辅助信息生成所述第一辅节点修改请求消息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息。
所述第三通信单元还可以用于若同意所述第一辅节点修改请求消息，则向所述主节点返回指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息，以便所述主节点根据指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息向所述终端返回去激活/释放指令，所述终端用于根据所述去激活/释放指令去激活或者释放所述SCG。
可选的，第三通信单元可以包括第三接收单元(模块)和第三发送单元(模块)，用于执行方法500、图3实施例中辅节点接收信息和发 送信息的步骤。
可选的，辅节点还可以包括存储单元，用于存储第三通信单元执行的指令。
应理解，第三通信单元可以由收发器实现，存储单元可以由存储器实现。辅节点可以包括处理器、存储器以及收发器。
本领域技术人员可以清楚地了解到，当终端、主节点和辅节点所执行的步骤以及相应的有益效果可以参考上述方法200、图3实施例、方法400和方法500中终端、主节点和辅节点的相关描述，为了简洁，在此不再赘述。
应理解，上述各个单元的划分仅仅是功能上的划分，实际实现时可能会有其它的划分方法。
本公开实施例还提供了一种处理装置，包括处理器和接口；该处理器，用于执行上述任一方法实施例中的基于双连接配置的通信方法。
应理解，上述处理装置可以是一个芯片。例如，该处理装置可以是现场可编程门阵列(Field-Programmable Gate Array，FPGA)，可以是专用集成芯片(Application Specific Integrated Circuit，ASIC)，还可以是系统芯片(System on Chip，SoC)，还可以是中央处理器(Central Processor Unit，CPU)，还可以是网络处理器(Network Processor，NP)，还可以是数字信号处理电路(Digital Signal Processor，DSP)，还可以是微控制器(Micro Controller Unit，MCU)，还可以是可编程控制器(Programmable Logic Device，PLD)或其他集成芯片。
在实现过程中，上述方法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。结合本公开实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用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。为避免重复，这里不再详细描述。
应注意，本公开实施例中的处理器可以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 crcuit，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公开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。结合本公开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。
本公开实施例还提供一种通信系统，其包括前述的发送端设备和接收端设备。例如，发送端设备为终端，接收端设备为主节点；或者，发送端设备为主节点，接收端设备为辅节点。
本公开实施例还提供了一种计算机可读介质，其上存储有计算机程序，该计算机程序被计算机执行时实现上述任一方法实施例中的基于双连接配置的通信方法。
本公开实施例还提供了一种计算机程序产品，该计算机程序产品被计算机执行时实现上述任一方法实施例中的基于双连接配置的通信方法。
本公开实施例还提供了一种系统芯片，该系统芯片包括：处理单元和通信单元，该处理单元，例如可以是处理器，该通信单元例如可以是输入/输出接口、管脚或电路等。该处理单元可执行计算机指令，以使该终端、主节点和辅节点内的芯片执行上述本公开实施例提供的任一种基于双连接配置的通信方法。
可选地，该计算机指令被存储在存储单元中。
可选地，该存储单元为该芯片内的存储单元，如寄存器、缓存等，该存储单元还可以是该终端内的位于该芯片外部的存储单元，如只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型 的静态存储设备，随机存取存储器(random access memory，RAM)等。其中，上述任一处提到的处理器，可以是一个CPU，微处理器，ASIC，或一个或多个用于控制上述的基于双连接配置的通信方法的程序执行的集成电路。该处理单元和该存储单元可以解耦，分别设置在不同的物理设备上，通过有线或者无线的方式连接来实现该处理单元和该存储单元的各自的功能，以支持该系统芯片实现上述实施例中的各种功能。或者，该处理单元和该存储器也可以耦合在同一个设备上。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行该计算机指令时，全部或部分地产生按照本公开实施例的流程或功能。该计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。该计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，该计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。该计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。该可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，高密度数字视频光盘(digital video disc，DVD))、或者半导体介质(例如，固态硬盘(solid state disk，SSD))等。
在本公开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，该单元的划分，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，在本公开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。
在本公开中可能出现的对各种消息/信息/设备/网元/系统/装置/动作/操作/流程/概念等各类客体进行了赋名，可以理解的是，这些具体的名称并不构成对相关客体的限定，所赋名称可随着场景，语境或者使用习惯等因素而变更，对本公开中技术术语的技术含义的理解，应主要从其在技术方案中所体现/执行的功能和技术效果来确定。
在本公开的各个实施例中，如果没有特殊说明以及逻辑冲突，不同的实施例之间的术语和/或描述具有一致性、且可以相互引用，不同的实施例中的技术特征根据其内在的逻辑关系可以组合形成新的实施例。
以上所述，仅为本公开的具体实施方式，但本公开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公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以所述权利要求的保护范围为准。

Claims (32)

  1. 一种基于双连接配置的通信方法，其中，所述方法应用于终端，所述方法包括：
    在所述终端与主节点和辅节点连接时，向所述主节点发送所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对SCG的第一期望辅小区组状态，所述终端的当前电量信息，以便所述主节点根据所述第一辅助信息生成去激活/释放指令；
    接收所述主节点响应所述第一辅助信息返回的所述去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行SCG的去激活或者释放；
    根据所述去激活/释放指令去激活或者释放所述SCG。
  2. 根据权利要求1所述的方法，其中，向所述主节点发送所述终端的第一辅助信息，包括：
    向所述主节点发送第一终端辅助信息消息，所述第一终端辅助信息消息携带所述第一辅助信息。
  3. 根据权利要求1所述的方法，其中，当所述第一辅助信息包括所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量时，所述第一期望最大载波数量为大于或等于0且小于或等于31的整数。
  4. 根据权利要求3所述的方法，其中，所述第一期望最大载波数量为0。
  5. 根据权利要求3所述的方法，其中，所述第一期望最大载波数量包括第一期望下行最大载波数量和第一期望上行最大载波数量，所述第一期望下行最大载波数量为大于或等于0且小于或等于31的整数，所述第一期望上行最大载波数量为大于或等于0且小于或等于31的整数。
  6. 根据权利要求1所述的方法，其中，当所述第一辅助信息包括所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量时，所述第一辅助信息包括过热辅助信息，所述过热辅助信息包括所述第一期望最大载波数量，所述第一期望最大载波数量为大于或等于0且小于或 等于31的整数。
  7. 根据权利要求1所述的方法，其中，当所述第一辅助信息包括所述终端的第一期望无线资源控制状态时，所述第一期望无线资源控制状态为空闲状态、非激活状态、连接状态或者断开连接状态。
  8. 根据权利要求1所述的方法，其中，当所述第一辅助信息包括所述终端对SCG的第一期望辅小区组状态，所述第一期望辅小区组状态为去激活状态或者释放状态。
  9. 根据权利要求1所述的方法，其中，当所述第一辅助信息包括当前电量信息时，所述当前电量信息中的当前电量小于预设电量阈值。
  10. 根据权利要求1所述的方法，其中，接收所述主节点响应所述第一辅助信息返回的所述去激活/释放指令，包括：
    接收所述主节点响应所述第一辅助信息返回的第一无线资源控制连接重配置消息，所述第一无线资源控制连接重配置消息携带所述去激活/释放指令。
  11. 根据权利要求10所述的方法，其中，还包括：
    响应所述第一无线资源控制连接重配置消息，向所述主节点返回第一无线资源控制连接重配置完成消息。
  12. 根据权利要求1所述的方法，其中，还包括：
    接收所述主节点响应所述第一辅助信息返回的拒绝去激活/释放指令，所述拒绝去激活/释放指令指示所述主节点根据所述第一辅助信息拒绝所述终端进行所述SCG的去激活或者释放；
    根据所述拒绝去激活/释放指令，保持所述SCG的配置。
  13. 根据权利要求12所述的方法，其中，接收所述主节点响应所述第一辅助信息返回的拒绝去激活/释放指令，包括：
    接收所述主节点响应所述第一辅助信息返回的第二无线资源控制连接重配置消息，所述第二无线资源控制连接重配置消息携带所述拒绝去激活/释放指令。
  14. 根据权利要求1所述的方法，其中，还包括：
    向所述主节点发送所述终端的第二辅助信息，所述终端的第二辅助信息包括以下中的至少一项：所述终端对所述SCG的第二期望最大载波 数量，所述终端的第二期望无线资源控制状态，所述终端对所述SCG的第二期望辅小区组状态，以便所述主节点根据所述第二辅助信息生成激活指令；
    接收所述主节点响应所述第二辅助信息返回的所述激活指令；
    根据所述激活指令激活所述SCG。
  15. 根据权利要求14所述的方法，其中，向所述主节点发送所述终端的第二辅助信息，包括：
    向所述主节点发送第二终端辅助信息消息，所述第二终端辅助信息消息携带所述第二辅助信息。
  16. 根据权利要求14所述的方法，其中，当所述第二辅助信息包括所述终端对所述SCG的第二期望最大载波数量时，所述第二期望最大载波数量不为0。
  17. 根据权利要求14所述的方法，其中，当所述第二辅助信息包括所述第二期望无线资源控制状态时，所述第二期望无线资源控制状态为连接状态。
  18. 根据权利要求14所述的方法，其中，当所述第二辅助信息包括所述终端的第二期望辅小区组状态，所述第二期望辅小区组状态为激活状态。
  19. 根据权利要求14所述的方法，其中，接收所述主节点响应所述第二辅助信息返回的所述激活指令，包括：
    接收所述主节点响应所述第二辅助信息返回的第三无线资源控制连接重配置消息，所述第三无线资源控制连接重配置消息携带所述激活指令。
  20. 根据权利要求19所述的方法，其中，还包括：
    响应所述第三无线资源控制连接重配置消息，向所述主节点返回第二无线资源控制连接重配置完成消息。
  21. 一种基于双连接配置的通信方法，其中，所述方法应用于主节点，所述方法包括：
    在终端与所述主节点和辅节点连接时，从所述终端接收所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述 终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对SCG的第一期望辅小区组状态，所述终端的当前电量信息；
    根据所述第一辅助信息生成去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行SCG的去激活或者释放；
    向所述终端发送所述去激活/释放指令，以便所述终端根据所述去激活/释放指令去激活或者释放所述SCG。
  22. 根据权利要求21所述的方法，其中，根据所述第一辅助信息生成去激活/释放指令，包括：
    当根据所述第一辅助信息同意所述终端去激活或释放所述SCG时，向所述辅节点发送第一辅节点修改请求消息，以请求所述辅节点去激活或释放所述SCG；
    若接收到的所述辅节点响应所述第一辅节点修改请求消息返回的第一辅节点修改请求确认消息指示所述辅节点同意去激活或释放所述SCG，则向所述终端返回所述去激活/释放指令。
  23. 根据权利要求22所述的方法，其中，还包括：
    若接收到的所述辅节点响应所述第一辅节点修改请求消息返回的第一辅节点修改请求确认消息指示所述辅节点拒绝去激活或释放所述SCG，则向所述终端返回拒绝去激活/释放指令，所述拒绝去激活/释放指令指示所述主节点根据所述第一辅助信息拒绝所述终端进行所述SCG的去激活或者释放，以便所述终端根据所述拒绝去激活/释放指令，保持所述SCG的配置。
  24. 根据权利要求21所述的方法，其中，还包括：
    接收所述终端返回的第一无线资源控制连接重配置完成消息；
    根据所述第一无线资源控制连接重配置完成消息，向所述辅节点发送第一辅节点重配置完成消息。
  25. 根据权利要求21所述的方法，其中，还包括：
    接收所述终端发送的所述终端的第二辅助信息，所述终端的第二辅助信息包括以下中的至少一项：所述终端对所述SCG的第二期望最大载 波数量，所述终端的第二期望无线资源控制状态，所述终端对所述SCG的第二期望辅小区组状态；
    根据所述第二辅助信息生成激活指令；
    向所述终端发送所述激活指令，以便所述终端根据所述激活指令激活所述SCG。
  26. 根据权利要求25所述的方法，其中，根据所述第二辅助信息生成激活指令，包括：
    根据所述第二辅助信息向所述辅节点发送第二辅节点修改请求消息，以请求所述辅节点激活所述SCG；
    接收所述辅节点响应所述第二辅节点修改请求消息返回的第二辅节点修改请求确认消息；
    根据所述第二辅节点修改请求确认消息，生成所述激活指令。
  27. 根据权利要求25所述的方法，其中，还包括：
    接收所述终端返回的第二无线资源控制连接重配置完成消息；
    根据所述第二无线资源控制连接重配置完成消息，向所述辅节点发送第二辅节点重配置完成消息。
  28. 一种基于双连接配置的通信方法，其中，所述方法应用于辅节点，所述方法包括：
    在终端与主节点和所述辅节点连接时，从所述主节点接收第一辅节点修改请求消息，所述第一辅节点修改请求消息指示所述主节点请求所述辅节点去激活或释放所述辅节点下的辅小区组SCG，其中所述主节点用于根据从所述终端接收到的第一辅助信息生成所述第一辅节点修改请求消息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对SCG的第一期望辅小区组状态，所述终端的当前电量信息；
    若同意所述第一辅节点修改请求消息，则向所述主节点返回指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息，以便所述主节点根据指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息向所述终端返回去激活/释放指令，所述终端 用于根据所述去激活/释放指令去激活或者释放所述SCG。
  29. 一种终端，其中，包括：
    第一通信单元，用于在所述终端与主节点和辅节点连接时，向所述主节点发送所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对SCG的第一期望辅小区组状态，所述终端的当前电量信息，以便所述主节点根据所述第一辅助信息生成去激活/释放指令；
    所述第一通信单元还用于接收所述主节点响应所述第一辅助信息返回的所述去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行SCG的去激活或者释放；
    第一处理单元，用于根据所述去激活/释放指令去激活或者释放所述SCG。
  30. 一种主节点，其中，包括：
    第二通信单元，用于在终端与所述主节点和辅节点连接时，从所述终端接收所述终端的第一辅助信息，所述终端的第一辅助信息包括以下中的至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对SCG的第一期望辅小区组状态，所述终端的当前电量信息；
    第二处理单元，用于根据所述第一辅助信息生成去激活/释放指令，所述去激活/释放指令指示所述主节点根据所述第一辅助信息同意所述终端进行SCG的去激活或者释放；
    所述第二通信单元还用于向所述终端发送所述去激活/释放指令，以便所述终端根据所述去激活/释放指令去激活或者释放所述SCG。
  31. 一种辅节点，其中，包括：
    第三通信单元，用于在终端与主节点和所述辅节点连接时，从所述主节点接收第一辅节点修改请求消息，所述第一辅节点修改请求消息指示所述主节点请求所述辅节点去激活或释放所述辅节点下的辅小区组SCG，其中所述主节点用于根据从所述终端接收到的第一辅助信息生成所述第一辅节点修改请求消息，所述终端的第一辅助信息包括以下中的 至少一项：所述终端对所述辅节点下的辅小区组SCG的第一期望最大载波数量，所述终端的第一期望无线资源控制状态，所述终端对所述SCG的第一期望辅小区组状态，所述终端的当前电量信息；
    所述第三通信单元还用于若同意所述第一辅节点修改请求消息，则向所述主节点返回指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息，以便所述主节点根据指示所述辅节点同意去激活或释放所述SCG的第一辅节点修改请求确认消息向所述终端返回去激活/释放指令，所述终端用于根据所述去激活/释放指令去激活或者释放所述SCG。
  32. 一种计算机可读存储介质，所述计算机可读存储介质存储有计算机程序，其中，所述计算机程序被处理器执行时实现如权利要求1至20中任一项所述的方法或者如权利要求21至27任一项所述的方法或者如权利要求28所述的方法。
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