WO2023011266A1 - 接入小区的方法、通信装置及网络设备 - Google Patents

接入小区的方法、通信装置及网络设备 Download PDF

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Publication number
WO2023011266A1
WO2023011266A1 PCT/CN2022/108035 CN2022108035W WO2023011266A1 WO 2023011266 A1 WO2023011266 A1 WO 2023011266A1 CN 2022108035 W CN2022108035 W CN 2022108035W WO 2023011266 A1 WO2023011266 A1 WO 2023011266A1
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Prior art keywords
terminal
communication configuration
network device
base station
cell
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PCT/CN2022/108035
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English (en)
French (fr)
Inventor
郑午阳
胡星星
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华为技术有限公司
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Publication of WO2023011266A1 publication Critical patent/WO2023011266A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the present application relates to the technical field of communication, and in particular to a method for accessing a cell, a communication device, and a network device.
  • the terminal can access a new cell, such as switching from the source cell to the target cell, or adding the target cell as a primary secondary cell. , PSCell for short) to obtain better data transmission quality.
  • the first communication configuration used by the terminal side will be updated to the second communication configuration corresponding to the target cell, but the base station that the terminal accessed before accessing the target cell (in different scenarios In this case, the base station can be the main base station or the source base station) still uses the first communication configuration to communicate with the terminal, which will cause the transmission between the main base station or the source base station and the terminal during the process of the terminal accessing the target cell Information such as signaling and data transmission errors.
  • the technical problem to be solved by the embodiments of the present application is to provide a method for accessing a cell, a communication device, and a network device, so as to solve the problem of information transmission error when a terminal accesses a cell.
  • the embodiments of the present application provide a method for accessing a cell, the method is used for a terminal to access a target cell, and the method includes:
  • the terminal when the first network device uses the first communication configuration, the terminal also uses the first communication configuration, and sends an indication message to notify the first network device of the cell to be accessed, so that the first network device can determine the target cell
  • the matching second communication configuration in the subsequent process of cell access, both the terminal and the first network device can use the second communication configuration to communicate, thereby avoiding information transmission caused by the communication configuration mismatch between the terminal and the first network device
  • the error problem improves the reliability of information transmission between the terminal and the first network device, improves the efficiency of cell access and the work efficiency of the entire system.
  • the terminal determines to access the target cell, it does not immediately use the second communication configuration corresponding to the target cell to send the access notification message, but when the first network device uses the first communication configuration, the terminal also uses this The first communication configuration is used to send the access notification message.
  • the second communication configuration is used to communicate with the first network device.
  • the first network device receives After receiving the notification message, the second communication configuration has also started to be used. In this way, the problem of information transmission error caused by the mismatch of the communication configuration between the terminal and the first network device when sending the access notification message is avoided, the reliability of information transmission between the terminal and the first network device is improved, and the cell access is improved. efficiency and the work efficiency of the whole system.
  • the second communication configuration is obtained by updating the first communication configuration.
  • the first communication configuration and the second communication configuration include at least one of the following:
  • the first network device is a master base station
  • the target cell is a target master-secondary cell to be handed over by the terminal or a newly added target master-secondary cell to be accessed
  • the second A communication configuration and the second communication configuration are configured for the main cell group MCG
  • the access notification message is a radio resource control RRC reconfiguration complete message
  • the indication information corresponding to the second communication configuration is used to indicate the target primary and secondary cells to be switched by the terminal;
  • the indication information includes at least one of the following items: an identifier of the target primary-secondary cell, an identifier of MCG configuration information corresponding to the target primary-secondary cell, or a preamble corresponding to the target primary-secondary cell.
  • the terminal notifies the main base station of the target cell to be handed over to through the indication information, so that the main base station can update the currently used first communication configuration to the second communication configuration, and can successfully receive the information sent by the terminal based on the second communication configuration.
  • the RRC reconfiguration message ensures that the terminal matches the configuration used by the primary base station.
  • the indication information corresponding to the second communication configuration is used to notify the first network device The uplink transmission power of the terminal is reduced;
  • the second communication configuration is used to adjust the uplink transmission power of the terminal.
  • the second communication configuration further includes layer correlation for adjusting the modulation and coding scheme (Modulation and Coding SchemeM, MCS for short) and the multi-input multi-output (Multi-input Multi-output, MIMO for short) of the terminal parameters.
  • Modulation and Coding SchemeM Modulation and Coding SchemeM, MCS for short
  • Multi-input Multi-output Multi-input Multi-output, MIMO for short
  • the terminal can notify the first network device of the decrease of its up and down transmit power through the indication information, so that the first network device can adjust the up and down transmit power of the terminal to ensure normal data transmission.
  • the first network device is a primary base station
  • the terminal is connected to the primary base station and at least one secondary base station
  • the first secondary base station in the at least one secondary base station triggers the handover of the terminal
  • the target cell is a cell managed by the target secondary base station
  • the first communication configuration and the second communication configuration are configured by the primary cell group MCG
  • the indication information corresponding to the second communication configuration is used to indicate the target cell to be switched by the terminal;
  • the indication information is: the identity of the target cell or the identity of the MCG configuration corresponding to the target cell.
  • the MCG configuration identifier may include but not limited to: an identifier of the target cell, an identifier of MCG configuration information corresponding to the target cell, or a preamble corresponding to the target cell.
  • the terminal indicates the target cell to be handed over, so that the master base station can update the currently used first communication configuration to the second communication configuration, and can successfully receive the RRC reconfiguration message sent by the terminal based on the second communication configuration, It is ensured that the terminal matches the configuration used by the main base station.
  • the terminal sends a secret key indication to the first network device Information, the key indication information is used to instruct the first network device to use the key in the first communication configuration or use the key in the second communication configuration to decrypt data.
  • the terminal and the first network device can still transmit data normally during the period of time when the configurations do not match.
  • the key indication information is included in a data packet sent by the terminal to the first network device;
  • the secret key indication information is sent to the first network device through a medium access control protocol control element MAC CE or a packet data convergence protocol PDCP control information.
  • the MAC CE or PDCP control information indicates the secret key used by the terminal and the number of the data packet encrypted using the secret key
  • the MAC CE or PDCP control information indicates the secret key used by the terminal and the preset time period for using the secret key to encrypt data packets.
  • embodiments of the present application provide a method for accessing a cell, the method is used for a terminal to access a target cell, and the method includes:
  • the first network device receives the instruction information sent by the terminal based on the first communication configuration, the instruction information corresponds to the second communication configuration, sends first confirmation information to the terminal, and receives the instruction information sent by the terminal based on the second communication configuration.
  • the first network device receives the access notification message sent by the terminal based on the first communication configuration, and sends second confirmation information to the terminal, where the second confirmation information is used to trigger the terminal to
  • the second communication configuration communicates with the first network device.
  • the second communication configuration is obtained by updating the first communication configuration.
  • the first communication configuration and the second communication configuration include at least one of the following:
  • the first network device is a master base station
  • the target cell is a target master-secondary cell to be handed over by the terminal or a newly added target master-secondary cell to be accessed
  • the second A communication configuration and the second communication configuration are MCG configurations
  • the access notification message is an RRC reconfiguration complete message
  • the indication information corresponding to the second communication configuration is used to indicate the target primary and secondary cells to be switched by the terminal;
  • the indication information includes at least one of the following items: an identifier of the target primary-secondary cell, an identifier of MCG configuration information corresponding to the target primary-secondary cell, or a preamble corresponding to the target primary-secondary cell.
  • the indication information corresponding to the second communication configuration is used to notify the first network device of the uplink transmission of the terminal power drop;
  • the second communication configuration is used to adjust the uplink transmission power of the terminal.
  • the first network device is a primary base station
  • the terminal is connected to the primary base station and at least one secondary base station
  • the first secondary base station in the at least one secondary base station triggers the handover of the terminal
  • the target cell is a cell managed by the target secondary base station
  • the first communication configuration and the second communication configuration are configured by the primary cell group MCG
  • the indication information corresponding to the second communication configuration is used to indicate the target cell to be switched by the terminal;
  • the indication information is: the identity of the target cell or the identity of the MCG configuration corresponding to the target cell.
  • the first network device sends a key indication to the terminal information, the key indication information is used to instruct the terminal to use the key in the first communication configuration or use the key in the second communication configuration to decrypt data.
  • the key indication information is included in a data packet sent by the first network device to the terminal;
  • the key indication information is sent to the terminal through MAC CE or PDCP control information.
  • the MAC CE or PDCP control information indicates the secret key used by the first network device and the number of the data packet encrypted with the secret key
  • the MAC CE or PDCP control information indicates the secret key used by the first network device and the preset time period for encrypting data packets using the secret key.
  • a communication device which may include:
  • the sending unit is configured to send indication information corresponding to the second communication configuration to the first network device based on the first communication configuration, the receiving unit is configured to receive the first confirmation information sent by the first network device, and the sending unit also uses sending an access notification message to the first network device based on the second communication configuration;
  • the sending unit is configured to send an access notification message to the first network device based on the first communication configuration
  • the receiving unit is further configured to receive second confirmation information sent by the first network device
  • the sending unit and the receiving unit are further configured to communicate with the first network device based on a second communication configuration.
  • the second communication configuration is obtained by updating the first communication configuration.
  • the first communication configuration and the second communication configuration include at least one of the following:
  • the first network device is a master base station
  • the target cell is a target master-secondary cell to be handed over by the communication device or a newly added target master-secondary cell to be accessed
  • the first communication configuration and the second communication configuration are configured for the main cell group MCG
  • the access notification message is a radio resource control RRC reconfiguration complete message
  • the indication information corresponding to the second communication configuration is used to indicate the target primary and secondary cells to be switched by the communication device;
  • the indication information includes at least one of the following items: an identifier of the target primary-secondary cell, an identifier of MCG configuration information corresponding to the target primary-secondary cell, or a preamble corresponding to the target primary-secondary cell.
  • the indication information corresponding to the second communication configuration is used to notify the first network
  • the uplink transmission power of the communication device described in the equipment decreases
  • the second communication configuration is used to adjust the uplink transmission power of the communication device.
  • the first network device is a primary base station
  • the communication device is connected to the primary base station and at least one secondary base station
  • a first secondary base station in the at least one secondary base station triggers the communication
  • the device switches to the target cell, where the target cell is a cell managed by the target secondary base station;
  • the first communication configuration and the second communication configuration are configured by a primary cell group MCG;
  • the indication information corresponding to the second communication configuration is used to indicate the target cell to be switched by the communication device;
  • the indication information is: the identity of the target cell or the identity of the MCG configuration corresponding to the target cell.
  • the communication device sends to the first network device Key indication information, where the key indication information is used to instruct the first network device to use the key in the first communication configuration or use the key in the second communication configuration to decrypt data.
  • the key indication information is included in a data packet sent by the communication device to the first network device;
  • the secret key indication information is sent to the first network device through a medium access control protocol control element MAC CE or a packet data convergence protocol PDCP control information.
  • the MAC CE or PDCP control information indicates a secret key used by the communication device and a data packet number encrypted with the secret key
  • the MAC CE or PDCP control information indicates the secret key used by the communication device and the preset time period for encrypting data packets with the secret key.
  • the communication device is a terminal.
  • a network device which may include:
  • the receiving unit is configured to receive indication information sent by the terminal based on the first communication configuration, the indication information corresponds to the second communication configuration, the sending unit is configured to send the first confirmation information to the terminal, and the receiving unit is also configured to receiving an access notification message sent by the terminal based on the second communication configuration;
  • the receiving unit is configured to receive an access notification message sent by the terminal based on the first communication configuration
  • the sending unit is configured to send second confirmation information to the terminal, and the second confirmation information is used for triggering the terminal to communicate with the network device based on the second communication configuration.
  • the second communication configuration is obtained by updating the first communication configuration.
  • the first communication configuration and the second communication configuration include at least one of the following:
  • the network device is a master base station, and the target cell is a target master-secondary cell to be handed over by the terminal or a newly added target master-secondary cell to be accessed;
  • the first communication The configuration and the second communication configuration are MCG configurations;
  • the access notification message is an RRC reconfiguration complete message;
  • the indication information corresponding to the second communication configuration is used to indicate the target primary and secondary cells to be switched by the terminal;
  • the indication information includes at least one of the following items: an identifier of the target primary-secondary cell, an identifier of MCG configuration information corresponding to the target primary-secondary cell, or a preamble corresponding to the target primary-secondary cell.
  • the indication information corresponding to the second communication configuration is used to notify the network device that the uplink transmission power of the terminal is reduced ;
  • the second communication configuration is used to adjust the uplink transmission power of the terminal.
  • the network device is a primary base station
  • the terminal is connected to the primary base station and at least one secondary base station
  • the first secondary base station in the at least one secondary base station triggers the terminal to switch to the secondary base station.
  • the target cell, the target cell is a cell managed by the target secondary base station; the first communication configuration and the second communication configuration are configured by the primary cell group MCG;
  • the indication information corresponding to the second communication configuration is used to indicate the target cell to be switched by the terminal;
  • the indication information is: the identity of the target cell or the identity of the MCG configuration corresponding to the target cell.
  • the sending unit is further configured to send the secret key to the terminal Indication information, the key indication information is used to instruct the terminal to use the key in the first communication configuration or use the key in the second communication configuration to decrypt data.
  • the key indication information is included in a data packet sent by the network device to the terminal;
  • the key indication information is sent to the terminal through MAC CE or PDCP control information.
  • the MAC CE or PDCP control information indicates the secret key used by the network device and the packet number encrypted using the secret key
  • the MAC CE or PDCP control information indicates the secret key used by the network device and the preset time period for using the secret key to encrypt data packets.
  • a device in a fifth aspect, has the function of realizing the behavior of the terminal or network device in the above method aspect, and includes corresponding means for performing the steps or functions described in the above method aspect.
  • the steps or functions may be realized by software, or by hardware (such as a circuit), or by a combination of hardware and software.
  • the above device includes one or more processors and a communication unit.
  • the one or more processors are configured to support the apparatus to execute corresponding functions of the terminal in the above method. For example, determine whether to access the cell, instruct the sending unit to send indication information corresponding to the second communication configuration to the network device based on the first communication configuration, and the like.
  • the communication unit includes a sending unit and a receiving unit, which are used to support the device to communicate with other devices to realize sending and/or receiving functions. For example, sending indication information to the first network device, receiving first confirmation information sent by the first network device, sending an access notification message to the first network device, and so on.
  • the device may further include one or more memories, which are used to be coupled with the processor, and store necessary program instructions and/or data of the device.
  • the one or more memories can be integrated with the processor, or can be set separately from the processor. This application is not limiting.
  • the device may be a smart terminal or a wearable device
  • the communication unit may be a transceiver or a transceiver circuit.
  • the transceiver may also be an input/output circuit or an interface.
  • the device may also be a communication chip.
  • the communication unit may be an input/output circuit or an interface of a communication chip.
  • the above device includes a transceiver, a processor, and a memory.
  • the processor is used to control the transceiver or the input/output circuit to send and receive signals
  • the memory is used to store a computer program
  • the processor is used to run the computer program in the memory, so that the device performs any possibility in the first aspect or the first aspect The method done by the terminal in the implementation.
  • the above device includes one or more processors and a communication unit.
  • the one or more processors are configured to support the apparatus to execute the corresponding functions of the first network device in the above method. For example, after receiving the indication information sent by the terminal, instruct the sending unit to send the first confirmation information and the like to the terminal.
  • the communication unit is used to support the device to communicate with other devices to realize receiving and/or sending functions. For example, the indication information sent by the terminal is received, the first confirmation information is sent to the terminal, and the access notification message sent by the terminal is received.
  • the device may further include one or more memories, which are used to be coupled with the processor, and store necessary program instructions and/or data of the device.
  • the one or more memories can be integrated with the processor, or can be set separately from the processor. This application is not limiting.
  • the device may be a base station, master base station, gNB or TRP, etc.
  • the communication unit may be a transceiver or a transceiver circuit.
  • the transceiver may also be an input/output circuit or an interface.
  • the device may also be a communication chip.
  • the communication unit may be an input/output circuit or an interface of a communication chip.
  • the above device includes a transceiver, a processor, and a memory.
  • the processor is used to control the transceiver or the input/output circuit to send and receive signals
  • the memory is used to store a computer program
  • the processor is used to run the computer program in the memory, so that the device executes any one of the second aspect or the second aspect The method completed by the first network device in a possible implementation manner.
  • a system includes the above-mentioned terminal and the first network device.
  • a computer-readable storage medium for storing a computer program, where the computer program includes instructions for executing the method in the first aspect or any possible implementation manner of the first aspect.
  • a computer-readable storage medium for storing a computer program, where the computer program includes instructions for executing the method in the second aspect or any possible implementation manner of the second aspect.
  • a computer program product comprising: computer program code, when the computer program code is run on a computer, the computer is made to execute any one of the first aspect or the first aspect Methods in Possible Implementations.
  • a computer program product comprising: computer program code, when the computer program code runs on a computer, the computer executes any one of the above-mentioned second aspect and the second aspect Methods in Possible Implementations.
  • a chip including one or more processing circuits, wherein the one or more processing circuits are used to implement the method in the above first aspect or any possible implementation manner of the first aspect .
  • a chip including one or more processing circuits, wherein the one or more processing circuits are used to implement the method in any possible implementation manner of the above-mentioned second aspect and the second aspect .
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for accessing a cell provided in an embodiment of the present application
  • FIG. 3 is a schematic flowchart of another method for allocating resources provided by the embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a method for accessing a cell in a CPAC scenario provided by an embodiment of the present application
  • FIG. 5 is a schematic flowchart of a method for accessing a cell in a CPAC scenario provided by an embodiment of the present application
  • FIG. 6 is a schematic flowchart of a method for accessing a cell in a DAPS combined with CHO scenario provided by an embodiment of the present application;
  • FIG. 7 is a schematic flowchart of a method for accessing a cell triggered by a secondary base station in a multi-connection scenario provided by an embodiment of the present application;
  • FIG. 8 is a schematic flowchart of a method for accessing a cell in a CPAC scenario provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a communication device provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of the composition of another communication device provided by the embodiment of the present application.
  • FIG. 11 is a schematic diagram of the composition of a network device provided by an embodiment of the present application.
  • FIG. 12 is a schematic diagram of the composition of another network device provided by the embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • the terminal 10, the first network device 20 and the optional second network device 30 may be included.
  • the terminal 10 is a device with a wireless transceiver function, and the terminal device can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; it can also be deployed on water (such as a ship, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites, etc.).
  • the terminal may be a mobile phone, a tablet computer (pad), a computer device with a wireless transceiver function, a virtual reality (virtual reality, referred to as VR) terminal device, an augmented reality (augmented reality, referred to as AR) terminal device, an industrial Wireless terminal devices in industrial control, wireless terminal devices in self driving, wireless terminal devices in remote medical, wireless terminal devices in smart grid, transportation safety Wireless terminal equipment in (transportation safety), wireless terminal equipment in smart city (smart city), wireless terminal equipment in smart home (smart home), and may also include user equipment (user equipment, referred to as UE).
  • VR virtual reality
  • AR augmented reality
  • an industrial Wireless terminal devices in industrial control wireless terminal devices in self driving, wireless terminal devices in remote medical, wireless terminal devices in smart grid, transportation safety Wireless terminal equipment in (transportation safety), wireless terminal equipment in smart city (smart city), wireless terminal equipment in smart home (smart home), and may also include user equipment (user equipment, referred to as UE).
  • UE user equipment
  • Both the first network device 20 and the second network device 30 are network devices, and the network devices are devices in a wireless network, such as radio access network (RAN) nodes that connect terminal devices to the wireless network.
  • RAN nodes are: gNB, transmission reception point (TRP for short), evolved Node B (evolved Node B, eNB for short), radio network controller (radio network controller, RNC for short), node B (Node B, referred to as NB), base station controller (base station controller, referred to as BSC), base transceiver station (base transceiver station, referred to as BTS), home base station (for example, home evolved NodeB, or home Node B, referred to as HNB) , base band unit (BBU for short), or wireless fidelity (Wifi for short) access point (AP for short), integrated access and backhaul (IAB for short), etc.
  • TRP transmission reception point
  • eNB evolved Node B
  • RNC radio network controller
  • node B Node B,
  • the network device may include a centralized unit (centralized unit, CU for short) node, or a distributed unit (DU for short) node, or a RAN device including a CU node and a DU node.
  • the centralized unit CU node can be divided into a control plane (CU-CP) and a user plane (CU-UP).
  • the CU-CP is responsible for the control plane functions, mainly including Radio Resource Control (RRC) and Packet Data Convergence Protocol control panel (PDCP-C for short).
  • RRC Radio Resource Control
  • PDCP-C Packet Data Convergence Protocol control panel
  • PDCP-C is mainly responsible for encryption and decryption of control plane data, integrity protection, data transmission, etc.
  • CU-UP is responsible for user plane functions, mainly including Service Data Adaptation Protocol (SDAP for short) and Packet Data Convergence Protocol control panel user panel (PDCP-C for short).
  • SDAP Service Data Adaptation Protocol
  • PDCP-C Packet Data Convergence Protocol control panel user panel
  • SDAP is mainly responsible for processing core network data and mapping flows to bearers.
  • PDCP-U is mainly responsible for encryption and decryption of the data plane, integrity protection, header compression, serial number maintenance, data transmission, etc.
  • CU-CP and CU-UP are connected through E1 interface.
  • the CU-CP represents the connection between the CU and the core network through the Ng interface. Connect with DU through F1-C (control plane).
  • CU-UP is connected to DU through F1-U (user plane).
  • F1-C user plane
  • another possible implementation is that PDCP-C is also in CU-UP.
  • the terminal 10 may access other cells due to reasons such as a change in location or a change in channel quality of the originally accessed cell.
  • This application involves different procedures for a terminal to access a cell in different communication scenarios, which will be introduced below.
  • a terminal may communicate with multiple base stations, including a master node (MN for short) and an active secondary base station.
  • Base station secondary node, referred to as SN
  • the control plane connection is established between the primary base station and the core network
  • the data plane connection can be established between the primary base station and the core network, and/or, between the secondary base station and the core network between.
  • the communication systems of the primary base station and the secondary base station may be the same or different, for example, the primary base station is an eNB and the secondary base station is a gNB, or both the primary base station and the secondary base station are gNBs.
  • MR-DC may be referred to as DC for short.
  • DC can also be understood as a type of multiple connection (MC for short).
  • the terminal can access the primary base station and at least one secondary base station. That is to say, in addition to the above DC scenario, the terminal It can access the main base station and two or more secondary base stations.
  • the primary base station manages a primary cell
  • the secondary base station manages a primary and secondary cell.
  • a terminal needs to switch primary and secondary cells or access a new primary and secondary cell, it can trigger the process of conditional primary secondary cell (PSCell for short) addition and change (CPAC for short), so as to realize terminal access The purpose of entering a new primary and secondary cell.
  • the network side (such as primary base station or secondary base station) configures multiple candidate PSCells in advance, and the network side notifies the terminal of the configuration of these candidate PSCells and the conditions for adding or changing each candidate PSCell.
  • the terminal judges that the conditions are satisfied, The terminal directly accesses the candidate PScell that meets the conditions.
  • the terminal can connect to one primary base station and at least two secondary base stations, and the network side (such as the primary base station or the secondary base station) will configure multiple candidate secondary base stations, which will be delivered to the terminal through the primary base station, but the terminal will not To judge whether to trigger the change of the secondary base station but to wait for the instruction information from the network side, when the terminal receives the network side to allow it to access or switch to a candidate secondary base station, and the primary base station or the secondary base station can trigger the terminal to perform secondary base station Access or handover of the base station to achieve access or handover of the target cell.
  • the change of the secondary base station includes the addition and handover of the secondary base station.
  • the addition of the secondary base station means that the terminal accesses a new secondary base station. After the access, the number of base stations accessed by the terminal increases by one; The secondary base station is handed over to another secondary base station. After the handover, the number of base stations accessed by the terminal remains unchanged.
  • a dual active protocol stack (Dual Active Protocol Stack, DAPS for short) switching method is proposed, which can achieve the requirement of 0ms mobile interruption delay (requires both uplink and downlink to be 0ms or close to 0ms interrupt).
  • the handover method includes: after the source cell sends a handover message to the terminal, it can forward data with the target cell. During the handover process, the data transmission between the source cell and the terminal is not interrupted, and both the target cell and the source cell can send downlink data to the terminal, thereby reducing the interruption time of data transmission.
  • the terminal After the terminal completes the access to the target cell, and before receiving the release message sent by the target cell to release the connection between the terminal and the source cell, the terminal continues to perform data transmission (including uplink and/or downlink data transmission) with the source cell ); after the terminal receives the release message sent by the target cell for releasing the connection between the terminal and the source cell, the terminal releases its connection with the source cell. And the target cell sends a handover success message to inform the source cell that the handover is complete; after the source cell receives the handover success message, it stops the uplink/downlink data transmission between the source cell and the terminal, and sends the last data transmission sequence number to the target cell.
  • data transmission including uplink and/or downlink data transmission
  • the source cell sends CHO configuration information to the terminal when the source link quality is good
  • the CHO configuration information can include CHO trigger conditions and information of one or more candidate cells , wherein the information of the candidate cell may include a cell global identifier (CGI for short) of the candidate cell, or a physical cell identifier (PCI for short) of the candidate cell and frequency information corresponding to the candidate cell.
  • CGI cell global identifier
  • PCI physical cell identifier
  • the terminal judges whether the candidate cell satisfies the CHO triggering condition according to the CHO configuration information, and takes a candidate cell satisfying the CHO triggering condition as the target cell.
  • the terminal performs a random access process with the determined target cell.
  • the terminal sends an RRC message (such as an RRC reconfiguration complete message) to the target cell to notify the target cell that the conditional handover is completed.
  • RRC message such as an RRC reconfiguration complete message
  • the terminal can realize low-latency or even zero-latency cell handover according to the trigger conditions configured by the CHO.
  • the terminal 10 originally accesses the cell managed by the first network device 20.
  • the terminal can switch to the second network device 30 to manage the cell according to the trigger condition. cell, or switch to another cell managed by the first network device 20; for another example, in a DC scenario, the first network device 20 can be the primary base station, and the second network device 30 can be a newly added secondary base station or a terminal currently connected
  • the terminal can access the newly added primary secondary cell managed by the second network device 20 or switch to another secondary base station such as the primary secondary cell managed by the third network device (not shown in Figure 1).
  • the terminal 10 can switch to other secondary base stations such as the third network device (not shown in FIG. 1 ) for management The cell or access to other newly added secondary base stations, such as cells managed by the third network equipment.
  • the communication configuration between the terminal 10 and the first network device 20 does not match, resulting in an error in information transmission between the two. Therefore, a method is needed to improve the reliability of information transmission. The method for accessing a cell in this application will be described in detail below.
  • FIG. 2 is a schematic flow diagram of a method for accessing a cell provided by an embodiment of the present application. This method can be executed by a terminal or a device for the terminal such as a chip. The following uses the terminal to perform the method as an example for illustration .
  • the method comprises the steps of:
  • the terminal determines to access a target cell.
  • accessing the target cell includes performing cell switching in a single connection scenario, a dual connection scenario, and a multi-connection scenario, and also includes switching from a single connection scenario to a dual connection scenario, a dual connection scenario, and accessing the current communication system in a multi-connection scenario
  • a newly added cell for example, in the CPAC process of a dual connection scenario or a multi-connection scenario, includes the addition and switching of the PSCell.
  • the first network device such as the base station may send the condition of the cell handover and the information of each candidate target cell to the terminal.
  • the terminal detects that the conditions for cell handover are met, the terminal can determine the target cell to be handed over to; for example, in a dual connectivity scenario, the terminal can trigger access to the target cell according to the trigger condition of CPAC; another example is in the scenario of DAPS combined with CHO , the terminal can trigger access to the target cell according to the trigger condition of the CHO.
  • the first network device or other network devices may instruct the terminal to perform handover, and at this time, the terminal will receive handover instruction information to the target cell, so as to determine to switch to the target cell.
  • the primary base station or the secondary base station may send handover instruction information to the terminal, instructing the terminal to switch to the target cell.
  • the terminal sends indication information corresponding to the second communication configuration to the first network device based on the first communication configuration.
  • the indication information may be a message or a signaling.
  • the indication information may indicate a target cell to be accessed by the terminal, or may indicate a communication configuration to be updated by the terminal.
  • the correspondence between the indication information and the second communication configuration may include: the indication information indicates the target cell, and the target cell adopts the second communication configuration. After receiving the indication information, the first network device may determine which is the target cell, and then determine the second communication configuration corresponding to the target cell.
  • the correspondence between the indication information and the second communication configuration may also include: the indication information indicates the communication configuration identifier, and the communication configuration identifier indicates the second communication configuration, that is, the terminal may notify the first network device which communication configuration to update to, the first The network device determines the target cell to be handed over by the terminal and the corresponding second communication configuration according to the identifier of the communication configuration.
  • the indication information can indicate the target cell to be handed over by the terminal or notify the source cell to adjust the uplink transmission power of the terminal.
  • the source cell may also be notified of the reduction range of the terminal's uplink transmit power, the number of MCS or MIMO layers, and the like.
  • the base station to which the source cell belongs can update the first communication configuration to the second communication configuration according to the indication information. Since the second communication configuration is determined according to the content carried in the indication information, there is a correspondence between the two. relation.
  • the first communication configuration is the communication configuration used before the terminal determines to access the target cell, and the communication configuration is the same as the communication configuration used by the first network device.
  • the first communication configuration includes one or more configuration parameters used for communication between the terminal and the first network device, such as a secret key, a frequency band for sending information, a maximum transmission power when sending information, and the like.
  • scheduling-related parameters such as MCS and MIMO layers may also be included.
  • the types of configuration parameters included in the second communication configuration are similar to those of the first communication configuration, and will not be described in detail.
  • the secret key is used by the two devices to encrypt and decrypt the transmitted data;
  • the frequency band for sending information is used to provide spectrum resources for information transmission between the terminal and the first network device, so that the communication between the two is not affected by other frequency bands.
  • Signal interference the maximum transmission power when sending information is used to adjust the transmission power of the terminal side when sending information uplink;
  • MCS is used to configure the modulation and coding scheme for information transmission between the terminal and the first network device;
  • the number of MIMO layers is used for Configure the number of multiple-input multiple-output layers during information transmission between the terminal and the first network device to improve spectrum utilization.
  • the terminal After the terminal determines to perform cell handover, it will generally immediately use the second communication configuration corresponding to the target cell.
  • the second communication configuration is usually different from the first communication configuration, that is, the above-mentioned various parameters such as the secret key, the frequency band for sending information, and the transmission frequency. At least one difference is included in the maximum transmission power of the information.
  • the communication configuration between the terminal and the first network device does not match.
  • the terminal after determining the target cell to be accessed, the terminal will use the first communication configuration to send indication information corresponding to the second communication configuration to the first network device, and notify the first network device of the target cell to be accessed by the terminal.
  • the first network device can determine the second communication configuration corresponding to the target cell and use the second communication configuration after receiving the indication information. Therefore, in the process of cell access, both the terminal and the first network device use the second communication configuration to communicate until the cell access is completed.
  • the terminal receives the first confirmation information sent by the first network device.
  • the first confirmation information is used to notify the terminal that the base station has received the indication information.
  • the first confirmation information may be a confirmation (confirmation) message or a response (response) message or an acknowledgment (acknowledgment, ack) message, or the like.
  • the terminal sends an access notification message to the first network device based on the second communication configuration.
  • the terminal may start to send an access notification message to the first network device by using the second communication configuration.
  • the first network device since the first network device has enabled the use of the second communication configuration, the first network device can normally receive the information sent by the terminal.
  • the terminal communicates with the first network device based on the second communication configuration.
  • the second communication configuration is obtained by updating the first communication configuration.
  • the second communication configuration can be directly activated and used, or the parameters in the first communication configuration can be modified, such as modifying the sending information Then activate the modified parameters, and complete the process of updating the first communication configuration to the second communication configuration.
  • the terminal when the first network device uses the first communication configuration, the terminal also uses the first communication configuration, and sends an indication message to notify the first network device of the cell to be accessed, so that the first network device can determine The second communication configuration that matches the target cell.
  • both the terminal and the first network device can use the second communication configuration to communicate.
  • the communication configuration mismatch between the terminal and the first network device causes information transmission errors problems, improve the reliability of information transmission between the terminal and the first network device, and improve the efficiency of cell access and the work efficiency of the entire system.
  • FIG. 3 is a schematic flowchart of another method for accessing a cell provided in the embodiment of the present application; specifically, the following steps are included:
  • the terminal determines to access a target cell.
  • the terminal sends an access notification message to the first network device based on the first communication configuration.
  • the terminal After determining to access the target cell, the terminal usually directly uses the second communication configuration corresponding to the target cell. At this time, the first network device is still using the first communication configuration, which causes a mismatch between the communication configurations of the two. In this embodiment of the present application, after determining to access the target cell, the terminal may not use the second communication configuration, but continue to use the first communication configuration to send the access notification message to the first network device. In this way, the first network device can still use the first communication configuration to receive information sent by the terminal normally.
  • the terminal receives the second confirmation information sent by the first network device.
  • the second confirmation information is used to notify the terminal that the first network device already knows that the terminal will access other cells.
  • the first network device may also start to use the second communication configuration.
  • the terminal communicates with the first network device based on the second communication configuration.
  • the terminal After receiving the second confirmation information from the first network device, the terminal can switch or update the currently used first communication configuration or directly use the second communication configuration to communicate with the first network device.
  • the terminal after determining to access the target cell, the terminal does not immediately use the second communication configuration corresponding to the target cell to send the access notification message, but when the first network device uses the first communication configuration, the terminal also use the first communication configuration to send the access notification message, and then use the second communication configuration to communicate with the first network device after receiving the second confirmation message sent by the first network device. At this time, the first network device is receiving The second communication configuration has also started to be used after the access notification message. In this way, the problem of information transmission error caused by the mismatch of the communication configuration between the terminal and the first network device when sending the access notification message is avoided, the reliability of information transmission between the terminal and the first network device is improved, and the cell access is improved. efficiency and the work efficiency of the whole system.
  • FIG. 4 is a schematic flowchart of a method for accessing a cell in a CPAC scenario provided by an embodiment of the present application
  • the first network device shown in Figure 2 is the master base station, and the target cell is the target master-secondary cell to be handed over by the terminal or a newly added target master-secondary cell to be accessed, and the target cell is managed by the secondary base station
  • the first communication configuration and the second communication configuration are MCG configurations.
  • the primary base station sends a secondary base station addition request (SN addition request) to the first secondary base station.
  • the primary base station receives a secondary base station addition request ack (SN addition request ack) sent by the first secondary base station.
  • SN addition request ack secondary base station addition request ack
  • the primary base station sends a secondary base station addition request to the second secondary base station.
  • the primary base station receives the secondary base station addition request response sent by the second secondary base station.
  • the number of secondary base stations may be greater than one.
  • the primary base station may send the request in step S401 to each secondary base station and receive the Base station response.
  • the primary base station may send the request in step S401 to each secondary base station and receive the Base station response.
  • only two secondary base stations are shown in FIG. 4 .
  • the primary base station sends a secondary base station addition request to one or more secondary base stations. These secondary base stations may be requested to obtain CPAC information such as CPAC trigger conditions corresponding to each secondary base station, communication configuration of the primary secondary cell such as MCG configuration and SCG configuration corresponding to the primary secondary cell.
  • CPAC information such as CPAC trigger conditions corresponding to each secondary base station
  • communication configuration of the primary secondary cell such as MCG configuration and SCG configuration corresponding to the primary secondary cell.
  • the terminal receives an RRC reconfiguration (RRC Reconfiguration) message sent by the master base station.
  • RRC reconfiguration message includes the CPAC trigger conditions corresponding to the above-mentioned multiple secondary base stations and the communication configuration of the primary secondary cell.
  • the terminal detects that the triggering condition of the CPAC corresponding to the first secondary base station is satisfied. Therefore, the terminal can determine that the target cell to be accessed is the target primary secondary cell managed by the first secondary base station.
  • step S201 in FIG. 2 For this step, refer to step S201 in FIG. 2 .
  • the terminal adds a cell managed by the first SeNB to a primary-Secondary cell or switches from a source primary-secondary cell to a target primary-secondary cell managed by the first secondary base station.
  • the terminal switches to the target primary secondary cell managed by the first secondary base station, it will be disconnected from the source primary secondary cell.
  • the terminal sends indication information to the master base station based on the first communication configuration.
  • step S202 in FIG. 2 For this step, refer to step S202 in FIG. 2 .
  • the indication information is used to indicate that the target primary secondary cell to be added by the terminal or to be handed over is the primary secondary cell managed by the first secondary base station.
  • the first communication configuration is the MCG configuration corresponding to the primary base station when the terminal is in the single connection state; when it belongs to switching primary and secondary cells, the first communication configuration is the MCG configuration corresponding to the source primary and secondary cell.
  • the first communication configuration may also include an SCG configuration, and the types of parameters included in the SCG configuration are similar to those of the MCG, and details will not be described here.
  • the primary base station Since the primary base station already knows the MCG configuration corresponding to the target primary and secondary cell in the process of step S401-step S404, after the terminal sends the indication information to the primary base station, the primary base station can determine to use the MCG corresponding to the target primary secondary cell configuration.
  • the MCG configuration may include but not limited to the secret key used to encrypt and decrypt data, the frequency band for sending information, the maximum transmission power when sending information, MCS, the number of layers of MIMO, etc.
  • MCS maximum transmission power when sending information
  • MCS maximum transmission power when sending information
  • MCS the number of layers of MIMO
  • the indication information includes at least one of the following: an identifier of the target primary-secondary cell, an identifier of MCG configuration information corresponding to the target primary-secondary cell, or a preamble corresponding to the target primary-secondary cell.
  • the sending method of the instruction information can be as follows:
  • the terminal can send an RRC message to the primary base station, indicating that the conditions for triggering the addition of a PSCell are met, and which PSCell it is (for example, it can be the identity of the target primary and secondary cell, or it can be the corresponding target primary and secondary cell. MCG configuration information identifier).
  • the RRC layer can also notify the PHY or MAC CE to send the indication message, which is faster in the process.
  • Method 2 The terminal can initiate a Random Access Channel (RACH) process to the main base station, and the main base station will configure different preambles for different PSCells. Then the main base station can judge the PSCell to be switched by the terminal according to the RACH resource used by the terminal to initiate the RACH. It should be noted that the mapping relationship between the PSCell and the preamble can be configured for the terminal in S405, and then the terminal only needs to send a preamble to the primary base station.
  • the RACH process may be triggered by the MAC layer or the RRC layer, which is not limited here.
  • the primary base station sends first confirmation information to the terminal.
  • step S203 in FIG. 2 For this step, refer to step S203 in FIG. 2 .
  • the first confirmation information may be a confirmation message.
  • the main base station may reply an RRC confirmation message to the terminal, or reply a confirmation message through the PHY or MAC layer.
  • the main base station may reply a random access response message to the terminal, or may reply a confirmation message.
  • the embodiment of this application does not make any limitation.
  • the master base station switches or updates to or directly uses the second communication configuration.
  • the second communication configuration is an MCG configuration corresponding to the target primary and secondary cells.
  • the second communication configuration may also be SCG configuration.
  • the terminal switches or updates to or directly uses the second communication configuration.
  • the terminal sends an RRC reconfiguration complete message to the master base station based on the second communication configuration. This step corresponds to step S204 in FIG. 2 .
  • the RRC reconfiguration complete message includes the SN RRC reconfiguration complete message used by the terminal to notify the first SeNB.
  • the primary base station sends the SN RRC reconfiguration complete message to the first secondary base station.
  • step S412 there will be no problem of MCG configuration mismatch in sending and receiving signaling and data transmission between the primary base station and the terminal.
  • FIG. 5 is a schematic flowchart of another method for accessing a cell in a CPAC scenario provided by an embodiment of the present application; in this scenario, the first network device shown in FIG. 3 is the master base station, and the target cell It is the target primary secondary cell to be handed over by the terminal or a newly added target primary secondary cell to be accessed, and the target cell is a cell managed by the secondary base station, and the first communication configuration and the second communication configuration are MCG configurations.
  • the method for accessing a cell provided by this application will be described in combination with the embodiment shown in FIG. 3 under the CPAC scenario. Steps S501 to S506 are the same as steps S401 to S406 in FIG. 4 and will not be repeated here. After step S506, the following steps are also included:
  • the terminal keeps using the first communication configuration.
  • the first communication configuration is the MCG configuration corresponding to the primary base station when the terminal is in the single connection state; when the primary and secondary cells are switched, the first communication configuration is It is configured for the MCG corresponding to the source primary and secondary cells.
  • the first communication configuration may also include an SCG configuration.
  • the terminal sends an RRC reconfiguration complete message to the master base station based on the first communication configuration. This step corresponds to step S302 in FIG. 3 .
  • the RRC reconfiguration complete message includes the SN RRC reconfiguration complete message used by the terminal to notify the first SeNB.
  • the primary base station sends an SN RRC reconfiguration complete message to the first secondary base station, notifying the first secondary base station that the terminal will access the primary secondary cell of the first secondary base station.
  • the terminal switches or updates to or directly uses the second communication configuration.
  • the second communication configuration is an MCG configuration corresponding to the target primary and secondary cells.
  • the second communication configuration may also include an SCG configuration.
  • the terminal completes handover of the target primary and secondary cell with the first secondary base station.
  • the primary base station switches or updates to or directly uses the second communication configuration.
  • the primary base station can update the corresponding MCG configuration according to the switched primary and secondary cells.
  • step S512 may also be executed after step S508, which is not limited in this embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a method for accessing a cell in a DAPS combined with CHO scenario provided by an embodiment of the present application;
  • the terminal will simultaneously transmit data with the source cell and the target cell during the cell handover process, but due to the limitation of the terminal capability, it corresponds to each The power of a cell will be reduced, which will lead to a reduction in the uplink transmission capability of the terminal. Since the source cell is not aware of the handover process, the source cell does not know that the terminal's transmission power has been reduced. If the source cell also allows the terminal to send a lot of data during this process, it will cause a large number of data transmission errors. . Therefore, a method for accessing a cell described in the embodiment shown in Figure 2 or Figure 3 of this application can be used in this scenario.
  • the source cell and the target cell can belong to the same base station It can also be managed by different base stations.
  • the source cell and the target cell are located in different base stations for illustration. When the two are located in the same base station, replace “source base station” with “source cell ", "target base station” can be replaced with “target cell”.
  • the method for accessing a cell provided by this application will be described in a scenario where DAPS is combined with CHO, and in combination with the embodiment shown in FIG. 2 . The method comprises the steps of:
  • the source base station sends a handover request (handover request, HO request) to the first target base station.
  • a handover request handover request, HO request
  • the first target base station sends a handover request acknowledge (handover request acknowledge, HO request ack) to the source base station.
  • a handover request acknowledge handover request acknowledge, HO request ack
  • the source base station sends a handover request to the second target base station.
  • the second target base station sends a handover request response to the source base station.
  • the number of target base stations can be one or more.
  • the source base station can send the request in step S601 to each target base station and receive the response of each target base station.
  • the target base station For ease of description, only two target base stations are shown in FIG. 6 .
  • the source base station sends handover requests to one or more target base stations.
  • the target base stations may be requested to obtain CHO information such as the CHO trigger conditions corresponding to each target base station, the communication configuration of the target cell such as the uplink transmission power corresponding to the target cell, and the like.
  • the terminal receives the DAPS combined with CHO configuration message sent by the source base station.
  • the configuration message includes the CHO trigger conditions corresponding to the above-mentioned multiple target base stations and the communication configuration of the target cell.
  • the terminal detects that the triggering condition of the CHO corresponding to the first target base station is satisfied. Therefore, the terminal determines that the target cell to be accessed is the target cell managed by the first target base station.
  • step S201 in FIG. 2 For this step, refer to step S201 in FIG. 2 .
  • the handover will be to the target cell managed by the first target base station.
  • the terminal sends indication information to the source base station based on the first communication configuration.
  • This step corresponds to step S203 in FIG. 2 .
  • the first communication configuration is a communication configuration used when the terminal does not initiate cell handover and only has data transmission with the source base station, including the maximum transmission power when sending information, and may also include scheduling-related parameters such as the number of layers of MCS or MIMO.
  • the indication information is used to notify the source base station that the uplink transmission power of the terminal has decreased.
  • the indication information may also indicate the magnitude of the downlink power of the terminal or the current maximum uplink transmission power of the terminal.
  • the source base station sends first confirmation information to the terminal.
  • step S203 in FIG. 2 For this step, refer to step S203 in FIG. 2 .
  • the source base station adjusts the first communication configuration to the second communication configuration according to the indication information, including: adjusting the uplink transmission power of the terminal according to the decrease of the uplink transmission power.
  • the source base station can also adjust the number of MCS and MIMO layers and other scheduling-related parameters and the number of data transmissions.
  • the terminal side does not need to adjust the communication configuration, and can perform information transmission according to its current capability.
  • the terminal remains connected to the source base station, that is, until the terminal is handed over to the target cell, the terminal does not disconnect from the source base station.
  • the CHO triggering terminal usually does not notify the source base station. If the source base station needs to be notified in the scenario where DAPS is combined with CHO, the method in the embodiment shown in FIG. 5 can be referred to.
  • the terminal uses the first communication configuration to send the access notification message, and then switches or updates the first communication configuration to The second communication configuration, so that the terminal communicates with the master base station through the second communication configuration. I won't repeat them here.
  • FIG. 7 is a schematic flowchart of a method for accessing a cell triggered by a secondary base station in a multi-connection scenario according to an embodiment of the present application.
  • the network side (such as the primary base station or the secondary base station) can configure multiple candidate secondary base stations and send them to the terminal through the primary base station.
  • the terminal does not judge whether to trigger the change of the secondary base station, but waits for the Instruction information from the network side (such as primary base station or secondary base station), when the terminal receives the network side asking it to add a candidate secondary base station or handover to a candidate secondary base station, the terminal will immediately update the information corresponding to the secondary base station.
  • MCG configuration and SCG configuration are examples of the network side asking it to add a candidate secondary base station or handover to a candidate secondary base station.
  • the handover indication information on the network side may be sent by the primary base station or the secondary base station.
  • the MeNB does not know that the handover of the terminal has occurred and the MCG configuration has changed, so there will be MCG configuration inconsistencies between the MeNB and the terminal matching problem.
  • the method for accessing a cell provided by the present application will be described in combination with the embodiment shown in FIG. 2 in the scenario where the SeNB triggers the change of the SeNB. The method comprises the steps of:
  • the primary base station sends a secondary base station addition request to the target secondary base station.
  • the target SeNB sends a SeNB addition request response to the MeNB.
  • the number of target SeNBs can be one or more.
  • the MeNB can send the request in step S701 to each target SeNB, and receive the request in step S701 from each target SeNB. the response to.
  • only one target SeNB is shown in FIG. 7 .
  • the primary base station sends a secondary base station addition request to one or more target secondary base stations.
  • These target secondary base stations can be requested to obtain the communication configuration of the target cell managed by each target base station, such as the communication configuration corresponding to the target cell, such as MCG configuration, SCG configuration, etc.
  • the terminal receives the RRC reconfiguration message sent by the primary base station.
  • the RRC reconfiguration message includes the communication configurations of the target cells corresponding to the above multiple target SeNBs.
  • the terminal receives the handover instruction sent by the source secondary base station. Therefore, the terminal can determine the target cell to be accessed.
  • step S201 in FIG. 2 For this step, refer to step S201 in FIG. 2 .
  • the handover instruction may also be sent by other secondary base stations.
  • the terminal sends indication information to the master base station based on the first communication configuration.
  • step S202 in FIG. 2 For this step, refer to step S202 in FIG. 2 .
  • the indication information is used to indicate the target cell to which the terminal switches.
  • the indication information is: the identity of the target cell or the identity of the MCG configuration corresponding to the target cell.
  • the primary base station sends first confirmation information to the terminal.
  • step S203 in FIG. 2 For this step, refer to step S203 in FIG. 2 .
  • the master base station switches or updates to or directly uses the second communication configuration.
  • the second communication configuration is an MCG configuration corresponding to the target cell.
  • the second communication configuration may also include an SCG configuration.
  • the terminal switches or updates to or directly uses the second communication configuration.
  • the terminal completes a handover process with the target secondary base station.
  • the terminal sends a handover success message to the master base station based on the second communication configuration.
  • the message may be an RRC reconfiguration complete message, or other messages, which are not limited in this embodiment of the present application.
  • the terminal first uses the first communication configuration to send an access notification message, and after the terminal and the target secondary base station complete handover, corresponding to step S303 in FIG.
  • a communication configuration is switched or updated to or directly uses the second communication configuration, and subsequent terminals communicate with the main base station through the second communication configuration. I won't repeat them here.
  • FIG. 8 is a schematic flowchart of a cell access method in a CPAC scenario provided by an embodiment of the present application.
  • the method may include the steps of:
  • the terminal determines that a trigger condition of the CPAC is met.
  • the terminal sends key indication information to the main base station, where the key indication information is used to instruct the main base station to use the key in the first communication configuration or use the key in the second communication configuration to decrypt data.
  • the main base station may also send key indication information to the terminal during the process of sending the RRC reconfiguration message to the terminal and receiving the RRC reconfiguration complete message sent by the terminal.
  • the first communication configuration is the MCG configuration corresponding to the primary base station when the terminal is in the single connection state; when it belongs to switching primary and secondary cells, the first communication configuration is the MCG configuration corresponding to the source primary and secondary cell .
  • the second communication configuration is an MCG configuration corresponding to the target primary and secondary cells.
  • the key indication information is included in a data packet sent by the terminal to the first network device;
  • the key indication information is sent to the first network device through medium access MAC CE or PDCP control information.
  • the MAC CE or PDCP control information indicates the secret key used by the terminal and the number of the data packet encrypted using the secret key
  • the MAC CE or PDCP control information indicates the secret key used by the terminal and the preset time period for using the secret key to encrypt data packets.
  • the sending end device (here is uplink, the terminal is the sending end device, and the master base station is the sending end device during downlink) needs to determine the data packet number or the preset time period to estimate, according to the sending end device You can choose any one of the above two methods for the estimated ability. Estimating the packet number requires higher capabilities, but in the case of transmission delays, using the packet number for indication can achieve better transmission results. Using the preset time period for indication has lower requirements on the capability of the terminal, and is suitable for many devices.
  • the secret key indication information may be a specific secret key or an identifier, for example, 0 may be used to represent the use of the secret key in the first communication configuration, and 1 may be used to represent the use of the secret key in the second communication configuration.
  • the above key indication method can be used in the existing CPAC process, and can also be used in conjunction with the cell access method in the embodiment of this application. Please refer to Figure 4 and Figure 8 together.
  • the terminal may add key indication information to the data packet sent between step S409 and step S410.
  • the time period during which the keys of the terminal and the main base station do not match is between S409-S410 in FIG. 4 , so the time is relatively short, so the time period for sending the key indication information only needs to include this time period.
  • the key indication information may also be sent through MAC CE or PDCP control information after step S406.
  • the communication configuration between the terminal and the main base station is the same after step S410 in Figure 4, but after step S406 and before the main base station updates the second communication configuration in step S409, the main base station has sent some data packets , these data packets use the secret key in the first communication configuration, so the data packets received by the terminal do not know whether they are encrypted with the secret key in the first communication configuration or with the secret key in the second communication configuration. Therefore, the packet headers of the data packets sent by the main base station after being updated to the second communication configuration can carry a secret key indication information, so that the terminal knows which secret key to use for decryption when receiving these data packets. Alternatively, the key indication information may also be sent through MAC CE or PDCP control information after step S406.
  • the receiving end can successfully receive data, save air interface resources, and improve the efficiency and success rate of data transmission.
  • FIG. 9 is a schematic diagram of the composition of a communication device provided by an embodiment of the present application; it may include:
  • the sending unit 100 is configured to send indication information corresponding to the second communication configuration to the first network device based on the first communication configuration, the receiving unit 200 is configured to receive the first confirmation information sent by the first network device, and the sending unit 100 is further configured to send an access notification message to the first network device based on the second communication configuration;
  • the sending unit 100 is configured to send an access notification message to the first network device based on the first communication configuration
  • the receiving unit 200 is configured to receive second confirmation information sent by the first network device
  • the sending unit 100 and the receiving unit 200 are further configured to communicate with the first network device based on a second communication configuration.
  • the second communication configuration is obtained by updating the first communication configuration.
  • the first communication configuration and the second communication configuration include at least one of the following:
  • the first network device is a master base station
  • the target cell is a target master-secondary cell to be handed over by the communication device or a newly added target master-secondary cell to be accessed
  • the first communication configuration and The second communication configuration is configured by the main cell group MCG
  • the access notification message is a radio resource control RRC reconfiguration complete message
  • the indication information corresponding to the second communication configuration is used to indicate the target primary and secondary cells to be switched by the communication device;
  • the indication information includes at least one of the following items: an identifier of the target primary-secondary cell, an identifier of MCG configuration information corresponding to the target primary-secondary cell, or a preamble corresponding to the target primary-secondary cell.
  • the indication information corresponding to the second communication configuration is used to notify the first network device that the communication device The uplink transmit power drops;
  • the second communication configuration is used to adjust the uplink transmission power of the communication device.
  • the first network device is a primary base station
  • the communication device is connected to the primary base station and at least one secondary base station
  • the first secondary base station in the at least one secondary base station triggers the communication device to switch to the A target cell
  • the target cell is a cell managed by a target secondary base station
  • the first communication configuration and the second communication configuration are configured by a primary cell group MCG
  • the indication information corresponding to the second communication configuration is used to indicate the target cell to be switched by the communication device;
  • the indication information is: the identity of the target cell or the identity of the MCG configuration corresponding to the target cell.
  • the communication device sends key indication information to the first network device,
  • the key indication information is used to instruct the first network device to use the key in the first communication configuration or use the key in the second communication configuration to decrypt data.
  • the key indication information is included in a data packet sent by the communication device to the first network device;
  • the secret key indication information is sent to the first network device through a medium access control protocol control element MAC CE or a packet data convergence protocol PDCP control information.
  • the MAC CE or PDCP control information indicates a secret key used by the communication device and a data packet number encrypted using the secret key
  • the MAC CE or PDCP control information indicates the secret key used by the communication device and the preset time period for encrypting data packets with the secret key.
  • the communication device is a terminal.
  • FIG. 10 is a schematic composition diagram of another communication device provided by an embodiment of the present application; it may include a processor 110 , a memory 120 and a bus 130 .
  • the processor 110 and the memory 120 are connected through the bus 130, the memory 120 is used to store instructions, and the processor 110 is used to execute the instructions stored in the memory 120, so as to realize the steps correspondingly executed by the terminal in Fig. 2-Fig. 8 above.
  • the communication device may further include an input port 140 and an output port 150 .
  • the processor 110 , the memory 120 , the input port 140 and the output port 150 may be connected through the bus 130 .
  • the processor 110 is used to execute the instructions stored in the memory 120 to control the input port 140 to receive signals, and control the output port 150 to send signals, so as to complete the steps performed by the communication device in the above method.
  • the input port 140 and the output port 150 may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as input and output ports.
  • the memory 120 can be integrated in the processor 110 , or can be set separately from the processor 110 .
  • the functions of the input port 140 and the output port 150 may be realized by a transceiver circuit or a dedicated chip for transceiver.
  • the processor 110 may be considered to be implemented by a dedicated processing chip, a processing circuit, a processor, or a general-purpose chip.
  • a general-purpose computer to implement the base station provided in the embodiment of the present application.
  • the program codes to realize the functions of the processor 110, the input port 140 and the output port 150 are stored in the memory, and the general-purpose processor realizes the functions of the processor 110, the input port 140 and the output port 150 by executing the codes in the memory.
  • Figure 11 is a schematic diagram of the composition of a network device provided by the embodiment of the present application; it may include:
  • the receiving unit 300 is configured to receive indication information sent by the terminal based on the first communication configuration, the indication information corresponds to the second communication configuration, the sending unit 400 is configured to send first confirmation information to the terminal, the receiving unit 300 It is also used to receive an access notification message sent by the terminal based on the second communication configuration;
  • the receiving unit 300 is configured to receive an access notification message sent by the terminal based on the first communication configuration
  • the sending unit 400 is configured to send second confirmation information to the terminal, the second confirmation information and triggering the terminal to communicate with the network device based on the second communication configuration.
  • the second communication configuration is obtained by updating the first communication configuration.
  • the first communication configuration and the second communication configuration include at least one of the following:
  • the network device is a master base station, and the target cell is a target master-secondary cell to be handed over by the terminal or a newly added target master-secondary cell to be accessed;
  • the first communication configuration and the second The second communication configuration is MCG configuration;
  • the access notification message is an RRC reconfiguration completion message;
  • the indication information corresponding to the second communication configuration is used to indicate the target primary and secondary cells to be switched by the terminal;
  • the indication information includes at least one of the following items: an identifier of the target primary-secondary cell, an identifier of MCG configuration information corresponding to the target primary-secondary cell, or a preamble corresponding to the target primary-secondary cell.
  • the indication information corresponding to the second communication configuration is used to notify the network device that the uplink transmission power of the terminal has decreased;
  • the second communication configuration is used to adjust the uplink transmission power of the terminal.
  • the network device is a primary base station
  • the terminal is connected to the primary base station and at least one secondary base station
  • the first secondary base station in the at least one secondary base station triggers the terminal to switch to the target cell
  • the target cell is a cell managed by the target secondary base station
  • the first communication configuration and the second communication configuration are configured by the primary cell group MCG;
  • the indication information corresponding to the second communication configuration is used to indicate the target cell to be switched by the terminal;
  • the indication information is: the identity of the target cell or the identity of the MCG configuration corresponding to the target cell.
  • the sending unit is further configured to send key indication information to the terminal, the The key indication information is used to instruct the terminal to use the key in the first communication configuration or use the key in the second communication configuration to decrypt data.
  • the key indication information is included in a data packet sent by the network device to the terminal;
  • the key indication information is sent to the terminal through MAC CE or PDCP control information.
  • the MAC CE or PDCP control information indicates the secret key used by the network device and the packet number encrypted using the secret key
  • the MAC CE or PDCP control information indicates the secret key used by the network device and the preset time period for using the secret key to encrypt data packets.
  • FIG. 12 is a schematic composition diagram of another network device provided by an embodiment of the present application; it may include a processor 210 , a memory 220 and a bus 230 .
  • the processor 210 and the memory 220 are connected through the bus 230, the memory 220 is used to store instructions, and the processor 210 is used to execute the instructions stored in the memory 220, so as to implement the corresponding steps performed by the first network device in Figures 2-8 above .
  • the network device may further include an input port 240 and an output port 250 .
  • the processor 210 , the memory 220 , the input port 240 and the output port 250 may be connected through the bus 230 .
  • the processor 210 is used to execute the instructions stored in the memory 220 to control the input port 240 to receive signals, and control the output port 250 to send signals, so as to complete the steps performed by the first network device in the above method.
  • the input port 240 and the output port 250 may be the same or different physical entities. When they are the same physical entity, they can be collectively referred to as input and output ports.
  • the memory 220 may be integrated in the processor 210 , or may be set separately from the processor 210 .
  • the functions of the input port 240 and the output port 250 may be realized by a transceiver circuit or a dedicated chip for transceiver.
  • the processor 210 may be considered to be implemented by a dedicated processing chip, a processing circuit, a processor, or a general-purpose chip.
  • a general-purpose computer to implement the terminal provided in the embodiment of the present application.
  • the program codes to realize the functions of the processor 210, the input port 240 and the output port 250 are stored in the memory, and the general processor realizes the functions of the processor 210, the input port 240 and the output port 250 by executing the codes in the memory.
  • FIG. 10 and FIG. 12 Those skilled in the art can understand that, for ease of description, only one memory and processor are shown in FIG. 10 and FIG. 12 . In an actual controller, there may be multiple processors and memories.
  • a storage may also be called a storage medium or a storage device, etc., which is not limited in this embodiment of the present application.
  • the processor may be a central processing unit (Central Processing Unit, referred to as CPU), and the processor may also be other general-purpose processors, digital signal processors (Digital Signal Processing, referred to as DSP), Application Specific Integrated Circuit (ASIC for short), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • CPU Central Processing Unit
  • DSP Digital Signal Processing
  • ASIC Application Specific Integrated Circuit
  • FPGA off-the-shelf programmable gate array
  • the memory which can include read only memory and random access memory, provides instructions and data to the processor.
  • a portion of the memory may also include non-volatile random access memory.
  • the bus may also include a power bus, a control bus, and a status signal bus.
  • a power bus may also include a power bus, a control bus, and a status signal bus.
  • various buses are labeled as buses in the figures.
  • 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 connection with the embodiments of the present application 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 embodiment of the present application further provides a system, which includes the foregoing terminal, the first network device, and the like.
  • serial numbers of the above-mentioned processes do not mean the order of execution, and the execution order of each process should be determined by its functions and internal logic, rather than the implementation process of the embodiments of the present application. constitute any limitation.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • 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 program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application 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 devices.
  • 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 transmitted from a website, computer, server, or data center Transmission to another website site, computer, server, or data center by wired (eg, coaxial cable, optical fiber, DSL) or wireless (eg, infrared, wireless, microwave, etc.) means.
  • 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 may be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (eg, DVD), or semiconductor media (eg, solid state hard disk), etc.
  • the terminal and/or network device may perform some or all of the steps in the embodiment of the present application, and these steps or operations are only examples. In the embodiment of the present application, other operations or various variant of the operation. In addition, each step may be performed in a different order presented in the embodiment of the present application, and it may not be necessary to perform all operations in the embodiment of the present application.

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Abstract

本申请实施例公开了一种接入小区的方法、通信装置及网络设备，所述方法用于终端接入目标小区，方法包括：基于第一通信配置向第一网络设备发送第二通信配置对应的指示信息，接收所述第一网络设备发送的第一确认信息，基于所述第二通信配置向所述第一网络设备发送接入通知消息；或者，基于所述第一通信配置向所述第一网络设备发送接入通知消息，接收所述第一网络设备发送的第二确认信息，基于第二通信配置与所述第一网络设备进行通信。采用本申请实施例，可使得终端进行小区接入使用的通信配置和网络侧的通信配置匹配，提高信令及数据的传输的可靠性。

Description

接入小区的方法、通信装置及网络设备
本申请要求于2021年08月04日提交中国专利局、申请号为202110892132.X、申请名称为“接入小区的方法、通信装置及网络设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请通信技术领域，尤其涉及一种接入小区的方法、通信装置及网络设备。
背景技术
在无线通信系统中，由于终端的移动性或者小区信道环境的变化等因素影响，终端可以接入新的小区，例如从源小区切换到目标小区，或者添加目标小区为主辅小区(primary secondary cell，简称PSCell)，以获得更好的数据传输质量。
由于在接入目标小区的过程中，终端侧使用的第一通信配置将会更新为与目标小区对应的第二通信配置，但是终端在接入目标小区之前所接入的基站(不在同的场景下，该基站可以是主基站或源基站)仍会使用第一通信配置与该终端进行通信，这将会导致在终端接入目标小区的过程中，主基站或源基站与终端之间传输的信息如信令和数据传输出错。
发明内容
本申请实施例所要解决的技术问题在于，提供一种接入小区的方法、通信装置及网络设备，以解决终端进行小区接入时信息传输出错的问题。
第一方面，本申请的实施例提供了一种接入小区的方法，所述方法用于终端接入目标小区，所述方法包括：
基于第一通信配置向第一网络设备发送第二通信配置对应的指示信息，接收所述第一网络设备发送的第一确认信息，基于所述第二通信配置向所述第一网络设备发送接入通知消息；
采用上述方式，在第一网络设备使用第一通信配置时，终端也使用该第一通信配置，发送一个指示信息来通知第一网络设备将要接入的小区，使得第一网络设备可以确定目标小区相匹配的第二通信配置，在小区接入的后续流程中，终端和第一网络设备都可以使用第二通信配置进行通信，从而避免了终端与第一网络设备的通信配置不匹配导致信息传输出错的问题，提高了终端与第一网络设备之间传输信息的可靠性，提升了小区接入的效率和整个系统的工作效率。
或者，基于所述第一通信配置向所述第一网络设备发送接入通知消息，接收所述第一网络设备发送的第二确认信息，基于第二通信配置与所述第一网络设备进行通信。
采用上述方式，终端在确定接入目标小区之后，不立即使用与目标小区对应的第二通信配置来发送接入通知消息，而是在第一网络设备使用第一通信配置时，终端也使用该第一通信配置来发送接入通知消息，在接收到第一网络设备发送的第二确认信息之后，再使用第二通信配置与第一网络设备进行通信，此时第一网络设备在接收到接入通知消息后也已经开始使用第二通信配置。从而避免了在发送接入通知消息时，终端与第一网络设备的通信配置不匹配导致信息传输出错的问题，提高了终端与第一网络设备之间传输信息的可靠性，提升了 小区接入的效率和整个系统的工作效率。
在一种可能的实现方式中，所述第二通信配置是更新所述第一通信配置得到的。
在一种可能的实现方式中，所述第一通信配置和所述第二通信配置包括以下至少一项：
用于对数据加密和解密的秘钥；
发送信息的频段；
发送信息时的最大传输功率。
在一种可能的实现方式中，所述第一网络设备为主基站，所述目标小区为所述终端待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；所述接入通知消息为无线资源控制RRC重配置完成消息；
所述第二通信配置对应的指示信息用于指示所述终端切换的目标主辅小区；
所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
在上述场景中，终端通过指示信息通知主基站将要切换到的目标小区，使得主基站可以将当前使用的第一通信配置更新为第二通信配置，并能成功接收终端基于第二通信配置发送的RRC重配置消息，确保了终端与主基站使用的配置相匹配。
在一种可能的实现方式中，在所述终端基于双激活协议栈DAPS结合条件切换CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述第一网络设备所述终端的上行发送功率下降；
所述第二通信配置用于调整所述终端的上行发送功率。
可选地，第二通信配置还包括用于调整所述终端的调制和编码方案(Modulation and Coding SchemeM，简称MCS)和多输入多输出(Multi-input Multi-output，简称MIMO)的层数相关的参数。
在上述场景中，终端通过指示信息可以通知第一网络设备自身上下发送功率的下降情况，使得第一网络设备可以调整终端的上下发送功率，确保数据的正常传输。
在一种可能的实现方式中，所述第一网络设备为主基站，所述终端连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述终端切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
所述第二通信配置对应的指示信息用于指示所述终端切换的目标小区；
所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
可选地，MCG配置标识可以包括但不限于：所述标小区的标识、与所述目标小区对应的MCG配置信息的标识或与所述目标小区对应的前导码。
在上述场景中，终端通过指示要切换的目标小区，使得主基站可以将当前使用的第一通信配置更新为第二通信配置，并能成功接收终端基于第二通信配置发送的RRC重配置消息，确保了终端与主基站使用的配置相匹配。
在一种可能的实现方式中，在所述终端确定切换到所述目标小区至所述终端完成到所述目标小区的切换的过程中，所述终端向所述第一网络设备发送秘钥指示信息，所述秘钥指示信息用于指示所述第一网络设备使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
通过秘钥指示信息，可以确保终端和第一网络设备在配置不匹配的时间段内，仍然能够正常的传输数据。
在一种可能的实现方式中，所述秘钥指示信息包含在所述终端向所述第一网络设备发送的数据包中；
或者，所述秘钥指示信息通过介质接入控制协议控制元素MAC CE或者分组数据汇聚协议PDCP控制信息发送给所述第一网络设备。
在一种可能的实现方式中，所述MAC CE或PDCP控制信息指示所述终端使用的秘钥以及使用所述秘钥加密的数据包编号；
或者，所述MAC CE或PDCP控制信息指示所述终端使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
第二方面，本申请的实施例提供了一种接入小区的方法，所述方法用于终端接入目标小区，所述方法包括：
第一网络设备接收所述终端基于第一通信配置发送的指示信息，所述指示信息与第二通信配置对应，向所述终端发送第一确认信息，接收所述终端基于所述第二通信配置发送的接入通知消息；
或者，所述第一网络设备接收所述终端基于所述第一通信配置发送的接入通知消息，向所述终端发送第二确认信息，所述第二确认信息用于触发所述终端基于所述第二通信配置与所述第一网络设备进行通信。
在一种可能的实现方式中，所述第二通信配置是更新所述第一通信配置得到的。
在一种可能的实现方式中，所述第一通信配置和所述第二通信配置包括以下至少一项：
用于对数据加密和解密的秘钥；
发送信息的频段；
发送信息时的最大传输功率。
在一种可能的实现方式中，所述第一网络设备为主基站，所述目标小区为所述终端待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为MCG配置；所述接入通知消息为RRC重配置完成消息；
所述第二通信配置对应的指示信息用于指示所述终端切换的目标主辅小区；
所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
在一种可能的实现方式中，在所述终端基于DAPS结合CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述第一网络设备所述终端的上行发送功率下降；
所述第二通信配置用于调整所述终端的上行发送功率。
在一种可能的实现方式中，所述第一网络设备为主基站，所述终端连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述终端切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
所述第二通信配置对应的指示信息用于指示所述终端切换的目标小区；
所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
在一种可能的实现方式中，在所述终端确定切换到所述目标小区至所述终端完成到所述目标小区的切换的过程中，所述第一网络设备向所述终端发送秘钥指示信息，所述秘钥指示信息用于指示所述终端使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
在一种可能的实现方式中，所述秘钥指示信息包含在所述第一网络设备向所述终端发送 的数据包中；
或者，所述秘钥指示信息通过MAC CE或者PDCP控制信息发送给所述终端。
在一种可能的实现方式中，所述MAC CE或PDCP控制信息指示所述第一网络设备使用的秘钥以及使用所述秘钥加密的数据包编号；
或者，所述MAC CE或PDCP控制信息指示所述第一网络设备使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
第三方面，本申请的实施例提供了一种通信装置，可包括：
发送单元，用于基于第一通信配置向第一网络设备发送第二通信配置对应的指示信息，接收单元，用于接收所述第一网络设备发送的第一确认信息，所述发送单元还用于基于所述第二通信配置向所述第一网络设备发送接入通知消息；
或者，所述发送单元用于基于所述第一通信配置向所述第一网络设备发送接入通知消息，所述接收单元还用于接收所述第一网络设备发送的第二确认信息，所述发送单元和所述接收单元还用于基于第二通信配置与所述第一网络设备进行通信。
在一种可能的实现方式中，所述第二通信配置是更新所述第一通信配置得到的。
在一种可能的实现方式中，所述第一通信配置和所述第二通信配置包括以下至少一项：
用于对数据加密和解密的秘钥；
发送信息的频段；
发送信息时的最大传输功率。
在一种可能的实现方式中，所述第一网络设备为主基站，所述目标小区为所述通信装置待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；所述接入通知消息为无线资源控制RRC重配置完成消息；
所述第二通信配置对应的指示信息用于指示所述通信装置切换的目标主辅小区；
所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
在一种可能的实现方式中，在所述通信装置基于双激活协议栈DAPS结合条件切换CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述第一网络设备所述通信装置的上行发送功率下降；
所述第二通信配置用于调整所述通信装置的上行发送功率。
在一种可能的实现方式中，所述第一网络设备为主基站，所述通信装置连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述通信装置切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
所述第二通信配置对应的指示信息用于指示所述通信装置切换的目标小区；
所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
在一种可能的实现方式中，在所述通信装置确定切换到所述目标小区至所述通信装置完成到所述目标小区的切换的过程中，所述通信装置向所述第一网络设备发送秘钥指示信息，所述秘钥指示信息用于指示所述第一网络设备使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
在一种可能的实现方式中，所述秘钥指示信息包含在所述通信装置向所述第一网络设备发送的数据包中；
或者，所述秘钥指示信息通过介质接入控制协议控制元素MAC CE或者分组数据汇聚协议 PDCP控制信息发送给所述第一网络设备。
在一种可能的实现方式中，所述MAC CE或PDCP控制信息指示所述通信装置使用的秘钥以及使用所述秘钥加密的数据包编号；
或者，所述MAC CE或PDCP控制信息指示所述通信装置使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
在一种可能的实现方式中，所述通信装置为一个终端。
第四方面，本申请的实施例提供了一种网络设备，可包括：
接收单元，用于接收终端基于第一通信配置发送的指示信息，所述指示信息与第二通信配置对应，发送单元，用于向所述终端发送第一确认信息，所述接收单元还用于接收所述终端基于所述第二通信配置发送的接入通知消息；
或者，所述接收单元用于接收所述终端基于所述第一通信配置发送的接入通知消息，所述发送单元用于向所述终端发送第二确认信息，所述第二确认信息用于触发所述终端基于所述第二通信配置与所述网络设备进行通信。
在一种可能的实现方式中，所述第二通信配置是更新所述第一通信配置得到的。
在一种可能的实现方式中，所述第一通信配置和所述第二通信配置包括以下至少一项：
用于对数据加密和解密的秘钥；
发送信息的频段；
发送信息时的最大传输功率。
在一种可能的实现方式中，所述网络设备为主基站，所述目标小区为所述终端待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为MCG配置；所述接入通知消息为RRC重配置完成消息；
所述第二通信配置对应的指示信息用于指示所述终端切换的目标主辅小区；
所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
在一种可能的实现方式中，在所述终端基于DAPS结合CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述网络设备所述终端的上行发送功率下降；
所述第二通信配置用于调整所述终端的上行发送功率。
在一种可能的实现方式中，所述网络设备为主基站，所述终端连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述终端切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
所述第二通信配置对应的指示信息用于指示所述终端切换的目标小区；
所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
在一种可能的实现方式中，在所述终端确定切换到所述目标小区至所述终端完成到所述目标小区的切换的过程中，所述发送单元还用于向所述终端发送秘钥指示信息，所述秘钥指示信息用于指示所述终端使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
在一种可能的实现方式中，所述秘钥指示信息包含在所述网络设备向所述终端发送的数据包中；
或者，所述秘钥指示信息通过MAC CE或者PDCP控制信息发送给所述终端。
在一种可能的实现方式中，所述MAC CE或PDCP控制信息指示所述网络设备使用的秘钥 以及使用所述秘钥加密的数据包编号；
或者所述MAC CE或PDCP控制信息指示所述网络设备使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
第五方面，提供了一种装置。本申请提供的装置具有实现上述方法方面中终端或网络设备行为的功能，其包括用于执行上述方法方面所描述的步骤或功能相对应的部件(means)。所述步骤或功能可以通过软件实现，或硬件(如电路)实现，或者通过硬件和软件结合来实现。
在一种可能的设计中，上述装置包括一个或多个处理器和通信单元。所述一个或多个处理器被配置为支持所述装置执行上述方法中终端相应的功能。例如，确定是否要接入小区，指示发送单元基于第一通信配置向网络设备发送第二通信配置对应的指示信息等。所述通信单元包括发送单元和接收单元，用于支持所述装置与其他设备通信，实现发送和/或接收功能。例如，向第一网络设备发送指示信息，接收第一网络设备发送的第一确认信息，向第一网络设备发送接入通知消息等。
可选的，所述装置还可以包括一个或多个存储器，所述存储器用于与处理器耦合，其保存装置必要的程序指令和/或数据。所述一个或多个存储器可以和处理器集成在一起，也可以与处理器分离设置。本申请并不限定。
所述装置可以为智能终端或者可穿戴设备等，所述通信单元可以是收发器，或收发电路。可选的，所述收发器也可以为输入/输出电路或者接口。
所述装置还可以为通信芯片。所述通信单元可以为通信芯片的输入/输出电路或者接口。
另一个可能的设计中，上述装置，包括收发器、处理器和存储器。该处理器用于控制收发器或输入/输出电路收发信号，该存储器用于存储计算机程序，该处理器用于运行存储器中的计算机程序，使得该装置执行第一方面或第一方面中任一种可能实现方式中终端完成的方法。
在一种可能的设计中，上述装置包括一个或多个处理器和通信单元。所述一个或多个处理器被配置为支持所述装置执行上述方法中第一网络设备相应的功能。例如，当接收到终端发送的指示信息后，指示发送单元向终端发送第一确认信息等。所述通信单元用于支持所述装置与其他设备通信，实现接收和/或发送功能。例如，接收终端发送的指示信息，向终端发送第一确认信息，以及接收终端发送的接入通知消息等。
可选的，所述装置还可以包括一个或多个存储器，所述存储器用于与处理器耦合，其保存装置必要的程序指令和/或数据。所述一个或多个存储器可以和处理器集成在一起，也可以与处理器分离设置。本申请并不限定。
所述装置可以为基站，主基站、gNB或TRP等，所述通信单元可以是收发器，或收发电路。可选的，所述收发器也可以为输入/输出电路或者接口。
所述装置还可以为通信芯片。所述通信单元可以为通信芯片的输入/输出电路或者接口。
另一个可能的设计中，上述装置，包括收发器、处理器和存储器。该处理器用于控制收发器或输入/输出电路收发信号，该存储器用于存储计算机程序，该处理器用于运行该存储器中的计算机程序，使得该装置执行第二方面或第二方面中任一种可能实现方式中第一网络设备完成的方法。
第六方面，提供了一种系统，该系统包括上述终端和第一网络设备。
第七方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序包括用于执行第一方面或第一方面中任一种可能实现方式中的方法的指令。
第八方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序包括用于执行第二方面或第二方面中任一种可能实现方式中的方法的指令。
第九方面，提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序代码，当所述计算机程序代码在计算机上运行时，使得计算机执行上述第一方面或第一方面中任一种可能实现方式中的方法。
第十方面，提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序代码，当所述计算机程序代码在计算机上运行时，使得计算机执行上述第二方面及第二方面中任一种可能实现方式中的方法。
第十一方面，提供了一种芯片，包括一个或多个处理电路，其中，所述一个或多个处理电路用于实现上述第一方面或第一方面中任一种可能实现方式中的方法。
第十二方面，提供了一种芯片，包括一个或多个处理电路，其中，所述一个或多个处理电路用于实现上述第二方面及第二方面中任一种可能实现方式中的方法。
附图说明
为了更清楚地说明本申请实施例或背景技术中的技术方案，下面将对本申请实施例或背景技术中所需要使用的附图进行说明。
图1为本申请实施例提供的一种通信系统的架构示意图；
图2为本申请实施例提供的一种接入小区的方法的流程示意图；
图3为本申请实施例提供的另一种分配资源的方法的流程示意图；
图4为本申请实施例提供的CPAC场景下一种接入小区的方法的流程示意图；
图5为本申请实施例提供的CPAC场景下一种接入小区的方法的流程示意图；
图6为本申请实施例提供的DAPS结合CHO场景下一种接入小区的方法的流程示意图；
图7为本申请实施例提供的多连接场景下由辅基站触发的一种接入小区的方法的流程示意图；
图8为本申请实施例提供的CPAC场景下的一种接入小区的方法的流程示意图；
图9为本申请实施例提供的一种通信装置的组成示意图；
图10为本申请实施例提供的另一种通信装置的组成示意图；
图11为本申请实施例提供的一种网络设备的组成示意图；
图12为本申请实施例提供的另一种网络设备的组成示意图。
具体实施方式
下面结合本申请实施例中的附图对本申请的实施例进行描述。
本申请的说明书和权利要求书及上述附图中的术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
请参照图1，为本申请实施例提供的一种通信系统的架构示意图。其中，可以包括终端10、第一网络设备20以及可选的第二网络设备30。
其中，终端10是一种具有无线收发功能的设备，终端设备可以部署在陆地上，包括室内或室外、手持或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气 球和卫星上等)。所述终端可以是手机(mobile phone)、平板电脑(pad)、带无线收发功能的电脑设备、虚拟现实(virtual reality，简称VR)终端设备、增强现实(augmented reality，简称AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self driving)中的无线终端设备、远程医疗(remote medical)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备、智慧家庭(smart home)中的无线终端设备，以及还可以包括用户设备(user equipment，简称UE)等。
第一网络设备20和第二网络设备30均为网络设备，网络设备是无线网络中的设备，例如将终端设备接入到无线网络的无线接入网(radio access network，简称RAN)节点。目前，一些RAN节点的举例为：gNB、传输接收点(transmission reception point，简称TRP)、演进型节点B(evolved Node B，简称eNB)、无线网络控制器(radio network controller，简称RNC)、节点B(Node B，简称NB)、基站控制器(base station controller，简称BSC)、基站收发台(base transceiver station,简称BTS)、家庭基站(例如，home evolved NodeB，或home Node B，简称HNB)、基带单元(base band unit，简称BBU)，或无线保真(wireless fidelity，简称Wifi)接入点(access point，简称AP)、接入回传一体化(integrated access and backhaul，简称IAB)等。在一种网络结构中，网络设备可以包括集中单元(centralized unit，简称CU)节点、或分布单元(distributed unit，简称DU)节点、或包括CU节点和DU节点的RAN设备。在一种网络结构中，集中单元CU节点可以划分为控制面(CU-CP)和用户面(CU-UP)。其中CU-CP负责控制面功能，主要包含无线资源控制(Radio Resource Control，RRC)和分组数据汇聚协议-控制面(Packet Data Convergence Protocol control panel，简称PDCP-C)。PDCP-C主要负责控制面数据的加解密，完整性保护，数据传输等。CU-UP负责用户面功能，主要包含服务数据适配协议(Service Data Adaptation Protocol，简称SDAP)和分组数据汇聚协议-用户面(Packet Data Convergence Protocol control panel user panel，简称PDCP-C)。其中SDAP主要负责将核心网的数据进行处理并将flow映射到承载。PDCP-U主要负责数据面的加解密，完整性保护，头压缩，序列号维护，数据传输等。其中CU-CP和CU-UP通过E1接口连接。CU-CP代表CU通过Ng接口和核心网连接。通过F1-C(控制面)和DU连接。CU-UP通过F1-U(用户面)和DU连接。当然还有一种可能的实现是PDCP-C也在CU-UP。
在本申请实施例中，终端10由于位置变化或者原来接入的小区信道质量变化等原因，可以接入到其他的小区。本申请涉及在不同通信场景下终端接入小区的不同流程，以下将做介绍。
在多空口双连接(Multi-Radiodual connectivity，简称MR-DC)的场景下，一个终端可能和多个基站通信，这多个基站中包括一个主基站(master node，简称MN)和一个激活的辅基站(secondary node，简称SN)，其中，控制面连接建立在主基站和核心网之间；而数据面连接可以建立在主基站和核心网之间，和/或，建立在辅基站与核心网之间。主基站和辅基站的通信制式可以相同也可以不同，例如主基站是eNB且辅基站是gNB，或者，主基站和辅基站都是gNB。MR-DC可以简称为DC。DC也可以被理解为属于多连接(multiple connection，简称MC)的一种类型，在MC的场景中，终端可以接入主基站和至少一个辅基站，也就是说，除了上述DC的场景，终端可以接入主基站以及两个或两个以上辅基站。
在DC场景中，主基站管理一个主小区，辅基站管理一个主辅小区。当终端需要切换主辅小区或者接入到新的主辅小区时，可以触发条件主辅小区(primary secondary cell，简称PSCell)增加和改变(conditional pscell addition&change，简称CPAC)的流程，以实 现终端接入到新的主辅小区的目的。网络侧(如主基站或辅基站)事先配置多个候选的PSCell，网络侧会通知终端这些候选PSCell的配置以及每个候选PSCell对应的增加或改变的条件，后续当终端判断这个条件满足了，终端就直接接入到满足条件的候选PScell。采用CPAC，无需等待终端上报测量报告之后再下发新的PSCell配置给终端，因此可以用于缩短增加或改变PSCell所需的时延，此外，针对例如辅基站触PCell改变的场景，避免PSCell信号质量快速改变时，无法通过信令无线承载(signalling radio bearer，简称SRB)3上报测量报告和下发重配消息，从而提高了PSCell改变的鲁棒性。
在MC场景中，终端可以连接一个主基站以及至少两个辅基站，网络侧(如主基站或辅基站)会配置多个候选的辅基站，通过主基站下发给终端，但是终端并不会去判断是否触发辅基站的改变而是等待网络侧的指示信息，当终端接收到网络侧让其向某个候选的辅基站接入或切换时，且可以由主基站或辅基站触发终端进行辅基站的接入或切换以实现目标小区的接入或切换。其中，辅基站的改变包括辅基站的增加以及切换，辅基站的增加表示终端接入一个新的辅基站，接入之后，终端接入的基站数目增加1个；辅基站的切换表示终端从一个辅基站切换到另一个辅基站，切换之后，终端接入的基站数目没有变化。
在单连接场景中的切换过程中，提出了一种双激活协议栈(Dual Active Protocol Stack，简称DAPS)的切换方式，可以实现0ms移动中断时延的要求(要求上行、下行均做到0ms或接近0ms中断)。该切换方式包括：源小区给终端发送切换消息后，可以与目标小区之间进行数据转发。在切换过程中，源小区和终端之间的数据传输不中断，目标小区和源小区可以都给终端发送下行数据，从而缩减数据传输的中断时间。当终端完成在目标小区的接入后，且在接收到目标小区发送的释放终端和源小区之间的连接的释放消息之前，终端继续和源小区进行数据传输(包括上行和/或下行数据传输)；当终端接收到目标小区发送的用于释放终端和源小区之间的连接的释放消息后，终端释放其与源小区的连接。并由目标小区发切换成功消息告知源小区切换完成；源小区收到切换成功消息后，停止源小区与终端的上行/下行数据传输，并将最后一个数据传输序列号发给目标小区。
另外，在条件切换(Conditional Handover，简称CHO)过程中，源小区在源链路质量较好时向终端发送CHO配置信息，CHO配置信息中可以包括CHO触发条件和一个或多个候选小区的信息，其中候选小区的信息可以包括候选小区的小区全球标识(cell global identifier，简称CGI)，或者，候选小区的物理小区标识(physical cell identifier，简称PCI)以及候选小区对应的频率信息。终端在接收到该CHO配置信息后，根据该CHO配置信息判断候选小区是否满足CHO触发条件，将满足CHO触发条件的某候选小区作为目标小区。然后，终端与确定出的目标小区进行随机接入过程，当随机接入成功完成，终端给目标小区发送RRC消息(如RRC重配置完成消息)，通知目标小区条件切换完成。CHO的触发是由终端决定的，在CHO开始切换到切换成功之间源小区是无感知的。
通过结合上述DAPS和CHO，终端可以根据CHO配置的触发条件实现低时延甚至零时延的小区切换。
结合图1所示，例如终端10原来接入第一网络设备20管理的小区，在DAPS结合CHO的场景中，当满足CHO的触发条件时，终端可以根据触发条件切换到第二网络设备30管理的小区，或者切换到第一网络设备20管理的其他小区；又例如，在DC场景中，第一网络设备20为主基站，第二网络设备30可以为新增的辅基站或终端当前已接入的辅基站，当满足CPAC的触发条件时，终端可以接入新增的第二网络设备20管理的主辅小区或者切换到其他辅基站如第三网络设备(图1未示)管理的主辅小区上；又例如，在MC场景中，当第二网络设备 20作为辅基站指示终端10进行小区切换时，终端10可以切换到其他的辅基站如第三网络设备(图1未示)管理的小区或者接入新增的其他辅基站如第三网络设备管理的小区。但是，在这些过程中，都可能存在终端10与第一网络设备20之间的通信配置不匹配的问题，导致二者之间的信息传输出错。因此，需要一种方法来提升信息传输的可靠性。下面将对本申请接入小区的方法进行详细说明。
请参见图2，图2为本申请实施例提供的一种接入小区的方法的流程示意图，该方法可以由终端或者用于终端的装置例如芯片执行，以下以终端执行该方法为例进行说明。
该方法包括如下步骤：
S201.终端确定接入目标小区。
可选地，接入目标小区包括进行单连接场景、双连接场景以及多连接场景下的小区切换，还包括单连接场景切换到双连接场景、双连接场景以及多连接场景下接入当前通信系统内新增的一个小区，例如在双连接场景或多连接场景的CPAC流程中，就包括了PSCell的增加和切换。
可选地，终端确定接入目标小区可以由第一网络设备如基站将小区切换的条件以及备选的各个目标小区的信息发送给终端。当终端检测到满足小区切换的条件时，终端便可以确定要切换到的目标小区；例如在双连接场景中，终端可以根据CPAC的触发条件触发接入目标小区；又例如在DAPS结合CHO的场景中，终端可以根据CHO的触发条件触发接入目标小区。
或者，也可以由第一网络设备或其他网络设备指示终端进行切换，此时，终端将接收切换到所述目标小区的切换指示信息，从而确定切换到目标小区。例如在多连接场景中，可以由主基站或辅基站向终端发送切换指示信息，指示终端切换到目标小区。
S202.终端基于第一通信配置向第一网络设备发送第二通信配置对应的指示信息。
可选地，所述指示信息可以是一条消息或一个信令。
指示信息可以指示终端要接入的目标小区，也可以指示终端要更新的通信配置。指示信息与第二通信配置的对应关系可以包括：指示信息指示目标小区，且目标小区采用第二通信配置。第一网络设备接收到指示信息后可以确定目标小区是哪个，然后确定目标小区对应的第二通信配置。或者，指示信息与第二通信配置的对应关系也可以包括：指示信息指示通信配置标识，且通信配置标识指示第二通信配置，即终端可以通知第一网络设备要更新到哪个通信配置，第一网络设备根据该通信配置的标识确定终端要切换的目标小区及对应的第二通信配置。或者，在DAPS结合CHO的场景下，由于终端在切换过程中会同时和源小区和目标小区存在信息传输，则指示信息可以指示终端要切换的目标小区或者通知源小区调整终端的上行发送功率，可选地，还可以通知源小区该终端上行发送功率降低的幅度、MCS或MIMO层数等。源小区所属的基站收到该指示信息后，便可以根据指示信息将第一通信配置更新为第二通信配置，由于第二通信配置是根据指示信息中携带的内容确定的，因此二者存在对应关系。
其中，第一通信配置为终端未确定接入目标小区之前使用的通信配置，该通信配置与第一网络设备使用的通信配置相同。所述第一通信配置中包括一个或多个用于终端与第一网络设备之间通信的配置参数如秘钥、发送信息的频段、发送信息时的最大传输功率等。可选地，还可以包括MCS、MIMO层数等调度相关的参数。关于第二通信配置包含的配置参数类型与第一通信配置类似，不做赘述。
其中，秘钥用于两个设备对传输的数据进行加密和解密；发送信息的频段用于为终端和第一网络设备之间的信息传输提供频谱资源，使得二者的通信不受其他频段的信号干扰；发送信息时的最大传输功率则用于调整上行发送信息时终端侧的发送功率；MCS用于配置终端 和第一网络设备之间信息传输时的调制和编码方案；MIMO层数用于配置终端和第一网络设备之间信息传输时多输入多输出的层数，提升频谱利用率。
终端确定进行小区切换后，一般会立即使用与目标小区对应的第二通信配置，第二通信配置通常与第一通信配置不同，即上述的各种参数中如秘钥、发送信息的频段和发送信息时的最大传输功率等至少包括一项不同。从而导致终端与第一网络设备之间的通信配置不匹配。在本申请实施例中，终端在确定接入目标小区后，将使用第一通信配置向第一网络设备发送第二通信配置对应的指示信息，通知第一网络设备终端将要接入的目标小区。这样第一网络设备在收到该指示信息之后，便可以确定与目标小区对应的第二通信配置并在收到指示信息后使用第二通信配置。从而实现在小区接入的过程中，终端与第一网络设备均使用第二通信配置进行通信直到小区接入完成。
S203.终端接收所述第一网络设备发送的第一确认信息。
第一确认信息用于通知终端，基站已收到指示信息。
第一确认信息可以是确认(confirm)消息或响应(response)消息或应答(acknowledgement，ack)消息等。
S204.终端基于所述第二通信配置向所述第一网络设备发送接入通知消息。
当终端收到第一网络设备的第一确认信息之后，便可以开始使用第二通信配置向第一网络设备发送接入通知消息。此时，由于第一网络设备已经开启第二通信配置的使用，因此第一网络设备可以正常接收到终端发送的信息。
可选地，在步骤S204之后，终端基于所述第二通信配置与所述第一网络设备进行通信。
其中，所述第二通信配置是更新所述第一通信配置得到的。
当终端或第二网络设备要将第一通信配置更新为第二通信配置时，可以直接激活第二通信配置并使用，或者，也可以将第一通信配置中的参数进行修改，例如修改发送信息时的最大传输功率等然后激活修改后的参数，完成第一通信配置更新为第二通信配置的过程。
在本申请实施例中，在第一网络设备使用第一通信配置时，终端也使用第一通信配置，发送一个指示信息来通知第一网络设备将要接入的小区，使得第一网络设备可以确定目标小区相匹配的第二通信配置，在小区接入的后续流程中，终端和第一网络设备都可以使用第二通信配置进行通信，终端与第一网络设备的通信配置不匹配导致信息传输出错的问题，提高了终端与第一网络设备之间传输信息的可靠性，提升了小区接入的效率和整个系统的工作效率。
请参见图3，图3为本申请实施例提供的另一种接入小区的方法的流程示意图；具体包括如下步骤：
S301.终端确定接入目标小区。
S302.终端基于第一通信配置向第一网络设备发送接入通知消息。
终端在确定接入目标小区之后，通常会直接使用与目标小区对应的第二通信配置。而此时第一网络设备仍然在使用第一通信配置，从而导致二者的通信配置不匹配。在本申请实施例中，终端在确定接入目标小区之后，可以先不使用第二通信配置，而是继续使用第一通信配置向第一网络设备发送接入通知消息。这样，第一网络设备仍然能使用第一通信配置正常的接收终端发送的信息。
S303.终端接收所述第一网络设备发送的第二确认信息。
第二确认信息用于通知终端，第一网络设备已经知道终端要接入其他小区。此时第一网络设备也可以开始使用第二通信配置。
S304.终端基于所述第二通信配置与所述第一网络设备进行通信。
接收到第一网络设备第二确认信息之后，终端便可以将当前使用的第一通信配置切换或更新或直接使用第二通信配置来与第一网络设备进行通信。
在本申请实施例中，终端在确定接入目标小区之后，不立即使用与目标小区对应的第二通信配置来发送接入通知消息，而是在第一网络设备使用第一通信配置时，终端也使用第一通信配置来发送接入通知消息，在接收到第一网络设备发送的第二确认信息之后，再使用第二通信配置与第一网络设备进行通信，此时第一网络设备在接收到接入通知消息后也已经开始使用第二通信配置。从而避免了在发送接入通知消息时，终端与第一网络设备的通信配置不匹配导致信息传输出错的问题，提高了终端与第一网络设备之间传输信息的可靠性，提升了小区接入的效率和整个系统的工作效率。
在图2-图3所示实施例的基础上，以下将通过图4-图8所示的实施例，从终端和第一网络设备交互信息的角度，结合具体场景对本申请中接入小区的方法进行详细说明。
请参见图4，图4为本申请实施例提供的CPAC场景下一种接入小区的方法的流程示意图；
在CPAC场景下，图2中所示的第一网络设备为主基站，目标小区为终端待切换的目标主辅小区或者为待接入的新增目标主辅小区，且目标小区为辅基站管理的小区，第一通信配置和第二通信配置为MCG配置，在终端接入目标主辅小区的过程中，会存在终端与主基站之间的MCG配置不匹配的问题。以下将以CPAC场景下结合图2所示实施例，对本申请提供的接入小区的方法进行说明。该方法包括：
S401.主基站向第一辅基站发送辅基站增加请求(SN addition request)。
S402.主基站接收第一辅基站发送的辅基站增加请求应答(SN addition request ack)。
S403.主基站向第二辅基站发送辅基站增加请求。
S404.主基站接收第二辅基站发送的辅基站增加请求应答。
需要说明的是，在多连接的场景下，辅基站的数目可以是大于一个，当辅基站的数目大于一个时，此时主基站可以向各个辅基站发送步骤S401中的请求，并接收各个辅基站的响应。为了便于描述，图4中仅示出两个辅基站。
主基站通过向一个或多个辅基站发送辅基站增加请求。可以向这些辅基站请求获取CPAC的信息如每个辅基站对应的CPAC的触发条件、主辅小区的通信配置如主辅小区对应的MCG配置和SCG配置等。
S405.终端接收主基站发送的RRC重配置(RRC Reconfiguration)消息。其中，RRC重配置消息中包括了上述多个辅基站对应的CPAC的触发条件及主辅小区的通信配置。
S406.终端检测到第一辅基站对应的CPAC的触发条件满足。从而，终端可以确定要接入的目标小区为第一辅基站管理的目标主辅小区。
该步骤可以参考图2中步骤S201。
在本实施例中，终端将增加第一辅基站管理的小区为主辅小区或从源主辅小区切换到第一辅基站管理的目标主辅小区。
如果终端切换到第一辅基站管理的目标主辅小区，则会与源主辅小区断开连接。
S407.终端基于第一通信配置向主基站发送指示信息。
该步骤可以参考图2中步骤S202。
该指示信息用于指示所述终端添加或待切换的目标主辅小区为第一辅基站管理的主辅小区。当属于添加主辅小区时，第一通信配置为终端处于单连接状态时主基站对应使用的MCG配置；当属于切换主辅小区时，第一通信配置为与源主辅小区对应的MCG配置。可选地，第 一通信配置还可以包括SCG配置，SCG配置中包含的参数种类与MCG类似，此处不再赘述。
由于与目标主辅小区对应的MCG配置主基站在步骤S401-步骤S404的过程中已经知晓，因此当终端向主基站发送该指示信息后，主基站便能确定使用与目标主辅小区对应的MCG配置。
MCG配置中可以包括但不限于用于对数据加密和解密的秘钥，发送信息的频段，发送信息时的最大传输功率，MCS，MIMO的层数等，具体描述请见前述实施例中的介绍，此处不再赘述。
可选地，所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
指示信息的发送方式可以如下：
方式一：终端可以向主基站发送一个RRC消息，指示满足触发增加PSCell的条件，并且指示是哪一个PSCell(例如可以是目标主辅小区的标识，也可以是与所述目标主辅小区对应的MCG配置信息的标识)。可选的，也可以由RRC层通知PHY或者MAC CE去发送这个指示消息，这样在流程上更快。
方式二：终端可以向主基站发起一个随机接入(Random Access Channel，简称RACH)的过程，主基站会为不同的PSCell配置不同的前导码(preamble)。然后主基站可以通过终端发起RACH所使用的RACH资源来判断终端所要切换的PSCell。需要注意的是，PSCell与preamble的映射关系可以在S405中为终端配置，之后终端只需要向主基站发送一个preamble就可以了。RACH过程可能由MAC层触发，也可能由RRC层触发，此处不做限制。
S408.主基站向终端发送第一确认信息。
该步骤可以参考图2中步骤S203。
其中，所述第一确认信息可以是一个确认消息，例如，针对方式一，主基站可以向终端回复RRC确认消息，或者通过PHY或者MAC层回复一个确认消息。对于方式二，主基站可以向终端回复一个随机接入响应消息，或者也可以回复一个确认消息。本申请实施例不做任何限定。
S409.主基站切换为或更新为或直接使用第二通信配置。第二通信配置为与目标主辅小区对应的MCG配置。可选地，第二通信配置还可以SCG配置。
S410.终端切换为或更新为或直接使用第二通信配置。
S411.终端基于第二通信配置向主基站发送RRC重配置完成消息。该步骤对应于图2中步骤S204。RRC重配置完成消息中包括终端用于通知第一辅基站的SN RRC重配置完成消息。
在该步骤中，由于终端与主基站此时都使用第二通信配置，因此不会存在MCG不匹配的问题。
S412.主基站将SN RRC重配置完成消息发送给第一辅基站。
在步骤S412之后，主基站与终端之间发送和接收信令以及数据传输都不会再有MCG配置不匹配的问题。
请参见图5，图5为本申请实施例提供的CPAC场景下另一种接入小区的方法的流程示意图；在该场景下，图3中所示的第一网络设备为主基站，目标小区为终端待切换的目标主辅小区或者为待接入的新增目标主辅小区，且目标小区为辅基站管理的小区，第一通信配置和第二通信配置为MCG配置。以下将以CPAC场景下结合图3所示实施例，对本申请提供的接入小区的方法进行说明，其中，步骤S501-步骤S506与图4中步骤S401-步骤S406相同，此处不再赘述，在步骤S506之后，还包括如下步骤：
S507.终端保持使用第一通信配置，当属于添加主辅小区时，第一通信配置为与终端处于单连接状态时主基站对应使用的MCG配置；当属于切换主辅小区时，第一通信配置为与源主辅小区对应的MCG配置。可选地，第一通信配置还可以包括SCG配置。
S508.终端基于第一通信配置向主基站发送RRC重配置完成消息。该步骤对应于图3中步骤S302。RRC重配置完成消息中包括终端用于通知第一辅基站的SN RRC重配置完成消息。
S509.主基站向第一辅基站发送SN RRC重配置完成消息，通知第一辅基站终端要接入第一辅基站的主辅小区。
S510.终端切换为或更新为或直接使用第二通信配置。第二通信配置为与目标主辅小区对应的MCG配置。可选地，第二通信配置还可以包括SCG配置。
S511.终端与第一辅基站完成目标主辅小区的切换。
关于向切换主辅小区的具体过程，本申请不做赘述，例如可以参考3GPP通信协议中描述的任意一种实现方式。
S512.主基站切换为或更新为或直接使用第二通信配置。
即当终端与目标主辅小区完成了主辅小区添加或切换的过程后，主基站可以根据切换的主辅小区更新相应的MCG配置。
在另一种可能的实现方式中，步骤S512的流程也可以在步骤S508之后执行，本申请实施例不作任何限定。
请参见图6，图6为本申请实施例提供的DAPS结合CHO场景下一种接入小区的方法的流程示意图；
在DAPS结合CHO的场景下，虽然能够保证CHO的0毫秒切换，但是由于在切换小区的过程中，终端将同时和源小区和目标小区进行数据传输，但由于终端能力的限制，其对应于每一个小区的功率会减少，这会导致终端的上行传输能力降低。由于在切换过程中源小区是不感知的，所以源小区并不知道终端对于它的发送功率降低了，如果在这个过程中，源小区还让终端发送很多数据的话，会导致大量的数据传输错误。因此可以在该场景下使用本申请如图2或图3所示实施例中所述的一种接入小区的方法，由于基站可以管理多个小区，因此源小区和目标小区可以属于同一个基站管理，也可以属于不同的基站管理，在本实施例中，以源小区和目标小区位于不同的基站为例进行说明，当二者位于相同的基站时，将“源基站”替换为“源小区”，“目标基站”替换为“目标小区”即可。以下将以DAPS结合CHO的场景，结合图2所示实施例，对本申请提供的接入小区的方法进行说明。该方法包括如下步骤：
S601.源基站向第一目标基站发送切换请求(handover request，HO request)。
S602.第一目标基站向源基站发送切换请求应答(handover request acknowledge，HO request ack)。
S603.源基站向第二目标基站发送切换请求。
S604.第二目标基站向源基站发送切换请求应答。
需要说明的是，目标基站的数目可以是一个或多个，当目标基站的数目大于一个时，此时源基站可以向各个目标基站发送步骤S601中的请求，并接收各个目标基站的响应。为了便于描述，图6中仅示出两个目标基站。
源基站通过向一个或多个目标基站发送切换请求。可以向这些目标基站请求获取CHO的信息如每个目标基站对应的CHO的触发条件、目标小区的通信配置如目标小区对应的上行传输功率等。
S605.终端接收源基站发送的DAPS结合CHO的配置消息。其中，配置消息中包括了上述 多个目标基站对应的CHO的触发条件及目标小区的通信配置。
S606.终端检测到第一目标基站对应的CHO的触发条件满足。从而，终端确定要接入的目标小区为第一目标基站管理的目标小区。
该步骤可以参考图2中步骤S201。
在本实施例中，将切换到第一目标基站管理的目标小区。
S607.终端基于第一通信配置向源基站发送指示信息。该步骤对应于图2中步骤S203。第一通信配置为终端未发起小区切换仅与源基站存在数据传输时使用的通信配置，包括发送信息时的最大传输功率，还可以包括MCS或MIMO的层数等调度相关的参数。所述指示信息用于通知源基站终端的上行发送功率下降。可选地，指示信息还可以指示终端上行功率下降的幅度或终端当前的最大上行传输功率等。
S608.源基站向终端发送第一确认信息。
该步骤可以参考图2中步骤S203。
可选地，源基站根据指示信息调整第一通信配置为第二通信配置，包括：根据上行发送功率下降的情况调整终端的上行发送功率，可选地，源基站还可以调整MCS、MIMO层数等调度相关的参数以及数据传输的数量。
若源基站仅根据终端上行发送功率的变化情况调整了上行发送功率，则终端侧可以不进行通信配置的调整，可以根据自身当前能力进行信息传输。
S609.终端与目标基站进行目标小区的切换过程中，终端与源基站保持连接。
具体的切换过程可以参见现有协议中描述的任意一种实现方式，此处不再赘述。
具体地，从该切换过程开始到完成，终端始终与源基站保持连接，也就是说，直到终端切换到目标小区，终端不断开与源基站的连接。
需要说明的是，在CHO的单一场景中，CHO的触发终端通常不会通知源基站。如果在DAPS结合CHO的场景中，需要通知源基站的话，则可以参照图5所示实施例的方法，终端使用第一通信配置发送接入通知消息，再将第一通信配置切换为或更新为第二通信配置，从而终端通过第二通信配置与主基站进行通信。此处不再赘述。
请参见图7，图7为本申请实施例提供的多连接场景下由辅基站触发的一种接入小区的方法的流程示意图。在多连接场景下，网络侧(如主基站或辅基站)可以配置多个候选的辅基站，通过主基站下发给终端，但是终端并不会去判断是否触发辅基站的改变，而是等待网络侧(如主基站或辅基站)的指示信息，当终端接收到网络侧让其添加某个候选的辅基站或切换到某个候选的辅基站时，终端会马上更新与该辅基站对应的MCG配置与SCG的配置。网络侧的切换指示信息可能是主基站发送的也可能是辅基站发送的。当终端连接的至少一个辅基站中的第一辅基站触发终端切换到目标小区时，主基站并不知道终端已经发生切换且MCG配置发生变化了，因此会存在主基站与终端之间MCG配置不匹配的问题。以下将以上述辅基站触发的辅基站改变的场景，结合图2所示实施例，对本申请提供的接入小区的方法进行说明。该方法包括如下步骤：
S701.主基站向目标辅基站发送辅基站增加请求。
S702.目标辅基站向主基站发送辅基站增加请求应答。
需要说明的是，目标辅基站的数目可以是一个或多个，当目标辅基站的数目大于一个时，此时主基站可以向各个目标辅基站发送步骤S701中的请求，并接收各个目标辅基站的响应。为了便于描述，图7中仅示出一个目标辅基站。
主基站通过向一个或多个目标辅基站发送辅基站增加请求。可以向这些目标辅基站请求 获取每个目标基站管理的目标小区的通信配置如目标小区对应的通信配置如MCG配置、SCG配置等。
S703.终端接收主基站发送的RRC重配置消息。其中，RRC重配置消息中包括了上述多个目标辅基站对应的目标小区的通信配置。
S704.终端接收源辅基站发送的切换指示。从而，终端可以确定要接入的目标小区。
该步骤可以参考图2中步骤S201。
可选地，切换指示也可以由其他的辅基站发送。
S705.终端基于第一通信配置向主基站发送指示信息。
该步骤可以参考图2中步骤S202。
所述指示信息用于指示所述终端切换的目标小区。
第一通信配置的描述请参见图4所示实施例中的描述，此处不再赘述。
所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
S706.主基站向终端发送第一确认信息。
该步骤可以参考图2中步骤S203。
S707.主基站切换为或更新为或直接使用第二通信配置。第二通信配置为与目标小区对应的MCG配置。可选地，第二通信配置还可以包括SCG配置。
S708.终端切换为或更新为或直接使用第二通信配置。
S709.终端与目标辅基站完成切换过程。
关于向目标辅基站切换的具体过程，本申请不做赘述，例如可以参考3GPP通信协议中描述的任意一种实现方式。
S710.终端基于第二通信配置向主基站发送切换成功消息。该消息可以是RRC重配置完成消息，也可能是其他消息，本申请实施例不做任何限定。
需要说明的是，在双连接或者多连接的场景中，若需要结合图3所述的接入小区的方法来完成小区切换，对应步骤S302，如果终端需要向主基站发送接入通知消息的话，则可以参照图3及图5所示实施例的方法，终端先使用第一通信配置发送接入通知消息，在终端与目标辅基站完成切换之后，对应于图3步骤S303之后，终端再将第一通信配置切换为或更新为或直接使用第二通信配置，后续终端通过第二通信配置与主基站进行通信。此处不再赘述。
此外，在用户面，由于用于数据包加密的模块在终端单连接状态时位于主基站，而在终端双连接或多连接状态时，用于加密的模块即PDCP实体可能从主基站变到辅基站，而反之，也可能从辅基站变到主基站。所以会导致，主基站在用旧的秘钥发数据，但是辅基站在用新的秘钥接收数据，所以会导致在主基站更新秘钥配置之前终端都无法正常的接收数据。为了解决该问题，请参见图8，图8为本申请实施例提供的CPAC场景下的一种小区接入的方法的流程示意图。该方法可包括如下步骤：
S801.终端确定满足CPAC的触发条件。
S802.终端向主基站发送秘钥指示信息，所述秘钥指示信息用于指示所述主基站使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
对应地，在主基站侧，主基站在向终端发送RRC重配置消息至接收终端发送的RRC重配置完成消息的过程中，也可以向终端发送秘钥指示信息。
当属于添加主辅小区时，第一通信配置为与终端处于单连接状态时主基站对应使用的MCG配置；当属于切换主辅小区时，第一通信配置为与源主辅小区对应的MCG配置。所述第二通信配置为与目标主辅小区对应的MCG配置。
S803.当所述终端和所述主基站均使用第二通信配置之后，停止发送所述秘钥指示信息。
可选地，所述秘钥指示信息包含在所述终端向所述第一网络设备发送的数据包中；
或者，所述秘钥指示信息通过介质接入MAC CE或者PDCP控制信息发送给所述第一网络设备。
可选地，所述MAC CE或PDCP控制信息指示所述终端使用的秘钥以及使用所述秘钥加密的数据包编号；
或者，所述MAC CE或PDCP控制信息指示所述终端使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
针对上述两种方式，发送端设备(此处为上行，终端为发送端设备，下行时主基站为发送端设备)需要确定数据包编号或预设时间段来进行预估，根据发送端设备的预估能力可以选择上述两种方式中的任意一种。预估数据包编号需要更高的能力，但在传输延时的情况下，使用数据包编号来进行指示可以获得更好的传输效果。使用预设时间段来进行指示对终端的能力要求更低，适合很多的设备使用。
秘钥指示信息可以是具体的秘钥，也可以是一个标识，例如可以用0代表使用第一通信配置中的秘钥，用1代表使用第二通信配置中的秘钥。
需要说明的是，上述秘钥指示的方式既可以用于现有的CPAC流程，也可以与本申请实施例中小区接入的方法配合使用，请一并参见图4和图8，在图4所示的实施例中，对于主基站接收上行数据来说，当终端确认了主基站已经收到指示信息并且更新了候选PSCell所对应的MCG配置即步骤S409之后，由于主基站已更新MCG配置，而终端还没完成MCG配置更新，在这个过程中，终端可以在步骤S409以及步骤S410之间的发送数据包加上秘钥指示信息。终端与主基站的秘钥不匹配的时间段在图4中S409-S410之间，所以时间比较短，所以发送秘钥指示信息的时间段包括这段时间即可。或者，也可以在步骤S406之后通过MAC CE或PDCP控制信息发送秘钥指示信息。
对于终端接收下行数据来说，图4步骤S410之后终端和主基站的通信配置是相同的，但是在步骤S406之后，以及在步骤S409主基站更新第二通信配置之前主基站已经发送了一些数据包，这些数据包用的是第一通信配置中的秘钥，所以终端收到的数据包也不知道到底是用第一通信配置中的秘钥还是用第二通信配置的秘钥加密过。所以，在主基站更新为第二通信配置后发送的数据包的包头中都可以携带一个秘钥指示信息，这样终端收到这些数据包时就知道该用哪种秘钥解密。或者，也可以在步骤S406之后通过MAC CE或PDCP控制信息发送秘钥指示信息。
当然，也可以默认携带秘钥指示就使用第二通信配置的秘钥解密，未携带秘钥指示就使用第一通信配置的秘钥解密。
请一并参见图5和图8，从图5中S510-S512,即终端更新MCG配置到主基站更新MCG配置期间，终端与主基站之间有一段时间的MCG不匹配的现象，所以在图5的S510-S512期间的上下行数据传输都可以携带秘钥指示信息。由于这段时间比图4中S409-S410的时间更长，因此采用秘钥指示的方式收获的增益更大，因为如果不携带秘钥指示信息的话，在图5的S510-S512期间发送的用户面数据包都无法成功被接收，会浪费这段时间的空口资源。
通过本申请实施例中的秘钥指示方法，可以使得接收端能够成功地接收数据，节约空口资源，提升了数据传输的效率和成功率。
请参照图9，图9为本申请实施例提供的一种通信装置的组成示意图；可包括：
发送单元100，用于基于第一通信配置向第一网络设备发送第二通信配置对应的指示信 息，接收单元200，用于接收所述第一网络设备发送的第一确认信息，所述发送单元100还用于基于所述第二通信配置向所述第一网络设备发送接入通知消息；
或者，所述发送单元100用于基于所述第一通信配置向所述第一网络设备发送接入通知消息，所述接收单元200用于接收所述第一网络设备发送的第二确认信息，所述发送单元100和所述接收单元200还用于基于第二通信配置与所述第一网络设备进行通信。
可选地，所述第二通信配置是更新所述第一通信配置得到的。
可选地，所述第一通信配置和所述第二通信配置包括以下至少一项：
用于对数据加密和解密的秘钥；
发送信息的频段；
发送信息时的最大传输功率。
可选地，所述第一网络设备为主基站，所述目标小区为所述通信装置待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；所述接入通知消息为无线资源控制RRC重配置完成消息；
所述第二通信配置对应的指示信息用于指示所述通信装置切换的目标主辅小区；
所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
可选地，在所述通信装置基于双激活协议栈DAPS结合条件切换CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述第一网络设备所述通信装置的上行发送功率下降；
所述第二通信配置用于调整所述通信装置的上行发送功率。
可选地，所述第一网络设备为主基站，所述通信装置连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述通信装置切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
所述第二通信配置对应的指示信息用于指示所述通信装置切换的目标小区；
所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
可选地，在所述通信装置确定切换到所述目标小区至所述通信装置完成到所述目标小区的切换的过程中，所述通信装置向所述第一网络设备发送秘钥指示信息，所述秘钥指示信息用于指示所述第一网络设备使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
可选地，所述秘钥指示信息包含在所述通信装置向所述第一网络设备发送的数据包中；
或者，所述秘钥指示信息通过介质接入控制协议控制元素MAC CE或者分组数据汇聚协议PDCP控制信息发送给所述第一网络设备。
可选地，所述MAC CE或PDCP控制信息指示所述通信装置使用的秘钥以及使用所述秘钥加密的数据包编号；
或者，所述MAC CE或PDCP控制信息指示所述通信装置使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
可选地，所述通信装置为一个终端。
该通信装置所涉及的与本申请实施例提供的技术方案相关的概念，解释和详细说明及其他步骤请参见前述方法或其他实施例中关于终端的内容的描述，此处不做赘述。
请参照图10，为本申请实施例提供的另一种通信装置的组成示意图；可以包括处理器110、存储器120和总线130。处理器110和存储器120通过总线130连接，该存储器120用于存 储指令，该处理器110用于执行该存储器120存储的指令，以实现如上图2-图8中终端对应执行的步骤。
进一步的，该通信装置还可以包括输入口140和输出口150。其中，处理器110、存储器120、输入口140和输出口150可以通过总线130相连。
处理器110用于执行该存储器120存储的指令，以控制输入口140接收信号，并控制输出口150发送信号，完成上述方法中通信装置执行的步骤。其中，输入口140和输出口150可以为相同或者不同的物理实体。为相同的物理实体时，可以统称为输入输出口。所述存储器120可以集成在所述处理器110中，也可以与所述处理器110分开设置。
作为一种实现方式，输入口140和输出口150的功能可以考虑通过收发电路或者收发的专用芯片实现。处理器110可以考虑通过专用处理芯片、处理电路、处理器或者通用芯片实现。
作为另一种实现方式，可以考虑使用通用计算机的方式来实现本申请实施例提供的基站。即将实现处理器110，输入口140和输出口150功能的程序代码存储在存储器中，通用处理器通过执行存储器中的代码来实现处理器110，输入口140和输出口150的功能。
该通信装置所涉及的与本申请实施例提供的技术方案相关的概念，解释和详细说明及其他步骤请参见前述方法或其他实施例中关于终端的描述，此处不做赘述。
请参照图11，为本申请实施例提供的一种网络设备的组成示意图；可包括：
接收单元300，用于接收终端基于第一通信配置发送的指示信息，所述指示信息与第二通信配置对应，发送单元400，用于向所述终端发送第一确认信息，所述接收单元300还用于接收所述终端基于所述第二通信配置发送的接入通知消息；
或者，所述接收单元300用于接收所述终端基于所述第一通信配置发送的接入通知消息，所述发送单元400用于向所述终端发送第二确认信息，所述第二确认信息用于触发所述终端基于所述第二通信配置与所述网络设备进行通信。
可选地，所述第二通信配置是更新所述第一通信配置得到的。
可选地，所述第一通信配置和所述第二通信配置包括以下至少一项：
用于对数据加密和解密的秘钥；
发送信息的频段；
发送信息时的最大传输功率。
可选地，所述网络设备为主基站，所述目标小区为所述终端待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为MCG配置；所述接入通知消息为RRC重配置完成消息；
所述第二通信配置对应的指示信息用于指示所述终端切换的目标主辅小区；
所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
可选地，在所述终端基于DAPS结合CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述网络设备所述终端的上行发送功率下降；
所述第二通信配置用于调整所述终端的上行发送功率。
可选地，所述网络设备为主基站，所述终端连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述终端切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
所述第二通信配置对应的指示信息用于指示所述终端切换的目标小区；
所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
可选地，在所述终端确定切换到所述目标小区至所述终端完成到所述目标小区的切换的过程中，所述发送单元还用于向所述终端发送秘钥指示信息，所述秘钥指示信息用于指示所述终端使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
可选地，所述秘钥指示信息包含在所述网络设备向所述终端发送的数据包中；
或者，所述秘钥指示信息通过MAC CE或者PDCP控制信息发送给所述终端。
可选地，所述MAC CE或PDCP控制信息指示所述网络设备使用的秘钥以及使用所述秘钥加密的数据包编号；
或者，所述MAC CE或PDCP控制信息指示所述网络设备使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
该网络设备所涉及的与本申请实施例提供的技术方案相关的概念，解释和详细说明及其他步骤请参见前述方法或其他实施例中关于第一网络设备的描述，此处不做赘述。
请参照图12，为本申请实施例提供的另一种网络设备的组成示意图；可以包括处理器210、存储器220和总线230。处理器210和存储器220通过总线230连接，该存储器220用于存储指令，该处理器210用于执行该存储器220存储的指令，以实现如上图2-图8中第一网络设备对应执行的步骤。
进一步的，该网络设备还可以包括、输入口240和输出口250。其中，处理器210、存储器220、输入口240和输出口250可以通过总线230相连。
处理器210用于执行该存储器220存储的指令，以控制输入口240接收信号，并控制输出口250发送信号，完成上述方法中第一网络设备执行的步骤。其中，输入口240和输出口250可以为相同或者不同的物理实体。为相同的物理实体时，可以统称为输入输出口。所述存储器220可以集成在所述处理器210中，也可以与所述处理器210分开设置。
作为一种实现方式，输入口240和输出口250的功能可以考虑通过收发电路或者收发的专用芯片实现。处理器210可以考虑通过专用处理芯片、处理电路、处理器或者通用芯片实现。
作为另一种实现方式，可以考虑使用通用计算机的方式来实现本申请实施例提供的终端。即将实现处理器210，输入口240和输出口250功能的程序代码存储在存储器中，通用处理器通过执行存储器中的代码来实现处理器210，输入口240和输出口250的功能。
该网络设备所涉及的与本申请实施例提供的技术方案相关的概念，解释和详细说明及其他步骤请参见前述方法或其他实施例中关于第一网络设备的描述，此处不做赘述。
本领域技术人员可以理解，为了便于说明，图10和图12中仅示出了一个存储器和处理器。在实际的控制器中，可以存在多个处理器和存储器。存储器也可以称为存储介质或者存储设备等，本申请实施例对此不做限制。
应理解，在本申请实施例中，处理器可以是中央处理单元(Central Processing Unit，简称CPU)，该处理器还可以是其他通用处理器、数字信号处理器(Digital Signal Processing，简称DSP)、专用集成电路(Application Specific Integrated Circuit，简称ASIC)、现成可编程门阵列(Field－Programmable Gate Array，简称FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。
该存储器可以包括只读存储器和随机存取存储器，并向处理器提供指令和数据。存储器的一部分还可以包括非易失性随机存取存储器。
该总线除包括数据总线之外，还可以包括电源总线、控制总线和状态信号总线等。但是 为了清楚说明起见，在图中将各种总线都标为总线。
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。结合本申请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。
根据本申请实施例提供的方法，本申请实施例还提供一种系统，其包括前述的终端和第一网络设备等。
在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各种说明性逻辑块(illustrative logical block，简称ILB)和步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
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。所述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所述计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。所述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。所述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，所述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)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。所述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。所述可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如固态硬盘)等。
本申请的各个实施例中的内容可以相互参考，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。
可以理解的，本申请实施例中，终端和/或网络设备可以执行本申请实施例中的部分或全部步骤，这些步骤或操作仅是示例，本申请实施例中，还可以执行其它操作或者各种操作的变形。此外，各个步骤可以按照本申请实施例呈现的不同的顺序来执行，并且有可能并非要执行本申请实施例中的全部操作。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技 术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (41)

  1. 一种接入小区的方法，其特征在于，所述方法用于终端接入目标小区，所述方法包括：
    基于第一通信配置向第一网络设备发送第二通信配置对应的指示信息，接收所述第一网络设备发送的第一确认信息，基于所述第二通信配置向所述第一网络设备发送接入通知消息；
    或者，基于所述第一通信配置向所述第一网络设备发送接入通知消息，接收所述第一网络设备发送的第二确认信息，基于第二通信配置与所述第一网络设备进行通信。
  2. 根据权利要求1所述的方法，其特征在于，所述第二通信配置是更新所述第一通信配置得到的。
  3. 根据权利要求1所述的方法，其特征在于，所述第一通信配置和所述第二通信配置包括以下至少一项：
    用于对数据加密和解密的秘钥；
    发送信息的频段；
    发送信息时的最大传输功率。
  4. 根据权利要求1所述的方法，其特征在于，所述第一网络设备为主基站，所述目标小区为所述终端待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；所述接入通知消息为无线资源控制RRC重配置完成消息；
    所述第二通信配置对应的指示信息用于指示所述终端切换的目标主辅小区；
    所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
  5. 根据权利要求1所述的方法，其特征在于，在所述终端基于双激活协议栈DAPS结合条件切换CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述第一网络设备所述终端的上行发送功率下降；
    所述第二通信配置用于调整所述终端的上行发送功率。
  6. 根据权利要求1所述的方法，其特征在于，所述第一网络设备为主基站，所述终端连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述终端切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
    所述第二通信配置对应的指示信息用于指示所述终端切换的目标小区；
    所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
  7. 根据权利要求4或6所述的方法，其特征在于，在所述终端确定切换到所述目标小区至所述终端完成到所述目标小区的切换的过程中，所述终端向所述第一网络设备发送秘钥指示信息，所述秘钥指示信息用于指示所述第一网络设备使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
  8. 根据权利要求7所述的方法，其特征在于，所述秘钥指示信息包含在所述终端向所述第一网络设备发送的数据包中；
    或者，所述秘钥指示信息通过介质接入控制协议控制元素MAC CE或者分组数据汇聚协议PDCP控制信息发送给所述第一网络设备。
  9. 根据权利要求8所述的方法，其特征在于，
    所述MAC CE或PDCP控制信息指示所述终端使用的秘钥以及使用所述秘钥加密的数据包编号；
    或者，所述MAC CE或PDCP控制信息指示所述终端使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
  10. 一种接入小区的方法，其特征在于，所述方法用于终端接入目标小区，所述方法包括：
    第一网络设备接收所述终端基于第一通信配置发送的指示信息，所述指示信息与第二通信配置对应，向所述终端发送第一确认信息，接收所述终端基于所述第二通信配置发送的接入通知消息；
    或者，所述第一网络设备接收所述终端基于所述第一通信配置发送的接入通知消息，向所述终端发送第二确认信息，所述第二确认信息用于触发所述终端基于所述第二通信配置与所述第一网络设备进行通信。
  11. 根据权利要求10所述的方法，其特征在于，所述第二通信配置是更新所述第一通信配置得到的。
  12. 根据权利要求10所述的方法，其特征在于，所述第一通信配置和所述第二通信配置包括以下至少一项：
    用于对数据加密和解密的秘钥；
    发送信息的频段；
    发送信息时的最大传输功率。
  13. 根据权利要求10所述的方法，其特征在于，所述第一网络设备为主基站，所述目标小区为所述终端待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为MCG配置；所述接入通知消息为RRC重配置完成消息；
    所述第二通信配置对应的指示信息用于指示所述终端切换的目标主辅小区；
    所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
  14. 根据权利要求10所述的方法，其特征在于，在所述终端基于DAPS结合CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述第一网络设备所述终端的上行发送功率下降；
    所述第二通信配置用于调整所述终端的上行发送功率。
  15. 根据权利要求10所述的方法，其特征在于，所述第一网络设备为主基站，所述终端连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述终端切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
    所述第二通信配置对应的指示信息用于指示所述终端切换的目标小区；
    所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
  16. 根据权利要求13或15所述的方法，其特征在于，在所述终端确定切换到所述目标小区至所述终端完成到所述目标小区的切换的过程中，所述第一网络设备向所述终端发送秘钥指示信息，所述秘钥指示信息用于指示所述终端使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
  17. 根据权利要求16所述的方法，其特征在于，所述秘钥指示信息包含在所述第一网络设备向所述终端发送的数据包中；
    或者，所述秘钥指示信息通过MAC CE或者PDCP控制信息发送给所述终端。
  18. 根据权利要求17所述的方法，其特征在于，
    所述MAC CE或PDCP控制信息指示所述第一网络设备使用的秘钥以及使用所述秘钥加密的数据包编号；
    或者，所述MAC CE或PDCP控制信息指示所述第一网络设备使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
  19. 一种通信装置，其特征在于，包括：
    发送单元，用于基于第一通信配置向第一网络设备发送第二通信配置对应的指示信息，接收单元，用于接收所述第一网络设备发送的第一确认信息，所述发送单元还用于基于所述第二通信配置向所述第一网络设备发送接入通知消息；
    或者，所述发送单元用于基于所述第一通信配置向所述第一网络设备发送接入通知消息，所述接收单元用于接收所述第一网络设备发送的第二确认信息，所述发送单元和所述接收单元还用于基于第二通信配置与所述第一网络设备进行通信。
  20. 根据权利要求19所述的通信装置，其特征在于，所述第二通信配置是更新所述第一通信配置得到的。
  21. 根据权利要求19所述的通信装置，其特征在于，所述第一通信配置和所述第二通信配置包括以下至少一项：
    用于对数据加密和解密的秘钥；
    发送信息的频段；
    发送信息时的最大传输功率。
  22. 根据权利要求19所述的通信装置，其特征在于，所述第一网络设备为主基站，所述目标小区为所述通信装置待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第 一通信配置和所述第二通信配置为主小区组MCG配置；所述接入通知消息为无线资源控制RRC重配置完成消息；
    所述第二通信配置对应的指示信息用于指示所述通信装置切换的目标主辅小区；
    所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
  23. 根据权利要求19所述的通信装置，其特征在于，在所述通信装置基于双激活协议栈DAPS结合条件切换CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述第一网络设备所述通信装置的上行发送功率下降；
    所述第二通信配置用于调整所述通信装置的上行发送功率。
  24. 根据权利要求19所述的通信装置，其特征在于，所述第一网络设备为主基站，所述通信装置连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述通信装置切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
    所述第二通信配置对应的指示信息用于指示所述通信装置切换的目标小区；
    所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
  25. 根据权利要求22或24所述的通信装置，其特征在于，在所述通信装置确定切换到所述目标小区至所述通信装置完成到所述目标小区的切换的过程中，所述通信装置向所述第一网络设备发送秘钥指示信息，所述秘钥指示信息用于指示所述第一网络设备使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
  26. 根据权利要求25所述的通信装置，其特征在于，所述秘钥指示信息包含在所述通信装置向所述第一网络设备发送的数据包中；
    或者，所述秘钥指示信息通过介质接入控制协议控制元素MAC CE或者分组数据汇聚协议PDCP控制信息发送给所述第一网络设备。
  27. 根据权利要求26所述的通信装置，其特征在于，
    所述MAC CE或PDCP控制信息指示所述通信装置使用的秘钥以及使用所述秘钥加密的数据包编号；
    或者，所述MAC CE或PDCP控制信息指示所述通信装置使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
  28. 根据权利要求19所述的通信装置，其特征在于，所述通信装置为一个终端。
  29. 一种网络设备，其特征在于，包括：
    接收单元，用于接收终端基于第一通信配置发送的指示信息，所述指示信息与第二通信配置对应，发送单元，用于向所述终端发送第一确认信息，所述接收单元还用于接收所述终端基于所述第二通信配置发送的接入通知消息；
    或者，所述接收单元用于接收所述终端基于所述第一通信配置发送的接入通知消息，所 述发送单元用于向所述终端发送第二确认信息，所述第二确认信息用于触发所述终端基于所述第二通信配置与所述网络设备进行通信。
  30. 根据权利要求29所述的网络设备，其特征在于，所述第二通信配置是更新所述第一通信配置得到的。
  31. 根据权利要求29所述的网络设备，其特征在于，所述第一通信配置和所述第二通信配置包括以下至少一项：
    用于对数据加密和解密的秘钥；
    发送信息的频段；
    发送信息时的最大传输功率。
  32. 根据权利要求29所述的网络设备，其特征在于，所述网络设备为主基站，所述目标小区为所述终端待切换的目标主辅小区或者为待接入的新增目标主辅小区；所述第一通信配置和所述第二通信配置为MCG配置；所述接入通知消息为RRC重配置完成消息；
    所述第二通信配置对应的指示信息用于指示所述终端切换的目标主辅小区；
    所述指示信息包括如下至少一项：所述目标主辅小区的标识、与所述目标主辅小区对应的MCG配置信息的标识或与所述目标主辅小区对应的前导码。
  33. 根据权利要求29所述的网络设备，其特征在于，在所述终端基于DAPS结合CHO切换到所述目标小区时，所述第二通信配置对应的指示信息用于通知所述网络设备所述终端的上行发送功率下降；
    所述第二通信配置用于调整所述终端的上行发送功率。
  34. 根据权利要求29所述的网络设备，其特征在于，所述网络设备为主基站，所述终端连接所述主基站以及至少一个辅基站，所述至少一个辅基站中的第一辅基站触发所述终端切换到所述目标小区，所述目标小区为目标辅基站管理的小区；所述第一通信配置和所述第二通信配置为主小区组MCG配置；
    所述第二通信配置对应的指示信息用于指示所述终端切换的目标小区；
    所述指示信息为：所述目标小区的标识或与所述目标小区对应的MCG配置的标识。
  35. 根据权利要求32或34所述的网络设备，其特征在于，在所述终端确定切换到所述目标小区至所述终端完成到所述目标小区的切换的过程中，所述发送单元还用于向所述终端发送秘钥指示信息，所述秘钥指示信息用于指示所述终端使用第一通信配置中的秘钥或使用第二通信配置中的秘钥进行数据解密。
  36. 根据权利要求35所述的网络设备，其特征在于，所述秘钥指示信息包含在所述网络设备向所述终端发送的数据包中；
    或者，所述秘钥指示信息通过MAC CE或者PDCP控制信息发送给所述终端。
  37. 根据权利要求16所述的网络设备，其特征在于，
    所述MAC CE或PDCP控制信息指示所述网络设备使用的秘钥以及使用所述秘钥加密的数据包编号；
    或者，所述MAC CE或PDCP控制信息指示所述网络设备使用的秘钥以及使用所述秘钥加密数据包的预设时间段。
  38. 一种通信装置，其特征在于，包括：
    处理器、存储器和总线，所述处理器和存储器通过总线连接，其中，所述存储器用于存储一组程序代码，所述处理器用于调用所述存储器中存储的程序代码，执行如权利要求1-9任一项所述的方法。
  39. 一种网络设备，其特征在于，包括：
    处理器、存储器和总线，所述处理器和存储器通过总线连接，其中，所述存储器用于存储一组程序代码，所述处理器用于调用所述存储器中存储的程序代码，执行如权利要求10-18任一项所述的方法。
  40. 一种计算机可读存储介质，其特征在于，包括：
    所述计算机可读存储介质中存储有指令，当其在计算机上运行时，实现如权利要求1-9或10-18中任一项所述的方法。
  41. 一种芯片，包括一个或多个处理电路，其中，所述一个或多个处理电路用于实现如权利要求1-9或10-18中任一项所述的方法。
PCT/CN2022/108035 2021-08-04 2022-07-26 接入小区的方法、通信装置及网络设备 WO2023011266A1 (zh)

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Citations (4)

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Publication number Priority date Publication date Assignee Title
WO2016149372A1 (en) * 2015-03-16 2016-09-22 Rivada Networks Llc Method and system for a flexible dynamic spectrum arbitrage system
CN106341848A (zh) * 2015-07-07 2017-01-18 电信科学技术研究院 一种切换方法及装置
CN108347725A (zh) * 2017-01-25 2018-07-31 华为技术有限公司 通信方法和设备
CN110475299A (zh) * 2018-05-10 2019-11-19 维沃移动通信有限公司 一种切换小区的方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016149372A1 (en) * 2015-03-16 2016-09-22 Rivada Networks Llc Method and system for a flexible dynamic spectrum arbitrage system
CN106341848A (zh) * 2015-07-07 2017-01-18 电信科学技术研究院 一种切换方法及装置
CN108347725A (zh) * 2017-01-25 2018-07-31 华为技术有限公司 通信方法和设备
CN110475299A (zh) * 2018-05-10 2019-11-19 维沃移动通信有限公司 一种切换小区的方法及装置

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