WO2018018621A1 - 建立辅连接的方法和装置 - Google Patents

建立辅连接的方法和装置 Download PDF

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Publication number
WO2018018621A1
WO2018018621A1 PCT/CN2016/092360 CN2016092360W WO2018018621A1 WO 2018018621 A1 WO2018018621 A1 WO 2018018621A1 CN 2016092360 W CN2016092360 W CN 2016092360W WO 2018018621 A1 WO2018018621 A1 WO 2018018621A1
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WO
WIPO (PCT)
Prior art keywords
network device
access network
access
terminal device
configuration information
Prior art date
Application number
PCT/CN2016/092360
Other languages
English (en)
French (fr)
Inventor
唐海
Original Assignee
广东欧珀移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to PCT/CN2016/092360 priority Critical patent/WO2018018621A1/zh
Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Priority to EP21189840.8A priority patent/EP3923672B1/en
Priority to EP16910201.9A priority patent/EP3461217B1/en
Priority to CN202110940903.8A priority patent/CN113645672A/zh
Priority to JP2019500405A priority patent/JP6824378B2/ja
Priority to CN201680087353.7A priority patent/CN109417750B/zh
Priority to ES16910201T priority patent/ES2890804T3/es
Priority to KR1020197004972A priority patent/KR20190035763A/ko
Priority to TW106123098A priority patent/TWI735615B/zh
Publication of WO2018018621A1 publication Critical patent/WO2018018621A1/zh
Priority to US16/211,008 priority patent/US10834770B2/en
Priority to US17/039,855 priority patent/US11234284B2/en
Priority to US17/546,611 priority patent/US11647555B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H04W28/086—Load balancing or load distribution among access entities
    • H04W28/0861—Load balancing or load distribution among access entities between base stations
    • H04W28/0865—Load balancing or load distribution among access entities between base stations of different Radio Access Technologies [RATs], e.g. LTE or WiFi
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H04W28/09—Management thereof
    • H04W28/0958—Management thereof based on metrics or performance parameters
    • H04W28/0967—Quality of Service [QoS] parameters
    • H04W28/0983—Quality of Service [QoS] parameters for optimizing bandwidth or throughput
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to the field of communications, and more particularly to a method and apparatus for establishing a secondary connection.
  • the primary connection is a network connection between the terminal device and the primary access network device
  • the secondary connection is a network connection between the terminal device and the secondary access network device.
  • the data of the control plane of the terminal device is transmitted through the primary connection, and the data of the user plane of the terminal device can be divided into two routes and two connections are simultaneously transmitted to improve the data throughput of the user plane; or the user data is transmitted by the secondary access network device, Reduce the load on the primary access network. Therefore, there is a need for a method of establishing a secondary connection to increase data throughput at the user plane and to reduce the load on the primary access network device.
  • the embodiment of the invention provides a method and a device for establishing a secondary connection, which can improve the data throughput of the user plane and reduce the load of the primary access network device.
  • the first aspect provides a method for establishing a secondary connection, where the method includes: the primary access network device acquires secondary network access capability information of the terminal device, where the secondary network access capability information is used to indicate that the terminal device accesses The secondary access network device sends a secondary connection addition request message to the first secondary access network device, where the secondary connection addition request message is used to request to add the first secondary access network device to a network device that transmits data, the secondary connection addition request message includes the secondary network access capability information, and the primary access network device receives an acknowledgement message of the secondary connection addition request message sent by the first secondary access network device, where the auxiliary The acknowledgment message of the connection request message includes the first configuration information, where the first configuration information is used to establish a secondary connection between the first secondary access network device and the terminal device.
  • the first secondary access network device can configure the terminal device by considering the capability information, so that the terminal device can establish a secondary connection with the first secondary access network device, and can improve data of the user plane. Throughput and reduce the load on the primary access network equipment.
  • the secondary connection addition request message further includes second configuration information, where the second configuration information is configuration information of the secondary connection that the terminal device has established.
  • the configuration information of the secondary connection that has been established by the terminal device is sent to the first secondary access network device, so that the first secondary access network device can simultaneously consider the secondary network access capability information and the second configuration information, and configure the terminal device.
  • the terminal device can establish a secondary connection with the first secondary access network device.
  • the primary access network device acquires secondary network access capability information of the terminal device, including: the primary access network device The first message sent by the terminal device or the core network device is received, where the first message includes the secondary network access capability information, and the primary access network device obtains the secondary network access capability information from the first message.
  • the secondary network access capability information of the terminal device is sent to the core network device, so that the core network device can forward the secondary network access capability information to the primary access network. device.
  • the primary access network device receives the first message sent by the terminal device, including: receiving, by the primary access network device The first message sent by the terminal device, where the first message is used to indicate that the configuration between the terminal device and the first secondary access network device takes effect.
  • the secondary network access capability information is used to indicate that the terminal device accesses the maximum capability of the secondary access network device, or
  • the secondary network access capability information is used to indicate the capability of the terminal device to access the secondary access network device to be added, and the secondary access network device to be added includes the first secondary access network device.
  • the secondary network access capability information may be all the capability information of the terminal device accessing the secondary access network device, or may be the access network capability information that the terminal device can use in all the secondary network connections, and It may be access network capability information that the terminal device can use in the next secondary network configuration.
  • a fifth possible implementation in the first aspect In the mode, before the primary access network device sends the add request message to the first secondary access network device, the method includes: receiving, by the primary access network device, measurement result information of the at least one secondary access network device sent by the terminal device The measurement result information is used to indicate the link quality between the corresponding secondary access network device and the terminal device; the primary access network device is configured according to each secondary access network device of the at least one secondary access network device The result information is measured to determine the first secondary access network device.
  • the method further includes: the primary access network device sending the first configuration information to the terminal device, to facilitate the The terminal device establishes a secondary connection with the first secondary access network device according to the first configuration information.
  • the primary access network device is a network device in the first communication system
  • the secondary access network device is a second device.
  • Network equipment in a communication system
  • the first communication system is a Long Term Evolution (LTE) system
  • the second communication system is a New Radio (NR) system.
  • LTE Long Term Evolution
  • NR New Radio
  • a second aspect provides a method for establishing a secondary connection, where the method includes: receiving, by a first secondary access network device, a secondary connection addition request message sent by a primary access network device, where the secondary connection addition request message is used to request to add a second
  • the secondary access network device is a network device that transmits data
  • the secondary connection addition request message includes secondary network access capability information, where the secondary network access capability information is used to indicate that the terminal device supports the access secondary access network device.
  • the first secondary access network device generates first configuration information according to the secondary network access capability information, where the first configuration information is used to establish a secondary between the first secondary access network device and the terminal device.
  • the first secondary access network device sends an acknowledgement message of the secondary connection addition request message to the primary access network device, and the confirmation message of the secondary connection addition request message includes the first configuration information.
  • the terminal device is configured to report the capability information supported by the terminal device to the first secondary access network device, so that the first secondary access network device can configure the terminal device according to the capability information, so that the terminal device A secondary connection with the first secondary access network device can be established, which can improve the data throughput of the user plane and reduce the load of the primary access network device.
  • the secondary network access capability information is used to indicate a maximum capability of the terminal device to access the secondary access network device, where the secondary connection addition request message is further
  • the second configuration information is used, and the second configuration information is a secondary device that has been established by the terminal device.
  • the configuration information of the connection the first secondary access network device generates the first configuration information according to the auxiliary network access capability information, including: the first secondary access network device according to the secondary network access capability information and the second
  • the configuration information is generated, and the first configuration information is generated, and the sum of the configurations corresponding to the first configuration information and the second configuration information is not supported by the terminal device indicated by the secondary network access capability information.
  • the first secondary access network device needs to ensure that the configuration of all the secondary connections does not exceed the secondary network access capability information of the terminal devices involved in the first possible implementation manner.
  • the secondary network access capability information is used to indicate that the terminal device supports the access to the secondary access network device to be added.
  • the capability of the secondary access network device to be added includes the first secondary access network device.
  • the first secondary access network device needs to ensure that the configuration of all the secondary connections does not exceed the secondary network access capability information of the terminal devices involved in the second possible implementation manner.
  • a third aspect provides a method for establishing a connection, where the method includes: the terminal device sends the secondary network access capability information of the terminal device to the primary access network device, where the secondary network access capability information is used to indicate the terminal device
  • the first configuration information is used to establish the first secondary access network device and the terminal device, and the first configuration information is sent by the primary access network device.
  • the terminal device is configured to report the capability information supported by the terminal device to the first secondary access network device, so that the first secondary access network device can configure the terminal device according to the capability information, so that the terminal device is configured.
  • a secondary connection with the first secondary access network device can be established, thereby increasing the data throughput of the user plane and reducing the load on the primary access network device.
  • the terminal device sends the secondary network access capability information of the terminal device to the primary access network device, including: the terminal device accessing the primary device
  • the network device sends a first message, where the first message is used to indicate that the configuration between the terminal device and the first secondary access network device takes effect, and the first message includes the secondary network access capability information.
  • the secondary network access capability information is used to indicate that the terminal device accesses the maximum capability of the secondary access network device, or
  • the secondary network access capability information is used to indicate the capability of the terminal device to access the secondary access network device to be added, and the secondary access network device to be added includes the first secondary access network device.
  • the method further includes: the terminal device establishing, according to the first configuration information, the first auxiliary A secondary connection between access network devices.
  • apparatus for establishing a secondary connection for performing the method of any of the first aspect or the first aspect of the first aspect.
  • the apparatus comprises means for performing the method of any of the above-described first aspect or any of the possible implementations of the first aspect.
  • an apparatus for establishing a secondary connection for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect comprises means for performing the method of any of the above-described second aspect or any of the possible implementations of the second aspect.
  • an apparatus for establishing a secondary connection for performing the method of any of the above-described third aspect or any of the possible implementations of the third aspect.
  • the apparatus comprises means for performing the method of any of the possible implementations of the third aspect or the third aspect described above.
  • an apparatus for establishing a secondary connection comprising: a memory, a processor, an input/output interface, a communication interface, and a bus system.
  • the memory, the processor, the input/output interface and the communication interface are connected by a bus system for storing instructions for executing instructions stored by the memory, the processor passing the communication when the instruction is executed
  • the interface performs the method of the first aspect, and controls the input/output interface to receive input data and information, and output data such as operation results.
  • an apparatus for establishing a secondary connection comprising: a memory, a processor, an input/output interface, a communication interface, and a bus system.
  • the memory, the processor, the input/output interface and the communication interface are connected by a bus system for storing instructions for executing instructions stored by the memory, the processor passing the communication when the instruction is executed
  • the interface performs the method of the second aspect, and controls the input/output interface to receive the input data and information, and output the operation result and the like.
  • an apparatus for establishing a secondary connection comprising: a memory, a processor, an input/output interface, a communication interface, and a bus system.
  • the memory, the processor, the input/output interface and the communication interface are connected by a bus system for storing instructions for executing instructions stored by the memory, the processor passing the communication when the instruction is executed
  • the interface performs the method of the third aspect, and controls the input/output interface to receive the input data and information, and output the operation result and the like.
  • a tenth aspect a computer readable medium for storing a computer program, the computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a computer readable medium for storing a computer program comprising instructions for performing the method of any of the second aspect or any of the possible implementations of the second aspect.
  • a computer readable medium for storing a computer program comprising instructions for performing the method of any of the third aspect or any of the possible implementations of the third aspect.
  • the names of the terminal device, the primary access network device, the secondary access network device, and the core network device are not limited to the device itself. In actual implementation, these devices may appear under other names. As long as the functions of the respective devices are similar to the present invention, they are within the scope of the claims and the equivalents thereof.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present invention.
  • FIG. 2 is a schematic block diagram of a method for establishing a secondary connection according to an embodiment of the present invention
  • FIG. 3 is another schematic block diagram of a method for establishing a secondary connection according to an embodiment of the present invention.
  • FIG. 4 is a schematic block diagram of a method for establishing a secondary connection according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a method for establishing a secondary connection according to an embodiment of the present invention
  • FIG. 6 is another schematic flowchart of a method for establishing a secondary connection according to an embodiment of the present invention.
  • FIG. 7 is a schematic block diagram of an apparatus for establishing a secondary connection according to an embodiment of the present invention.
  • FIG. 8 is another schematic block diagram of an apparatus for establishing a secondary connection according to an embodiment of the present invention.
  • FIG. 9 is still another schematic block diagram of an apparatus for establishing a secondary connection according to an embodiment of the present invention.
  • FIG. 10 is still another schematic block diagram of an apparatus for establishing a secondary connection according to an embodiment of the present invention.
  • FIG. 11 is still another schematic block diagram of an apparatus for establishing a secondary connection according to an embodiment of the present invention.
  • FIG. 12 is still another schematic block diagram of an apparatus for establishing a secondary connection according to an embodiment of the present invention.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device may be referred to as a user equipment (User Equipment, referred to as "UE"), a terminal device, a mobile station (Mobile Station, referred to as "MS”), and a mobile terminal (Mobile).
  • UE User Equipment
  • MS Mobile Station
  • Mobile Mobile terminal
  • the terminal devices can communicate with one or more core networks via a Radio Access Network (Radio Access Network, hereinafter referred to as "RAN"), for example, the terminals can be mobile phones ( Or a "cellular" telephone) or a computer with a mobile terminal, etc., for example, the terminal can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges voice and/or with the wireless access network. data.
  • Radio Access Network Radio Access Network
  • RAN Radio Access Network
  • the terminals can be mobile phones ( Or a "cellular" telephone) or a computer with a mobile terminal, etc.
  • the terminal can also be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges voice and/or with the wireless access network. data.
  • the primary access network device and the secondary access network device can be used to communicate with the mobile device, and the access network device can be Global System of Mobile communication ("GSM”) or Code Division Multiple Access (Code Division Multiple Access).
  • the base station (Base Transceiver Station, or “BTS”) in the “CDMA” for short, may also be a base station (NodeB, referred to as "NB") in Wideband Code Division Multiple Access (WCDMA). It may also be an evolved Node B (“eNB” or "eNodeB”) in LTE, or a relay station or an access point, or an in-vehicle device, a wearable device, and an access network device in a future 5G network.
  • GSM Global System of Mobile communication
  • NB base station
  • WCDMA Wideband Code Division Multiple Access
  • the core network device can be a Mobility Management Entity (abbreviated as Mobility Management Entity).
  • the "MME" may also be a Serving Gateway (S-GW) or a PDN Gateway (P-GW), which is not limited in this application.
  • S-GW Serving Gateway
  • P-GW PDN Gateway
  • the bearer is a basic unit for controlling the capacity, delay, and bit rate of the user service on the radio access network (RAN) side.
  • RAN radio access network
  • the primary access network device may be, for example, a macro base station (Macrocell), and the secondary access network device may be, for example, a microcell base station (Microcell), a picocell base station (Picocell), or a femtocell base station (Femtocell).
  • Macrocell macro base station
  • Pocell picocell base station
  • Femtocell femtocell base station
  • embodiments of the invention are not limited thereto.
  • the primary access network device may be an LTE network device, and the secondary access network device is an NR network device. It should be understood that the embodiment of the present invention is not limited thereto, and the primary access network device may also be a GSM network.
  • the device, the CDMA network device, and the like, the secondary access network device may also be a GSM network device, a CDMA network device, or the like, which is not limited in this embodiment of the present invention.
  • FIG. 1 is a schematic diagram of an application scenario of the present invention.
  • the network around the terminal device includes a primary access network device 110 and at least one secondary access network device 120.
  • the primary access network device 110 may be an LTE network.
  • Access network device 120 can be an NR network.
  • the terminal device 130 can establish a connection at the same time through the primary access network device 110 and the secondary access network device 120.
  • the connection established between the terminal device 130 and the primary access network device 110 is the primary connection, and the terminal device 130 and the secondary access network device 120 are established.
  • the connection is a secondary connection, and the control plane data of the terminal device 130 can be transmitted through the primary connection, and the user plane data of the terminal device can be simultaneously transmitted through the primary connection and the secondary connection, or can be transmitted only through the secondary connection, in the implementation of the present invention.
  • the primary access network device 110 may select the secondary access network device 120 that meets the preset condition to transmit the control plane data of the terminal device 130, thereby further reducing the load on the primary access network device 110.
  • the preset condition may be The link quality between the secondary access network device 120 and the terminal device 130 satisfies the data transmission condition.
  • the secondary access network device 120 can be flexibly deployed according to service requirements and user density, and the function is to assist the primary access network device 110 to share data, and the data may include user plane data and control plane of the terminal device 130.
  • the deployment of the secondary access network device 120 may be discontinuous, and the adjacent secondary cells may also have a large area overlap, which is not limited in this embodiment of the present invention.
  • FIG. 2 shows a schematic block diagram of a method 200 of establishing a secondary connection, the method 200 including:
  • the primary access network device obtains the secondary network access capability information of the terminal device, where the secondary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device;
  • S220 sending a secondary connection adding request message to the first secondary access network device, where the secondary connection adding request message is used to request to add the first secondary access network device as a network device for transmitting data, where the secondary connection adding request message includes the Secondary network access capability information;
  • S230 Receive an acknowledgment message of the secondary connection addition request message sent by the first secondary access network device, where the acknowledgment message of the secondary connection addition request message includes first configuration information, where the first configuration information is used to establish the first auxiliary A secondary connection between the access network device and the terminal device.
  • the secondary network access capability information may be all the capability information of the terminal device connected to the secondary access network device or may be the access network capability information that the terminal device can use in all the secondary network connections, or may be the terminal device connection.
  • the access network capability information that can be used by the access network device is not limited as long as the secondary network access capability information includes the capability information of the terminal device connected to the first secondary access network device. For example, carrier aggregation capability, the largest data block that can be scheduled at a time, and so on.
  • the terminal device supports a maximum of 32 carrier aggregations
  • the secondary network access capability information that the terminal device can send to the primary access network device includes a carrier aggregation capability of 32 or a terminal.
  • the secondary connection capability corresponding to the configuration information of the terminal device accessing multiple secondary connections is not greater than the maximum capability of the terminal device accessing the secondary network connection indicated by the secondary network access capability information.
  • the secondary access network device around the primary access network device may be measured.
  • the measurement of the secondary access network device by the terminal device may be measured according to a network protocol, or may be performed according to a network protocol.
  • the configuration of the primary access network device is measured, for example, the protocol specifies or the primary access network device configuration measures the secondary access network device around the primary access network device within a certain interval period; optionally, the terminal device may receive according to the The configuration information of the network in the received system message is measured by the secondary access network device, which is not limited in this embodiment of the present invention.
  • the terminal device may first determine that a secondary access network device is added, for example, the terminal device determines to add the first secondary access network device as the network device for transmitting data, and the terminal device is configured according to the maximum accessing the secondary access network device.
  • the capability allocates part of the capability to the first secondary access network device, and informs the primary access network device to carry the score in the notification message. And the identification information of the first secondary access network device, so that the primary access network device sends the allocated capability to the first secondary access network device.
  • the secondary connection is for transmitting data including first control plane data and/or user plane data.
  • the primary access network device may obtain the secondary network access capability information of the terminal device from the terminal device or the core network device, and send the secondary network access capability information to the first secondary access network device, so that The first secondary access network device may refer to the secondary network access capability information to generate configuration information for establishing a secondary connection between the first secondary access network device and the terminal device, where the primary access network device is After receiving the configuration information, the configuration information is forwarded to the terminal device, so as to establish a secondary connection between the first secondary access network device and the terminal device.
  • the embodiment of the present invention provides a new method for establishing a secondary connection, which is simple and flexible, thereby improving data throughput of the user plane and reducing the load of the primary access network device.
  • the terminal device may send the secondary network access capability information to the primary access network device in the process of accessing the primary access network device, where the terminal device may access the primary access network device.
  • the process of accessing the first primary access network device when the terminal device needs to transmit data in the idle state; or the network device of the service terminal device needs to access the second primary access when the terminal device is in the data connection state The network device needs to be handed over to the first primary access network device, and the process of accessing the first primary access network device is specifically a step of the access process, which is not limited in this embodiment of the present invention.
  • the terminal device may also be connected to the primary access network device, that is, the terminal has established a bearer with the primary access network device.
  • the secondary connection is used for transmitting data
  • the data includes user plane data and control plane data
  • the first secondary access network device may transmit user plane data, and may also transmit control plane data, and may access the primary access network device and the terminal device.
  • the connection between the two is called the primary connection.
  • the primary connection can also transmit user plane data or control plane data. That is, the user plane data of the terminal device can be transmitted only through the primary connection or the secondary connection, or the user plane data can also be
  • the primary connection and the secondary connection are transmitted together; the control plane data of the terminal device can be transmitted only through the primary connection or the secondary connection, or the control plane data can also be transmitted through the primary connection and the secondary connection, and the data transmission in the embodiment of the present invention
  • the method is not limited.
  • the data includes uplink data and downlink data
  • the uplink data includes uplink control plane data and uplink user plane data
  • the downlink data includes downlink control plane data and downlink user plane data, that is, the transmission in the present invention is understood to be uplink transmission and / or downlink transmission.
  • the secondary connection addition request message further includes second configuration information, where the second configuration information is configuration information of the secondary connection that the terminal device has established.
  • the secondary network access capability information is used to indicate the maximum capability of the terminal device to access the secondary access network device, that is, the access capability parameter of the terminal device in the prior art, for example, a transmission time interval ( Transmission Time Interval (TTI)
  • TTI Transmission Time Interval
  • the primary access network device may carry the secondary network access capability information and the configuration information of the secondary connection that the terminal device has established, in the secondary connection addition request message sent to the first secondary access network device, so that the first secondary access
  • the network device considers the secondary network access capability information and the second configuration information in the secondary connection addition request message, for example, the configuration of all the secondary connections may be greater than the secondary network access capability information. Indicates the access network capabilities of the terminal device.
  • the secondary connection adding request message may further carry the measurement result information, the quality of service (QoS), and the like of the secondary access network device, so that the secondary access network device determines whether the information is determined according to the information. Allowing to establish a secondary connection, and when the secondary access network device determines to allow the establishment of the secondary connection according to the information and the current load status of the secondary access network device, generating configuration information for establishing the secondary connection according to the secondary connection addition request message, to the primary connection
  • the network access device returns an acknowledgment message of the secondary connection addition request message, where the acknowledgment message carries the configuration information of the secondary connection, and the configuration information of the secondary connection is used to establish the secondary connection; when the secondary access network device determines, the auxiliary connection network device is not allowed to establish the auxiliary
  • the failure indication information is returned to the first primary access network device, and the failure indication information carries the reason that the secondary connection is not allowed to be established.
  • the QoS of the secondary access network device cannot satisfy the data transmission, and the secondary access network device The link quality is too low, and the secondary access network device currently handles the congestion state.
  • the primary access network device may determine whether to send to the first secondary access network according to the failure reason in the failure indication information.
  • the device sends the measurement result information. For example, when the first secondary access network device fails because the network is congested, when the measurement result information of the first secondary access network device is received again, the device may not A secondary access network device sends measurement result information, which can reduce power consumption.
  • the terminal device may carry the secondary network access capability information in the radio resource control (RRC) connection establishment request message to the primary access network device; when the RRC connection is established, the terminal The device may carry the secondary network access capability information in the RRC connection setup complete message sent to the primary access network device. The terminal device may also carry the secondary network connection in the RRC reconfiguration complete message sent to the primary access network device. Capacity information, The terminal device may carry the auxiliary network access capability information in any air interface message initiated by the primary access network device, which is not limited by the present invention.
  • RRC radio resource control
  • the primary access network device may also obtain secondary network access capability information of the terminal device from the core network device. For example, when the terminal device is powered on for the first time, the secondary network access capability information is sent to the core network device through network attached storage (NAS) information.
  • NAS network attached storage
  • the method before the primary access network device sends the secondary connection addition request message to the first secondary access network device, the method includes: receiving, by the primary access network device, at least one secondary access sent by the terminal device Measurement result information of the network device, the measurement result information is used to indicate a link quality between the corresponding secondary access network device and the terminal device; the primary access network device is configured according to each of the at least one secondary access network device The measurement result information of the secondary access network device determines the first secondary access network device.
  • the terminal device may send the measurement result information of the multiple secondary access network devices to the primary access network device in the process of accessing the primary access network device, where the primary access network device receives the measurement of the terminal device.
  • the primary access network device receives the measurement of the terminal device.
  • the secondary access network device can be selected as the secondary access network device.
  • the network device that transmits the data can divert the data to the secondary access network device as soon as possible, so that the secondary connection established by the primary access network device can offload the data to the primary access network device as early as possible, and can reduce the primary access network device. Transfer load.
  • the method further includes: the primary access network device sending the first configuration information to the terminal device, so that the terminal device establishes the first secondary access according to the first configuration information.
  • a secondary connection between network devices
  • the primary access network device is a network device in the first communication system
  • the secondary access network device is a network device in the second communication system.
  • the primary access network device is a network device in an LTE system
  • the secondary access network device is a network device in a new wireless NR system.
  • FIG. 3 shows a schematic block diagram of a method 300 of establishing a secondary connection in accordance with an embodiment of the present invention, the method 300 including:
  • the first secondary access network device receives a secondary connection addition request message sent by the primary access network device, where the secondary connection addition request message is used to request to add the first secondary access network device to the network device that transmits data, and the secondary connection
  • the add request message includes the secondary network access capability information, where the secondary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device;
  • the first secondary access network device generates a first configuration according to the secondary network access capability information.
  • Information, the first configuration information is used to establish a secondary connection between the first secondary access network device and the terminal device;
  • the first secondary access network device sends an acknowledgement message of the secondary connection addition request message to the primary access network device, where the confirmation message of the secondary connection addition request message includes the first configuration information.
  • the primary access network device may send the secondary network access capability information of the terminal device that is obtained by the terminal device or the core network device to the first secondary access network device, where the first secondary access network device may Referring to the secondary network access capability information, generating configuration information for establishing a secondary connection between the first secondary access network device and the terminal device, and transmitting the configuration information to the primary access network device, the primary access The network device may forward the configuration information to the terminal device, thereby establishing a secondary connection between the first secondary access network device and the terminal device.
  • the embodiment of the present invention provides a new method for establishing a secondary connection, which is simple and flexible, thereby improving data throughput of the user plane and reducing the load of the primary access network device.
  • the secondary network access capability information may be all the capability information of the terminal device connected to the secondary access network device or may be the access network capability information that the terminal device can use in all the secondary network connections, or may be the terminal device connection.
  • the access network capability information that can be used by the access network device is not limited as long as the secondary network access capability information includes the capability information of the terminal device connected to the first secondary access network device.
  • the secondary connection request message sent by the primary access network device to the first secondary access network device further carries the terminal device
  • the first secondary access network device may generate the first configuration information by considering the secondary network access capability information and the configuration information carried in the secondary connection addition request message. For example, the configuration of all the secondary connections established by the terminal device is not greater than the capability indicated by the secondary network access capability information.
  • a secondary access network device is configured to have the capability of the terminal device not greater than the secondary network access capability information indication.
  • the secondary network access capability information may also indicate partial capability information allocated by the terminal device to multiple access network devices that are to be added at a time, for example, the largest data block transmitted by the terminal device when accessing the access network device. 32.
  • the terminal device adds the first secondary access network device and the second secondary access network device to the primary device, where the terminal device may be the first secondary access network device and the second secondary access network device.
  • the maximum number of data blocks that can be transmitted by the physical allocation is 16. If the secondary connection between the first secondary access network device and the terminal device is first established, the first secondary access network device determines the first according to the allocated secondary network access capability information.
  • the configuration information, the maximum transmission data block in the first configuration information is not greater than 16; if the primary access network device further wants to add the second secondary access network device as a secondary connection, the first secondary access network device may be configured according to the allocation
  • the secondary network access capability information and the first configuration information determine the second configuration information, and the sum of the second configuration information and the maximum transmission data block in the first configuration information is not greater than 16.
  • the process between the first secondary access network device and the primary access network device in the method 300 may refer to the method 200 for details. For brevity, details are not described herein again.
  • FIG. 4 shows a schematic block diagram of a method 400 of establishing a secondary connection, the method 400 including:
  • the terminal device sends the secondary network access capability information of the terminal device to the primary access network device, where the secondary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device.
  • the terminal device receives the first configuration information that is sent by the primary access network device, where the first configuration information is used to establish a secondary connection between the first secondary access network device and the terminal device.
  • the primary access network device may obtain the secondary network access capability information of the terminal device from the terminal device or the core network device, and send the secondary network access capability information to the first secondary access network device, so that The first secondary access network device may refer to the secondary network access capability information to generate configuration information for establishing a secondary connection between the first secondary access network device and the terminal device, where the primary access network device is After receiving the configuration information, the configuration information is forwarded to the terminal device, so as to establish a secondary connection between the first secondary access network device and the terminal device.
  • the embodiment of the present invention provides a new method for establishing a secondary connection, which is simple and flexible, thereby improving data throughput of the user plane and reducing the load of the primary access network device.
  • the method further includes: the measurement result information of the secondary access network device of the terminal device to the primary access network device, where the measurement result information is used to indicate the corresponding secondary access network device and the terminal device Inter-link quality, so that the primary access network device determines the first secondary access network device according to the multiple measurement result information.
  • the terminal device sends the measurement result information to the primary access network device.
  • the preset condition may be: a specific period according to the protocol; or when the terminal device detects that the channel quality between the device with the secondary access network device is higher than the channel quality with the first primary access network device; Can be when the auxiliary is detected
  • the channel quality of the access network device is greater than a certain threshold; or the reference signal power that is currently less than the set threshold is used, and the real-time measurement of the terminal device, the real-time report, and the like, and the terminal device is reported in the embodiment of the present invention.
  • the trigger condition of the measurement result information is not limited.
  • the terminal device sends the secondary network access capability information of the terminal device to the primary access network device, where the terminal device sends a first message to the primary access network device, where the first message is used by the terminal device. And indicating that the configuration between the terminal device and the first secondary access network device takes effect, the first message includes the secondary network access capability information.
  • the method further includes: the terminal device establishing, according to the first configuration information, a secondary connection with the first secondary access network device.
  • the process between the terminal device and the primary access network device in the method 400 may refer to the method 200 for details. For brevity, details are not described herein again.
  • the method for establishing the secondary connection in the embodiment of the present invention is described in detail from the perspective of the interaction between the terminal device, the primary access network device, and the secondary access network device.
  • FIG. 5 is a schematic flowchart of a method 500 for establishing a secondary connection according to an embodiment of the present invention. As shown in FIG. 5, the method 500 includes:
  • the primary access network device in the LTE system acquires NR capability information of the terminal device, where the NR capability information is used to indicate that the terminal device accesses the maximum capability of the access network device in the NR system;
  • the primary access network device in the LTE system determines to add the first secondary access network device in the NR system, and sends an NR addition request to the first secondary access network device, where the NR capability information of the terminal device is carried;
  • the first secondary access network device in the NR system after receiving the NR addition request sent by the primary access network device in the LTE system, the first secondary access network device in the NR system performs the first secondary access network device and the terminal device according to the NR capability information of the terminal device.
  • the secondary connection configuration that is, the first configuration information, and fed back to the primary access network device in the LTE system;
  • the primary access network device in the LTE system sends the secondary connection configuration between the first secondary access network device and the terminal device to the terminal device by using an RRC reconfiguration message;
  • the second secondary access network device in the NR system is based on the NR capability information of the terminal and the NR A secondary connection configuration between the first secondary access network device and the terminal device in the system, generating a secondary connection configuration before the second secondary access network device and the terminal device in the NR system, that is, the second configuration information, and feeding back a primary access network device in an LTE system;
  • the primary access network device in the LTE system sends the secondary connection configuration between the second secondary access network device and the terminal device to the terminal device by using an RRC reconfiguration message.
  • the embodiment of the present invention provides a new method for establishing a secondary connection, which is simple and flexible, thereby improving data throughput of the user plane and reducing the load of the primary access network device.
  • FIG. 6 shows a schematic flowchart of a method 600 for establishing a secondary connection according to an embodiment of the present invention. As shown in FIG. 6, the method 600 includes:
  • the primary access network device in the LTE system acquires NR capability information of the terminal device, where the NR capability information is used to indicate NR capability information that is available for the next NR connection.
  • the primary access network device in the LTE system determines to add the first secondary access network device in the NR system, and sends an NR add request to the first secondary access network device, where the NR capability that can be used for the next NR connection is carried. information;
  • the first secondary access network device in the NR system after receiving the NR addition request sent by the primary access network device in the LTE system, the first secondary access network device in the NR system performs the first secondary access network device and the terminal device according to the NR capability information of the terminal device.
  • the secondary connection configuration that is, the first configuration information, and fed back to the primary access network device in the LTE system;
  • the primary access network device in the LTE system sends the secondary connection configuration between the first secondary access network device and the terminal device to the terminal device by using an RRC reconfiguration message;
  • the terminal device carries, by using an RRC reconfiguration complete message, NR capability information that is available for the next NR connection.
  • the second secondary access network device in the NR system generates a secondary connection configuration before the second secondary access network device and the terminal device in the NR system according to the NR capability information that can be used for the next NR connection, that is, the second configuration.
  • the primary access network device in the LTE system sends the secondary connection configuration between the second secondary access network device and the terminal device to the terminal device by using an RRC reconfiguration message.
  • the embodiment of the present invention provides a new method for establishing a secondary connection, which is simple and flexible. It can improve the data throughput of the user plane and reduce the load on the primary access network equipment.
  • FIG. 5 and FIG. 6 show detailed steps or operations of the method of establishing the secondary connection, but the steps or operations are merely examples, and other operations may be performed by the embodiment of the present invention, or each of FIG. 5 or FIG. The deformation of the operation. Moreover, the various steps in FIGS. 5 and 6 may be performed in a different order than that presented in FIGS. 5 and 6, and it is possible that not all of the operations in FIGS. 5 and 6 are to be performed.
  • the step of the terminal device side may be separately implemented as a method for establishing a secondary connection on the terminal device side, and the step of the device on the primary access network device may be separately implemented as establishing a secondary connection at the access network side.
  • the method of the secondary access network device side may also be implemented as a method for establishing a secondary connection on the access network side.
  • the access network device is usually a base station, and the core network device is usually a mobile management entity.
  • the terminal device is usually a user equipment.
  • a method for establishing a secondary connection according to an embodiment of the present invention is described in detail above with reference to FIG. 2 to FIG. 6.
  • FIG. 7 to FIG. 12 an apparatus for establishing a secondary connection according to an embodiment of the present invention will be described.
  • the described technical features can be applied to the following device embodiments.
  • FIG. 7 shows a schematic block diagram of an apparatus 700 for establishing a secondary connection in accordance with an embodiment of the present invention. As shown in FIG. 7, the apparatus 700 includes:
  • the obtaining unit 710 is configured to obtain the secondary network access capability information of the terminal device, where the secondary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device;
  • the first sending unit 720 is configured to send a secondary connection adding request message to the first secondary access network device, where the secondary connection adding request message is used to request to add the first secondary access network device as a network device that transmits data, where the auxiliary device
  • the connection addition request message includes the secondary network access capability information
  • the first receiving unit 730 is configured to send, to the first secondary access network device, a secondary connection adding request message, where the secondary connection adding request message is used to request to add the first secondary access network device as a network device that transmits data, where the auxiliary device
  • the connection addition request message includes the secondary network access capability information.
  • the device 700 may obtain the secondary network access capability information of the terminal device from the terminal device or the core network device, and send the secondary network access capability information to the first secondary access network device, so as to facilitate the first
  • a secondary access network device may refer to the secondary network access capability information and generate After the configuration information of the secondary connection between the first secondary access network device and the terminal device is established, after receiving the configuration information, the device 700 forwards the configuration information to the terminal device, thereby establishing the first secondary access network device. A secondary connection with the terminal device.
  • the embodiment of the present invention provides a device for establishing a secondary connection, which is simple and flexible, thereby improving data throughput of the user plane and reducing the load of the primary access network device.
  • the secondary connection addition request message further includes second configuration information, where the second configuration information is configuration information of the secondary connection that the terminal device has established.
  • the obtaining unit 710 is specifically configured to:
  • the secondary network access capability information is obtained from the first message.
  • the first message sent by the terminal device that is received by the acquiring unit 710 is used to indicate that the configuration between the terminal device and the first secondary access network device takes effect.
  • the secondary network access capability information is used to indicate the maximum capability of the terminal device to access the secondary access network device, or the secondary network access capability information is used to indicate the terminal device pair Accessing the capability supported by the secondary access network device to be added, the secondary access network device to be added includes the first secondary access network device.
  • the apparatus 700 further includes:
  • the second receiving unit 740 is configured to receive measurement result information of the at least one secondary access network device that is sent by the terminal device, where the measurement result information is used to indicate a link quality between the corresponding secondary access network device and the terminal device;
  • the determining unit 750 is configured to determine, according to the measurement result information of each of the at least one secondary access network device, the first secondary access network device.
  • the apparatus 700 further includes:
  • the second sending unit 760 is configured to send the first configuration information to the terminal device, so that the terminal device establishes a secondary connection with the first secondary access network device according to the first configuration information.
  • the device is a network device in the first communication system
  • the secondary access network device is a network device in the second communication system.
  • apparatus 700 in accordance with an embodiment of the present invention may correspond to an execution body of method 200 of establishing a secondary connection in accordance with an embodiment of the present invention, and that the above and other operations and/or functions of the various modules in apparatus 700 are respectively implemented to implement FIG. Corresponding processes of the respective methods of FIG. 5 and FIG. 6, for the sake of brevity, I will not repeat them here.
  • FIG. 8 shows a schematic block diagram of an apparatus 800 for establishing a secondary connection in accordance with an embodiment of the present invention. As shown in FIG. 8, the apparatus 800 includes:
  • the receiving unit 810 is configured to receive a secondary connection adding request message sent by the primary access network device, where the secondary connection adding request message is used to request to add the first secondary access network device to the network device that transmits data, and the secondary connection adding request message
  • the auxiliary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device
  • the generating unit 820 is configured to generate, according to the secondary network access capability information, first configuration information, where the first configuration information is used to establish a secondary connection between the first secondary access network device and the terminal device;
  • the sending unit 830 is configured to send an acknowledgement message of the secondary connection addition request message to the primary access network device, where the confirmation message of the secondary connection addition request message includes the first configuration information.
  • the primary access network device may obtain the secondary network access capability information of the terminal device from the terminal device or the core network device, and send the secondary network access capability information to the device 800, so that the device 800 can Referring to the secondary network access capability information, configuration information for establishing a secondary connection between the device 800 and the terminal device is generated, and after receiving the configuration information, the primary access network device forwards the configuration information to the terminal device. Thereby establishing a secondary connection between the device 800 and the terminal device.
  • the embodiment of the present invention provides a device for establishing a secondary connection, which is simple and flexible, thereby improving data throughput of the user plane and reducing the load of the primary access network device.
  • the secondary network access capability information is used to indicate the maximum capability of the terminal device to access the secondary access network device
  • the secondary connection addition request message further includes second configuration information, where the The configuration information is the configuration information of the secondary connection that has been established by the terminal device, and the generating unit 820 is specifically configured to:
  • the secondary network access capability information is used to indicate that the terminal device supports the capability of the secondary access network device to be added, and the secondary access network device to be added includes the first A secondary access network device.
  • the primary access network device is a network device in the first communication system
  • the secondary access network device is a network device in the second communication system.
  • apparatus 800 in accordance with an embodiment of the present invention may correspond to an execution body of method 300 of establishing a secondary connection in accordance with an embodiment of the present invention, and that the above and other operations and/or functions of the various modules in apparatus 800 are respectively implemented to implement FIG.
  • the corresponding processes of the respective methods of FIG. 5 and FIG. 6 are not described herein for the sake of brevity.
  • FIG. 9 shows a schematic block diagram of an apparatus 900 for establishing a secondary connection in accordance with an embodiment of the present invention.
  • the apparatus 900 includes:
  • the sending unit 910 is configured to send, to the primary access network device, the secondary network access capability information of the terminal device, where the secondary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device;
  • the receiving unit 920 is configured to receive first configuration information that is sent by the primary access network device, where the first configuration information is used to establish a secondary connection between the first secondary access network device and the terminal device.
  • the primary access network device may obtain the secondary network access capability information of the terminal device from the device 900, and send the secondary network access capability information to the first secondary access network device, so as to facilitate the first
  • the secondary access network device may refer to the secondary network access capability information to generate configuration information for establishing a secondary connection between the first secondary access network device and the device 900, and the primary access network device receives the configuration. After the information is forwarded, the configuration information is forwarded to the device 900, thereby establishing a secondary connection between the first secondary access network device and the device 900.
  • the embodiment of the present invention provides a device for establishing a secondary connection, which is simple and flexible, thereby improving data throughput of the user plane and reducing the load of the primary access network device.
  • the sending unit 910 is specifically configured to:
  • the secondary network access capability information is used to indicate the maximum capability of the terminal device to access the secondary access network device, or the secondary network access capability information is used to indicate the terminal device pair Accessing the capability supported by the secondary access network device to be added, the secondary access network device to be added includes the first secondary access network device.
  • the apparatus 900 further includes:
  • the access unit 930 is configured to establish a secondary connection with the first secondary access network device according to the first configuration information.
  • the primary access network device is a network in the first communication system.
  • the device is a network device in the second communication system.
  • apparatus 900 in accordance with an embodiment of the present invention may correspond to an executive body of method 400 of establishing a secondary connection in accordance with an embodiment of the present invention, and that the above and other operations and/or functions of the various modules in apparatus 900 are respectively implemented to implement FIG.
  • the corresponding processes of the respective methods of FIG. 5 and FIG. 6 are not described herein for the sake of brevity.
  • FIG. 10 shows a schematic block diagram of an apparatus 10 in accordance with an embodiment of the present invention.
  • the apparatus 10 shown in FIG. 10 includes a memory 11, a processor 12, an input/output interface 13, a communication interface 14, and a bus system 15.
  • the memory 11, the processor 12, the input/output interface 13 and the communication interface 14 are connected by a bus system 15 for storing instructions for executing instructions stored in the memory 11 to control input/
  • the output interface 13 receives input data and information, outputs data such as an operation result, and controls the communication interface 14 to transmit a signal.
  • the processor 12 is configured to acquire the secondary network access capability information of the terminal device, where the secondary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device; and to the first secondary access network
  • the device sends a secondary connection adding request message, where the secondary connection adding request message is used to request to add the first secondary access network device as a network device for transmitting data, where the secondary connection adding request message includes the secondary network access capability information;
  • the secondary connection addition request message further includes second configuration information, where the second configuration information is configuration information of the secondary connection that the terminal device has established.
  • the processor 12 is specifically configured to: receive the first message sent by the terminal device or the core network device, where the first message includes the secondary network access capability information; and the first message The information about the secondary network access capability is obtained.
  • the processor 12 is specifically configured to: receive a first message sent by the terminal device, where the first message is used to indicate between the terminal device and the first secondary access network device.
  • the configuration takes effect.
  • the secondary network access capability information is used to indicate the maximum capability of the terminal device to access the secondary access network device; or the secondary network access capability information is used to indicate the terminal device pair Accessing the capability supported by the secondary access network device to be added, the secondary access network device to be added includes the first secondary access network device.
  • the processor 12 is specifically configured to: receive measurement result information of the at least one secondary access network device that is sent by the terminal device, where the measurement result information is used to indicate the corresponding secondary access network device and The quality of the link between the terminal devices; determining the first secondary access network device according to the measurement result information of each of the at least one secondary access network device.
  • the processor 12 is further configured to: send the first configuration information to the terminal device, so that the terminal device establishes with the first secondary access network according to the first configuration information.
  • the device 10 is a network device in the first communication system
  • the secondary access network device is a network device in the second communication system.
  • the processor 12 may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more.
  • the integrated circuit is used to implement the related program to implement the technical solution provided by the embodiment of the present invention.
  • communication interface 14 enables communication between access network entity 10 and other devices or communication networks using transceivers such as, but not limited to, transceivers.
  • the memory 11 can include read only memory and random access memory and provides instructions and data to the processor 12.
  • a portion of processor 12 may also include a non-volatile random access memory.
  • processor 12 may also store information of the type of device.
  • the bus system 15 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as the bus system 15 in the figure.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 12 or an instruction in the form of software.
  • the method for establishing the secondary connection disclosed in the embodiment of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 11, and the processor 12 reads the information in the memory 11, and combines Its hardware performs the steps of method 200 above. To avoid repetition, it will not be described in detail here.
  • FIG. 11 shows a schematic block diagram of an apparatus 20 in accordance with an embodiment of the present invention.
  • the apparatus 20 shown in FIG. 11 includes a memory 21, a processor 22, an input/output interface 23, a communication interface 24, and a bus system 25.
  • the memory 21, the processor 22, the input/output interface 23 and the communication interface 24 are connected by a bus system 25 for storing instructions for executing instructions stored in the memory 21 to control input/
  • the output interface 23 receives the input data and information, outputs data such as the operation result, and controls the communication interface 24 to transmit a signal.
  • the processor 22 is configured to receive a secondary connection addition request message sent by the primary access network device, where the secondary connection addition request message is used to request to add the first secondary access network device to the network device that transmits data, and the secondary connection adds a request message. And the secondary network access capability information, where the secondary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device; and the first configuration information is generated according to the secondary network access capability information, where The first configuration information is used to establish a secondary connection between the first secondary access network device and the terminal device, and send an acknowledgement message of the secondary connection addition request message to the primary access network device, where the secondary connection adds a request message
  • the confirmation message includes the first configuration information.
  • the secondary network access capability information is used to indicate the maximum capability of the terminal device to access the secondary access network device
  • the secondary connection addition request message further includes second configuration information, where the The second configuration information is configuration information of the secondary connection that has been established by the terminal device
  • the processor 22 is configured to generate the first configuration information according to the secondary network access capability information and the second configuration information, where the first configuration information is generated.
  • the sum of the configurations corresponding to the second configuration information does not exceed the capability supported by the terminal device to access the secondary access network device indicated by the secondary network access capability information.
  • the secondary network access capability information is used to indicate that the terminal device supports the capability of the secondary access network device to be added, and the secondary access network device to be added includes the first A secondary access network device.
  • the processor 22 may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more.
  • the integrated circuit is used to implement the related program to implement the technical solution provided by the embodiment of the present invention.
  • communication interface 24 enables communication between access network entity 20 and other devices or communication networks using transceivers such as, but not limited to, transceivers.
  • the memory 21 can include read only memory and random access memory and provides instructions and data to the processor 22.
  • a portion of processor 22 may also include a non-volatile random access memory.
  • processor 22 may also store information of the type of device.
  • the bus system 25 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as the bus system 25 in the figure.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 22 or an instruction in the form of software.
  • the method for establishing the secondary connection disclosed in the embodiment of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 21, and the processor 22 reads the information in the memory 21 and performs the steps of the method 300 described above in conjunction with its hardware. To avoid repetition, it will not be described in detail here.
  • FIG. 12 shows a schematic block diagram of an apparatus 30 in accordance with an embodiment of the present invention.
  • the apparatus 30 shown in FIG. 12 includes a memory 31, a processor 32, an input/output interface 33, a communication interface 34, and a bus system 35.
  • the memory 31, the processor 32, the input/output interface 33 and the communication interface 34 are connected by a bus system 35 for storing instructions for executing instructions stored in the memory 31 to control input/
  • the output interface 33 receives the input data and information, outputs data such as the operation result, and controls the communication interface 34 to transmit a signal.
  • the processor 32 is configured to send the secondary network access capability information of the terminal device to the primary access network device, where the secondary network access capability information is used to indicate the capability supported by the terminal device to access the secondary access network device; And receiving the first configuration information sent by the primary access network device, where the first configuration information is used to establish a secondary connection between the first secondary access network device and the terminal device.
  • the processor 32 is specifically configured to: send a first message to the primary access network device, where the first message is used to indicate that the terminal device and the first secondary access network device The configuration takes effect.
  • the first message includes the secondary network access capability information.
  • the secondary network access capability information is used to indicate the maximum capability of the terminal device to access the secondary access network device, or the secondary network access capability information is used to indicate the terminal device pair Accessing the capability supported by the secondary access network device to be added, the secondary access network device to be added includes the first secondary access network device.
  • the processor 32 is further configured to: establish a secondary connection with the first secondary access network device according to the first configuration information.
  • the processor 32 can adopt a general-purpose central processing unit. (Central Processing Unit, CPU), a microprocessor, an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits for executing related programs to implement the technical solution provided by the embodiments of the present invention. .
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • communication interface 34 enables communication between terminal device 30 and other devices or communication networks using transceivers such as, but not limited to, transceivers.
  • the memory 31 can include read only memory and random access memory and provides instructions and data to the processor 32.
  • a portion of processor 32 may also include a non-volatile random access memory.
  • processor 32 may also store information of the type of device.
  • the bus system 35 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 35 in the figure.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 32 or an instruction in the form of software.
  • the method for establishing the secondary connection disclosed in the embodiment of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 31, and the processor 32 reads the information in the memory 31 and performs the steps of the above method 500 in conjunction with its hardware. To avoid repetition, it will not be described in detail here.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

Abstract

本发明实施例提供一种建立辅连接的方法和装置，该方法包括：获取终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；向第一辅接入网设备发送辅连接添加请求消息，该辅连接添加请求消息用于请求添加该第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括该辅网络接入能力信息；接收该第一辅接入网设备发送的该辅连接添加请求消息的确认消息，该辅连接添加请求消息的确认消息包括第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接。本发明实施例提供的方法和装置，能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。

Description

建立辅连接的方法和装置 技术领域
本发明涉及通信领域，尤其涉及建立辅连接的方法和装置。
背景技术
随着移动互联网的飞速发展，移动流量呈现爆炸式增长，为应对流量的压力，网络设备的部署愈加密集，宏基站和小基站的异构部署也愈加广泛。为了使用户设备能够同时利用宏基站和小基站的资源，双(多)连接技术应运而生，实现宏基站和小基站之间的数据聚合。
终端设备的多(双)连接中存在一个主连接和一个或多个辅连接。主连接是终端设备和主接入网设备的网络连接，辅连接是终端设备和辅接入网设备的网络连接。终端设备的控制平面的数据通过主连接传输，终端设备的用户平面的数据可以分成两路由两个连接同时传输，以提高用户平面的数据吞吐量；或者用户数据由辅接入网设备传输，以减轻主接入网络的负荷。因此，需要一种建立辅连接的方法，以提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
发明内容
本发明实施例提供了一种建立辅连接的方法和装置，能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
第一方面，提供了一种建立辅连接的方法，该方法包括：主接入网设备获取终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；该主接入网设备向第一辅接入网设备发送辅连接添加请求消息，该辅连接添加请求消息用于请求添加该第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括该辅网络接入能力信息；该主接入网设备接收该第一辅接入网设备发送的该辅连接添加请求消息的确认消息，该辅连接添加请求消息的确认消息包括第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接。
通过将终端设备对接入辅接入网设备所支持的能力信息上报给第一辅 接入网设备，使得第一辅接入网设备可以考虑该能力信息，对终端设备进行配置，从而终端设备可以建立与第一辅接入网设备之间的辅连接，能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
结合第一方面，在第一方面的第一种可能的实现方式中，该辅连接添加请求消息还包括第二配置信息，该第二配置信息为该终端设备已经建立的辅连接的配置信息。
将终端设备已经建立的辅连接的配置信息发送给第一辅接入网设备，使得第一辅接入网设备可以同时考虑辅网络接入能力信息和第二配置信息，对终端设备进行配置，使得终端设备可以建立与第一辅接入网设备之间的辅连接。
结合第一方面的上述可能的实现方式，在第一方面的第二种可能的实现方式中，该主接入网设备获取终端设备的辅网络接入能力信息，包括：该主接入网设备接收该终端设备或核心网设备发送的第一消息，该第一消息包括该辅网络接入能力信息；该主接入网设备从该第一消息中，获取该辅网络接入能力信息。
在本发明实施例中，终端设备在进行附着过程时，将终端设备的辅网络接入能力信息发送给核心网设备，从而核心网设备可以将该辅网络接入能力信息转发给主接入网设备。
结合第一方面的上述可能的实现方式，在第一方面的第三种可能的实现方式中，该主接入网设备接收该终端设备发送的第一消息，包括：该主接入网设备接收该终端设备发送的第一消息，该第一消息用于指示该终端设备与该第一辅接入网设备之间的配置生效。
结合第一方面的上述可能的实现方式，在第一方面的第四种可能的实现方式中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力，或该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，所述待添加辅接入网设备包括该第一辅接入网设备。
在本发明实施例中，辅网络接入能力信息可以是终端设备接入辅接入网设备的所有能力信息，也可以是终端设备在所有辅网络连接中可以使用的接入网能力信息，还可以是终端设备在下一次辅网络配置中能够使用的接入网能力信息。
结合第一方面的上述可能的实现方式，在第一方面的第五种可能的实现 方式中，在该主接入网设备向该第一辅接入网设备发送添加请求消息之前，包括：该主接入网设备接收该终端设备发送的至少一个辅接入网设备的测量结果信息，该测量结果信息用于指示相应辅接入网设备与该终端设备之间的链路质量；该主接入网设备根据该至少一个辅接入网设备中的每个辅接入网设备的测量结果信息，确定该第一辅接入网设备。
结合第一方面的上述可能的实现方式，在第一方面的第六种可能的实现方式中，该方法还包括：该主接入网设备向该终端设备发送该第一配置信息，以便于该终端设备根据该第一配置信息，建立与该第一辅接入网设备之间的辅连接。
结合第一方面的上述可能的实现方式，在第一方面的第七种可能的实现方式中，该主接入网设备为第一通信系统中的网络设备，该辅接入网设备为第二通信系统中的网络设备。
支持在两个系统下建立辅连接，使得建立辅连接的方法更灵活。
优选的，该第一通信系统为长期演进LTE系统，该第二通信系统为新无线(New Radio，NR)系统。
第二方面，提供了一种建立辅连接的方法，该方法包括：第一辅接入网设备接收主接入网设备发送的辅连接添加请求消息，该辅连接添加请求消息用于请求添加第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；该第一辅接入网设备根据该辅网络接入能力信息，生成第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接；该第一辅接入网设备向该主接入网设备发送该辅连接添加请求消息的确认消息，该辅连接添加请求消息的确认消息包括该第一配置信息。
通过将终端设备对接入辅接入网设备所支持的能力信息上报给第一辅接入网设备，使得第一辅接入网设备可以考虑该能力信息，对终端设备进行配置，从而终端设备可以建立与第一辅接入网设备之间的辅连接，能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
结合第二方面，在第二方面的第一种可能的实现方式中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力，该辅连接添加请求消息还包括第二配置信息，该第二配置信息为该终端设备已经建立的辅 连接的配置信息，该第一辅接入网设备根据该辅网络接入能力信息，生成第一配置信息，包括：该第一辅接入网设备根据该辅网络接入能力信息和该第二配置信息，生成该第一配置信息，该第一配置信息和该第二配置信息对应的配置之和不超过该辅网络接入能力信息指示的该终端设备对接入辅接入网设备所支持的能力。
在本发明实施例中，第一辅接入网设备需要保证所有的辅连接的配置不超过第一种可能的实现方式中涉及的终端设备的辅网络接入能力信息。
结合第二方面的上述可能的实现方式，在第二方面的第二种可能的实现方式中，该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，该待添加辅接入网设备包括该第一辅接入网设备。
在本发明实施例中，第一辅接入网设备需要保证所有的辅连接的配置不超过第二种可能的实现方式中涉及的终端设备的辅网络接入能力信息。
第三方面，提供了一种建立连接的方法，该方法包括：终端设备向主接入网设备发送该终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；该终端设备接收该主接入网设备发送的第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接。
通过将终端设备对接入辅接入网设备所支持的能力信息上报给第一辅接入网设备，使得第一辅接入网设备可以考虑该能力信息，对终端设备进行配置，使得终端设备可以建立与第一辅接入网设备之间的辅连接，从而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
结合第三方面，在第三方面的第一种可能的实现方式中，该终端设备向主接入网设备发送该终端设备的辅网络接入能力信息，包括：该终端设备向该主接入网设备发送第一消息，该第一消息用于指示该终端设备与该第一辅接入网设备之间的配置生效，该第一消息包括该辅网络接入能力信息。
结合第三方面的上述可能的实现方式，在第三方面的第二种可能的实现方式中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力，或该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，该待添加辅接入网设备包括该第一辅接入网设备。
结合第三方面的上述可能的实现方式，在第三方面的第三种可能的实现方式中，该方法还包括：该终端设备根据该第一配置信息，建立与该第一辅 接入网设备之间的辅连接。
第四方面，提供了一种建立辅连接的装置，用于执行上述第一方面或第一方面的任意可能的实现方式中的方法。具体地，该装置包括用于执行上述第一方面或第一方面的任意可能的实现方式中的方法的单元。
第五方面，提供了一种建立辅连接的装置，用于执行上述第二方面或第二方面的任意可能的实现方式中的方法。具体地，该装置包括用于执行上述第二方面或第二方面的任意可能的实现方式中的方法的单元。
第六方面，提供了一种建立辅连接的装置，用于执行上述第三方面或第三方面的任意可能的实现方式中的方法。具体地，该装置包括用于执行上述第三方面或第三方面的任意可能的实现方式中的方法的单元。
第七方面，提供了一种建立辅连接的装置，该装置包括：存储器、处理器、输入/输出接口、通信接口和总线系统。其中，存储器、处理器、输入/输出接口和通信接口通过总线系统相连，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，当该指令被执行时，该处理器通过该通信接口执行第一方面的方法，并控制输入/输出接口接收输入的数据和信息，输出操作结果等数据。
第八方面，提供了一种建立辅连接的装置，该装置包括：存储器、处理器、输入/输出接口、通信接口和总线系统。其中，存储器、处理器、输入/输出接口和通信接口通过总线系统相连，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，当该指令被执行时，该处理器通过该通信接口执行第二方面的方法，并控制输入/输出接口接收输入的数据和信息，输出操作结果等数据。
第九方面，提供了一种建立辅连接的装置，该装置包括：存储器、处理器、输入/输出接口、通信接口和总线系统。其中，存储器、处理器、输入/输出接口和通信接口通过总线系统相连，该存储器用于存储指令，该处理器用于执行该存储器存储的指令，当该指令被执行时，该处理器通过该通信接口执行第三方面的方法，并控制输入/输出接口接收输入的数据和信息，输出操作结果等数据。
第十方面，提供了一种计算机可读介质，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的任意可能的实现方式中的方法的指令。
第十一方面，提供了一种计算机可读介质，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的任意可能的实现方式中的方法的指令。
第十二方面，提供了一种计算机可读介质，用于存储计算机程序，该计算机程序包括用于执行第三方面或第三方面的任意可能的实现方式中的方法的指令。
本发明中，终端设备、主接入网设备、辅接入网设备以及核心网设备的名字对设备本身不构成限定，在实际实现中，这些设备可以以其他名称出现。只要各个设备的功能和本发明类似，属于本发明权利要求及其等同技术的范围之内。
本发明的这些方面或其他方面在以下实施例的描述中会更加简明易懂。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例中所需要使用的附图作简单地介绍，显而易见地，下面所描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例的应用场景示意图；
图2是本发明实施例的建立辅连接的方法示意性框图；
图3是本发明实施例的建立辅连接的方法另一示意性框图；
图4是本发明实施例的建立辅连接的方法再一示意性框图；
图5是本发明实施例的建立辅连接的方法示意性流程图；
图6是本发明实施例的建立辅连接的方法另一示意性流程图；
图7是本发明实施例的建立辅连接的装置的示意性框图；
图8是本发明实施例的建立辅连接的装置的另一示意性框图；
图9是本发明实施例的建立辅连接的装置的再一示意性框图；
图10是本发明实施例的建立辅连接的装置的再一示意性框图；
图11是本发明实施例的建立辅连接的装置的再一示意性框图；
图12是本发明实施例的建立辅连接的装置的再一示意性框图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。
应理解，本发明实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，简称为“GSM”)系统、码分多址(Code Division Multiple Access，简称为“CDMA”)系统、宽带码分多址(Wideband Code Division Multiple Access，简称为“WCDMA”)系统、通用分组无线业务(General Packet Radio Service，简称为“GPRS”)、长期演进(Long Term Evolution，简称为“LTE”)系统、LTE频分双工(Frequency Division Duplex，简称为“FDD”)系统、LTE时分双工(Time Division Duplex，简称为“TDD”)、通用移动通信系统(Universal Mobile Telecommunication System，简称为“UMTS”)、全球互联微波接入(Worldwide Interoperability for Microwave Access，简称为“WiMAX”)通信系统以及未来可能出现的通信系统等。
还应理解，在本发明实施例中，终端设备可以称之为用户设备(User Equipment，简称为“UE”)、终端设备、移动台(Mobile Station，简称为“MS”)、移动终端(Mobile Terminal)或未来5G网络中的终端设备等，该终端设备可以经无线接入网(Radio Access Network，简称为“RAN”)与一个或多个核心网进行通信，例如，终端可以是移动电话(或称为“蜂窝”电话)或具有移动终端的计算机等，例如，终端还可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语音和/或数据。
主接入网设备和辅接入网设备可用于与移动设备通信，接入网设备可以是全球移动通讯(Global System of Mobile communication，简称“GSM”)或码分多址(Code Division Multiple Access，简称“CDMA”)中的基站(Base Transceiver Station，简称“BTS”)，也可以是宽带码分多址(Wideband Code Division Multiple Access，简称“WCDMA”)中的基站(NodeB，简称“NB”)，还可以是LTE中的演进型基站(Evolutional Node B，简称“eNB”或“eNodeB”)，或者中继站或接入点，或者车载设备、可穿戴设备以及未来5G网络中的接入网设备。
核心网设备可以是移动性管理实体(Mobility Management Entity，简称 “MME”)，还可以是服务网关(Serving Gateway，简称“S-GW”)或分组数据网关(PDN Gateway，“P-GW”)，本申请并不限定。
承载是无线接入网(RAN，Radio Access Network)侧对用户业务的容量、时延、比特率进行控制的基本单位。一个用户可以使用多个承载开展不同的业务。
在本发明实施例中，主接入网设备例如可以是宏基站(Macrocell)，辅接入网设备例如可以为微蜂窝基站(Microcell)、微微蜂窝基站(Picocell)、毫微微蜂窝基站(Femtocell)，但本发明实施例不限于此。
更具体地，该主接入网设备可以为LTE网络设备，该辅接入网设备为NR网络设备，应理解，本发明实施例并不限于此，该主接入网设备还可以为GSM网络设备，CDMA网络设备等，该辅接入网设备也可以为GSM网络设备，CDMA网络设备等，本发明实施例对此不作限制。
图1示出了本发明的一个应用场景的示意图，终端设备周围的网络包括主接入网设备110和至少一个辅接入网设备120，该主接入网设备110可以为LTE网络，该辅接入网设备120可以为NR网络。终端设备130可以通过主接入网设备110和辅接入网设备120同时建立连接，终端设备130和主接入网设备110建立的连接为主连接，终端设备130与辅接入网设备120建立的连接为辅连接，终端设备130的控制面数据可以通过主连接进行传输，而终端设备的用户面数据可以通过主连接和辅连接同时传输，也可以只通过辅连接进行传输，在本发明实施例中主接入网设备110可以选择满足预设条件的辅接入网设备120传输终端设备130的控制面数据，从而能够进一步减轻主接入网设备110的负荷，例如，该预设条件可以为辅接入网设备120与终端设备130之间的链路质量满足数据传输条件。
在本发明实施例中，辅接入网设备120可以根据业务需求和用户密度灵活部署，其作用是辅助主接入网设备110分担数据，该数据可以包括终端设备130的用户面数据和控制面数据，辅接入网设备120的部署可以不连续，相邻辅小区间也可有较大面积重叠，本发明实施例对此不作限定。
应理解，本发明实施例将以应用于LTE+NR系统为例进行说明，但本发明并不限于此。另外，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A 和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
图2示出了根据本发明一个实施例的建立辅连接的方法200的示意性框图，该方法200包括：
S210，主接入网设备获取终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；
S220，向第一辅接入网设备发送辅连接添加请求消息，该辅连接添加请求消息用于请求添加该第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括该辅网络接入能力信息；
S230，接收该第一辅接入网设备发送的该辅连接添加请求消息的确认消息，该辅连接添加请求消息的确认消息包括第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接。
应理解，该辅网络接入能力信息可以是终端设备连接辅接入网设备的所有能力信息或者可以是终端设备在所有辅网络连接中可以使用的接入网能力信息，还可以是终端设备连接待添加接入网设备能够使用的接入网能力信息，只要该辅网络接入能力信息包括终端设备连接上述第一辅接入网设备的能力信息即可，本发明对此并不限定。例如，载波聚合能力、一次能够调度的最大数据块等。举例来说，在LTE通信系统中，该终端设备最多支持32个载波聚合，终端设备可以向主接入网设备发送的辅网络接入能力信息包括的载波聚合能力可以是32，也可以是终端根据业务情况分配的5，总之，终端设备接入多个辅连接的配置信息对应的辅连接能力不大于该辅网络接入能力信息指示的终端设备接入辅网络连接的最大能力。
当终端设备处于空闲态时，可以对主接入网设备周围的辅接入网设备进行测量，可选地，终端设备对辅接入网设备的测量可以根据网络协议规定进行测量，也可以根据主接入网设备的配置进行测量，例如协议规定或主接入网设备配置在一定的间隔周期内测量该主接入网设备周围的辅接入网设备；可选地，终端设备可以根据接收到的系统消息中网络的配置信息对辅接入网设备进行测量，本发明实施例对此不作限定。此时，终端设备可以先确定一个辅接入网设备进行添加，例如，该终端设备确定添加第一辅接入网设备作为传输数据的网络设备，终端设备根据接入辅接入网设备的最大能力分配部分能力给第一辅接入网设备，并告知主接入网设备，在告知消息中携带该分 配的能力以及该第一辅接入网设备的标识信息，从而使得主接入网设备将该分配的能力发送给第一辅接入网设备。
还应理解，所述辅连接用于传输数据，所述数据包括第一控制面数据和/或用户面数据。
具体而言，主接入网设备可以从终端设备或者核心网设备处获取该终端设备的辅网络接入能力信息，并将该辅网络接入能力信息发送给第一辅接入网设备，以便于该第一辅接入网设备可以参考该辅网络接入能力信息，生成用于建立该第一辅接入网设备与该终端设备之间的辅连接的配置信息，主接入网设备在接收到该配置信息后，将该配置信息转发给终端设备，从而建立第一辅接入网设备与该终端设备之间的辅连接。
因此，本发明实施例提供了一种新的建立辅连接的方法，简单灵活，从而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
在本发明实施例中，终端设备可以在接入主接入网设备的过程中将辅网络接入能力信息发送给主接入网设备，该终端设备在接入主接入网设备的过程可以为：终端设备在空闲态下需要传输数据时，接入第一主接入网设备的过程；也可以为：终端设备在数据连接状态时，服务终端设备的网络设备需要从第二主接入网设备需要切换到第一主接入网设备，该终端设备在接入该第一主接入网设备的过程具体是接入过程的哪个步骤本发明实施例对此不作限制。该终端设备还可以在已经接入到主接入网设备，即该终端已经建立了与主接入网设备之间的承载。
进一步地，辅连接用于传输数据，数据包括用户面数据和控制面数据，第一辅接入网设备可以传输用户面数据，也可以传输控制面数据，可以将主接入网设备与终端设备之间的连接称为主连接，该主连接也可以传输用户面数据，也可以传输控制面数据，即终端设备的用户面数据可以仅通过主连接传输或辅连接传输，或者用户面数据也可以用过主连接和辅连接共同传输；终端设备的控制面数据可以仅通过主连接传输或辅连接传输，或者控制面数据也可以通过主连接和辅连接共同传输，本发明实施例对数据的传输方式并不作限定。
更进一步地，数据包括上行数据和下行数据，上行数据包括上行控制面数据和上行用户面数据；下行数据包括下行控制面数据和下行用户面数据，即可以理解本发明中的传输为上行传输和/或下行传输。
作为一个可选实施例，该辅连接添加请求消息还包括第二配置信息，该第二配置信息为该终端设备已经建立的辅连接的配置信息。
具体而言，当该辅网络接入能力信息用于指示终端设备接入辅接入网设备的最大能力，也就是指现有技术中终端设备的接入能力参数，例如，一个传输时间间隔(Transmission Time Interval，TTI)内下行共享信道承载的比特总数、总的软信道比特数或者支持空分复用的最大层数等。主接入网设备可以在向第一辅接入网设备发送的辅连接添加请求消息中携带该辅网络接入能力信息和终端设备已经建立的辅连接的配置信息，从而使得第一辅接入网设备在生成第一配置信息时同时考虑该辅连接添加请求消息中的辅网络接入能力信息和第二配置信息，例如，可以使得所有的辅连接的配置不大于该辅网络接入能力信息指示的终端设备的接入网能力。
可选地，该辅连接添加请求消息还可以携带该辅接入网设备的测量结果信息、服务质量(Quality of Service，简称“QoS”)等，以便于辅接入网设备根据这些信息确定是否允许建立辅连接，并且当辅接入网设备根据这些信息以及辅接入网设备当前的负荷状态确定允许建立辅连接时，根据该辅连接添加请求消息生成建立辅连接的配置信息，向主接入网设备返回辅连接添加请求消息的确认消息，该确认消息中携带辅连接的配置信息，该辅连接的配置信息用于建立辅连接；当辅接入网设备根据这些信息确定不允许建立辅连接时，向第一主接入网设备返回失败指示信息，该失败指示信息携带不允许建立辅连接的原因，例如：辅接入网设备的QoS不能满足数据的传输、辅接入网设备的链路质量过低、辅接入网设备当前处理拥塞状态。当主接入网设备再接收到终端设备上报的该辅接入网设备的测量结果信息时，该主接入网设备可以根据该失败指示信息中失败的原因确定是否向该第一辅接入网设备发送该测量结果信息，例如，当该第一辅接入网设备失败的原因是网络拥塞时，则当再收到该第一辅接入网设备的测量结果信息时，可以不向该第一辅接入网设备发送测量结果信息，这样可以降低功耗。
作为一个可选实施例，终端设备可以在向主接入网设备发起无线资源控制(Radio Resource Control，RRC)连接建立请求消息中携带该辅网络接入能力信息；当RRC连接建立完成后，终端设备可以在向主接入网设备发送的RRC连接建立完成消息中携带该辅网络接入能力信息；终端设备还可以在向主接入网设备发送的RRC重配置完成消息中携带该辅网络接入能力信息， 终端设备可以在向主接入网设备发起的任何一条空口消息中携带该辅网络接入能力信息，本发明对此并不限定。
主接入网设备还可以从核心网设备处获取该终端设备的辅网络接入能力信息。例如终端设备第一次开机进行附着过程时，将该辅网络接入能力信息通过网络附属存储(Network Attached Storage,NAS)信息发送给核心网设备。
作为一个可选实施例，在该主接入网设备向该第一辅接入网设备发送辅连接添加请求消息之前，包括：该主接入网设备接收该终端设备发送的至少一个辅接入网设备的测量结果信息，该测量结果信息用于指示相应辅接入网设备与该终端设备之间的链路质量；该主接入网设备根据该至少一个辅接入网设备中的每个辅接入网设备的测量结果信息，确定该第一辅接入网设备。
具体而言，终端设备可以将多个辅接入网设备的测量结果信息在接入主接入网设备的过程中发送给主接入网设备，主接入网设备在接收到终端设备的测量结果信息之后，根据该测量结果信息，确定添加哪个辅接入网设备，通过终端设备将多个辅接入网设备的测量结果信息发送给主接入网设备，可以选择辅接入网设备作为传输数据的网络设备，可以将数据尽早地分流数据到辅接入网设备，使得主接入网设备建立的辅连接尽早地可以为主接入网设备分流数据，可以降低主接入网设备的传输负荷。
作为一个可选实施例，该方法还包括：该主接入网设备向该终端设备发送该第一配置信息，以便于该终端设备根据该第一配置信息，建立与所述第一辅接入网设备之间的辅连接。
可选地，该主接入网设备为第一通信系统中的网络设备，该辅接入网设备为第二通信系统中的网络设备。优选地，该主接入网设备为LTE系统中的网络设备，该辅接入网设备为新无线NR系统中的网络设备。
图3示出了根据本发明一个实施例的建立辅连接的方法300的示意性框图，该方法300包括：
S310，第一辅接入网设备接收主接入网设备发送的辅连接添加请求消息，该辅连接添加请求消息用于请求添加第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；
S320，该第一辅接入网设备根据该辅网络接入能力信息，生成第一配置 信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接；
S330，该第一辅接入网设备向该主接入网设备发送该辅连接添加请求消息的确认消息，该辅连接添加请求消息的确认消息包括该第一配置信息。
具体而言，主接入网设备可以将从终端设备或者核心网设备处获取的该终端设备的辅网络接入能力信息发送给第一辅接入网设备，该第一辅接入网设备可以参考该辅网络接入能力信息，生成用于建立该第一辅接入网设备与该终端设备之间的辅连接的配置信息，并将该配置信息发送给主接入网设备，主接入网设备可以将该配置信息转发给终端设备，从而建立第一辅接入网设备与该终端设备之间的辅连接。
因此，本发明实施例提供了一种新的建立辅连接的方法，简单灵活，从而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
应理解，该辅网络接入能力信息可以是终端设备连接辅接入网设备的所有能力信息或者可以是终端设备在所有辅网络连接中可以使用的接入网能力信息，还可以是终端设备连接待添加接入网设备能够使用的接入网能力信息，只要该辅网络接入能力信息包括终端设备连接上述第一辅接入网设备的能力信息即可，本发明对此并不限定。
若该辅网络接入能力信息是终端连接辅接入网设备的所有能力信息时，主接入网设备向第一辅接入网设备发送的辅连接添加请求消息中还携带终端设备已经建立辅连接的配置信息，第一辅接入网设备可以考虑辅网络接入能力信息和辅连接添加请求消息中携带的配置信息，生成第一配置信息。例如，该终端设备建立的所有辅连接的配置不大于该辅网络接入能力信息指示的能力。
若该辅网络接入能力信息是终端设备为接入第一辅接入网设备分配的部分能力时，第一辅接入网设备在接收到该辅网络接入能力信息后，需要确保该第一辅接入网设备为该终端设备的配置不大于该辅网络接入能力信息指示的能力。
应理解，该辅网络接入能力信息还可以指示终端设备为一次想添加的多个接入网设备分配的部分能力信息，例如，终端设备接入接入网设备时一次课传输的最大数据块为32，终端设备向一次添加第一辅接入网设备和第二辅接入网设备，终端设备可以为该第一辅接入网设备和该第二辅接入网设备总 体分配能够传输的最大数据块为16，若先建立第一辅接入网设备与终端设备的辅连接时，第一辅接入网设备根据该分配的辅网络接入能力信息，确定第一配置信息，该第一配置信息中的最大传输数据块不大于16；若主接入网设备还想添加第二辅接入网设备为辅连接时，第一辅接入网设备得根据该分配的辅网络接入能力信息和第一配置信息，确定第二配置信息，该第二配置信息和第一配置信息中的最大传输数据块之和不大于16。
需要说明的是，方法300中的第一辅接入网设备与主接入网设备之间的流程具体可以参考方法200，为了简洁，在此不再赘述。
图4示出了根据本发明一个实施例的建立辅连接的方法400的示意性框图，该方法400包括：
S410，终端设备向主接入网设备发送该终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；
S420，该终端设备接收该主接入网设备发送的第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接。
具体而言，主接入网设备可以从终端设备或者核心网设备处获取该终端设备的辅网络接入能力信息，并将该辅网络接入能力信息发送给第一辅接入网设备，以便于该第一辅接入网设备可以参考该辅网络接入能力信息，生成用于建立该第一辅接入网设备与该终端设备之间的辅连接的配置信息，主接入网设备在接收到该配置信息后，将该配置信息转发给终端设备，从而建立第一辅接入网设备与该终端设备之间的辅连接。
因此，本发明实施例提供了一种新的建立辅连接的方法，简单灵活，从而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
作为一个可选实施例，该方法还包括：该终端设备向主接入网设备多个辅接入网设备的测量结果信息，该测量结果信息用于指示相应辅接入网设备与终端设备之间的链路质量，以便于该主接入网设备根据该多个测量结果信息确定该第一辅接入网设备。
具体地，当该终端设备与该辅接入网设备之间的信道质量满足预设条件时，该终端设备向该主接入网设备发送该测量结果信息。该预设条件可以是：根据协议规定的特定周期；也可以是当终端设备检测到与辅接入网设备之间的信道质量高于与第一主接入网设备之间的信道质量；也可以是当检测到辅 接入网设备的信道质量大于一定的阈值；也可以是当前小于的参考信号功率小于设定的阈值等等，也可以是终端设备实时测量，实时上报等等，本发明实施例对终端设备上报测量结果信息的触发条件并不限定。
作为一个可选实施例，该终端设备向主接入网设备发送该终端设备的辅网络接入能力信息，包括：该终端设备向该主接入网设备发送第一消息，该第一消息用于指示该终端设备与该第一辅接入网设备之间的配置生效，该第一消息包括该辅网络接入能力信息。
作为一个可选实施例，该方法还包括：该终端设备根据该第一配置信息，建立与该第一辅接入网设备之间的辅连接。
需要说明的是，方法400中的终端设备与主接入网设备之间的流程具体可以参考方法200，为了简洁，在此不再赘述。
为了便于理解，下面将结合图5至图7从终端设备、主接入网设备以及辅接入网设备交互的角度详细描述本发明实施例的建立辅连接的方法。
图5示出了本发明实施例的建立辅连接的方法500的示意性流程图。如图5所示，该方法500包括：
S510，LTE系统中的主接入网设备获取终端设备的NR能力信息，该NR能力信息用于指示终端设备接入NR系统中接入网设备的最大能力；
S520，LTE系统中的主接入网设备决定添加NR系统中的第一辅接入网设备，并向第一辅接入网设备发送NR添加请求，其中携带该终端设备的NR能力信息；
S530，NR系统中的第一辅接入网设备接收到LTE系统中的主接入网设备发送的NR添加请求之后，根据终端设备的NR能力信息进行第一辅接入网设备与终端设备之间的辅连接配置，即第一配置信息，并反馈给LTE系统中的主接入网设备；
S540，LTE系统中的主接入网设备通过RRC重配置消息将第一辅接入网设备与终端设备之间的辅连接配置发送给终端设备；
S550，当LTE系统中的主接入网设备决定添加NR系统中的第二辅接入网设备为第二辅连接时，将终端设备的NR能力信息以及该第一辅接入网设备与终端设备之间的辅连接配置通过添加请求发送给NR系统中的第二辅接入网设备；
S560，NR系统中的第二辅接入网设备根据终端的NR能力信息以及NR 系统中的第一辅接入网设备与终端设备之间的辅连接配置，生成NR系统中的第二辅接入网设备与终端设备之前的辅连接配置，即第二配置信息，并反馈给LTE系统中的主接入网设备；
S570，LTE系统中的主接入网设备通过RRC重配置消息将第二辅接入网设备与终端设备之间的辅连接配置发送给终端设备。
因此，本发明实施例提供了一种新的建立辅连接的方法，简单灵活，从而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
图6示出了本发明实施例的建立辅连接的方法600的示意性流程图。如图6所示，该方法600包括：
S610，LTE系统中的主接入网设备获取终端设备的NR能力信息，该NR能力信息用于指示可用于下次NR连接的NR能力信息；
S620，LTE系统中的主接入网设备决定添加NR系统中的第一辅接入网设备，并向第一辅接入网设备发送NR添加请求，其中携带可用于下次NR连接的NR能力信息；
S630，NR系统中的第一辅接入网设备接收到LTE系统中的主接入网设备发送的NR添加请求之后，根据终端设备的NR能力信息进行第一辅接入网设备与终端设备之间的辅连接配置，即第一配置信息，并反馈给LTE系统中的主接入网设备；
S640，LTE系统中的主接入网设备通过RRC重配置消息将第一辅接入网设备与终端设备之间的辅连接配置发送给终端设备；
S650，终端设备通过RRC重配置完成消息中携带可用于下次NR连接的NR能力信息；
S660，当LTE系统中的主接入网设备决定添加NR系统中的第二辅接入网设备为第二辅连接时，将可用于下次NR连接的NR能力信息发送给NR系统中的第二辅接入网设备；
S670，NR系统中的第二辅接入网设备根据可用于下次NR连接的NR能力信息，生成NR系统中的第二辅接入网设备与终端设备之前的辅连接配置，即第二配置信息，并反馈给LTE系统中的主接入网设备；
S680，LTE系统中的主接入网设备通过RRC重配置消息将第二辅接入网设备与终端设备之间的辅连接配置发送给终端设备。
因此，本发明实施例提供了一种新的建立辅连接的方法，简单灵活，从 而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
应理解，图5和图6示出了建立辅连接的方法的详细的步骤或操作，但这些步骤或操作仅是示例，本发明实施例还可以执行其他操作，或者图5或图6中各操作的变形。此外，图5和图6中的各个步骤可以按照与图5和图6呈现的不同顺序来执行，并且有可能并非要执行图5和图6中的全部操作。
此外，在上述各个方法实施例中，终端设备侧的步骤可以单独实现成为终端设备侧的建立辅连接的方法，主接入网设备侧的步骤可以单独实现成为接入网侧的建立辅连接的方法，辅接入网设备侧的步骤也可以单独实现成为接入网侧的建立辅连接的方法，在上述各个方法实施例中，接入网设备通常为基站，核心网设备通常为移动管理实体，终端设备通常为用户设备。
应理解，网络设备侧描述的网络设备与终端设备的交互及相关特性、功能等与终端设备侧的相关特性、功能相应，为了简洁，在此不再赘述。
还应理解，在本发明的各种实施例中，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，而不应对本发明实施例的实施过程构成任何限定。
上文中结合图2至图6，详细描述了根据本发明实施例的建立辅连接的方法，下面将结合图7至图12，描述根据本发明实施例的建立辅连接的装置，方法实施例所描述的技术特征可以适用于以下装置实施例。
图7示出了根据本发明实施例的建立辅连接的装置700的示意性框图。如图7所示，该装置700包括：
获取单元710，用于获取终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；
第一发送单元720，用于向第一辅接入网设备发送辅连接添加请求消息，该辅连接添加请求消息用于请求添加该第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括该辅网络接入能力信息；
第一接收单元730，用于向第一辅接入网设备发送辅连接添加请求消息，该辅连接添加请求消息用于请求添加该第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括该辅网络接入能力信息。
具体而言，装置700可以从终端设备或者核心网设备处获取该终端设备的辅网络接入能力信息，并将该辅网络接入能力信息发送给第一辅接入网设备，以便于该第一辅接入网设备可以参考该辅网络接入能力信息，生成用于 建立该第一辅接入网设备与该终端设备之间的辅连接的配置信息，装置700在接收到该配置信息后，将该配置信息转发给终端设备，从而建立第一辅接入网设备与该终端设备之间的辅连接。
因此，本发明实施例提供了一种建立辅连接的装置，简单灵活，从而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
可选地，在本发明实施例中，该辅连接添加请求消息还包括第二配置信息，该第二配置信息为该终端设备已经建立的辅连接的配置信息。
可选地，在本发明实施例中，该获取单元710具体用于：
接收该终端设备或核心网设备发送的第一消息，该第一消息包括该辅网络接入能力信息；
从该第一消息中，获取该辅网络接入能力信息。
可选地，在本发明实施例中，该获取单元710接收的该终端设备发送的该第一消息用于指示该终端设备与该第一辅接入网设备之间的配置生效。
可选地，在本发明实施例中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力，或该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，该待添加辅接入网设备包括该第一辅接入网设备。
可选地，在本发明实施例中，该装置700还包括：
第二接收单元740，用于接收该终端设备发送的至少一个辅接入网设备的测量结果信息，该测量结果信息用于指示相应辅接入网设备与该终端设备之间的链路质量；
确定单元750，用于根据该至少一个辅接入网设备中的每个辅接入网设备的测量结果信息，确定该第一辅接入网设备。
可选地，在本发明实施例中，该装置700还包括：
第二发送单元760，用于向该终端设备发送该第一配置信息，以便于该终端设备根据该第一配置信息，建立与该第一辅接入网设备之间的辅连接。
可选地，在本发明实施例中，该装置为第一通信系统中的网络设备，该辅接入网设备为第二通信系统中的网络设备。
应理解，根据本发明实施例的装置700可对应于本发明实施例的建立辅连接的方法200的执行主体，并且装置700中的各个模块的上述和其它操作和/或功能分别为了实现图2、图5和图6的各个方法的相应流程，为了简洁， 在此不再赘述。
图8示出了根据本发明实施例的建立辅连接的装置800的示意性框图。如图8所示，该装置800包括：
接收单元810，用于接收主接入网设备发送的辅连接添加请求消息，该辅连接添加请求消息用于请求添加第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；
生成单元820，用于根据该辅网络接入能力信息，生成第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接；
发送单元830，用于向该主接入网设备发送该辅连接添加请求消息的确认消息，该辅连接添加请求消息的确认消息包括该第一配置信息。
具体而言，主接入网设备可以从终端设备或者核心网设备处获取该终端设备的辅网络接入能力信息，并将该辅网络接入能力信息发送给装置800，以便于该装置800可以参考该辅网络接入能力信息，生成用于建立该装置800与该终端设备之间的辅连接的配置信息，主接入网设备在接收到该配置信息后，将该配置信息转发给终端设备，从而建立装置800与该终端设备之间的辅连接。
因此，本发明实施例提供了一种建立辅连接的装置，简单灵活，从而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
可选地，在本发明实施例中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力，该辅连接添加请求消息还包括第二配置信息，该第二配置信息为该终端设备已经建立的辅连接的配置信息，该生成单元820具体用于：
根据该辅网络接入能力信息和该第二配置信息，生成该第一配置信息，该第一配置信息和该第二配置信息对应的配置之和不超过该辅网络接入能力信息指示的该终端设备对接入辅接入网设备所支持的能力。
可选地，在本发明实施例中，该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，该待添加辅接入网设备包括该第一辅接入网设备。
可选地，在本发明实施例中，该主接入网设备为第一通信系统中的网络设备，该辅接入网设备为第二通信系统中的网络设备。
应理解，根据本发明实施例的装置800可对应于本发明实施例的建立辅连接的方法300的执行主体，并且装置800中的各个模块的上述和其它操作和/或功能分别为了实现图3、图5和图6的各个方法的相应流程，为了简洁，在此不再赘述。
图9示出了根据本发明实施例的建立辅连接的装置900的示意性框图。如图9所示，该装置900包括：
发送单元910，用于向主接入网设备发送该终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；
接收单元920，用于接收该主接入网设备发送的第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接。
具体而言，主接入网设备可以从装置900处获取该终端设备的辅网络接入能力信息，并将该辅网络接入能力信息发送给第一辅接入网设备，以便于该第一辅接入网设备可以参考该辅网络接入能力信息，生成用于建立该第一辅接入网设备与该装置900之间的辅连接的配置信息，主接入网设备在接收到该配置信息后，将该配置信息转发给装置900，从而建立第一辅接入网设备与该装置900之间的辅连接。
因此，本发明实施例提供了一种建立辅连接的装置，简单灵活，从而能够提高用户平面的数据吞吐量以及减轻主接入网设备的负荷。
可选地，在本发明实施例中，该发送单元910具体用于：
向该主接入网设备发送第一消息，该第一消息用于指示该终端设备与该第一辅接入网设备之间的配置生效，该第一消息包括该辅网络接入能力信息。
可选地，在本发明实施例中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力，或该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，该待添加辅接入网设备包括该第一辅接入网设备。
可选地，在本发明实施例中，该装置900还包括：
接入单元930，用于根据该第一配置信息，建立与该第一辅接入网设备之间的辅连接。
可选地，在本发明实施例中，该主接入网设备为第一通信系统中的网络 设备，该辅接入网设备为第二通信系统中的网络设备。
应理解，根据本发明实施例的装置900可对应于本发明实施例的建立辅连接的方法400的执行主体，并且装置900中的各个模块的上述和其它操作和/或功能分别为了实现图4、图5和图6的各个方法的相应流程，为了简洁，在此不再赘述。
需要说明的一点是，上述实施例提供的装置在实现其功能时，仅以上述各功能单元的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能单元完成，即将设备的内部结构划分成不同的功能单元，以完成以上描述的全部或者部分功能。另外，上述实施例提供的装置与方法实施例属于同一构思，其具体实现过程详见方法实施例，这里不再赘述。
图10示出了根据本发明实施例的装置10的示意性框图。图10所示的装置10包括：存储器11、处理器12、输入/输出接口13、通信接口14和总线系统15。其中，存储器11、处理器12、输入/输出接口13和通信接口14通过总线系统15相连，该存储器11用于存储指令，该处理器12用于执行该存储器11存储的指令，以控制输入/输出接口13接收输入的数据和信息，输出操作结果等数据，并控制通信接口14发送信号。
处理器12，用于获取终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；向第一辅接入网设备发送辅连接添加请求消息，该辅连接添加请求消息用于请求添加该第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括该辅网络接入能力信息；接收该第一辅接入网设备发送的该辅连接添加请求消息的确认消息，该辅连接添加请求消息的确认消息包括第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接。
可选地，在本发明实施例中，该辅连接添加请求消息还包括第二配置信息，该第二配置信息为该终端设备已经建立的辅连接的配置信息。
可选地，在本发明实施例中，处理器12具体用于：接收该终端设备或核心网设备发送的第一消息，该第一消息包括该辅网络接入能力信息；从该第一消息中，获取该辅网络接入能力信息。
可选地，在本发明实施例中，处理器12具体用于：接收该终端设备发送的第一消息，该第一消息用于指示该终端设备与该第一辅接入网设备之间的配置生效。
可选地，在本发明实施例中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力；或该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，该待添加辅接入网设备包括该第一辅接入网设备。
可选地，在本发明实施例中，处理器12具体用于：接收该终端设备发送的至少一个辅接入网设备的测量结果信息，该测量结果信息用于指示相应辅接入网设备与该终端设备之间的链路质量；根据该至少一个辅接入网设备中的每个辅接入网设备的测量结果信息，确定该第一辅接入网设备。
可选地，在本发明实施例中，处理器12还用于：向该终端设备发送该第一配置信息，以便于该终端设备根据该第一配置信息，建立与该第一辅接入网设备之间的辅连接。
可选地，在本发明实施例中，该装置10为第一通信系统中的网络设备，该辅接入网设备为第二通信系统中的网络设备。
应理解，在本发明实施例中，该处理器12可以采用通用的中央处理器(Central Processing Unit，CPU)，微处理器，应用专用集成电路(Application Specific Integrated Circuit，ASIC)，或者一个或多个集成电路，用于执行相关程序，以实现本发明实施例所提供的技术方案。
还应理解，通信接口14使用例如但不限于收发器一类的收发装置，来实现接入网实体10与其他设备或通信网络之间的通信。
该存储器11可以包括只读存储器和随机存取存储器，并向处理器12提供指令和数据。处理器12的一部分还可以包括非易失性随机存取存储器。例如，处理器12还可以存储设备类型的信息。
该总线系统15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系统15。
在实现过程中，上述方法的各步骤可以通过处理器12中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的建立辅连接的方法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11，处理器12读取存储器11中的信息，结合 其硬件完成上述方法200的步骤。为避免重复，这里不再详细描述。
图11示出了根据本发明实施例的装置20的示意性框图。图11所示的装置20包括：存储器21、处理器22、输入/输出接口23、通信接口24和总线系统25。其中，存储器21、处理器22、输入/输出接口23和通信接口24通过总线系统25相连，该存储器21用于存储指令，该处理器22用于执行该存储器21存储的指令，以控制输入/输出接口23接收输入的数据和信息，输出操作结果等数据，并控制通信接口24发送信号。
处理器22，用于接收主接入网设备发送的辅连接添加请求消息，该辅连接添加请求消息用于请求添加第一辅接入网设备为传输数据的网络设备，该辅连接添加请求消息包括辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；根据该辅网络接入能力信息，生成第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接；向该主接入网设备发送该辅连接添加请求消息的确认消息，该辅连接添加请求消息的确认消息包括该第一配置信息。
可选地，在本发明实施例中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力，该辅连接添加请求消息还包括第二配置信息，该第二配置信息为该终端设备已经建立的辅连接的配置信息，处理器22具体用于：根据该辅网络接入能力信息和该第二配置信息，生成该第一配置信息，该第一配置信息和该第二配置信息对应的配置之和不超过该辅网络接入能力信息指示的该终端设备对接入辅接入网设备所支持的能力。
可选地，在本发明实施例中，该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，该待添加辅接入网设备包括该第一辅接入网设备。
应理解，在本发明实施例中，该处理器22可以采用通用的中央处理器(Central Processing Unit，CPU)，微处理器，应用专用集成电路(Application Specific Integrated Circuit，ASIC)，或者一个或多个集成电路，用于执行相关程序，以实现本发明实施例所提供的技术方案。
还应理解，通信接口24使用例如但不限于收发器一类的收发装置，来实现接入网实体20与其他设备或通信网络之间的通信。
该存储器21可以包括只读存储器和随机存取存储器，并向处理器22提供指令和数据。处理器22的一部分还可以包括非易失性随机存取存储器。 例如，处理器22还可以存储设备类型的信息。
该总线系统25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系统25。
在实现过程中，上述方法的各步骤可以通过处理器22中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的建立辅连接的方法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21，处理器22读取存储器21中的信息，结合其硬件完成上述方法300的步骤。为避免重复，这里不再详细描述。
图12示出了根据本发明实施例的装置30的示意性框图。图12所示的装置30包括：存储器31、处理器32、输入/输出接口33、通信接口34和总线系统35。其中，存储器31、处理器32、输入/输出接口33和通信接口34通过总线系统35相连，该存储器31用于存储指令，该处理器32用于执行该存储器31存储的指令，以控制输入/输出接口33接收输入的数据和信息，输出操作结果等数据，并控制通信接口34发送信号。
处理器32，用于向主接入网设备发送该终端设备的辅网络接入能力信息，该辅网络接入能力信息用于指示该终端设备对接入辅接入网设备所支持的能力；接收该主接入网设备发送的第一配置信息，该第一配置信息用于建立该第一辅接入网设备与该终端设备之间的辅连接。
可选地，在本发明实施例中，处理器32具体用于：向该主接入网设备发送第一消息，该第一消息用于指示该终端设备与该第一辅接入网设备之间的配置生效，该第一消息包括该辅网络接入能力信息。
可选地，在本发明实施例中，该辅网络接入能力信息用于指示该终端设备接入辅接入网设备的最大能力，或该辅网络接入能力信息用于指示该终端设备对接入待添加辅接入网设备所支持的能力，该待添加辅接入网设备包括该第一辅接入网设备。
可选地，在本发明实施例中，处理器32还用于：根据该第一配置信息，建立与该第一辅接入网设备之间的辅连接。
应理解，在本发明实施例中，该处理器32可以采用通用的中央处理器 (Central Processing Unit，CPU)，微处理器，应用专用集成电路(Application Specific Integrated Circuit，ASIC)，或者一个或多个集成电路，用于执行相关程序，以实现本发明实施例所提供的技术方案。
还应理解，通信接口34使用例如但不限于收发器一类的收发装置，来实现终端设备30与其他设备或通信网络之间的通信。
该存储器31可以包括只读存储器和随机存取存储器，并向处理器32提供指令和数据。处理器32的一部分还可以包括非易失性随机存取存储器。例如，处理器32还可以存储设备类型的信息。
该总线系统35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系统35。
在实现过程中，上述方法的各步骤可以通过处理器32中的硬件的集成逻辑电路或者软件形式的指令完成。结合本发明实施例所公开的建立辅连接的方法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31，处理器32读取存储器31中的信息，结合其硬件完成上述方法500的步骤。为避免重复，这里不再详细描述。
应理解，在本发明实施例中，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
应理解，在本发明的各种实施例中，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，而不应对本发明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示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特 定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理模块中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本发明的具体实施方式，但本发明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发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护 范围应以所述权利要求的保护范围为准。

Claims (34)

  1. 一种建立辅连接的方法，其特征在于，包括：
    主接入网设备获取终端设备的辅网络接入能力信息，所述辅网络接入能力信息用于指示所述终端设备对接入辅接入网设备所支持的能力；
    所述主接入网设备向第一辅接入网设备发送辅连接添加请求消息，所述辅连接添加请求消息用于请求添加所述第一辅接入网设备为传输数据的网络设备，所述辅连接添加请求消息包括所述辅网络接入能力信息；
    所述主接入网设备接收所述第一辅接入网设备发送的所述辅连接添加请求消息的确认消息，所述辅连接添加请求消息的确认消息包括第一配置信息，所述第一配置信息用于建立所述第一辅接入网设备与所述终端设备之间的辅连接。
  2. 根据权利要求1所述的方法，其特征在于，所述辅连接添加请求消息还包括第二配置信息，所述第二配置信息为所述终端设备已经建立的辅连接的配置信息。
  3. 根据权利要求1或2所述的方法，其特征在于，所述主接入网设备获取终端设备的辅网络接入能力信息，包括：
    所述主接入网设备接收所述终端设备或核心网设备发送的第一消息，所述第一消息包括所述辅网络接入能力信息；
    所述主接入网设备从所述第一消息中，获取所述辅网络接入能力信息。
  4. 根据权利要求3所述的方法，其特征在于，所述主接入网设备接收所述终端设备发送的第一消息，包括：
    所述主接入网设备接收所述终端设备发送的第一消息，所述第一消息用于指示所述终端设备与所述第一辅接入网设备之间的配置生效。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述辅网络接入能力信息用于指示所述终端设备接入辅接入网设备的最大能力；
    或所述辅网络接入能力信息用于指示所述终端设备对接入待添加辅接入网设备所支持的能力，所述待添加辅接入网设备包括所述第一辅接入网设备。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，在所述主接入网设备向所述第一辅接入网设备发送辅连接添加请求消息之前，包括：
    所述主接入网设备接收所述终端设备发送的至少一个辅接入网设备的 测量结果信息，所述测量结果信息用于指示相应辅接入网设备与所述终端设备之间的链路质量；
    所述主接入网设备根据所述至少一个辅接入网设备中的每个辅接入网设备的测量结果信息，确定所述第一辅接入网设备。
  7. 根据权利要求1至6中任一项所述的方法，其特征在于，所述方法还包括：
    所述主接入网设备向所述终端设备发送所述第一配置信息，以便于所述终端设备根据所述第一配置信息，建立与所述第一辅接入网设备之间的辅连接。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述主接入网设备为第一通信系统中的网络设备，所述辅接入网设备为第二通信系统中的网络设备。
  9. 一种建立辅连接的方法，其特征在于，包括：
    第一辅接入网设备接收主接入网设备发送的辅连接添加请求消息，所述辅连接添加请求消息用于请求添加所述第一辅接入网设备为传输数据的网络设备，所述辅连接添加请求消息包括辅网络接入能力信息，所述辅网络接入能力信息用于指示所述终端设备对接入辅接入网设备所支持的能力；
    所述第一辅接入网设备根据所述辅网络接入能力信息，生成第一配置信息，所述第一配置信息用于建立所述第一辅接入网设备与所述终端设备之间的辅连接；
    所述第一辅接入网设备向所述主接入网设备发送所述辅连接添加请求消息的确认消息，所述辅连接添加请求消息的确认消息包括所述第一配置信息。
  10. 根据权利要求9所述的方法，其特征在于，所述辅网络接入能力信息用于指示所述终端设备接入辅接入网设备的最大能力，所述辅连接添加请求消息还包括第二配置信息，所述第二配置信息为所述终端设备已经建立的辅连接的配置信息，所述第一辅接入网设备根据所述辅网络接入能力信息，生成第一配置信息，包括：
    所述第一辅接入网设备根据所述辅网络接入能力信息和所述第二配置信息，生成所述第一配置信息，所述第一配置信息和所述第二配置信息对应的配置之和不超过所述辅网络接入能力信息指示的所述终端设备对接入辅 接入网设备所支持的能力。
  11. 根据权利要求9所述的方法，其特征在于，所述辅网络接入能力信息用于指示所述终端设备对接入待添加辅接入网设备所支持的能力，所述待添加辅接入网设备包括所述第一辅接入网设备。
  12. 根据权利要求9至11中任一项所述的方法，其特征在于，所述主接入网设备为第一通信系统中的网络设备，所述辅接入网设备为第二通信系统中的网络设备。
  13. 一种建立辅连接的方法，其特征在于，包括：
    终端设备向主接入网设备发送所述终端设备的辅网络接入能力信息，所述辅网络接入能力信息用于指示所述终端设备对接入辅接入网设备所支持的能力；
    所述终端设备接收所述主接入网设备发送的第一配置信息，所述第一配置信息用于建立所述第一辅接入网设备与所述终端设备之间的辅连接。
  14. 根据权利要求13所述的方法，其特征在于，所述终端设备向主接入网设备发送所述终端设备的辅网络接入能力信息，包括：
    所述终端设备向所述主接入网设备发送第一消息，所述第一消息用于指示所述终端设备与所述第一辅接入网设备之间的配置生效，所述第一消息包括所述辅网络接入能力信息。
  15. 根据权利要求13或14所述的方法，其特征在于，所述辅网络接入能力信息用于指示所述终端设备接入辅接入网设备的最大能力；
    或所述辅网络接入能力信息用于指示所述终端设备对接入待添加辅接入网设备所支持的能力，所述待添加辅接入网设备包括所述第一辅接入网设备。
  16. 根据权利要求13至15中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备根据所述第一配置信息，建立与所述第一辅接入网设备之间的辅连接。
  17. 根据权利要求13至16中任一项所述的方法，其特征在于，所述主接入网设备为第一通信系统中的网络设备，所述辅接入网设备为第二通信系统中的网络设备。
  18. 一种建立辅连接的装置，其特征在于，所述装置包括：
    获取单元，用于获取终端设备的辅网络接入能力信息，所述辅网络接入能力信息用于指示所述终端设备对接入辅接入网设备所支持的能力；
    第一发送单元，用于向第一辅接入网设备发送辅连接添加请求消息，所述辅连接添加请求消息用于请求添加所述第一辅接入网设备为传输数据的网络设备，所述辅连接添加请求消息包括所述辅网络接入能力信息；
    第一接收单元，用于接收所述第一辅接入网设备发送的所述辅连接添加请求消息的确认消息，所述辅连接添加请求消息的确认消息包括第一配置信息，所述第一配置信息用于建立所述第一辅接入网设备与所述终端设备之间的辅连接。
  19. 根据权利要求18所述的装置，其特征在于，所述辅连接添加请求消息还包括第二配置信息，所述第二配置信息为所述终端设备已经建立的辅连接的配置信息。
  20. 根据权利要求18或19所述的装置，其特征在于，所述获取单元具体用于：
    接收所述终端设备或核心网设备发送的第一消息，所述第一消息包括所述辅网络接入能力信息；
    从所述第一消息中，获取所述辅网络接入能力信息。
  21. 根据权利要求20所述的装置，其特征在于，所述获取单元接收的所述终端设备发送的所述第一消息用于指示所述终端设备与该第一辅接入网设备之间的配置生效。
  22. 根据权利要求18至21中任一项所述的装置，其特征在于，所述辅网络接入能力信息用于指示所述终端设备接入辅接入网设备的最大能力；
    或所述辅网络接入能力信息用于指示所述终端设备对接入待添加辅接入网设备所支持的能力，所述待添加辅接入网设备包括所述第一辅接入网设备。
  23. 根据权利要求18至22中任一项所述的装置，其特征在于，所述装置还包括：
    第二接收单元，用于接收所述终端设备发送的至少一个辅接入网设备的测量结果信息，所述测量结果信息用于指示相应辅接入网设备与所述终端设备之间的链路质量；
    确定单元，用于根据所述至少一个辅接入网设备中的每个辅接入网设备 的测量结果信息，确定所述第一辅接入网设备。
  24. 根据权利要求18至23中任一项所述的装置，其特征在于，所述装置还包括：
    第二发送单元，用于向所述终端设备发送所述第一配置信息，以便于所述终端设备根据所述第一配置信息，建立与所述第一辅接入网设备之间的辅连接。
  25. 根据权利要求18至24中任一项所述的装置，其特征在于，所述装置为第一通信系统中的网络设备，所述辅接入网设备为第二通信系统中的网络设备。
  26. 一种建立辅连接的装置，其特征在于，所述装置包括：
    接收单元，用于接收主接入网设备发送的辅连接添加请求消息，所述辅连接添加请求消息用于请求添加第一辅接入网设备为传输数据的网络设备，所述辅连接添加请求消息包括辅网络接入能力信息，所述辅网络接入能力信息用于指示所述终端设备对接入辅接入网设备所支持的能力；
    生成单元，用于根据所述辅网络接入能力信息，生成第一配置信息，所述第一配置信息用于建立所述第一辅接入网设备与所述终端设备之间的辅连接；
    发送单元，用于向所述主接入网设备发送所述辅连接添加请求消息的确认消息，所述辅连接添加请求消息的确认消息包括所述第一配置信息。
  27. 根据权利要求26所述的装置，其特征在于，所述辅网络接入能力信息用于指示所述终端设备接入辅接入网设备的最大能力，所述辅连接添加请求消息还包括第二配置信息，所述第二配置信息为所述终端设备已经建立的辅连接的配置信息，所述生成单元具体用于：
    根据所述辅网络接入能力信息和所述第二配置信息，生成所述第一配置信息，所述第一配置信息和所述第二配置信息对应的配置之和不超过所述辅网络接入能力信息指示的所述终端设备对接入辅接入网设备所支持的能力。
  28. 根据权利要求26所述的装置，其特征在于，所述辅网络接入能力信息用于指示所述终端设备对接入待添加辅接入网设备所支持的能力，所述待添加辅接入网设备包括所述第一辅接入网设备。
  29. 根据权利要求26至28中任一项所述的装置，其特征在于，所述主接入网设备为第一通信系统中的网络设备，所述装置为第二通信系统中的网 络设备。
  30. 一种建立辅连接的装置，其特征在于，所述装置包括：
    发送单元，用于向主接入网设备发送所述终端设备的辅网络接入能力信息，所述辅网络接入能力信息用于指示所述终端设备对接入辅接入网设备所支持的能力；
    接收单元，用于接收所述主接入网设备发送的第一配置信息，所述第一配置信息用于建立所述第一辅接入网设备与所述终端设备之间的辅连接。
  31. 根据权利要求30所述的装置，其特征在于，所述发送单元具体用于：
    向所述主接入网设备发送第一消息，所述第一消息用于指示所述终端设备与所述第一辅接入网设备之间的配置生效，所述第一消息包括所述辅网络接入能力信息。
  32. 根据权利要求30或31所述的装置，其特征在于，所述辅网络接入能力信息用于指示所述终端设备接入辅接入网设备的最大能力；
    或所述辅网络接入能力信息用于指示所述终端设备对接入待添加辅接入网设备所支持的能力，所述待添加辅接入网设备包括所述第一辅接入网设备。
  33. 根据权利要求30至32中任一项所述的装置，其特征在于，所述装置还包括：
    接入单元，用于根据所述第一配置信息，建立与所述第一辅接入网设备之间的辅连接。
  34. 根据权利要求30至33中任一项所述的装置，其特征在于，所述主接入网设备为第一通信系统中的网络设备，所述辅接入网设备为第二通信系统中的网络设备。
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