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WO2019218281A1 - 通信方法及网络设备 - Google Patents

通信方法及网络设备 Download PDF

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Publication number
WO2019218281A1
WO2019218281A1 PCT/CN2018/087149 CN2018087149W WO2019218281A1 WO 2019218281 A1 WO2019218281 A1 WO 2019218281A1 CN 2018087149 W CN2018087149 W CN 2018087149W WO 2019218281 A1 WO2019218281 A1 WO 2019218281A1
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WO
WIPO (PCT)
Prior art keywords
terminal
information
network device
network
initiated
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/087149
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English (en)
French (fr)
Inventor
刘建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201880093466.7A priority Critical patent/CN112189358B/zh
Priority to EP18919170.3A priority patent/EP3793318B1/en
Priority to AU2018423417A priority patent/AU2018423417A1/en
Priority to KR1020207034899A priority patent/KR20210008844A/ko
Priority to PCT/CN2018/087149 priority patent/WO2019218281A1/zh
Publication of WO2019218281A1 publication Critical patent/WO2019218281A1/zh
Priority to US17/091,243 priority patent/US20210058845A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H04W36/38—Reselection control by fixed network equipment
    • H04W36/385—Reselection control by fixed network equipment of the core network
    • 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
    • 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
    • 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
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • 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
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00837—Determination of triggering parameters for hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1443—Reselecting a network or an air interface over a different radio air interface technology between licensed networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/005—Multiple registrations, e.g. multihoming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • 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

Definitions

  • the present invention relates to wireless communication technologies, and in particular, to a communication method and a network device.
  • the User Equipment can access the 5G core network, the Next Generation Core Network (NGCN), through the Next Generation-Radio Access Network (NG-RAN).
  • the Evolved Universal Mobile Telecommunication System Territorial Radio Access Network can also be used to access the 4G core network, the Evolved Packet Core Network (EPC).
  • EPC Evolved Packet Core Network
  • NGCN and EPC can be implemented through the N26 network interface between the Access and Mobility Management Function (AMF) in the NGCN and the Mobility Management Entity (MME) in the EPC. The network changes between.
  • AMF Access and Mobility Management Function
  • MME Mobility Management Entity
  • aspects of the present invention provide a communication method and network device for improving reliability of network changes between different types of core networks.
  • An aspect of the present invention provides a communication method, including:
  • the first network device acquires behavior decision information of the terminal, where the behavior decision information includes terminal capability information of the terminal, service requirement information initiated by the terminal, service quality information initiated by the terminal, and user subscription information of the terminal. At least one of them;
  • the first network device sends first indication information to the terminal according to the behavior decision information, to instruct the terminal to perform a specific mobility procedure.
  • Another aspect of the present invention provides a first network device, including:
  • An obtaining unit configured to acquire behavior decision information of the terminal, where the behavior decision information includes terminal capability information of the terminal, service requirement information initiated by the terminal, service quality information initiated by the terminal, and user subscription of the terminal At least one of the information;
  • a sending unit configured to send the first indication information to the terminal according to the behavior decision information, to instruct the terminal to perform a specific mobility procedure.
  • the embodiment of the present invention obtains the behavior decision information of the terminal by using the first network device, where the behavior decision information includes the terminal capability information of the terminal, the service requirement information initiated by the terminal, and the terminal initiated by the terminal. At least one of the service quality information and the user subscription information of the terminal, so that the first network device can send the first indication information to the terminal according to the behavior decision information, to instruct the terminal to perform a specific.
  • the mobility process since the first network device no longer only depends on whether there is a network interface between different types of core networks, indicates to the terminal to perform a specific mobility process, and in combination with the behavior decision information of the terminal, instructs the terminal to perform specific
  • the mobility process enables the terminal to implement network switching without service interruption based on two different types of core networks registered by the terminal in the presence of a network interface between different types of core networks, thereby improving different types of core networks. The reliability of the network changes between.
  • FIG. 1 is a schematic flowchart of a communication method according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a first network device according to another embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a communication method according to an embodiment of the present invention, as shown in FIG. 1.
  • the first network device acquires the behavior decision information of the terminal, where the behavior decision information includes the terminal capability information of the terminal, the service requirement information initiated by the terminal, the service quality information initiated by the terminal, and the user of the terminal. At least one of the contract information.
  • the first network device sends first indication information to the terminal according to the behavior decision information, to indicate that the terminal performs a specific mobility procedure.
  • the specific mobility process may include, but is not limited to, a dual wireless process, a dual registration process, a dual connectivity process, or a mobility process not based on a network interface, which is not specifically limited in this embodiment.
  • the so-called dual wireless process refers to the process in which the terminal performs a dual wireless process to enter the dual wireless mode.
  • the dual wireless mode means that the terminal can respectively connect two types of radio access networks, namely, the radio access network 1 and the radio access network 2, through two radio frequency units, namely, the radio unit 1 and the radio unit 2.
  • Each of the two types of radio access networks may be connected to one type of core network, or may be connected to the same core network. This embodiment does not specifically limit this.
  • the terminal can connect the NG-RAN and the E-UTRAN through two radio units respectively.
  • the so-called dual registration process refers to the process in which the terminal performs the dual registration process and enters the dual registration mode.
  • the dual registration mode means that the terminal can simultaneously connect two types of radio access networks, namely, the radio access network 1 and the radio access network 2, and each of the two types of radio access networks are respectively connected.
  • the terminal can connect to the two types of radio access networks through one radio frequency unit or through two radio frequency units.
  • the terminal can access the 5G core network, that is, the NGCN through the NG-RAN, and can also access the 4G core network, that is, the EPC, through the E-UTRAN.
  • the so-called dual connection process refers to the ability of the terminal to perform the dual connection process to enter the dual connectivity mode.
  • the dual connection mode means that the terminal can simultaneously connect two types of radio access networks, namely, the radio access network 1 and the radio access network 2, and each of the two types of radio access networks is connected with the same A core network.
  • the terminal can connect to the two types of radio access networks through one radio frequency unit or through two radio frequency units.
  • the terminal can access the 5G core network, that is, the NGCN through the NG-RAN and the E-UTRAN, or can also access the 4G core network, that is, the EPC, through the NG-RAN and the E-UTRAN.
  • the first network device involved in the present invention may be a mobility management device, for example, an Access and Mobility Management Function (AMF) entity and a session management function in the NGCN ( a Session Management Function (SMF) entity, or, for example, a Mobility Management Entity (MME) in the EPC, or may also be an access network device, for example, an evolved base station in E-UTRAN (Evolved) NodeB, eNB), or, for example, a 5G base station in the NG-RAN, that is, gNB or the like.
  • AMF Access and Mobility Management Function
  • MME Mobility Management Entity
  • the core idea of the present invention is that the first network device determines whether to perform a specific mobility procedure to the terminal by obtaining the behavior decision information of the terminal, instead of relying only on whether there is a network interface between different types of core networks. Instructing the terminal to perform a specific mobility procedure, so that the terminal can implement network handover without service interruption based on two different types of core networks registered by the terminal in the case that a network interface exists between different types of core networks. Improve the reliability of network changes between different types of core networks.
  • this embodiment may be applicable to network changes between different types of core networks, for example, a network change from a 5G core network NGCN to a 4G core network EPC, or, for example, from a 4G core network EPC to a 5G core.
  • the network change of the network NGCN, or the network change from the 5G core network NGCN to the 3G core network, is not specifically limited in this embodiment.
  • the terminal capability information may include, but is not limited to, at least one of the following information:
  • Whether to support capability information of a network interface-less mobility procedure for example, an N26 network interface between an AMF in an NGCN and an MME in an EPC.
  • the first network device may obtain behavior decision information of the terminal in multiple manners.
  • the first network device receives the terminal capability information of the terminal that is sent by the terminal through the registration process initiated by the terminal.
  • the registration process herein refers to a registration process initiated by the terminal in at least one of the source system, that is, the source access network and the source core network.
  • the first network device may specifically receive terminal capability information of the terminal that is sent by the terminal by using at least one of a registration request message and a location update message.
  • the registration request message may include, but is not limited to, at least one of the following types of registration request messages:
  • the first network device receives the service request information initiated by the terminal that is sent by the terminal by using the service initiated by the terminal.
  • the first network device may specifically receive, by using at least one of a service connection establishment request message and a service connection modification message, the service request information initiated by the terminal.
  • the service requirement information may include, but is not limited to, at least one of the following information:
  • Adopting a network interface-less mobility procedure such as an N26 network interface between the AMF in the NGCN and the MME in the EPC;
  • the first network device acquires service quality information initiated by the terminal, for example, quality of service (QoS) information of the service connection, based on the service process initiated by the terminal.
  • QoS quality of service
  • the delay in the request requires at least one of information and the user subscription information of the terminal.
  • the first indication information that is sent by the first network device to the terminal may be instructed to perform a specific mobility procedure.
  • the first network device may specifically send the first indication information to the terminal by using at least one of a registration reply message and a location update reply message.
  • the registration reply message may include, but is not limited to, at least one of the following types of registration reply messages:
  • the first indication information may include, but is not limited to, at least one of the following indications:
  • the network interface-based mobility procedure indication is not, for example, an N6 network interface between the AMF in the NGCN and the MME in the EPC.
  • the terminal may perform a specific mobility procedure by using the measurement configuration information.
  • the specific mobility procedure herein refers to a registration process initiated by the terminal in at least one of the target system, that is, the target access network and the target core network.
  • the terminal may establish a service connection in the target system, or may establish a service connection in the target system, or may also meet the specific delay requirement of the terminal.
  • the service of the information establishes a service connection in the target system, which is not specifically limited in this embodiment.
  • the measurement configuration information used by the terminal may include but is not limited to the following information:
  • the link quality of the target access network is greater than or equal to the first threshold
  • the link quality of the target access network is greater than or equal to the first threshold, and the link quality of the source access network is less than the second threshold.
  • the terminal may obtain measurement configuration information according to preset configuration data.
  • the first network device may further send second indication information to the second network device to instruct the terminal to perform a specific mobility procedure.
  • the second network device may further send the measurement to the terminal. Configuration information for the terminal to perform a particular mobility process.
  • the second network device may be an Evolved NodeB (eNB) in E-UTRAN.
  • eNB Evolved NodeB
  • the second network device may be a 5G base station in the NG-RAN, that is, a gNB or the like.
  • the behavior decision information of the terminal is obtained by the first network device, where the behavior decision information includes the terminal capability information of the terminal, the service requirement information initiated by the terminal, and the service quality information and the information initiated by the terminal. At least one of the user subscription information of the terminal, so that the first network device can send the first indication information to the terminal according to the behavior decision information, to instruct the terminal to perform a specific mobility process, Since the first network device no longer only depends on whether there is a network interface between different types of core networks, indicating to the terminal to perform a specific mobility process, and in combination with the behavior decision information of the terminal, instructing the terminal to perform a specific mobility process, To enable the terminal to have a network interface between different types of core networks, based on two different types of core networks registered by the terminal, implement network transfer without service interruption, thereby improving network changes between different types of core networks. Reliability.
  • FIG. 2 is a schematic structural diagram of a first network device according to another embodiment of the present invention, as shown in FIG. 4 .
  • the first network device of this embodiment may include an obtaining unit 21 and a sending unit 22.
  • the obtaining unit 21 is configured to acquire behavior decision information of the terminal, where the behavior decision information includes terminal capability information of the terminal, service requirement information initiated by the terminal, service quality information initiated by the terminal, and the terminal. At least one of the user subscription information; the sending unit 22 is configured to send the first indication information to the terminal according to the behavior decision information, to instruct the terminal to perform a specific mobility procedure.
  • the specific mobility process may include, but is not limited to, a dual wireless process, a dual registration process, a dual connectivity process, or a mobility process not based on a network interface, which is not specifically limited in this embodiment.
  • the so-called dual wireless process refers to the process in which the terminal performs a dual wireless process to enter the dual wireless mode.
  • the dual wireless mode means that the terminal can respectively connect two types of radio access networks, namely, the radio access network 1 and the radio access network 2, through two radio frequency units, namely, the radio unit 1 and the radio unit 2.
  • Each of the two types of radio access networks may be connected to one type of core network, or may be connected to the same core network. This embodiment does not specifically limit this.
  • the terminal can connect the NG-RAN and the E-UTRAN through two radio units respectively.
  • the so-called dual registration process refers to the process in which the terminal performs the dual registration process and enters the dual registration mode.
  • the dual registration mode means that the terminal can simultaneously connect two types of radio access networks, namely, the radio access network 1 and the radio access network 2, and each of the two types of radio access networks are respectively connected.
  • the terminal can connect to the two types of radio access networks through one radio frequency unit or through two radio frequency units.
  • the terminal can access the 5G core network, that is, the NGCN through the NG-RAN, and can also access the 4G core network, that is, the EPC, through the E-UTRAN.
  • the so-called dual connection process refers to the ability of the terminal to perform the dual connection process to enter the dual connectivity mode.
  • the dual connection mode means that the terminal can simultaneously connect two types of radio access networks, namely, the radio access network 1 and the radio access network 2, and each of the two types of radio access networks is connected with the same A core network.
  • the terminal can connect to the two types of radio access networks through one radio frequency unit or through two radio frequency units.
  • the terminal can access the 5G core network, that is, the NGCN through the NG-RAN and the E-UTRAN, or can also access the 4G core network, that is, the EPC, through the NG-RAN and the E-UTRAN.
  • the first network device involved in the present invention may be a mobility management device, for example, an Access and Mobility Management Function (AMF) entity and a session management function in the NGCN ( a Session Management Function (SMF) entity, or, for example, a Mobility Management Entity (MME) in the EPC, or may also be an access network device, for example, an evolved base station in E-UTRAN (Evolved) NodeB, eNB), or, for example, a 5G base station in the NG-RAN, that is, gNB or the like.
  • AMF Access and Mobility Management Function
  • MME Mobility Management Entity
  • the core idea of the present invention is that the first network device determines whether to perform a specific mobility procedure to the terminal by obtaining the behavior decision information of the terminal, instead of relying only on whether there is a network interface between different types of core networks. Instructing the terminal to perform a specific mobility process, so that the terminal can implement network handover without service interruption based on two different types of core networks registered by the terminal in the case that a network interface exists between different types of core networks. Improve the reliability of network changes between different types of core networks.
  • this embodiment may be applicable to network changes between different types of core networks, for example, a network change from a 5G core network NGCN to a 4G core network EPC, or, for example, from a 4G core network EPC to a 5G core.
  • the network change of the network NGCN, or the network change from the 5G core network NGCN to the 3G core network, is not specifically limited in this embodiment.
  • the terminal capability information may include, but is not limited to, at least one of the following information:
  • Whether to support capability information of a network interface-less mobility procedure for example, an N26 network interface between an AMF in an NGCN and an MME in an EPC.
  • the acquiring unit 21 may be specifically configured to be used in
  • the first indication information that is sent by the sending unit 22 to the terminal may include, but is not limited to, at least one of the following indications:
  • the sending unit 22 is further configured to send second indication information to the second network device, where the terminal performs a specific mobility procedure.
  • the measurement configuration information used by the terminal may include but is not limited to the following information:
  • the link quality of the target access network is greater than or equal to the first threshold
  • the link quality of the target access network is greater than or equal to the first threshold, and the link quality of the source access network is less than the second threshold.
  • the function of the first network device in the embodiment corresponding to FIG. 1 can be implemented by the first network device provided in this embodiment.
  • the function of the first network device in the embodiment corresponding to FIG. 1 can be implemented by the first network device provided in this embodiment.
  • the function of the first network device in the embodiment corresponding to FIG. 1 can be implemented by the first network device provided in this embodiment.
  • the function of the first network device in the embodiment corresponding to FIG. 1 can be implemented by the first network device provided in this embodiment.
  • the function of the first network device in the embodiment corresponding to FIG. 1 can be implemented by the first network device provided in this embodiment.
  • the behavior decision information of the terminal is obtained by the acquiring unit, where the behavior decision information includes the terminal capability information of the terminal, the service requirement information initiated by the terminal, the service quality information initiated by the terminal, and the terminal. At least one of the user subscription information, so that the sending unit can send the first indication information to the terminal according to the behavior decision information, to instruct the terminal to perform a specific mobility process, because the first network device does not Relying only on whether there is a network interface between different types of core networks, indicating to the terminal to perform a specific mobility process, and in combination with the behavior decision information of the terminal, instructing the terminal to perform a specific mobility process, so that the terminal can be in different types.
  • network transfer without service interruption is implemented based on two different types of core networks registered by the terminal, thereby improving the reliability of network changes between different types of core networks.
  • the disclosed system, apparatus, and method 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.
  • multiple units or components may be combined. Or it 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 unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

本发明实施例提供一种通信方法及网络设备。本发明实施例通过第一网络设备获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项，使得所述第一网络设备能够根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程，由于第一网络设备不再只依赖于不同类型核心网之间是否存在网络接口，向终端指示执行特定的移动性过程，而是结合终端的行为决策信息，向终端指示执行特定的移动性过程，使得终端能够在不同类型核心网之间存在网络接口的情况下，基于终端所注册的两个不同类型的核心网，实现没有业务中断的网络转移，从而提高了不同类型核心网之间的网络改变的可靠性。

Description

通信方法及网络设备 技术领域
本发明涉及无线通信技术，尤其涉及一种通信方法及网络设备。
背景技术
随着无线网络通信技术的快速发展，无线通信网络已逐渐进入5G时代。在5G时代，终端(User Equipment，UE)不但可以通过下一代无线接入网(Next Generation-Radio Access Network，NG-RAN)，接入5G核心网即下一代核心网(Next Generation Core Network，NGCN)，还可以通过演进通用移动通信系统陆地无线接入网(Evolved Universal Mobile Telecommunication System Territorial Radio Access Network，E-UTRAN)，接入4G核心网即演进分组核心网(Evolved Packet Core Network，EPC)。目前，可以通过NGCN中的接入和移动性管理功能(Access and Mobility Management Function，AMF)与EPC中的移动性管理实体(Mobility Management Entity，MME)之间的N26网络接口，实现NGCN与EPC之间的网络改变。
然而，由于基于N26网络接口的NGCN与EPC之间的网络切换会出现业务中断，可能会使得无法满足终端的某些业务要求，例如，紧急呼叫业务等，从而导致了NGCN与EPC之间的网络改变的可靠性的降低。其它不同类型核心网之间的网络切换也存在同样问题。
发明内容
本发明的多个方面提供一种通信方法及网络设备，用以提高不同类型核心网之间的网络改变的可靠性。
本发明的一方面，提供一种通信方法，包括：
第一网络设备获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项；
所述第一网络设备根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程。
本发明的另一方面，提供一种第一网络设备，包括：
获取单元，用于获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项；
发送单元，用于根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程。
由上述技术方案可知，本发明实施例通过第一网络设备获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项，使得所述第一网络设备能够根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程，由于第一网络设备不再只依赖于不同类型核心网之间是 否存在网络接口，向终端指示执行特定的移动性过程，而是结合终端的行为决策信息，向终端指示执行特定的移动性过程，使得终端能够在不同类型核心网之间存在网络接口的情况下，基于终端所注册的两个不同类型的核心网，实现没有业务中断的网络转移，从而提高了不同类型核心网之间的网络改变的可靠性。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图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性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明一实施例提供的通信方法的流程示意图；
图2为本发明另一实施例提供的第一网络设备的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，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一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的全部其他实施例，都属于本发明保护的范围。
另外，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1为本发明一实施例提供的通信方法的流程示意图，如图1所示。
101、第一网络设备获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项。
102、所述第一网络设备根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程。
本发明中，所述特定的移动性过程可以包括但不限于双无线过程、双注册过程、双连接过程或者不基于网络接口的移动性过程，本实施例对此不进行特别限定。
所谓的双无线过程，是指终端执行双无线过程进入双无线模式的过程。双无线模式，是指终端能分别通过两个射频单元即射频单元1和射频单元2，同时连接两个类型的无线接入网即无线接入网1和无线接入网2。而这两个类型的无线接入网中每个无线接入网可以分别连接一个类型的核心网，或者还可以连接同一个核心网，本实施例对此不进行特别限定。例如，终端可以通过两个射频单元分别连接NG-RAN和E-UTRAN。
所谓的双注册过程，是指终端执行双注册过程进入双注册模式的过程。双注册模式，是指终端能同时连接两个类型的无线接入网即无线接入网1和无线接入网2，而这两个类型的无线接入网中每个无线接入网分别连接一个类型的核心网。其中，终端可以通过一个射频单元，或者还可以分别通过两个射频单元，同时连接这两个类型的无线接入网。例如，终端可以通过NG-RAN，接入5G核心网即NGCN，同时还可以通 过E-UTRAN，接入4G核心网即EPC。
所谓的双连接过程，是指终端执行双连接过程进入双连接模式的能力。双连接模式，是指终端能同时连接两个类型的无线接入网即无线接入网1和无线接入网2，而这两个类型的无线接入网中每个无线接入网连接同一个核心网。其中，终端可以通过一个射频单元，或者还可以分别通过两个射频单元，同时连接这两个类型的无线接入网。例如，终端可以通过NG-RAN和E-UTRAN，接入5G核心网即NGCN，或者还可以通过NG-RAN和E-UTRAN，接入4G核心网即EPC。
需要说明的是，本发明中所涉及的第一网络设备，可以为移动性管理设备，例如，NGCN中的接入和移动性管理功能(Access and Mobility Management Function，AMF)实体和会话管理功能(Session Management Function，SMF)实体，或者，再例如，EPC中的移动性管理实体(Mobility Management Entity，MME)等，或者还可以为接入网设备，例如，E-UTRAN中的演进型基站(Evolved NodeB，eNB)，或者，再例如，NG-RAN中的5G基站即gNB等。
本发明的核心思想在于，第一网络设备通过获取终端的行为决策信息的方式，来判断是否向终端指示执行特定的移动性过程，而不再只依赖于不同类型核心网之间是否存在网络接口，向终端指示执行特定的移动性过程，使得终端能够在不同类型核心网之间存在网络接口的情况下，基于终端所注册的两个不同类型的核心网，实现没有业务中断的网络转移，从而提高了不同类型核心网之间的网络改变的可靠性。
需要说明的是，本实施例可以适用于不同类型核心网之间的网络改变，例如，从5G核心网NGCN到4G核心网EPC的网络改变，或者， 再例如，从4G核心网EPC到5G核心网NGCN的网络改变，或者，从5G核心网NGCN到3G核心网的网络改变，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，所述终端能力信息可以包括但不限于下列信息中的至少一项：
是否支持特定的移动性过程的能力信息；以及
是否支持不基于网络接口的移动性过程的能力信息，例如，NGCN中的AMF与EPC中的MME之间的N26网络接口等。
可选地，在本实施例的一个可能的实现方式中，在101中，所述第一网络设备具体可以通过多种方式，获取所述终端的行为决策信息。
在一个具体的实现过程中，所述第一网络设备接收所述终端通过所述终端所发起的注册过程，所发送的所述终端的终端能力信息。
此处的注册过程，是指终端在源系统即源接入网和源核心网中的至少一项所发起的注册过程。
具体来说，所述第一网络设备具体可以接收终端通过注册请求消息和位置更新消息中的至少一个，所发送的所述终端的终端能力信息。
其中，所述注册请求消息可以包括但不限于如下类型的注册请求消息中的至少一个：
初始注册类型；
更新注册类型；以及
紧急业务类型。
在另一个具体的实现过程中，所述第一网络设备接收所述终端通过所述终端所发起的业务过程，所发送的所述终端所发起的业务要求信息。
具体来说，所述第一网络设备具体可以接收终端通过业务连接建立请求消息和业务连接修改消息中的至少一个，所发送的所述终端所发起的业务要求信息。
其中，所述业务要求信息，可以包括但不限于下列信息中的至少一项：
采用特定的移动性过程；
采用不基于网络接口的移动性过程，例如，NGCN中的AMF与EPC中的MME之间的N26网络接口等；以及
业务在网络改变过程中的时延要求信息。
在另一个具体的实现过程中，所述第一网络设备基于所述终端所发起的业务过程，获取所述终端所发起的业务质量信息例如，业务连接的服务质量(Quality of Service，QoS)信息中的时延要求信息等和所述终端的用户签约信息中的至少一项。
可选地，在本实施例的一个可能的实现方式中，在102中，所述第一网络设备向终端所发送的所述第一指示信息，可以指示所述终端执行特定的移动性过程。
具体来说，所述第一网络设备具体可以通过注册回复消息和位置更新回复消息中的至少一个，向所述终端发送所述第一指示信息。
其中，所述注册回复消息可以包括但不限于如下类型的注册回复消息中的至少一个：
初始注册类型；
更新注册类型；以及
紧急业务类型。
在该实现方式中，所述第一指示信息，可以包括但不限于下列指示中的至少一项：
特定的移动性过程指示；以及
不基于网络接口的移动性过程指示，例如，NGCN中的AMF与EPC中的MME之间的N26网络接口等。
此时，终端在接收到所述第一指示信息之后，则可以利用测量配置信息，执行特定的移动性过程。
此处的特定的移动性过程，是指终端在目标系统即目标接入网和目标核心网中的至少一项所发起的注册过程。
在执行特定的移动性过程中，终端可以将终端所有的业务，在目标系统建立业务连接，或者还可以将终端部分的业务，在目标系统建立业务连接，或者还可以将终端满足特定时延要求信息的业务，在目标系统建立业务连接，本实施例对此不进行特别限定。
其中，终端所采用的所述测量配置信息，可以包括但不限于下列信息：
目标接入网的链路质量大于或等于第一阈值；或者
目标接入网的链路质量大于或等于第一阈值，且源接入网的链路质量小于第二阈值。
在一个具体的实现过程中，终端具体可以根据预先设置的配置数据，获得测量配置信息。
在另一个具体的实现过程中，所述第一网络设备还可以进一步向第二网络设备发送第二指示信息，用以指示所述终端执行特定的移动性过程。
进一步地，在所述第一网络设备向第二网络设备发送第二指示信息，用以指示所述终端执行特定的移动性过程之后，所述第二网络设备还可以进一步向所述终端发送测量配置信息，以供所述终端执行特定的移动性过程。
例如，所述第二网络设备可以为E-UTRAN中的演进型基站(Evolved NodeB，eNB)。
或者，再例如，所述第二网络设备可以为NG-RAN中的5G基站即gNB等。
本实施例中，通过第一网络设备获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项，使得所述第一网络设备能够根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程，由于第一网络设备不再只依赖于不同类型核心网之间是否存在网络接口，向终端指示执行特定的移动性过程，而是结合终端的行为决策信息，向终端指示执行特定的移动性过程，使得终端能够在不同类型核心网之间存在网络接口的情况下，基于终端所注册的两个不同类型的核心网，实现没有业务中断的网络转移，从而提高了不同类型核心网之间的网络改变的可靠性。
需要说明的是，对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本发明并不受所描述的动作顺序的限制，因为依据本发明，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所 描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本发明所必须的。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
图2为本发明另一实施例提供的第一网络设备的结构示意图，如图4所示。本实施例的第一网络设备可以包括获取单元21和发送单元22。其中，获取单元21，用于获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项；发送单元22，用于根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程。
本发明中，所述特定的移动性过程可以包括但不限于双无线过程、双注册过程、双连接过程或者不基于网络接口的移动性过程，本实施例对此不进行特别限定。
所谓的双无线过程，是指终端执行双无线过程进入双无线模式的过程。双无线模式，是指终端能分别通过两个射频单元即射频单元1和射频单元2，同时连接两个类型的无线接入网即无线接入网1和无线接入网2。而这两个类型的无线接入网中每个无线接入网可以分别连接一个类型的核心网，或者还可以连接同一个核心网，本实施例对此不进行特别限定。例如，终端可以通过两个射频单元分别连接NG-RAN和E-UTRAN。
所谓的双注册过程，是指终端执行双注册过程进入双注册模式的过程。双注册模式，是指终端能同时连接两个类型的无线接入网即无线接 入网1和无线接入网2，而这两个类型的无线接入网中每个无线接入网分别连接一个类型的核心网。其中，终端可以通过一个射频单元，或者还可以分别通过两个射频单元，同时连接这两个类型的无线接入网。例如，终端可以通过NG-RAN，接入5G核心网即NGCN，同时还可以通过E-UTRAN，接入4G核心网即EPC。
所谓的双连接过程，是指终端执行双连接过程进入双连接模式的能力。双连接模式，是指终端能同时连接两个类型的无线接入网即无线接入网1和无线接入网2，而这两个类型的无线接入网中每个无线接入网连接同一个核心网。其中，终端可以通过一个射频单元，或者还可以分别通过两个射频单元，同时连接这两个类型的无线接入网。例如，终端可以通过NG-RAN和E-UTRAN，接入5G核心网即NGCN，或者还可以通过NG-RAN和E-UTRAN，接入4G核心网即EPC。
需要说明的是，本发明中所涉及的第一网络设备，可以为移动性管理设备，例如，NGCN中的接入和移动性管理功能(Access and Mobility Management Function，AMF)实体和会话管理功能(Session Management Function，SMF)实体，或者，再例如，EPC中的移动性管理实体(Mobility Management Entity，MME)等，或者还可以为接入网设备，例如，E-UTRAN中的演进型基站(Evolved NodeB，eNB)，或者，再例如，NG-RAN中的5G基站即gNB等。
本发明的核心思想在于，第一网络设备通过获取终端的行为决策信息的方式，来判断是否向终端指示执行特定的移动性过程，而不再只依赖于不同类型核心网之间是否存在网络接口，向终端指示执行特定的移动性过程，使得终端能够在不同类型核心网之间存在网络接口的情况下， 基于终端所注册的两个不同类型的核心网，实现没有业务中断的网络转移，从而提高了不同类型核心网之间的网络改变的可靠性。
需要说明的是，本实施例可以适用于不同类型核心网之间的网络改变，例如，从5G核心网NGCN到4G核心网EPC的网络改变，或者，再例如，从4G核心网EPC到5G核心网NGCN的网络改变，或者，从5G核心网NGCN到3G核心网的网络改变，本实施例对此不进行特别限定。
可选地，在本实施例的一个可能的实现方式中，所述终端能力信息可以包括但不限于下列信息中的至少一项：
是否支持特定的移动性过程的能力信息；以及
是否支持不基于网络接口的移动性过程的能力信息，例如，NGCN中的AMF与EPC中的MME之间的N26网络接口等。
可选地，在本实施例的一个可能的实现方式中，所述获取单元21，具体可以用于
接收所述终端通过所述终端所发起的注册过程，所发送的所述终端的终端能力信息；和/或
接收所述终端通过所述终端所发起的业务过程，所发送的所述终端所发起的业务要求信息；和/或
基于所述终端所发起的业务过程，获取所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项。
可选地，在本实施例的一个可能的实现方式中，所述发送单元22向所述终端所发送的所述第一指示信息，可以包括但不限于下列指示中的至少一项：
特定的移动性过程指示；以及
不基于网络接口的移动性过程指示。
可选地，在本实施例的一个可能的实现方式中，所述发送单元22，还可以进一步用于向第二网络设备发送第二指示信息，所述终端执行特定的移动性过程。
其中，终端所采用的所述测量配置信息，可以包括但不限于下列信息：
目标接入网的链路质量大于或等于第一阈值；或者
目标接入网的链路质量大于或等于第一阈值，且源接入网的链路质量小于第二阈值。
需要说明的是，图1对应的实施例中第一网络设备的功能，可以由本实施例提供的第一网络设备实现。详细描述可以参见图1对应的实施例中的相关内容，此处不再赘述。
本实施例中，通过获取单元获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项，使得发送单元能够根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程，由于第一网络设备不再只依赖于不同类型核心网之间是否存在网络接口，向终端指示执行特定的移动性过程，而是结合终端的行为决策信息，向终端指示执行特定的移动性过程，使得终端能够在不同类型核心网之间存在网络接口的情况下，基于终端所注册的两个不同类型的核心网，实现没有业务中断的网络转移，从而提高了不同类型核心网之间的网络改变的可靠性。
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。
在本发明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单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替 换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (15)

  1. 一种通信方法，其特征在于，包括：
    第一网络设备获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项；
    所述第一网络设备根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程。
  2. 根据权利要求1所述的方法，其特征在于，所述特定的移动性过程包括双无线过程、双注册过程、双连接过程或者不基于网络接口的移动性过程。
  3. 根据权利要求1所述的方法，其特征在于，所述终端能力信息包括下列信息中的至少一项：
    是否支持特定的移动性过程的能力信息；以及
    是否支持不基于网络接口的移动性过程的能力信息。
  4. 根据权利要求1所述的方法，其特征在于，所述第一网络设备获取终端的行为决策信息，包括：
    所述第一网络设备接收所述终端通过所述终端所发起的注册过程，所发送的所述终端的终端能力信息；和/或
    所述第一网络设备接收所述终端通过所述终端所发起的业务过程，所发送的所述终端所发起的业务要求信息；和/或
    所述第一网络设备基于所述终端所发起的业务过程，获取所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项。
  5. 根据权利要求1所述的方法，其特征在于，所述第一指示信息包 括下列指示中的至少一项：
    特定的移动性过程指示；以及
    不基于网络接口的移动性过程指示。
  6. 根据权利要求1～5任一权利要求所述的方法，其特征在于，所述第一网络设备获取终端的行为决策信息之后，还包括：
    所述第一网络设备向第二网络设备发送第二指示信息，用以指示所述终端执行特定的移动性过程。
  7. 根据权利要求6所述的方法，其特征在于，所述第一网络设备向第二网络设备发送第二指示信息，用以指示所述终端执行特定的移动性过程之后，还包括：
    所述第二网络设备向所述终端发送测量配置信息，以供所述终端执行特定的移动性过程。
  8. 根据权利要求7所述的方法，其特征在于，所述测量配置信息包括下列信息：
    目标接入网的链路质量大于或等于第一阈值；或者
    目标接入网的链路质量大于或等于第一阈值，且源接入网的链路质量小于第二阈值。
  9. 一种第一网络设备，其特征在于，包括：
    获取单元，用于获取终端的行为决策信息，所述行为决策信息包括终端的终端能力信息、所述终端所发起的业务要求信息、所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项；
    发送单元，用于根据所述行为决策信息，向所述终端发送第一指示信息，用以指示所述终端执行特定的移动性过程。
  10. 根据权利要求9所述的第一网络设备，其特征在于，所述特定的移动性过程包括双无线过程、双注册过程、双连接过程或者不基于网络接口的移动性过程。
  11. 根据权利要求9所述的第一网络设备，其特征在于，所述终端能力信息包括下列信息中的至少一项：
    是否支持特定的移动性过程的能力信息；以及
    是否支持不基于网络接口的移动性过程的能力信息。
  12. 根据权利要求9所述的第一网络设备，其特征在于，所述获取单元，具体用于
    接收所述终端通过所述终端所发起的注册过程，所发送的所述终端的终端能力信息；和/或
    接收所述终端通过所述终端所发起的业务过程，所发送的所述终端所发起的业务要求信息；和/或
    基于所述终端所发起的业务过程，获取所述终端所发起的业务质量信息和所述终端的用户签约信息中的至少一项。
  13. 根据权利要求9所述的第一网络设备，其特征在于，所述第一指示信息包括下列指示中的至少一项：
    特定的移动性过程指示；以及
    不基于网络接口的移动性过程指示。
  14. 根据权利要求9～13任一权利要求所述的第一网络设备，其特征在于，所述发送单元，还用于
    向第二网络设备发送第二指示信息，用以指示所述终端执行特定的移动性过程。
  15. 根据权利要求14所述的第一网络设备，其特征在于，所述测量配置信息包括下列信息：
    目标接入网的链路质量大于或等于第一阈值；或者
    目标接入网的链路质量大于或等于第一阈值，且源接入网的链路质量小于第二阈值。
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