WO2019223478A1 - 信息处理方法及装置、网元及存储介质 - Google Patents

信息处理方法及装置、网元及存储介质 Download PDF

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Publication number
WO2019223478A1
WO2019223478A1 PCT/CN2019/083753 CN2019083753W WO2019223478A1 WO 2019223478 A1 WO2019223478 A1 WO 2019223478A1 CN 2019083753 W CN2019083753 W CN 2019083753W WO 2019223478 A1 WO2019223478 A1 WO 2019223478A1
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Prior art keywords
amf
paging
service
ran
inactive state
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PCT/CN2019/083753
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English (en)
French (fr)
Inventor
苑红
李爱华
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***通信有限公司研究院
***通信集团有限公司
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Publication of WO2019223478A1 publication Critical patent/WO2019223478A1/zh

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    • 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
    • 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
    • H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • the present invention relates to the field of communication technology, but is not limited to the field of communication technology, and in particular, to an information processing method and device in a user equipment (User Equipment (UE) Radio Resource Control (RRC) layer inactive) layer inactive state, Network elements and storage media.
  • UE User Equipment
  • RRC Radio Resource Control
  • NF Network Function
  • AMF Access Management Function
  • embodiments of the present invention are expected to provide a method and device for processing information in a UE RRC inactive state, a network element, and a storage medium.
  • an embodiment of the present invention provides an information processing method in a user equipment UE radio resource control layer inactive state, including:
  • the AMF When the network function NF calls the first service first operation of the access management function AMF, if the UE is in an inactive state of the radio resource control layer, the AMF notifies the radio access network RAN to page the UE.
  • an embodiment of the present invention provides an information processing method in a user equipment UE radio resource control layer inactive state, including:
  • the radio access network RAN receives a notification of paging the UE sent by the access management function AMF;
  • an embodiment of the present invention provides an information processing apparatus in a user equipment UE radio resource control layer inactive state, including:
  • a notification module configured to, when the network function NF calls the first service first operation of the access management function AMF, if the UE is in the radio resource control layer inactive state, the AMF notifies the radio access network RAN to find Call the UE.
  • an embodiment of the present invention provides an information processing apparatus in a user equipment UE radio resource control layer inactive state, including:
  • a receiving module configured to receive, by a radio access network RAN, a notification of a paging UE sent by an access management function AMF;
  • a paging module configured to page the UE in a radio resource control layer inactive state according to the notification.
  • an embodiment of the present invention provides a network element, including:
  • the processor is connected to the memory and configured to implement the method according to any one of the first aspect or the second aspect by executing computer executable code stored in the memory.
  • an embodiment of the present invention provides a computer storage medium, where the computer storage medium stores computer-executable code; after the computer-executable code is executed, the technical solution of any of the first aspect or the second aspect The method described.
  • the information processing method and device, network element, and storage medium of the UE in the RRC inactive state provided by the embodiment of the present invention.
  • the AMF is called by a NF for a certain service and an operation, the service and / or the operation are related to the UE (for example, , Need to send and receive information with the UE).
  • the UE in the RRC layer inactive state may not receive the corresponding NAS message and other messages. Therefore, in this embodiment of the present invention, if the UE is in the RRC layer inactive state, the AMF first informs the RAN to page the UE.
  • the UE is switched to the RRC layer connection state through paging. In this way, the AMF provides corresponding services or operations to ensure that the UE receives the corresponding message, thereby ensuring the successful transmission of the message, and improving the success rate of message transmission.
  • FIG. 1 is a schematic flowchart of a first UE information processing method in an RRC layer in an inactive state according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a second UE information processing method in an RRC layer inactive according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of a third UE information processing method in an RRC layer inactive according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of a fourth UE information processing method in an RRC layer inactive according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of an information processing apparatus in a UE RRC layer inactive state according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of another information processing apparatus in an RRC layer inactive according to an embodiment of the present invention.
  • FIG. 7 is a schematic flowchart of a fifth UE information processing method in an RRC layer inactive according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a network element according to an embodiment of the present invention.
  • an information processing method in a UE RRC layer inactive state includes:
  • Step S110 When the NF invokes the first service first operation of the AMF, if the UE is in an inactive state of the radio resource control layer, the AMF notifies the RAN to page the UE.
  • the RAN may include: a base station or a relay node connected to the base station, and the like.
  • the UE By paging the UE, the UE can be switched from the RRC layer inactive state to the RRC layer connected state (connected), and the UE switched to the RRC layer connected state has established a connection with the RAN, so that it can receive messages sent by the AMF In this way, the probability that the UE fails to receive messages can be reduced, and the success rate of information interaction between the AMF and the UE can be improved.
  • the step S110 may include: the AMF notifies the RAN to page the UE through an N2 interface message.
  • An N2 interface is set between the AMF and the RAN, and a message transmitted through the N2 interface may be referred to as an N2 interface message.
  • the AMF instructs the RAN to page the UE through an N2 interface message.
  • the N2 interface message carries the identification information of the UE that needs to be paged and the cell or tracking area where the UE may be located.
  • the RAN knows to paging the UE in that cell or tracking area to avoid paging the entire network or Paging the UE within the entire registration area of the UE reduces the time delay and power consumption of the paging UE. For example, according to the last cell or tracking area where the UE switched from the RRC layer connected state to the RRC layer inactive state as the area where the UE is preferentially paged, if it is not paged, the UE is paged in the entire registered area of the UE.
  • the method further includes:
  • Step S120 Receive a paging result returned by the RAN.
  • the RAN will page the UE based on the notification of the paging UE sent by the AMF, and obtain the paging result of the UE.
  • the paging result may include: paging success and paging failure.
  • the first service first operation can be understood as: the first operation of the first service.
  • the first service may be a function provided by the AMF; the first operation may be providing one or more operations performed in the first service.
  • the first service is: an AMF called service, and the first operation is: enabling a UE reachable operation.
  • the AMF called service is: enabling UE reachable service.
  • the NF may invoke the AMF called service by enabling a UE reachability request (Namf_MT_EnableUEReachability request).
  • the first service is an AMF communication service, and the first operation is an N1N2 interface message transmission operation.
  • the AMF communication service may include a N1N2 interface message transmission service.
  • the NF may call the AMF communication service of the AMF through a N1N2 interface message transmission request (Namf_Communication_N1N2MessageTransfer request).
  • the first operation is an N1N2 interface message transmission operation.
  • the N1N2 interface message transmission here may include: an operation of transmitting messages through the N1 interface and the N2 interface.
  • the N1 interface is an interface between the RAN and the UE
  • the N2 interface is an interface between the AMF and the RAN.
  • the method further includes: after the network function NF invokes the first operation of the first service, the AMF response response message notifies the NF of the UE Page results. For example, the AMF notifies the NF of the paging result of the UE by enabling a UE reachability response message.
  • the enable UE reachable response (Namf_MT_EnableUEReachabilityresponse) message informs the NE of the paging result of the current UE.
  • the paging result may be a result of the UE's paging success, or a result of the UE's paging failure.
  • the method further includes: if the UE is successfully paged, sending an N1 N2 interface message transmission response (Namf_Communication_N1N2MessageTransfer response) to the NF.
  • the AMF may send a N1N2 interface message transmission response to the corresponding NF, and the response may carry relevant information transmitted by the NAS Protocol Data Unit (PDU) carried in the N1N2 interface message transmission request.
  • the transmission result may include: transmission success or transmission failure.
  • the transmission status may include: the AMF has been received, the AMF has been sent to the UE, and the like.
  • the N1N2 interface message transmission response may also carry a UE paging success message. In some embodiments, the response may not be changed, and may only carry information related to NAS PDU transmission, so that it is highly compatible with the prior art.
  • the NAS PDU causes the AMF to send the NAS PDU to the UE through a NAS message.
  • the AMF response response message notifies the NF of the paging result of the UE, including: calling the first service in the NF. After serving the first operation, the AMF notifies the NF that the UE is unreachable through the response message when the UE fails to page.
  • the method further includes:
  • an N1 N2 interface message transmission response is sent to the NF, where the N1 N2 interface message transmission response carries an indication that the UE has failed to page.
  • the N1 and N2 interface message transmission response described in this embodiment indicates the indication of the UE paging failure. Notify NF of the current NAS PDU transmission result.
  • the indication of the UE paging failure may be one or more bits, may be one or more bits indicating transmission failure in the N1 N2 interface message transmission response, or may be a reserved bit in the N1 N2 interface message transmission response.
  • the N1N2 interface message includes a message transmitted through the N1 interface and / or a message transmitted through the N2 interface.
  • the N2 interface is an interface between the AMF and the RAN
  • the N1 interface is an interface between the RAN and the UE.
  • the NF is one of the following: SMSF, PCF, SMF, LMF.
  • this embodiment provides a method for processing information in a UE radio resource control layer inactive state, including:
  • Step S210 the RAN receives a notification of paging the UE sent by the AMF;
  • Step S220 paging the UE in the radio resource control layer inactive state according to the notification.
  • the RAN will receive the notification of the paging UE sent by the AMF, and the notification may carry information such as the identity of the UE to be paged and the area of the paging UE.
  • the RAN After the RAN receives the paging message sent by broadcast, if the UE receives the paging message, it will switch from the RRC layer inactive state to the RRC layer connected state. After switching to the RRC layer connected state, the UE can receive all It describes the various messages sent by the AMF and / or RAN, such as NAS messages; thereby avoiding the problem of failure of receiving the message caused by the UE being in the RRC layer inactive state.
  • the step S110 may include:
  • the RAN receives a notification for paging the UE sent by the AMF through an N2 interface message.
  • the notification of paging the UE is received through an N2 interface message.
  • the method further includes:
  • Step S230 Send the paging result of the UE to the AMF.
  • the UE If the UE is paged, it will switch to the RRC layer connection state. During the process of switching to the RRC layer connection state, the UE will send various information such as a connection request to the RAN, so that the RAN can know whether the current UE has switched to the RRC layer connection state. . If the UE successfully switches to the RRC layer connection state, it indicates that the UE is successfully paged. If the UE remains in the RRC layer inactive state, it indicates that the UE has not been successfully paged.
  • the AMF may also directly receive the paging result sent by the RAN, for example, using one or more bits to indicate the paging result of the current UE.
  • the paging result may be carried by various messages.
  • an embodiment of the present invention provides an information processing apparatus in a UE RRC layer inactive state, including:
  • the notification module 110 is configured to notify the radio access network RAN to page the UE when the UE is in an inactive state of the RRC layer of the radio resource control when the NF calls the first service and the first operation of the AMF. .
  • the information processing device in the UE RRC layer inactive state may be a processing device applied in the AMF, and in the implementation of the present invention, the AMF may be a network element with an access management function.
  • the notification module 110 when the NF calls the first service and the first operation of the AMF, finds that the UE is in the RRC layer inactive state, and then pages the UE through the RAN.
  • the notification module 110 is specifically configured to notify the RAN to page the UE through an N2 interface message.
  • the information processing apparatus in the UE RRC layer inactive state further includes:
  • the receiving module 120 is configured to receive a paging result returned by the RAN.
  • Both the notification module 110 and the receiving module 120 can be program modules. After the program modules are executed by the processor, they can notify the RAN to page the UE, and receive the paging result returned by the RAN.
  • the first operation is: enabling a UE reachable operation.
  • the device further includes:
  • the receiving module 120 may be configured to: after the network function NF calls the first service first operation, The AMF response response message notifies the NF of the paging result of the UE.
  • the receiving module 120 may be configured to, after the NF invokes the first service first operation, the AMF notifies the NF office through the response message when the UE fails to page.
  • the UE is unreachable.
  • the receiving module 120 is specifically configured for the AMF to notify the NF of a paging result of the UE by enabling a UE reachability response message.
  • the first service is an AMF communication service
  • the first operation is an N1N2 interface message transfer operation.
  • the device further includes:
  • the sending module is configured to send a N1 and N2 interface message transmission response to the NF if the UE is successfully paged.
  • the sending module is configured to send a N1 N2 interface message transmission response to the NF if paging the UE fails, wherein the N1 N2 interface message transmission response carries the UE paging Failure indication.
  • the NF is one of the following: SMSF, PCF, SMF, LMF.
  • this embodiment provides an information processing apparatus in a UE RRC layer inactive state, including:
  • the receiving module 210 is configured to receive a paging UE notification sent by the AMF by the RAN;
  • the paging module 220 is configured to page the UE in a radio resource control layer inactive state according to the notification.
  • the information processing device in the UE RRC layer inactive state may be a device applied in the RAN.
  • Both the receiving module 210 and the paging module 220 can be program modules. After these program module processors are executed, they can receive the notification sent by the AMF and page the UE through the paging module 220.
  • the receiving module 210 is configured to receive a notification of paging the UE sent by the AMF through an N2 interface message.
  • the apparatus further includes: a sending module configured to send a paging result of the UE to the AMF.
  • a method provided by this example may include the following steps:
  • Step 1 The terminal (that is, corresponding to the aforementioned UE) is in an RRC-Inactive state.
  • Step 2 The AMF obtains the RRC-Inactive state of the UE (that is, the RRC layer is inactive) through the N2 notification process. For example, the AMF obtains that the UE is in the RRC-Inactive state.
  • Step 3 NFs such as SMSF and LMF call the AMF's Namf_MT_EnableUEReachability request service operation to request the UE to be reachable.
  • Step 4 When the AMF judges that the UE is in the RRC-Inactive state, it notifies the RAN to page the UE through an N2 interface message.
  • Step 5 The RAN pages the UE, the UE enters the RRC-Connected state, or the UE fails to page.
  • Step 6 The RAN responds to the AMF and the UE enters RRC-Connected (RRC layer connected state), and notifies the UE to enter a reachable state. If the paging UE fails, an error cause value is fed back to the AMF. The error cause value indicates, on the one hand, the paging failure, and at the same time, the reason for the paging failure.
  • Step 7 The AMF invokes the Namf_MT_EnableUEReachability response operation to respond to the caller NF, and the UE enters the reachable state. If the RAN feedbacks that the paging of the UE fails, the AMF responds to the caller NF that the paging of the UE has failed. In this case, the subsequent steps 8-10 are not performed.
  • Step 8 The NF calls the AMF service Namf_Communication_N1N2MessageTransfer request, and carries the NAS PDU.
  • Step 9 The AMF responds to the sending result of the NAS message, for example, responds to Namf_Communication_N1N2MessageTransfer response.
  • Step 10 The AMF sends a NAS message to the UE through the RAN.
  • the AMF determines that the UE is in the RRC-Inactive state, it notifies the RAN to page the UE through an N2 interface message;
  • the RAN starts paging the UE, the UE enters the RRC-Connected state or the paging of the UE fails;
  • the RAN responds to the AMF, such as notifying the UE to reach the reachable state if the paging is successful; if the paging UE fails, the paging failure is fed back to the AMF;
  • the AMF needs to notify the RAN to page the UE through an N2 interface message;
  • the AMF After the AMF receives the RAN to notify the UE that it has reached the reachable state, it calls Namf_MT_EnableUEReachability response to notify the caller that the NF is reachable. If the RAN feedback fails to page the UE, the AMF responds to the caller NF that the UE has failed to page.
  • NF calls AMF's service Namf_Communication_N1N2MessageTransfer to send NAS messages; if AMF judges that the UE is in the RRC-Inactive state, it informs the RAN to page the UE through an N2 interface message; the RAN responds to AMF, and if the paging is successful, notifies the UE to enter the reachable state; If the call to the UE fails, the feedback paging fails. If the paging is successful, the AMF returns Namf_Communication_N1N2MessageTransfer response. If the paging fails, the AMF returns Namf_Communication_N1N2MessageTransfer response, which carries the result indication.
  • the RAN After the RAN receives the AMF N2 interface message request, the RAN starts paging the UE;
  • the RAN After the UE enters the RRC-Connected state, the RAN needs to respond to the AMF and notify the UE to enter the reachable state. If paging the UE fails, the RAN needs to report the UE paging failure.
  • the AMF when the UE is in the RRC-Inactive state, the AMF notifies the RAN to page the UE through an N2 interface message, so that the UE enters the RRC-Connected state to ensure the success rate of sending NAS messages.
  • an embodiment of the present invention provides a network element, which may include:
  • a processor connected to the memory and configured to execute an information processing method in a UE RRC layer inactive state provided by one or more of the foregoing technical solutions by executing computer executable code stored in the memory.
  • the memory can be various types of memory, such as random access memory, read-only memory, flash memory, and the like.
  • the memory may be used for information storage, for example, storing computer executable instructions and the like.
  • the computer-executable instructions may be various program instructions, such as target program instructions and / or source program instructions.
  • the processor may be various types of processors, such as a central processing unit, a microprocessor, a digital signal processor, a programmable array, a digital signal processor, an application specific integrated circuit, or an image processor.
  • processors such as a central processing unit, a microprocessor, a digital signal processor, a programmable array, a digital signal processor, an application specific integrated circuit, or an image processor.
  • the processor may be connected to the memory through a bus.
  • the bus may be an integrated circuit bus or the like.
  • the network element may further include a communication interface
  • the communication interface may include a network interface, for example, a transmitting and receiving antenna.
  • the communication interface is also connected to the processor and can be used for information transmission and reception.
  • the network element further includes a human-machine interaction interface.
  • the human-machine interaction interface may include various input and output devices, such as a keyboard, a touch screen, and the like.
  • the network element may be the aforementioned AMF or RAN.
  • This embodiment provides a computer storage medium that stores computer-executable instructions. After the computer-executable instructions are executed, they can be applied to one or more technologies in a terminal device, a database, and a first private network.
  • the information processing method provided by the solution is, for example, one or more of the information processing methods in the UE RRC layer inactive state shown in FIG. 1, FIG. 2, and FIG. 7.
  • the computer storage medium may include various recording media having a recording function, for example, various storage media such as a CD, a floppy disk, a hard disk, a magnetic tape, an optical disk, a U disk, or a mobile hard disk.
  • the optional computer storage medium may be a non-transitory storage medium, and the computer storage medium may be read by a processor, so that the computer-executable instructions stored on the computer storage mechanism can be implemented after being obtained and executed by the processor.
  • Information processing method of the UE RRC layer in an inactive state provided by any one of the foregoing technical solutions.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a logical function division.
  • there may be another division manner such as multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed components are coupled, or directly coupled, or communicated with each other through some interfaces.
  • the indirect coupling or communications of the device or unit may be electrical, mechanical, or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, which may be located in one place or distributed across multiple network units; Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may be separately used as a unit, or two or more units may be integrated into one unit; the above integration
  • the unit can be implemented in the form of hardware, or in the form of hardware plus software functional units.
  • the foregoing program may be stored in a computer-readable storage medium.
  • the program is executed, the program is executed.
  • the foregoing storage medium includes: a mobile storage device, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, etc.
  • ROM read-only memory
  • RAM random access memory
  • magnetic disk or an optical disk etc.

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Abstract

本发明实施例公开了一种用户设备(User Equipment，UE)无线资源控制(Radio Resource Control，RRC)层非活动态(Inactive)下的信息处理方法及装置、网元及存储介质。所述方法包括：在网络功能(Network Function，NF)调用接入管理功能(Access Management Function，AMF)的第一服务第一操作时，若所述UE处于所述无线资源控制层非活动态时，所述AMF通知无线接入网络RAN寻呼所述UE。

Description

信息处理方法及装置、网元及存储介质
相关申请的交叉引用
本申请基于申请号为201810491214.1、申请日为2018年05月21日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明涉及通信技术领域但不限于通信技术领域，尤其涉及一种用户设备(User Equipment，UE)无线资源控制(Radio Resource Control，RRC)层非活动态(Inactive)下的信息处理方法及装置、网元及存储介质。
背景技术
在通信过程中发现，有时候网络功能(Network Function，NF)通过接入管理功能调用(Access Management Function，AMF)的服务与UE进行信息交互，但是消息无法达到UE，从而导致信息发送失败率高的问题。
发明内容
有鉴于此，本发明实施例期望提供一种UE RRC非活动态下的信息处理方法及装置、网元及存储介质。
本发明的技术方案是这样实现的：
第一方面，本发明实施例提供一种用户设备UE无线资源控制层非活动态下的信息处理方法，包括：
在网络功能NF调用接入管理功能AMF的第一服务第一操作时，若所述UE处于所述无线资源控制层非活动态时，所述AMF通知无线接入网络RAN寻呼所述UE。
第二方面，本发明实施例提供一种用户设备UE无线资源控制层非活动态 下的信息处理方法，包括：
无线接入网RAN接收接入管理功能AMF发送的寻呼UE的通知；
根据所述通知寻呼无线资源控制层非活动态的所述UE。
第三方面，本发明实施例提供一种用户设备UE无线资源控制层非活动态下的信息处理装置，包括：
通知模块，配置为在网络功能NF调用接入管理功能AMF的第一服务第一操作时，若所述UE处于所述无线资源控制层非活动态时，所述AMF通知无线接入网络RAN寻呼所述UE。
第四方面，本发明实施例提供一种用户设备UE无线资源控制层非活动态下的信息处理装置，包括：
接收模块，配置为无线接入网RAN接收接入管理功能AMF发送的寻呼UE的通知；
寻呼模块，配置为根据所述通知寻呼无线资源控制层非活动态的所述UE。
第五方面，本发明实施例提供一种网元，包括：
存储器，
处理器，与所述存储器连接，配置为通过执行存储于所述存储器的计算机可执行代码实现第一方面或第二方面任意技术方案所述的方法。
第六方面，本发明实施例提供一种计算机存储介质，所述计算机存储介质存储有计算机可执行代码；所述计算机可执行代码被执行后，能够实现第一方面或第二方面任意技术方案所述的方法。
本发明实施例提供的UE RRC非活动态下的信息处理方法及装置、网元及存储介质，若AMF被NF调用了某一个服务某一个操作，该服务和/或该操作与UE相关(例如，需要与UE收发信息)。处于RRC层非活跃态下的UE是有可能接收不到对应的NAS消息等消息的，如此，在本发明实施例中若此时UE处于RRC层非活跃态，则AMF先通知RAN寻呼UE，通过寻呼使得UE切换到RRC层连接态，如此，AMF再提供对应的服务或操作，就可以确保UE接收到对应的消息，从而确保消息的传输成功，从而提升消息的传输成功率。
附图说明
图1为本发明实施例提供的第一种UE RRC层非活动态下的信息处理方法的流程示意图；
图2为本发明实施例提供的第二种UE RRC层非活动态下的信息处理方法的流程示意图；
图3为本发明实施例提供的第三种UE RRC层非活动态下的信息处理方法的流程示意图；
图4为本发明实施例提供的第四种UE RRC层非活动态下的信息处理方法的流程示意图；
图5为本发明实施例提供一种UE RRC层非活动态下的信息处理装置的结构示意图；
图6为本发明实施例提供另一种UE RRC层非活动态下的信息处理装置的结构示意图；
图7为本发明实施例提供的第五种UE RRC层非活动态下的信息处理方法的流程示意图；
图8为本发明实施提供一种网元的结构示意图。
具体实施方式
以下结合说明书附图及具体实施例对本发明的技术方案做进一步的详细阐述。
如图2所示，一种UE RRC层非活动态下的信息处理方法，包括：
步骤S110：在NF调用AMF的第一服务第一操作时，若所述UE处于所述无线资源控制层非活动态时，所述AMF通知RAN寻呼所述UE。
本实施例应用于AMF中，若NF向AMF发送调用请求，调用AMF的第一服务第一操作时，发现UE处于RRC层非活动态，若UE处于RRC层非活 动态，则会导致AMF与UE之间的消息传输失败，例如，AMF向UE发送非接入层(Non Stratum，NAS)消息失败等，如此，导致AMF与UE之间的消息传输失败率稿的问题。而在本实施例中，AMF首先通过RAN寻呼所述UE。所述RAN可包括：基站或与基站连接的中继节点等。
通过寻呼UE可以使得UE从RRC层非活动态，切换到RRC层连接态(connected)，切换到RRC层连接态下的UE是与RAN建立了连接的，如此是可以接收到AMF发送的消息的，如此，就可以降低UE接收消息失败的概率，提高AMF与UE之间的信息交互成功率。
在一些实施例中，所述步骤S110可包括：所述AMF通过N2接口消息通知所述RAN寻呼所述UE。
AMF与RAN之间设置有N2接口，通过N2接口传输的消息可称为N2接口消息。在本实施例中，AMF通过N2接口消息指示RAN寻呼所述UE。
该N2接口消息中携带有需要寻呼的UE的标识信息及UE可能所在的小区或跟踪区，如此，RAN就知道在那个小区或跟踪区内寻呼所述UE，避免全网寻呼或在UE的整个注册区域内寻呼所述UE，减少寻呼UE的时延及功耗。例如，根据UE从RRC层连接态切换到RRC层非活跃态之前最后所在的小区或跟踪区作为优先寻呼UE的区域，若未寻呼到才在UE的整个注册区域内寻呼UE。
在一些实施例中，如图2所示，所述方法还包括：
步骤S120：接收所述RAN返回的寻呼结果。
在本实施例中所述RAN会基于AMF发送的寻呼UE的通知，寻呼UE，并获得UE的寻呼结果，该寻呼结果可包括：寻呼成功和寻呼失败。
所述第一服务第一操作可理解为：第一服务的第一操作。所述第一服务可为所述AMF提供的一种功能；所述第一操作可为提供所述第一服务中执行的一个或多个操作。
在一些实施中，所述第一服务为：AMF被叫服务，则所述第一操作为：使能UE可达操作。所述AMF被叫服务为：使能UE可达服务。所述NF可以 通过使能UE可达请求(Namf_MT_EnableUEReachability request)调用所述AMF被叫服务。在另一些实施中种，所述第一服务为：AMF通信服务，所述第一操作为：N1N2接口消息传送操作。所述AMF通信服务可包括：N1N2接口消息传输服务。例如，所述NF可以通过N1N2接口消息传输请求(Namf_Communication_N1N2MessageTransfer request)调用所述AMF的AMF通信服务。所述第一操作为N1N2接口消息传送操作。此处的N1N2接口消息传输可包括：通过N1接口及N2接口进行消息传输的操作。所述N1接口为RAN与UE之间的接口，所述N2接口为AMF与RAN之间的接口。在一些实施例中，若所述第一服务为AMF被叫服务，所述方法还包括：在网络功能NF调用第一服务第一操作后，所述AMF回应响应消息通知所述NF所述UE的寻呼结果。例如，所述AMF通过使能UE可达响应消息通知所述NF所述UE的寻呼结果。
所述使能UE可达响应(Namf_MT_EnableUEReachability response)消息告知NE当前UE的寻呼结果。该寻呼结果可以是UE的寻呼成功的结果，也可以是UE寻呼失败的结果。可选的，所述方法还包括：若寻呼所述UE成功，向所述NF发送N1 N2接口消息传输响应(Namf_Communication_N1N2MessageTransfer response)。此时，若UE被寻呼成功，AMF可以向对应的NF发送N1N2接口消息传输响应，该响应可以携带N1N2接口消息传输请求携带的NAS协议数据单元(Protocol Data Unit，PDU)传输的相关信息，传输结果或传输状态。所述传输结果可包括：传输成功或传输失败。所述传输状态可包括：AMF已接收到，AMF已发送给UE等。所述N1N2接口消息传输响应也可以携带有UE寻呼成功的消息。在一些实施例中，该响应可以不用做变更，可以仅携带与NAS PDU传输相关的信息，如此与现有技术的兼容性强。所述NAS PDU会使得所述AMF通过NAS消息向UE发送所述NAS PDU。
在一些实施例中，所述在网络功能NF调用第一服务第一操作后，所述AMF 回应响应消息通知所述NF所述UE的寻呼结果，包括：在所述NF调用所述第一服务第一操作后，所述AMF在所述UE寻呼失败时通过所述响应消息通知所述NF所述UE不可达。
在一些实施例中，所述方法还包括：
若寻呼所述UE失败，向所述NF发送N1 N2接口消息传输响应，其中，所述N1 N2接口消息传输响应携带有所述UE寻呼失败的指示。
在本实施例中，若UE寻呼失败，则AMF通讯服务中要求传输的NAS PDU可能没有办法传输，在本实施例中所述N1 N2接口消息传输响应表征UE寻呼失败的指示，如此可以告知NF当前NAS PDU的传输结果。所述UE寻呼失败的指示可为一个或多个比特，可以为N1 N2接口消息传输响应中指示传输失败的一个或多个比特，也可以是利用N1 N2接口消息传输响应中预留比特来进行指示。所述N1N2接口消息包括：通过N1接口传输的消息和/或N2接口传输的消息。所述N2接口为AMF与RAN之间的接口，所述N1接口为所述RAN与UE之间的接口。
在一些实施例中，所述NF为以下之一：SMSF、PCF、SMF、LMF。
如图3所示，本实施例提供一种UE无线资源控制层非活动态下的信息处理方法，包括：
步骤S210：RAN接收AMF发送的寻呼UE的通知；
步骤S220：根据所述通知寻呼无线资源控制层非活动态的所述UE。
RAN会接收AMF发送的寻呼UE的通知，该通知可以携带有需要寻呼的UE的标识及寻呼UE的区域等信息。RAN接收到之后通过广播发送的寻呼消息，若UE接收到寻呼消息，就会从RRC层非活动态切换到RRC层连接态，切换到RRC层连接态之后，所述UE就可以接收所述AMF和/或RAN发送的各种消息，例如，NAS消息；从而避免UE处于RRC层非活动态导致的消息接收失败的问题。在一些实施例中，所述步骤S110可包括：
RAN接收所述AMF通过N2接口消息发送的寻呼所述UE的通知。
在本实施例中寻呼UE的通知是通过N2接口消息接收的。
如图4所示，所述方法还包括：
步骤S230：向所述AMF发送所述UE的寻呼结果。
若UE被寻呼到会切换到RRC层连接态，UE在切换到RRC层连接态的过程中，会向RAN发送连接请求等各种信息，如此RAN可以知道当前UE是否切换到了RRC层连接态。若UE成功切换到了RRC层连接态，则表明所述UE被寻呼成功，若UE还维持在RRC层非激活态，则表明UE未被寻呼成功。
若所述UE被寻呼到则表明UE可达，所述AMF会将UE可达或不可达作为寻呼结果告知AMF，如此AMF相当于接收到了寻呼结果。当然所述AMF还可能直接接收到RAN发送的寻呼结果，例如，利用1个或多个比特指示当前UE的寻呼结果。所述寻呼结果可以是各种消息携带的。
如图5所示，本发明实施例提供一种UE RRC层非活动态下的信息处理装置，包括：
通知模块110，用于在NF调用AMF的第一服务第一操作时，若所述UE处于所述无线资源控制RRC层非活动态时，所述AMF通知无线接入网络RAN寻呼所述UE。
该UE RRC层非活动态下的信息处理装置可为应用于AMF中的处理装置，在本发明实施中AMF可为具有接入管理功能的网元。
在本实施中所述通知模块110，在被NF调用AMF的第一服务第一操作时，发现UE处于RRC层非活动态，则通过RAN寻呼所述UE。
在一些实施例中，所述通知模块110，具体用于所述AMF通过N2接口消息通知所述RAN寻呼所述UE。
在一些实施例中，所述UE RRC层非活动态下的信息处理装置还包括：
接收模块120，配置为接收所述RAN返回的寻呼结果。
该通知模块110和所述接收模块120均可为程序模块，该程序模块被处理器执行后能够通知RAN寻呼UE，并接收到RAN返回的寻呼结果。
在一些实施例中，若所述第一服务为：AMF被叫服务，则所述第一操作为：使能UE可达操作。
所述装置还包括：
所述第一服务为所述AMF被叫服务，所述第一操作为使能UE可达操作时，所述接收模块120，可用于在网络功能NF调用第一服务第一操作后，所述AMF回应响应消息通知所述NF所述UE的寻呼结果。
在一些实施例中，所述接收模块120，可用于在所述NF调用所述第一服务第一操作后，所述AMF在所述UE寻呼失败时通过所述响应消息通知所述NF所述UE不可达。
例如，所述接收模块120具体用于所述AMF通过使能UE可达响应消息通知所述NF所述UE的寻呼结果。
在一些实施例中，若所述第一服务为：AMF通信服务，则所述第一操作为：N1N2接口消息传送操作。所述装置还包括：
发送模块，可用于若寻呼所述UE成功，向所述NF发送N1 N2接口消息传输响应。
在一些实施例中，所述发送模块，配置为若寻呼所述UE失败，向所述NF发送N1 N2接口消息传输响应，其中，所述N1 N2接口消息传输响应携带有所述UE寻呼失败的指示。
在一些实施例中，所述NF为以下之一：SMSF、PCF、SMF、LMF。
如图6所示，本实施例提供一种UE RRC层非活动态下的信息处理装置，包括：
接收模块210，配置为RAN接收AMF发送的寻呼UE的通知；
寻呼模块220，配置为根据所述通知寻呼无线资源控制层非活动态的所述UE。
该UE RRC层非活动态下的信息处理装置可为应用于RAN中的装置。该接收模块210和寻呼模块220均可为程序模块，这些程序模块处理器执行后，能够接收到AMF发送的通知，并通过寻呼模块220寻呼UE。
在一些实施例中，接收模块210，配置为接收所述AMF通过N2接口消息发送的寻呼所述UE的通知。
在一些实施例中，所述装置还包括：发送模块，配置为向所述AMF发送所述UE的寻呼结果。
以下结合上述任意实施提供两个具体示例：
示例1：
如图7所示，本示例提供的一种方法可包括如下步骤：
步骤1：终端(即对应于前述的UE)处于RRC-Inactive状态。
步骤2：AMF通过N2通知流程获得UE的RRC-Inactive状态(即RRC层非活动态)，例如，AMF获得UE处于RRC-Inactive状态。
步骤3：SMSF、LMF等NF调用AMF的Namf_MT_EnableUEReachability request服务操作，请求UE可达。
步骤4：AMF判断UE处于RRC-Inactive状态时，通过N2接口消息通知RAN寻呼UE。
步骤5：RAN寻呼UE，UE进入RRC-Connected状态，或者寻呼UE失败。
步骤6：RAN回应AMF UE进入RRC-Connected(RRC层连接态)，通知UE进入可达状态。如果寻呼UE失败，向AMF反馈错误原因值，该错误原因值一方面表明寻呼失败，同时可以表明寻呼失败的原因。
步骤7：AMF调用Namf_MT_EnableUEReachability response服务操作，回应调用者NF，UE进入可达状态。如果RAN反馈寻呼UE失败，AMF向调用者NF回应UE寻呼失败，在这种情况下不执行后续的步骤8-10。
步骤8：NF调用AMF服务Namf_Communication_N1N2MessageTransfer request，携带NAS PDU。
步骤9：AMF回应NAS消息的发送结果，例如，回应Namf_Communication_N1N2MessageTransfer response。
步骤10：AMF通过RAN发送NAS消息到UE。
示例2：
1)消费者NF调用AMF的服务Namf_Communication_N1N2MessageTransfer request发送NAS消息；
2)AMF如果判断UE处于RRC-Inactive状态时，通过N2接口消息通知RAN寻呼UE；
3)RAN开始寻呼UE，UE进入RRC-Connected状态或者寻呼UE失败；
4)RAN回应AMF，如寻呼成功通知UE进入可达状态；如果寻呼UE失败，并向AMF反馈寻呼失败；
5)如果寻呼成功，AMF返回Namf_Communication_N1N2MessageTransfer response；如果寻呼失败，AMF返回Namf_Communication_N1N2MessageTransfer response，携带结果指示。
总之，在AMF侧：
SMSF、LMF等NF调用AMF服务Namf_MT_EnableUEReachability请求UE可达时，针对处于RRC-Inactive状态的终端，AMF需通过N2接口消息通知RAN寻呼UE；
AMF收到RAN通知UE进入可达状态后，调用Namf_MT_EnableUEReachability response通知调用者NF UE可达。如果RAN反馈寻呼UE失败，AMF向调用者NF回应UE寻呼失败。
NF调用AMF的服务Namf_Communication_N1N2MessageTransfer request发送NAS消息；AMF如果判断UE处于RRC-Inactive状态时，通过N2接口消息通知RAN寻呼UE；RAN回应AMF，如寻呼成功，通知UE进入可达状态；如果寻呼UE失败，反馈寻呼失败；如果寻呼成功，AMF返回Namf_Communication_N1N2MessageTransfer response；如果寻呼失败，AMF返回Namf_Communication_N1N2MessageTransfer response，携带结果指示。
在RAN侧：
RAN收到AMF N2接口消息请求后，RAN开始寻呼UE；
UE进入RRC-Connected状态后，RAN需回应AMF，通知UE进入可达状态。如果寻呼UE失败，RAN需反馈UE寻呼失败。
本示例中，在UE处于RRC-Inactive状态下，AMF通过N2接口消息通知RAN寻呼UE，使得UE进入RRC-Connected状态，以保证NAS消息发送成功 率。
如图8所示，本发明实施例提供一种网元，可包括：
存储器，
处理器，与所述存储器连接，用于通过执行存储于所述存储器的计算机可执行代码前述一个或多个技术方案提供的UE RRC层非活动态下的信息处理方法。
该存储器可为各种类型的存储器，可为随机存储器、只读存储器、闪存等。所述存储器可用于信息存储，例如，存储计算机可执行指令等。所述计算机可执行指令可为各种程序指令，例如，目标程序指令和/或源程序指令等。
所述处理器可为各种类型的处理器，例如，中央处理器、微处理器、数字信号处理器、可编程阵列、数字信号处理器、专用集成电路或图像处理器等。
所述处理器可以通过总线与所述存储器连接。所述总线可为集成电路总线等。
在一些实施例中，所述网元还可包括：通信接口，该通信接口可包括：网络接口、例如，收发天线等。所述通信接口同样与所述处理器连接，能够用于信息收发。
在一些实施例中，所述网元还包括人机交互接口，例如，所述人机交互接口可包括各种输入输出设备，例如，键盘、触摸屏等。
该网元可为前述的AMF或者RAN。
本实施例提供一种计算机存储介质，所述计算机存储介质存储有计算机可执行指令；所述计算机可执行指令被执行后，能够应用于终端设备、数据库、第一私有网络中一个或多个技术方案提供的信息处理方法，例如，例如，图1、图2及图7所示UE RRC层非活动态下的信息处理方法中的一个或多个。
所述计算机存储介质可为包括具有记录功能的各种记录介质，例如，CD、软盘、硬盘、磁带、光盘、U盘或移动硬盘等各种存储介质。可选的所述计算机存储介质可为非瞬间存储介质，该计算机存储介质可被处理器读取，从而使得存储在计算机存储机制上的计算机可执行指令被处处理器获取并执行后，能 够实现前述任意一个技术方案提供的UE RRC层非活动态下的信息处理方法。
在本申请所提供的几个实施例中，应该理解到，所揭露的设备和方法，可以通过其它的方式实现。以上所描述的设备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，如：多个单元或组件可以结合，或可以集成到另一个***，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元，即可以位于一个地方，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全部单元来实现本实施例方案的目的。
另外，在本发明各实施例中的各功能单元可以全部集成在一个处理模块中，也可以是各单元分别单独作为一个单元，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。
本领域普通技术人员可以理解：实现上述方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成，前述的程序可以存储于一计算机可读取存储介质中，该程序在执行时，执行包括上述方法实施例的步骤；而前述的存储介质包括：移动存储设备、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、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 (17)

  1. 一种用户设备UE无线资源控制层非活动态下的信息处理方法，包括：
    在网络功能NF调用接入管理功能AMF的第一服务第一操作时，若所述UE处于所述无线资源控制层非活动态时，所述AMF通知无线接入网络RAN寻呼所述UE。
  2. 根据权利要求1所述的方法，其中，
    所述AMF通知无线接入网络RAN寻呼所述UE，包括：
    所述AMF通过N2接口消息通知所述RAN寻呼所述UE。
  3. 根据权利要求1所述的方法，其中，所述方法还包括：
    接收所述RAN返回的寻呼结果。
  4. 根据权利要求1至3任一项所述的方法，其中，
    若所述第一服务为：AMF被叫服务，则所述第一操作为：使能UE可达操作。
  5. 根据权利要求4所述的方法，其中，所述方法还包括：
    在网络功能NF调用第一服务第一操作后，所述AMF回应响应消息通知所述NF所述UE的寻呼结果。
  6. 根据权利要求5所述的方法，其中，所述在网络功能NF调用第一服务第一操作后，所述AMF回应响应消息通知所述NF所述UE的寻呼结果，包括：
    在所述NF调用所述第一服务第一操作后，所述AMF在所述UE寻呼失败时通过所述响应消息通知所述NF所述UE不可达。
  7. 根据权利要求1至3任一项所述的方法，其中，
    若所述第一服务为：AMF通信服务，则所述第一操作为：N1N2接口 消息传送操作。
  8. 根据权利要求7所述的方法，其中，所述方法还包括：
    若寻呼所述UE成功，在网络功能NF调用第一服务第一操作后，所述AMF向所述NFN2接口消息回应响应消息。
  9. 根据权利要求7所述的方法，其中，所述方法还包括：
    若寻呼所述UE失败，在网络功能NF调用第一服务第一操作后，所述AMF向所述NFN2接口消息回应响应消息，N2接口消息携带有所述UE寻呼失败的指示。
  10. 根据权利要求1所述的方法，其中，
    所述NF为以下之一：
    短消息服务功能SMSF、
    策略控制功能PCF、
    会话管理功能SMF、
    位置管理功能LMF。
  11. 一种用户设备UE无线资源控制层非活动态下的信息处理方法，包括：
    无线接入网RAN接收接入管理功能AMF发送的寻呼UE的通知；
    根据所述通知寻呼无线资源控制层非活动态的所述UE。
  12. 根据权利要求11所述的方法，其中，所述无线接入网RAN接收接入管理功能AMF发送的寻呼UE的通知，包括：
    RAN接收所述AMF通过N2接口消息发送的寻呼所述UE的通知。
  13. 根据权利要求11或12所述的方法，其中，所述方法还包括：
    向所述AMF发送所述UE的寻呼结果。
  14. 一种用户设备UE无线资源控制层非活动态下的信息处理装置，包括：
    通知模块，配置为在网络功能NF调用接入管理功能AMF的第一服务第一操作时，若所述UE处于所述无线资源控制层非活动态时，所述AMF通知无线接入网络RAN寻呼所述UE。
  15. 一种用户设备UE无线资源控制层非活动态下的信息处理装置，包括：
    接收模块，配置为无线接入网RAN接收接入管理功能AMF发送的寻呼UE的通知；
    寻呼模块，配置为根据所述通知寻呼无线资源控制层非活动态的所述UE。
  16. 一种网元，包括：
    存储器，
    处理器，与所述存储器连接，配置为通过执行存储于所述存储器的计算机可执行代码实现权利要求1至10或11至13任一项所述的方法。
  17. 一种计算机存储介质，所述计算机存储介质存储有计算机可执行代码；所述计算机可执行代码被执行后，能够实现权利要求1至10或11至13任一项所述的方法。
PCT/CN2019/083753 2018-05-21 2019-04-22 信息处理方法及装置、网元及存储介质 WO2019223478A1 (zh)

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