WO2022083104A1 - 动态触发rfsp值更改的方法和系统 - Google Patents

动态触发rfsp值更改的方法和系统 Download PDF

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WO2022083104A1
WO2022083104A1 PCT/CN2021/092040 CN2021092040W WO2022083104A1 WO 2022083104 A1 WO2022083104 A1 WO 2022083104A1 CN 2021092040 W CN2021092040 W CN 2021092040W WO 2022083104 A1 WO2022083104 A1 WO 2022083104A1
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event
entity
pcf
identifier
policy
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PCT/CN2021/092040
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English (en)
French (fr)
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刘佳一凡
龙彪
陈卓怡
孙悦
刘柳
黎明雪
张琳峰
王庆扬
赵晔
王波
曹磊
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中国电信股份有限公司
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Publication of WO2022083104A1 publication Critical patent/WO2022083104A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08Mobility data transfer
    • H04W8/14Mobility data transfer between corresponding nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/18Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/20Transfer of user or subscriber data

Definitions

  • the present disclosure relates to the field of mobile communications, and in particular, to a method and system for dynamically triggering RFSP (RAT/Frequency Selection Priority, radio access/frequency selection priority) value change.
  • RFSP Radio Access/frequency selection priority
  • RFSP is a part of AM (Access and Mobility, access and mobility) strategy, which allows the network to direct specific services to specific radio access resources.
  • RFSP Radio-frequency wireless resources
  • AR Augmented Reality
  • VR Virtual Reality, Virtual Reality
  • 5G services 5G services
  • Low-frequency radio resources can be selected for high-frequency services that want to avoid frequent handovers, so the RFSPs suitable for them are often different, and different RFSP index values are required for different applications.
  • a method for dynamically triggering a change of an RFSP value including: a user plane function UPF entity detects a start or stop event of a predetermined application; the UPF entity detects the start of the predetermined application when the UPF entity detects Or in the case of a stop event, trigger the change of the radio access/frequency selection priority RFSP index value; the UPF entity sends event notification information to the policy control function PCF-SM entity that manages the session management SM policy, wherein the event notification The information includes identification information associated with the event; the PCF-SM entity sends the event notification information to the policy control function PCF-AM entity that subscribes to the event's management access and mobility AM policy; the The PCF-AM entity uses the identification information associated with the event to query the corresponding RFSP index value; the PCF-AM entity sends the RFSP index value and the corresponding AM policy identification to the access network side device; the The access network side device performs corresponding radio resource
  • the identification information includes a user terminal identification, an application identification of the predetermined application, and an event identification of the event.
  • the UPF entity detecting the start or stop event of the predetermined application includes: the UPF entity detects the start or stop event of the predetermined application through deep packet inspection DPI.
  • the AM policy identifier is in one-to-one correspondence with the user terminal identifier.
  • the PCF-AM entity discovers the PCF-SM entity serving the predetermined application according to the subscription information sent by the Binding Support Function BSF entity; the PCF-AM entity will be used to subscribe to all A subscription request for the start or stop event of the predetermined application is sent to the PCF-SM entity.
  • the subscription request includes an identity of the PCF-AM entity, a user terminal identity, an application identity of the predetermined application, an event identity, a notification target address, and event reporting information.
  • a system for dynamically triggering RFSP value change comprising: a user plane function UPF entity configured to detect a start or stop event of a predetermined application, and when the start of the predetermined application is detected Or in the case of a stop event, trigger the change of the radio access/frequency selection priority RFSP index value, and send event notification information to the policy control function PCF-SM entity that manages the session management SM policy, wherein the event notification information includes and identification information associated with the event; the PCF-SM entity is configured to send the event notification information to the policy control function PCF-AM entity that subscribes to the management access and mobility AM policy of the event; The PCF-AM entity is configured to use the identification information associated with the event to query the corresponding RFSP index value, and send the RFSP index value and the corresponding AM policy identification to the access network side device; The network access side device is configured to perform corresponding radio resource scheduling according to the RFSP index value and the AM policy identifier
  • the identification information includes a user terminal identification, an application identification of the predetermined application, and an event identification of the event.
  • the UPF entity is configured to detect start or stop events of the predetermined application through deep packet inspection DPI.
  • the AM policy identifier is in one-to-one correspondence with the user terminal identifier.
  • the PCF-AM entity is further configured to discover the PCF-SM entity serving the predetermined application according to the subscription information sent by the Binding Support Function BSF entity, and use it to subscribe to the predetermined application A subscription request for an application's start or stop event is sent to the PCF-SM entity.
  • the subscription request includes an identity of the PCF-AM entity, a user terminal identity, an application identity of the predetermined application, an event identity, a notification target address, and event reporting information.
  • a method for dynamically triggering RFSP value change executed by a policy control function PCF-AM entity that manages access and mobility AM policies, including: receiving a policy for managing session management SM policies
  • the identification information includes a user terminal identification, an application identification of a predetermined application, and an event identification of the event.
  • the AM policy identifier is in one-to-one correspondence with the user terminal identifier.
  • the above method further includes: discovering the PCF-SM entity serving the predetermined application according to the subscription information sent by the BSF entity of the binding support function; A subscription request is sent to the PCF-SM entity.
  • the subscription request includes an identity of the PCF-AM entity, a user terminal identity, an application identity of the predetermined application, an event identity, a notification target address, and event reporting information.
  • a policy control function PCF-AM entity for managing access and mobility AM policies, comprising: a memory configured to store instructions; a processor coupled to the memory, the processor being A method as described in any of the above is configured to be implemented based on the execution of instructions stored in the memory.
  • a non-transitory computer-readable storage medium stores computer instructions, and when the instructions are executed by a processor, the implementation of any of the foregoing embodiments is implemented. method.
  • FIG. 1 is a schematic flowchart of a method for dynamically triggering RFSP value modification according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a system for dynamically triggering RFSP value modification according to an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of a method for dynamically triggering RFSP value modification according to another embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a PCF-AM entity according to an embodiment of the disclosure.
  • FIG. 5 is a schematic flowchart of a method for dynamically triggering RFSP value modification according to another embodiment of the present disclosure.
  • PCF-AM Policy Control Function
  • PCF-SM Policy Management Function
  • PCF-AM is also called PCF (PCF for the UE) for the user terminal
  • PCF-SM is also called the PDU (Protocol Data Unit, Protocol Data Unit) session for the user terminal PCF (PCF for the PDU Session of this UE).
  • the present disclosure provides a solution for dynamically triggering RFSP value change, which effectively implements precise scheduling of radio resources.
  • FIG. 1 is a schematic flowchart of a method for dynamically triggering RFSP value modification according to an embodiment of the present disclosure.
  • a UPF User Plane Function, User Plane Function
  • the UPF entity detects a start or stop event of a predetermined application through DPI (Deep Packet Inspection).
  • DPI Deep Packet Inspection
  • DPI technology can obtain the content of the entire application by deeply reading the data packet or data stream. By integrating DPI on the UPF, and the application data flow goes through the UPF, the start/stop of the application is also automatically detected.
  • the UPF entity triggers the modification of the RFSP index value in the case of detecting a start or stop event of a predetermined application.
  • the UPF entity sends event notification information to the PCF-SM (policy control function for managing SM policy) entity, wherein the event notification information includes identification information associated with the event.
  • PCF-SM policy control function for managing SM policy
  • the identification information associated with the event includes a user terminal identification, an application identification of a predetermined application, and an event identification of the event.
  • step 104 the PCF-SM entity sends the event notification information to the PCF-AM (policy control function for managing AM policy) entity that subscribes to the event.
  • PCF-AM policy control function for managing AM policy
  • step 105 the PCF-AM entity uses the identification information associated with the event to query the corresponding RFSP index value.
  • the PCF-AM entity uses the identification information associated with the event to query the corresponding RFSP index value in the local preset mapping table.
  • the mapping table is shown in Table 1.
  • UE ID APP ID Event ID RFSP index value UE1 APP1 RAT changes X UE2 APP2 frequency change Y ... ... ... ... ...
  • the corresponding RFSP index value can be queried.
  • the corresponding event may be RAT (Radio Access Technology, Radio Access Technology) change, frequency change, and the like.
  • step 106 the PCF-AM entity sends the RFSP index value and the corresponding AM policy identifier to the access network side device.
  • the AM policy identifier corresponds to the user terminal identifier in one-to-one correspondence. For example, by storing the mapping relationship between the AM policy identifier and the user terminal identifier in the PCF-AM entity. The PCF-AM entity uses the mapping relationship to query the AM policy identifier corresponding to the user terminal identifier.
  • step 107 the access network side device performs corresponding radio resource scheduling according to the RFSP index value and the AM policy identifier.
  • the access network side device may be an AN (Access Network, access network) side device or a RAN (Radio Access Network, radio access network) side device.
  • AN Access Network, access network
  • RAN Radio Access Network, radio access network
  • the PCF-AM entity discovers the PCF-SM entity serving the predetermined application according to the subscription information sent by the BSF (Binding Support Function, binding support function) entity.
  • the PCF-AM entity sends a subscription request for subscribing to a start or stop event of a predetermined application to the PCF-SM entity, so as to receive event notification information sent by the PCF-SM entity.
  • the subscription request includes the identification of the PCF-AM entity, the identification of the user terminal, the application identification of the predetermined application, the identification of the event, the notification destination address, and the event reporting information.
  • FIG. 2 is a schematic structural diagram of a system for dynamically triggering RFSP value modification according to an embodiment of the present disclosure. As shown in FIG. 2 , the system includes a UPF entity 21 , a PCF-SM entity 22 , a PCF-AM entity 23 and an access network side device 24 .
  • the UPF entity 21 is configured to detect a start or stop event of a predetermined application, in the case of detecting a start or stop event of the predetermined application, trigger the change of the RFSP index value, and send event notification information to the PCF-SM entity 22, wherein the event
  • the notification information includes identification information associated with the event.
  • the UPF entity 21 detects a start or stop event of a predetermined application through DPI.
  • the identification information associated with the event includes a user terminal identification, an application identification of a predetermined application, and an event identification of the event.
  • the PCF-SM entity 22 is configured to send event notification information to the PCF-AM entity 23 subscribed to the event.
  • the PCF-AM entity 23 is configured to use the identification information associated with the event to query the corresponding RFSP index value, and send the RFSP index value and the corresponding AM policy identification to the access network side device 24 .
  • the PCF-AM entity 23 uses the identification information associated with the event to query the corresponding RFSP index value in the locally preset mapping table.
  • the corresponding RFSP index value can be queried by using the user terminal identifier, the application identifier of the predetermined application, and the event identifier of the event.
  • the AM policy identifier corresponds to the user terminal identifier in one-to-one correspondence. For example, by storing the mapping relationship between the AM policy identifier and the user terminal identifier in the PCF-AM entity 23 .
  • the PCF-AM entity 23 uses the mapping relationship to query the AM policy identifier corresponding to the user terminal identifier.
  • the access network side device 24 is configured to perform corresponding radio resource scheduling according to the RFSP index value and the AM policy identifier.
  • the access network side device 24 may be an AN side device or a RAN side device.
  • the PCF-AM entity 23 is further configured to discover the PCF-SM entity 22 serving the predetermined application according to the subscription information sent by the BSF entity, and send a subscription request for subscribing to the start or stop event of the predetermined application To PCF-SM entity 22.
  • the subscription request includes the identification of the PCF-AM entity, the identification of the user terminal, the application identification of the predetermined application, the identification of the event, the notification destination address, and the event reporting information.
  • FIG. 3 is a schematic flowchart of a method for dynamically triggering RFSP value modification according to another embodiment of the present disclosure.
  • the following method steps of dynamically triggering RFSP value changes are performed by a PCF-AM entity.
  • step 301 event notification information sent by the PCF-SM entity is received, wherein the event notification information includes identification information associated with the event.
  • the identification information includes the user terminal identification, the application identification of the predetermined application, and the event identification of the event.
  • step 302 the corresponding RFSP index value is queried by using the identification information associated with the event.
  • the PCF-AM entity uses the identification information associated with the event to query the corresponding RFSP index value in the local preset mapping table.
  • step 303 the RFSP index value and the corresponding AM policy identifier are sent to the access network side device, so that the access network side device performs corresponding radio resource scheduling according to the RFSP index value and the AM policy identifier.
  • the AM policy identifier corresponds to the user terminal identifier in one-to-one correspondence.
  • the PCF-AM entity discovers the PCF-SM entity serving the predetermined application according to the subscription information sent by the BSF entity, and sends a subscription request for subscribing to the start or stop event of the predetermined application to the PCF-SM entity.
  • the subscription request includes the identity of the PCF-AM entity, the identity of the user terminal, the application identity of the predetermined application, the identity of the event, the notification target address, and the event report information.
  • FIG. 4 is a schematic structural diagram of a PCF-AM entity according to an embodiment of the present disclosure. As shown in FIG. 4 , the PCF-AM entity includes a memory 41 and a processor 42 .
  • Memory 41 is used to store instructions.
  • Processor 42 is coupled to memory 41 .
  • the processor 42 is configured to implement the method referred to in any of the embodiments of FIG. 3 based on the execution of instructions stored in the memory.
  • the PCF-AM entity further includes a communication interface 43 for exchanging information with other devices.
  • the PCF-AM entity also includes a bus 44 , and the processor 42 , the communication interface 43 , and the memory 41 communicate with each other through the bus 44 .
  • the memory 41 may include high-speed RAM (Random Access Memory, random access memory), and may also include NVM (Non-Volatile Memory, non-volatile memory). For example at least one disk storage.
  • the memory 41 may also be a memory array.
  • the storage 41 may also be divided into blocks, and the blocks may be combined into virtual volumes according to certain rules.
  • processor 42 may be a central processing unit, or may be an ASIC (Application Specific Integrated Circuit), or one or more integrated circuits configured to implement embodiments of the present disclosure.
  • ASIC Application Specific Integrated Circuit
  • the present disclosure also provides a non-transitory computer-readable storage medium.
  • the non-transitory computer-readable storage medium stores computer instructions that, when executed by a processor, implement the method involved in any of the embodiments in FIG. 3 .
  • FIG. 5 is a schematic flowchart of a method for dynamically triggering RFSP value modification according to another embodiment of the present disclosure.
  • the PCF-AM entity discovers the PCF-SM entity serving the predetermined application according to the subscription information sent by the BSF entity by interacting with the BSF entity.
  • the PCF-AM entity sends a subscription request for subscribing to a start or stop event of a predetermined application to the discovered PCF-SM entity.
  • the subscription request includes the identifier of the PCF-AM entity, the identifier of the user terminal, the application identifier of the predetermined application, the event identifier, the notification target address and the event report information.
  • the UPF entity triggers the modification of the RFSP index value when detecting the start or stop event of the predetermined application through the DPI.
  • step 504 the UPF entity sends event notification information to the PCF-SM entity, wherein the event notification information includes identification information associated with the event.
  • the identification information associated with the event includes the user terminal identification, the application identification of the predetermined application, and the event identification of the event.
  • step 505 the PCF-SM entity sends the event notification information to the PCF-AM entity subscribed to the event.
  • step 506 the PCF-AM entity uses the identification information associated with the event to query the corresponding RFSP index value.
  • the corresponding RFSP index value is queried from a preset mapping table by using the user terminal identifier, the application identifier of the predetermined application, and the event identifier of the event.
  • the PCF-AM entity sends the RFSP index value and the corresponding AM policy identifier to the AMF entity.
  • the AM policy identifier corresponds to the user terminal identifier in one-to-one correspondence.
  • step 508 the AMF entity sends the RFSP index value and the corresponding AM policy identifier to the access network side device through the N2 message.
  • step 509 the access network side device performs corresponding radio resource scheduling according to the RFSP index value and the AM policy identifier.
  • the access network side device 24 may be an AN side device or a RAN side device.
  • the functional unit modules described above may be implemented as a general-purpose processor, a programmable logic controller (Programmable Logic Controller, PLC for short), a digital signal processor ( Digital Signal Processor (referred to as: DSP), Application Specific Integrated Circuit (referred to as: ASIC), Field-Programmable Gate Array (referred to as: FPGA) or other programmable logic devices, discrete gates or transistors Logic devices, discrete hardware components, or any suitable combination thereof.
  • a programmable logic controller Programmable Logic Controller, PLC for short
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array

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Abstract

本公开提供一种动态触发RFSP值更改的方法和系统。动态触发RFSP值更改的方法包括:UPF实体在检测到预定应用的开始或停止事件的情况下,触发RFSP索引值的更改;UPF实体向PCF-SM实体发送事件通知信息,其中事件通知信息包括与事件相关联的标识信息;PCF-SM实体将事件通知信息发送给订阅事件的PCF-AM实体;PCF-AM实体利用与事件相关联的标识信息查询出对应的RFSP索引值;PCF-AM实体将RFSP索引值和相应的AM策略标识发送给接入网侧设备;接入网侧设备根据RFSP索引值和AM策略标识执行相应的无线资源调度。

Description

动态触发RFSP值更改的方法和系统
相关申请的交叉引用
本申请是以CN申请号为202011126281.7,申请日为2020年10月20的申请为基础,并主张其优先权,该CN申请的公开内容在此作为整体引入本申请中。
技术领域
本公开涉及移动通信领域,特别涉及一种动态触发RFSP(RAT/Frequency Selection Priority,无线接入/频率选择优先级)值更改的方法和系统。
背景技术
RFSP属于AM(Access and Mobility,接入和移动性)策略的一部分,它允许网络将特定服务引导至特定无线接入资源上。
不同的应用程序对于RFSP要求不同,例如AR(Augmented Reality,增强现实)/VR(Virtual Reality,虚拟现实)等对速率和时延要求高的5G业务建议选择高频无线资源,而对移动性要求高且希望避免频繁切换的业务就可以选择低频无线资源,所以适合它们的RFSP往往不同,由此使用不同的应用需要不同的RFSP索引值。
发明内容
根据本公开实施例的第一方面,提供一种动态触发RFSP值更改的方法,包括:用户面功能UPF实体检测预定应用的开始或停止事件;所述UPF实体在检测到所述预定应用的开始或停止事件的情况下,触发无线接入/频率选择优先级RFSP索引值的更改;所述UPF实体向管理会话管理SM策略的策略控制功能PCF-SM实体发送事件通知信息,其中所述事件通知信息包括与所述事件相关联的标识信息;所述PCF-SM实体将所述事件通知信息发送给订阅所述事件的管理接入和移动性AM策略的策略控制功能PCF-AM实体;所述PCF-AM实体利用与所述事件相关联的标识信息查询出对应的RFSP索引值;所述PCF-AM实体将所述RFSP索引值和相应的AM策略标识发送给接入网侧设备;所述接入网侧设备根据所述RFSP索引值和所述AM策略标识执行相应的无线资源调度。
在一些实施例中,所述标识信息包括用户终端标识、所述预定应用的应用标识和 所述事件的事件标识。
在一些实施例中,所述UPF实体检测预定应用的开始或停止事件包括:所述UPF实体通过深度包检测DPI,检测所述预定应用的开始或停止事件。
在一些实施例中,所述AM策略标识与所述用户终端标识一一对应。
在一些实施例中,所述PCF-AM实体根据绑定支持功能BSF实体发送的订阅信息,发现服务于所述预定应用的所述PCF-SM实体;所述PCF-AM实体将用于订阅所述预定应用的开始或停止事件的订阅请求发送给所述PCF-SM实体。
在一些实施例中,所述订阅请求包括所述PCF-AM实体的标识、用户终端标识、所述预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
根据本公开实施例的第二方面,提供一种动态触发RFSP值更改的系统,包括:用户面功能UPF实体,被配置为检测预定应用的开始或停止事件,在检测到所述预定应用的开始或停止事件的情况下,触发无线接入/频率选择优先级RFSP索引值的更改,并向管理会话管理SM策略的策略控制功能PCF-SM实体发送事件通知信息,其中所述事件通知信息包括与所述事件相关联的标识信息;所述PCF-SM实体,被配置为将所述事件通知信息发送给订阅所述事件的管理接入和移动性AM策略的策略控制功能PCF-AM实体;所述PCF-AM实体,被配置为利用与所述事件相关联的标识信息查询出对应的RFSP索引值,将所述RFSP索引值和相应的AM策略标识发送给接入网侧设备;所述接入网侧设备,被配置为根据所述RFSP索引值和所述AM策略标识执行相应的无线资源调度。
在一些实施例中,所述标识信息包括用户终端标识、所述预定应用的应用标识和所述事件的事件标识。
在一些实施例中,所述UPF实体被配置为通过深度包检测DPI,检测所述预定应用的开始或停止事件。
在一些实施例中,所述AM策略标识与所述用户终端标识一一对应。
在一些实施例中,所述PCF-AM实体还被配置为根据绑定支持功能BSF实体发送的订阅信息,发现服务于所述预定应用的所述PCF-SM实体,将用于订阅所述预定应用的开始或停止事件的订阅请求发送给所述PCF-SM实体。
在一些实施例中,所述订阅请求包括所述PCF-AM实体的标识、用户终端标识、所述预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
根据本公开实施例的第三方面,提供一种动态触发RFSP值更改的方法,由管理 接入和移动性AM策略的策略控制功能PCF-AM实体执行,包括:接收管理会话管理SM策略的策略控制功能PCF-SM实体发送的事件通知信息,其中所述事件通知信息包括与事件相关联的标识信息;利用与所述事件相关联的标识信息查询出对应的RFSP索引值;将所述RFSP索引值和相应的AM策略标识发送给接入网侧设备,以便所述接入网侧设备根据所述RFSP索引值和所述AM策略标识执行相应的无线资源调度。
在一些实施例中,所述标识信息包括用户终端标识、预定应用的应用标识和所述事件的事件标识。
在一些实施例中,所述AM策略标识与所述用户终端标识一一对应。
在一些实施例中,上述方法还包括:根据绑定支持功能BSF实体发送的订阅信息,发现服务于预定应用的所述PCF-SM实体;将用于订阅所述预定应用的开始或停止事件的订阅请求发送给所述PCF-SM实体。
在一些实施例中,所述订阅请求包括所述PCF-AM实体的标识、用户终端标识、所述预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
根据本公开实施例的第四方面,提供一种管理接入和移动性AM策略的策略控制功能PCF-AM实体,包括:存储器,被配置为存储指令;处理器,耦合到存储器,处理器被配置为基于存储器存储的指令执行实现如上述任一项所述的方法。
根据本公开实施例的第五方面,提供一种非瞬态计算机可读存储介质,其中,计算机可读存储介质存储有计算机指令,指令被处理器执行时实现如上述任一实施例所述的方法。
通过以下参照附图对本公开的示例性实施例的详细描述,本公开的其它特征及其优点将会变得清楚。
附图说明
构成说明书的一部分的附图描述了本公开的实施例,并且连同说明书一起用于解释本公开的原理。
参照附图,根据下面的详细描述,可以更加清楚地理解本公开,其中:
图1为本公开一个实施例的动态触发RFSP值更改的方法的流程示意图;
图2为本公开一个实施例的动态触发RFSP值更改的系统的结构示意图;
图3为本公开另一个实施例的动态触发RFSP值更改的方法的流程示意图;
图4为本公开一个实施例的PCF-AM实体的结构示意图;
图5为本公开另一个实施例的动态触发RFSP值更改的方法的流程示意图。
应当明白,附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。此外,相同或类似的参考标号表示相同或类似的构件。
具体实施方式
现在将参照附图来详细描述本公开的各种示例性实施例。对示例性实施例的描述仅仅是说明性的,决不作为对本公开及其应用或使用的任何限制。本公开可以以许多不同的形式实现,不限于这里所述的实施例。提供这些实施例是为了使本公开透彻且完整,并且向本领域技术人员充分表达本公开的范围。应注意到:除非另外具体说明,否则在这些实施例中阐述的部件和步骤的相对布置、材料的组分和数值应被解释为仅仅是示例性的,而不是作为限制。
本公开中使用的“包括”或者“包含”等类似的词语意指在该词前的要素涵盖在该词后列举的要素,并不排除也涵盖其他要素的可能。
本公开使用的所有术语(包括技术术语或者科学术语)与本公开所属领域的普通技术人员理解的含义相同,除非另外特别定义。还应当理解,在诸如通用字典中定义的术语应当被解释为具有与它们在相关技术的上下文中的含义相一致的含义,而不应用理想化或极度形式化的意义来解释,除非这里明确地这样定义。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论,但在适当情况下,所述技术、方法和设备应当被视为说明书的一部分。
发明人通过研究发现,在相关技术中存在以下问题:
1、忽视了应用程序检测动态触发RFSP索引值(AM策略)更改的场景,导致该场景应如何实施的过程缺失;
2、如果管理AM策略的PCF(Policy Control Function,策略控制功能)实体PCF-AM和管理SM(Session Management,会话管理)策略的PCF实体PCF-SM不是同一个实体,则当检测到应用开始或停止时,PCF-SM需要将事件的发生报告PCF-AM,由PCF-AM告知AMF(Access and Mobility Management Function,接入及移动性管理功能)实体更改后的RFSP索引值。而PCF-SM如何找到对应的PCF-AM及如何将事件的发生报告PCF-AM是仍待解决的问题。这里需要说明的是,PCF-AM也被称为用于用户终端的PCF(PCF for the UE),PCF-SM也被称为用于该用户终 端的PDU(Protocol Data Unit,协议数据单元)会话的PCF(PCF for the PDU Session of this UE)。
据此,本公开提供一种动态触发RFSP值更改的方案,有效实现了无线资源的精确调度。
图1为本公开一个实施例的动态触发RFSP值更改的方法的流程示意图。
在步骤101,UPF(User Plane Function,用户面功能)实体检测预定应用的开始或停止事件。
在一些实施例中,UPF实体通过DPI(Deep Packet Inspection,深度包检测),检测预定应用的开始或停止事件。
DPI技术通过深入读取数据包或数据流,从而能够得到整个应用程序的内容。通过将DPI集成在UPF上,且应用数据流都要经过UPF,因此也会自动检测到应用程序的开始/停止。
在步骤102,UPF实体在检测到预定应用的开始或停止事件的情况下,触发RFSP索引值的更改。
在步骤103,UPF实体向PCF-SM(管理SM策略的策略控制功能)实体发送事件通知信息,其中事件通知信息包括与事件相关联的标识信息。
在一些实施例中,与事件相关联的标识信息包括用户终端标识、预定应用的应用标识和事件的事件标识。
在步骤104,PCF-SM实体将事件通知信息发送给订阅事件的PCF-AM(管理AM策略的策略控制功能)实体。
在步骤105,PCF-AM实体利用与事件相关联的标识信息查询出对应的RFSP索引值。
在一些实施例中,PCF-AM实体在本地预设的映射表中,利用与事件相关联的标识信息查询出对应的RFSP索引值。映射表如表1所示。
UE ID APP ID 事件ID RFSP索引值
UE1 APP1 RAT更改 X
UE2 APP2 频率更改 Y
…… …… …… ……
表1
如表1所示,通过利用用户终端标识、预定应用的应用标识和事件的事件标识,能够查询出对应的RFSP索引值。例如,相应的事件可以为RAT(Radio Access Technology,无线接入技术)更改、频率更改等。
在步骤106,PCF-AM实体将RFSP索引值和相应的AM策略标识发送给接入网侧设备。
在一些实施例中,AM策略标识与用户终端标识一一对应。例如,通过将AM策略标识和用户终端标识的映射关系存储在PCF-AM实体中。PCF-AM实体利用该映射关系查询出与用户终端标识相对应的AM策略标识。
在步骤107,接入网侧设备根据RFSP索引值和AM策略标识执行相应的无线资源调度。
例如,接入网侧设备可以为AN(Access Network,接入网)侧设备或RAN(Radio Access Network,无线接入网)侧设备。
在一些实施例中,PCF-AM实体根据BSF(Binding Support Function,绑定支持功能)实体发送的订阅信息,发现服务于预定应用的PCF-SM实体。PCF-AM实体将用于订阅预定应用的开始或停止事件的订阅请求发送给PCF-SM实体,以便接收PCF-SM实体发送的事件通知信息。
在一些实施例中,订阅请求包括PCF-AM实体的标识、用户终端标识、预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
图2为本公开一个实施例的动态触发RFSP值更改的系统的结构示意图。如图2所示,该系统包括UPF实体21、PCF-SM实体22、PCF-AM实体23和接入网侧设备24。
UPF实体21被配置为检测预定应用的开始或停止事件,在检测到预定应用的开始或停止事件的情况下,触发RFSP索引值的更改,并向PCF-SM实体22发送事件通知信息,其中事件通知信息包括与事件相关联的标识信息。
在一些实施例中,UPF实体21通过DPI检测预定应用的开始或停止事件。
在一些实施例中,与事件相关联的标识信息包括用户终端标识、预定应用的应用标识和事件的事件标识。
PCF-SM实体22被配置为将事件通知信息发送给订阅事件的PCF-AM实体23。
PCF-AM实体23被配置为利用与事件相关联的标识信息查询出对应的RFSP索引值,将RFSP索引值和相应的AM策略标识发送给接入网侧设备24。
在一些实施例中,PCF-AM实体23在本地预设的映射表中,利用与事件相关联的标识信息查询出对应的RFSP索引值。
在一些实施例中,利用上述表1,通过利用用户终端标识、预定应用的应用标识和事件的事件标识,能够查询出对应的RFSP索引值。
在一些实施例中,AM策略标识与用户终端标识一一对应。例如,通过将AM策略标识和用户终端标识的映射关系存储在PCF-AM实体23中。PCF-AM实体23利用该映射关系查询出与用户终端标识相对应的AM策略标识。
接入网侧设备24被配置为根据RFSP索引值和AM策略标识执行相应的无线资源调度。
例如,接入网侧设备24可以为AN侧设备或RAN侧设备。
在一些实施例中,PCF-AM实体23还被配置为根据BSF实体发送的订阅信息,发现服务于预定应用的PCF-SM实体22,将用于订阅预定应用的开始或停止事件的订阅请求发送给PCF-SM实体22。
在一些实施例中,订阅请求包括PCF-AM实体的标识、用户终端标识、预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
图3为本公开另一个实施例的动态触发RFSP值更改的方法的流程示意图。在一些实施例中,下列的动态触发RFSP值更改的方法步骤由PCF-AM实体执行。
在步骤301,接收PCF-SM实体发送的事件通知信息,其中事件通知信息包括与事件相关联的标识信息。
在一些实施例中,标识信息包括用户终端标识、预定应用的应用标识和事件的事件标识。
在步骤302,利用与事件相关联的标识信息查询出对应的RFSP索引值。
在一些实施例中,PCF-AM实体在本地预设的映射表中,利用与事件相关联的标识信息查询出对应的RFSP索引值。
在步骤303,将RFSP索引值和相应的AM策略标识发送给接入网侧设备,以便接入网侧设备根据RFSP索引值和AM策略标识执行相应的无线资源调度。
在一些实施例中,AM策略标识与用户终端标识一一对应。
在一些实施例中,PCF-AM实体根据BSF实体发送的订阅信息,发现服务于预定应用的PCF-SM实体,将用于订阅预定应用的开始或停止事件的订阅请求发送给PCF-SM实体。
例如,订阅请求包括PCF-AM实体的标识、用户终端标识、预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
图4为本公开一个实施例的PCF-AM实体的结构示意图。如图4所示,PCF-AM实体包括存储器41和处理器42。
存储器41用于存储指令。处理器42耦合到存储器41。处理器42被配置为基于存储器存储的指令执行实现如图3中任一实施例涉及的方法。
如图4所示,PCF-AM实体还包括通信接口43,用于与其它设备进行信息交互。同时,PCF-AM实体还包括总线44,处理器42、通信接口43、以及存储器41通过总线44完成相互间的通信。
存储器41可以包含高速RAM(Random Access Memory,随机存取存储器),也可还包括NVM(Non-Volatile Memory,非易失性存储器)。例如至少一个磁盘存储器。存储器41也可以是存储器阵列。存储器41还可能被分块,并且块可按一定的规则组合成虚拟卷。
此外,处理器42可以是一个中央处理器,或者可以是ASIC(Application Specific Integrated Circuit,专用集成电路),或者是被配置成实施本公开实施例的一个或多个集成电路。
本公开还提供一种非瞬态计算机可读存储介质。非瞬态计算机可读存储介质存储有计算机指令,指令被处理器执行时实现如图3中任一实施例涉及的方法。
图5为本公开另一个实施例的动态触发RFSP值更改的方法的流程示意图。
在步骤501,PCF-AM实体通过与BSF实体交互,根据BSF实体发送的订阅信息发现服务于预定应用的PCF-SM实体。
在步骤502,PCF-AM实体将用于订阅预定应用的开始或停止事件的订阅请求发送给所发现的PCF-SM实体。
订阅请求包括PCF-AM实体的标识、用户终端标识、预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
在步骤503,UPF实体在通过DPI检测到预定应用的开始或停止事件的情况下,触发RFSP索引值的更改。
在步骤504,UPF实体向PCF-SM实体发送事件通知信息,其中事件通知信息包括与事件相关联的标识信息。
在一些实施例中,与事件相关联的标识信息包括用户终端标识、预定应用的应用 标识和事件的事件标识。
在步骤505,PCF-SM实体将事件通知信息发送给订阅事件的PCF-AM实体。
在步骤506,PCF-AM实体利用与事件相关联的标识信息查询出对应的RFSP索引值。
在一些实施例中,通过利用用户终端标识、预定应用的应用标识和事件的事件标识,从预设的映射表中查询出对应的RFSP索引值。
在步骤507,PCF-AM实体将RFSP索引值和相应的AM策略标识发送给AMF实体。
在一些实施例中,AM策略标识与用户终端标识一一对应。
在步骤508,AMF实体通过N2消息,将RFSP索引值和相应的AM策略标识发送给接入网侧设备。
在步骤509,接入网侧设备根据RFSP索引值和AM策略标识执行相应的无线资源调度。
例如,接入网侧设备24可以为AN侧设备或RAN侧设备。
通过实施本公开上述实施例,能够得到以下有益效果中的至少一项:
(1)填补了3GPP R16版本标准中,应用程序动态触发AM策略更改方法的空白;
(2)在PCF-AM中新增RFSP映射表,可以方便地找到需要更改的RFSP索引值;
(3)扩展原PCF事件开放的订阅/通知服务操作,使流程得到完善。
在一些实施例中,在上面所描述的功能单元模块可以实现为用于执行本公开所描述功能的通用处理器、可编程逻辑控制器(Programmable Logic Controller,简称:PLC)、数字信号处理器(Digital Signal Processor,简称:DSP)、专用集成电路(Application Specific Integrated Circuit,简称:ASIC)、现场可编程门阵列(Field-Programmable Gate Array,简称:FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成,也可以通过程序来指令相关的硬件完成,所述的程序可以存储于一种计算机可读存储介质中,上述提到的存储介质可以是只读存储器,磁盘或光盘等。至此,已经详细描述了本公开的实施例。为了避免遮蔽本公开的构思,没有描述本领域所公知 的一些细节。本领域技术人员根据上面的描述,完全可以明白如何实施这里公开的技术方案。
虽然已经通过示例对本公开的一些特定实施例进行了详细说明,但是本领域的技术人员应该理解,以上示例仅是为了进行说明,而不是为了限制本公开的范围。本领域的技术人员应该理解,可在不脱离本公开的范围和精神的情况下,对以上实施例进行修改或者对部分技术特征进行等同替换。本公开的范围由所附权利要求来限定。

Claims (19)

  1. 一种动态触发RFSP值更改的方法,包括:
    用户面功能UPF实体检测预定应用的开始或停止事件;
    所述UPF实体在检测到所述预定应用的开始或停止事件的情况下,触发无线接入/频率选择优先级RFSP索引值的更改;
    所述UPF实体向管理会话管理SM策略的策略控制功能PCF-SM实体发送事件通知信息,其中所述事件通知信息包括与所述事件相关联的标识信息;
    所述PCF-SM实体将所述事件通知信息发送给订阅所述事件的管理接入和移动性AM策略的策略控制功能PCF-AM实体;
    所述PCF-AM实体利用与所述事件相关联的标识信息查询出对应的RFSP索引值;
    所述PCF-AM实体将所述RFSP索引值和相应的AM策略标识发送给接入网侧设备;
    所述接入网侧设备根据所述RFSP索引值和所述AM策略标识执行相应的无线资源调度。
  2. 根据权利要求1所述的方法,其中:
    所述标识信息包括用户终端标识、所述预定应用的应用标识和所述事件的事件标识。
  3. 根据权利要求1所述的方法,其中,所述UPF实体检测预定应用的开始或停止事件包括:
    所述UPF实体通过深度包检测DPI,检测所述预定应用的开始或停止事件。
  4. 根据权利要求1所述的方法,其中:
    所述AM策略标识与所述用户终端标识一一对应。
  5. 根据权利要求1-4中任一项所述的方法,还包括:
    所述PCF-AM实体根据绑定支持功能BSF实体发送的订阅信息,发现服务于所 述预定应用的所述PCF-SM实体;
    所述PCF-AM实体将用于订阅所述预定应用的开始或停止事件的订阅请求发送给所述PCF-SM实体。
  6. 根据权利要求5所述的方法,其中:
    所述订阅请求包括所述PCF-AM实体的标识、用户终端标识、所述预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
  7. 一种动态触发RFSP值更改的系统,包括:
    用户面功能UPF实体,被配置为检测预定应用的开始或停止事件,在检测到所述预定应用的开始或停止事件的情况下,触发无线接入/频率选择优先级RFSP索引值的更改,并向管理会话管理SM策略的策略控制功能PCF-SM实体发送事件通知信息,其中所述事件通知信息包括与所述事件相关联的标识信息;
    所述PCF-SM实体,被配置为将所述事件通知信息发送给订阅所述事件的管理接入和移动性AM策略的策略控制功能PCF-AM实体;
    所述PCF-AM实体,被配置为利用与所述事件相关联的标识信息查询出对应的RFSP索引值,将所述RFSP索引值和相应的AM策略标识发送给接入网侧设备;
    所述接入网侧设备,被配置为根据所述RFSP索引值和所述AM策略标识执行相应的无线资源调度。
  8. 根据权利要求7所述的系统,其中:
    所述标识信息包括用户终端标识、所述预定应用的应用标识和所述事件的事件标识。
  9. 根据权利要求7所述的系统,其中:
    所述UPF实体被配置为通过深度包检测DPI,检测所述预定应用的开始或停止事件。
  10. 根据权利要求7所述的系统,其中:
    所述AM策略标识与所述用户终端标识一一对应。
  11. 根据权利要求7-10中任一项所述的系统,其中:
    所述PCF-AM实体还被配置为根据绑定支持功能BSF实体发送的订阅信息,发现服务于所述预定应用的所述PCF-SM实体,将用于订阅所述预定应用的开始或停止事件的订阅请求发送给所述PCF-SM实体。
  12. 根据权利要求11所述的系统,其中:
    所述订阅请求包括所述PCF-AM实体的标识、用户终端标识、所述预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
  13. 一种动态触发RFSP值更改的方法,由管理接入和移动性AM策略的策略控制功能PCF-AM实体执行,包括:
    接收管理会话管理SM策略的策略控制功能PCF-SM实体发送的事件通知信息,其中所述事件通知信息包括与事件相关联的标识信息;
    利用与所述事件相关联的标识信息查询出对应的RFSP索引值;
    将所述RFSP索引值和相应的AM策略标识发送给接入网侧设备,以便所述接入网侧设备根据所述RFSP索引值和所述AM策略标识执行相应的无线资源调度。
  14. 根据权利要求13所述的方法,其中:
    所述标识信息包括用户终端标识、预定应用的应用标识和所述事件的事件标识。
  15. 根据权利要求14所述的方法,其中:
    所述AM策略标识与所述用户终端标识一一对应。
  16. 根据权利要求13-15中任一项所述的方法,还包括:
    根据绑定支持功能BSF实体发送的订阅信息,发现服务于预定应用的所述PCF-SM实体;
    将用于订阅所述预定应用的开始或停止事件的订阅请求发送给所述PCF-SM实体。
  17. 根据权利要求16所述的方法,其中:
    所述订阅请求包括所述PCF-AM实体的标识、用户终端标识、所述预定应用的应用标识、事件标识、通知目标地址和事件报告信息。
  18. 一种管理接入和移动性AM策略的策略控制功能PCF-AM实体,包括:
    存储器,被配置为存储指令;
    处理器,耦合到存储器,处理器被配置为基于存储器存储的指令执行实现如权利要求13-17中任一项所述的方法。
  19. 一种非瞬态计算机可读存储介质,其中,计算机可读存储介质存储有计算机指令,指令被处理器执行时实现如权利要求13-17中任一项所述的方法。
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