WO2023222029A1 - 通信处理方法、装置、通信设备及可读存储介质 - Google Patents

通信处理方法、装置、通信设备及可读存储介质 Download PDF

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Publication number
WO2023222029A1
WO2023222029A1 PCT/CN2023/094751 CN2023094751W WO2023222029A1 WO 2023222029 A1 WO2023222029 A1 WO 2023222029A1 CN 2023094751 W CN2023094751 W CN 2023094751W WO 2023222029 A1 WO2023222029 A1 WO 2023222029A1
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Prior art keywords
group
multicast
mbs session
session
identifier
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PCT/CN2023/094751
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English (en)
French (fr)
Inventor
王荣
宋月
魏彬
张剑寅
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2023222029A1 publication Critical patent/WO2023222029A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management

Definitions

  • the embodiments of the present disclosure relate to the field of communication technology, and specifically relate to a communication processing method, device, communication equipment and readable storage medium.
  • Multicast messages in the Local Area Network (LAN) of the fifth generation mobile communication technology (5th Generation, 5G) may be received from the N6/N19 interface and sent to the group being served by the current Session Management Function (Session Management Function, SMF)
  • SMF Session Management Function
  • the members in 1 (User Equipment, UE, user equipment) A, UE C, UE D, and UE E (as shown in Figure 1).
  • UPF User Plane Function
  • MMS Multicast and Broadcast Service
  • Embodiments of the present disclosure provide a communication processing method, device, communication equipment and readable storage medium to solve the problem of how to send multicast messages to required terminals through an MBS session.
  • the first aspect provides a communication processing method applied to UPF, including:
  • the multicast data packet carries group information.
  • the group information is used to indicate that the wireless access network element receives the wireless access network element through the MBS session.
  • the terminal sending the multicast message.
  • the group information includes at least one of the following: group member identification; group identification; group identification and group member identification list;
  • the group identifier is used to determine the group member identifier, and the group member identifier is used to match the group member identifier.
  • the MBS session performs context association mapping, so that the radio access network element sends the multicast message to the terminal corresponding to the group member identification through the MBS session.
  • the method also includes:
  • the group information is obtained from the session management function.
  • the method also includes:
  • the MBS session establishment or modification request carries PDR and/or FAR
  • the PDR carries: data filtering conditions and/or data detection conditions
  • the data filtering conditions and/or data detection conditions include one or more of the following : the group identifier, the IP address corresponding to the group identifier, the media access control layer address corresponding to the group identifier
  • the FAR carries a group message transmission indication.
  • the method also includes:
  • the group information is added to the GTP-U header of the user plane part of the GPRS tunnel protocol of the multicast data message.
  • the group member identifier is a session identifier corresponding to the group member session.
  • a communication processing method applied to wireless access network elements, including:
  • the multicast message is sent to the terminal corresponding to the group information through the MBS session.
  • the group information includes one of the following: group member identification; group identification; group identification and group member list.
  • sending a multicast message to the terminal corresponding to the group information through the MBS session includes:
  • the multicast message is sent to the terminal corresponding to the group member identification through the MBS session.
  • the contextual mapping of the MBS session and the group member identifier includes:
  • GTP-U header contains a group member identifier
  • context-related mapping is performed on the MBS session and the group member identifier.
  • the group member identifier is a session identifier corresponding to the group member session.
  • a communication processing device applied to UPF, including:
  • the first sending module is configured to send a multicast data message to a wireless access network element through an MBS session.
  • the multicast data message carries group information, and the group information is used to indicate receiving the wireless access network element.
  • a communication processing device applied to a wireless access network element, including:
  • the first receiving module is configured to receive multicast data packets sent through the MBS session.
  • the multicast data packets carry group information, and the group information is used to indicate that the wireless access network element receives the multicast data packet through the MBS session.
  • the second sending module is configured to send the multicast message to the terminal corresponding to the group information through the MBS session.
  • a communication device including a processor, a memory, and a program or instructions stored on the memory and executable on the processor.
  • the program or instructions When the program or instructions are executed by the processor, the following is implemented: The steps of the method described in the first aspect or the second aspect.
  • a readable storage medium In a sixth aspect, a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect or the second aspect are implemented.
  • the UPF sends a multicast data message to the wireless access network element through the MBS session.
  • the multicast data message carries group information, where the group information is used to indicate the receiving wireless access network element.
  • the terminal of the multicast message sent through the MBS session so that the wireless access network element can send the multicast message to the terminal corresponding to the group information through the MBS session, so that 5G LAN multicast communication can be realized through the MBS session.
  • Figure 1 is a schematic diagram of the multicast message received by N6/N19;
  • Figure 2 is a flow chart of a communication processing method provided by an embodiment of the present disclosure
  • Figure 3 is a flow chart of another communication processing method provided by an embodiment of the present disclosure.
  • Figure 4 is one of the flow charts for implementing 5G LAN multicast communication through MBS sessions provided by an embodiment of the present disclosure
  • Figure 5 is the second flow chart of implementing 5G LAN multicast communication through MBS sessions provided by an embodiment of the present disclosure
  • Figure 6 is a schematic diagram of a communication processing device provided by an embodiment of the present disclosure.
  • Figure 7 is a schematic diagram of another communication processing device provided by an embodiment of the present disclosure.
  • Figure 8 is a schematic diagram of a communication device provided by an embodiment of the present disclosure.
  • words such as “exemplary” or “such as” are used to represent examples, illustrations or explanations. Any embodiment or design described as “exemplary” or “such as” in the present disclosure is not intended to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the words “exemplary” or “such as” is intended to present the concept in a concrete manner.
  • an embodiment of the present disclosure provides a communication processing method applied to UPF. Specific steps include: step 201.
  • Step 201 Send a multicast data packet to the wireless access network element through the multicast broadcast service MBS session.
  • the multicast data packet carries group information, and the group information is used to indicate receiving the wireless access network element.
  • each terminal has a corresponding group member identification.
  • group 1 includes terminal A, terminal B and terminal C
  • group 2 includes terminal D, terminal E and terminal F, where A, B and C are group 1.
  • the group member IDs in , D, E, and F are the group member IDs in group 2.
  • the group information includes one of the following: group member identification; group identification; group identification and group member list;
  • the group identifier is used to determine a group member identifier, and the group member identifier is used to perform context-related mapping with the MBS session, so that the radio access network element sends a multicast message through the MBS session.
  • the corresponding terminal is identified for the group member.
  • the group member ID can be directly obtained based on the group information.
  • each group member ID in the group corresponding to the group ID can be obtained based on the group ID and information obtained through other methods (such as a group member list).
  • each group member ID in the group corresponding to the group ID can be directly determined based on the group ID and the list of group members.
  • the group identifier is a multicast address
  • the group member identifier is a session identifier corresponding to a group member session (for example, a protocol data unit (Protocol Data Unit, PDU) session (Session) identifier (ID)).
  • PDU Protocol Data Unit
  • Session Session identifier
  • the method further includes:
  • the group information is obtained from the Session Management Function (SMF).
  • SMF Session Management Function
  • the method further includes:
  • the MBS session establishment or modification request carries a Packet Detection Rule (PDR) and/or a Forwarding Action Rule (FAR), and the PDR carries: data filtering conditions and/or data detection conditions,
  • the data filtering conditions and/or data detection conditions include one or more of the following: a group identifier, an Internet Protocol (IP) address corresponding to the group identifier, and a Media Access Control layer (Medium Access Control, MAC) address,
  • IP Internet Protocol
  • MAC Media Access Control layer
  • the FAR carries group message transmission instructions.
  • the above packet detection rules can also be described as packet detection rules, and the forwarding operation rules can also be described as forwarding behavior rules.
  • the method further includes:
  • the group information is added to the GTP-U header of the multicast data message, including:
  • the UPF sends a multicast data message to the wireless access network element through the MBS session.
  • the multicast data message carries group information, where the group information is used to indicate the receiving wireless access network element.
  • the terminal of the multicast message sent through the MBS session so that the wireless access network element can send the multicast message to the terminal corresponding to the group information through the MBS session, so that 5G LAN multicast communication can be realized through the MBS session.
  • an embodiment of the present disclosure provides a communication processing method, which is applied to a wireless access network element, such as a Next Generation Radio Access Network (NG-RAN) network element.
  • NG-RAN Next Generation Radio Access Network
  • the specific steps include: Steps 301. Step 302.
  • Step 301 Receive a multicast data packet sent through an MBS session.
  • the multicast data packet carries group information.
  • the group information is used to indicate receiving a multicast data packet sent by the wireless access network element through the MBS session.
  • the wireless access network element receives the multicast data packet sent by UPF through the MBS session.
  • the group information includes one of the following: group member identification; group identification; group identification and group member list.
  • Step 302 Send the multicast message to the terminal corresponding to the group information through the MBS session.
  • sending a multicast message to a terminal corresponding to the group information through the MBS session includes:
  • the multicast message is sent to the terminal corresponding to the group member identification through the MBS session.
  • the radio access network element can directly obtain the group member identifier according to the group information.
  • the radio access network element can obtain each group member identifier in the group corresponding to the group identifier based on the group identifier and information obtained through other methods (such as a locally stored group member list).
  • the radio access network element can directly determine each group member identifier in the group corresponding to the group identifier based on the group identifier and the group member list.
  • the contextual mapping of the MBS session and the group member identification includes:
  • GTP-U GPRS Tunneling Protocol
  • GTP-U header contains a group member identifier
  • context-related mapping is performed on the MBS session and the group member identifier.
  • the group member identifier is a session identifier corresponding to the group member session.
  • the wireless access network element can send the multicast message to the terminal corresponding to the group information through the MBS session, so that 5G LAN multicast communication can be realized through the MBS session.
  • the group information includes one of the following: group member identification; group identification; group identification and group member list.
  • group information includes: ⁇ multicast address, group member identification ⁇ , and the group member identification at least includes group members PDU Session ID corresponding to the session.
  • PDR ⁇ Source interface: 5G VN internal, destination address: multicast address IP_Add1 ⁇ .
  • FAR ⁇ Destination interface: access, LAN-MBS session related N3/N9 tunnel information, multicast indicator (Multicast indicator) ⁇ .
  • the identification UPF needs to extract the PDU session IDs of all group members corresponding to the multicast address based on the group information. At the same time, add the PDU session IDs of all group members to the GTP-U header on the N3 interface.
  • NG-RAN receives the multicast data packet sent by the MBS session. After detecting the GTP-U header, when it is found that the GTP-U header contains the group member PDU session ID of a certain group, NG-RAN broadcasts the message for this data packet. During the sending process, only the MBS session and these PDU session IDs are contextually mapped and sent to the terminals corresponding to these PDU session IDs.
  • Step 1 Group information synchronization.
  • the group information includes one of the following: group member identification; group identification; group identification and group member list.
  • group information includes: group identification (group identity) and group member list (group member list).
  • Step 2 SMF sends MBS session establishment/revision request to UPF.
  • the MBS session establishment/revision request carries PDR and/or FAR.
  • the PDR carries the group identifier or the group identifier or the IP or MAC address corresponding to the group identifier.
  • the FAR carries a group message transmission indicator.
  • Step 3 UPF sends session establishment/revision response to SMF.
  • Step 4 UPF detects relevant data according to the PDR or FAR rules of the MBS session, and processes the data according to the group message transmission instructions in the FAR. Specifically, UPF needs to extract all group member identifiers synchronized by SMF based on the group information, and convert these The identity of the group member is added to the GTP-U header of the N3 interface.
  • SMF sets data filtering and/or detection conditions in the downstream PDR of the MBS session, including one of the following: group identifier, IP address corresponding to the group identifier, MAC address, and FAR corresponding to the downstream PDR. , add a group message forwarding identifier, and identify the UPF. You need to extract the PDU session IDs of all group members corresponding to the group identifier based on the group information. At the same time, add the PDU session IDs of all group members to the GTP-U header on the N3 interface.
  • the multicast address of the multicast message is IP_Add1
  • the terminal member in the group is UE A, UE C, UE D, UE E
  • the multicast message is sent to UE A, UE C, UE D, and UE E, but does not need to be sent to UE B.
  • FAR ⁇ Destination interface: access, N3/N9 tunnel information related to LAN-MBS session, Multicast indicator).
  • Step 5 UPF sends a GTP-U data message to NG-RAN, and the GTP-U header contains the group member identifier.
  • Step 6 NG-RAN receives the multicast data packet sent by the MBS session and detects the GTP-U header. When it is found that the GTP-U header contains the group member ID of a certain group, NG-RAN will During the sending process, only the MBS session and these group member IDs are contextually mapped and sent to the terminal corresponding to the group member ID.
  • Step 7 NG-RAN sends the air interface data message to the terminal.
  • an embodiment of the present disclosure provides a communication processing device applied to UPF.
  • the device 600 includes:
  • the first sending module 601 is configured to send a multicast data message to a wireless access network element through an MBS session.
  • the multicast data message carries group information, and the group information is used to indicate receiving the wireless access network element.
  • the group identifier is used to determine a group member identifier, and the group member identifier is used to perform context-related mapping with the MBS session, so that the radio access network element multicasts the multicast message through the MBS session.
  • the message is sent to the terminal corresponding to the group member ID.
  • the device 600 further includes:
  • the first acquisition module is used to acquire the group information from SMF.
  • the device 600 further includes:
  • the second acquisition module is used to obtain MBS session establishment or revision requests
  • the MBS session establishment or modification request carries PDR and/or FAR
  • the PDR carries: data filtering conditions and/or data detection conditions
  • the data filtering conditions and/or data detection conditions include one or more of the following : the group identifier, the IP address corresponding to the group identifier, the media access control layer address corresponding to the group identifier
  • the FAR carries a group message transmission indication.
  • the device 600 further includes:
  • a processing module configured to add the group information into the GTP-U header of the multicast data message.
  • the group member identifier is a session identifier corresponding to the group member session.
  • the device provided by the embodiment of the present disclosure can implement each process implemented by the method embodiment shown in Figure 2 and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • an embodiment of the present disclosure provides a communication processing device, which is applied to a wireless access network element.
  • the device 700 includes:
  • the first receiving module 701 is configured to receive multicast data packets sent through the MBS session.
  • the multicast data packets carry group information, and the group information is used to indicate that the wireless access network element receives the multicast data packets sent through the MBS session.
  • the second sending module 702 is configured to send a multicast message to the terminal corresponding to the group information through the MBS session.
  • the second sending module 702 is further configured to: determine the corresponding group member identifier according to the group information; perform context-associated mapping between the MBS session and the group member identifier; The MBS session sends the multicast message to the terminal corresponding to the group member identification.
  • the second sending module 702 is further configured to: detect the GTP-U header of the multicast data message; if the GTP-U header contains a group member identifier, The MBS session and the group member identification are contextually mapped.
  • the group member identifier is a session identifier corresponding to the group member session.
  • the device provided by the embodiment of the present disclosure can implement each process implemented by the method embodiment shown in Figure 3 and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • the embodiment of the present disclosure also provides a communication device 800, including a processor 801, a memory 802, and a program or instruction stored on the memory 802 and executable on the processor 801.
  • the program or instruction When executed by the processor 801, each process of the above method embodiment shown in Figure 2 or Figure 3 is implemented, and the same technical effect can be achieved. To avoid repetition, they will not be repeated here.
  • Embodiments of the present disclosure also provide a readable storage medium, the readable storage medium stores a program A program or instruction, which when executed by a processor, implements each process of the method embodiment shown in FIG. 2 or FIG. 3 and can achieve the same technical effect. To avoid duplication, it will not be described again here.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage media includes computer-readable storage media, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks or optical disks, etc.
  • the steps of the method or algorithm described in conjunction with the disclosure of the present disclosure may be implemented in hardware, or may be implemented in a processor executing software instructions.
  • Software instructions can be composed of corresponding software modules, and the software modules can be stored in RAM, flash memory, ROM, EPROM, EEPROM, registers, hard disks, removable hard disks, read-only disks, or any other form of storage media well known in the art.
  • An exemplary storage medium is coupled to the processor such that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and storage medium can be carried in an Application Specific Integrated Circuit (ASIC).
  • the ASIC can be carried in the core network interface device.
  • the processor and the storage medium can also exist as discrete components in the core network interface device.
  • Computer-readable media includes computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • Storage media can be any available media that can be accessed by a general purpose or special purpose computer.
  • embodiments of the present disclosure may be provided as methods, systems, or computer program products. Accordingly, embodiments of the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment that combines software and hardware aspects. Furthermore, embodiments of the present disclosure may be used in A computer program product in the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • Embodiments of the disclosure are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the disclosure. It will be understood that each process and/or block in the flowchart illustrations and/or block diagrams, and combinations of processes and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine, such that the instructions executed by the processor of the computer or other programmable data processing device produce a use A device for realizing the functions specified in one process or multiple processes of the flowchart and/or one block or multiple blocks of the block diagram.
  • These computer program instructions may also be stored in a computer-readable memory that causes a computer or other programmable data processing apparatus to operate in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction means, the instructions
  • the device implements the functions specified in a process or processes of the flowchart and/or a block or blocks of the block diagram.
  • These computer program instructions may also be loaded onto a computer or other programmable data processing device, causing a series of operating steps to be performed on the computer or other programmable device to produce computer-implemented processing, thereby executing on the computer or other programmable device.
  • Instructions provide steps for implementing the functions specified in a process or processes of a flowchart diagram and/or a block or blocks of a block diagram.

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Abstract

本公开实施例提供一种通信处理方法、装置、通信设备及可读存储介质，该方法包括：通过MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端。

Description

通信处理方法、装置、通信设备及可读存储介质
相关申请的交叉引用
本申请主张在2022年05月20日在中国提交的中国专利申请No.202210554989.5的优先权，其全部内容通过引用包含于此。
技术领域
本公开实施例涉及通信技术领域，具体涉及一种通信处理方法、装置、通信设备及可读存储介质。
背景技术
五代移动通信技术(5th Generation，5G)局域网(Local Area Network，LAN)内的组播消息可能是从N6/N19接口收到并发送给当前会话管理功能(Session Management Function，SMF)正在服务的组1中的成员(User Equipment，UE，即用户设备)A、UE C、UE D、UE E的(如图1所示)。用户面功能(User Plane Function，UPF)如何通过多播广播业务(Multicast and Broadcast Service，MBS)会话向组1中的成员传送组播消息是亟待解决的问题。
发明内容
本公开实施例在于提供一种通信处理方法、装置、通信设备及可读存储介质，解决如何通过MBS会话将组播消息发送给需要的终端的问题。
第一方面，提供一种通信处理方法，应用于UPF，包括：
通过MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端。
可选地，所述组信息包括以下至少之一：组成员标识；组标识；组标识和组成员标识列表；
其中，所述组标识用于确定组成员标识，所述组成员标识用于与所述 MBS会话进行上下文关联映射，以使得所述无线接入网网元通过所述MBS会话将组播消息发送给所述组成员标识对应的终端。
可选地，所述方法还包括：
从会话管理功能获取所述组信息。
可选地，所述方法还包括：
获取MBS会话建立或修订请求；
其中，所述MBS会话建立或修订请求携带PDR和/或FAR，所述PDR携带：数据过滤条件和/或数据检测条件，所述数据过滤条件和/或数据检测条件包括以下一项或多项：组标识、组标识对应的IP地址、组标识对应的媒体接入控制层地址，所述FAR中携带组消息传输指示。
可选地，所述方法还包括：
将所述组信息加入所述组播数据报文的GPRS隧道协议的用户面部分GTP-U头部内。
可选地，所述组成员标识为组成员会话对应的会话标识。
第二方面，提供一种通信处理方法，应用于无线接入网网元，包括：
接收通过MBS会话发送的组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端；
通过所述MBS会话将组播消息发送给所述组信息对应的终端。
可选地，所述组信息包括以下之一：组成员标识；组标识；组标识和组成员列表。
可选地，通过所述MBS会话将组播消息发送给所述组信息对应的终端，包括：
根据所述组信息，确定对应的组成员标识；
将所述MBS会话与所述组成员标识进行上下文关联映射；
通过所述MBS会话将组播消息发送给所述组成员标识对应的终端。
可选地，所述将所述MBS会话与所述组成员标识进行上下文关联映射，包括：
检测所述组播数据报文的GTP-U头部；
如果所述GTP-U头部中包含组成员标识，则将所述MBS会话与所述组成员标识进行上下文关联映射。
可选地，所述组成员标识为组成员会话对应的会话标识。
第三方面，提供一种通信处理装置，应用于UPF，包括：
第一发送模块，用于通过MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端。
第四方面，提供一种通信处理装置，应用于无线接入网网元，包括：
第一接收模块，用于接收通过MBS会话发送的组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端；
第二发送模块，用于通过所述MBS会话将组播消息发送给所述组信息对应的终端。
第五方面，提供一种通信设备，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面或第二方面所述的方法的步骤。
第六方面，提供一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面或第二方面所述的方法的步骤。
在本公开实施例中，UPF通过MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，其中组信息用于指示接收无线接入网网元通过MBS会话发送的组播消息的终端，以使得无线接入网网元可以通过MBS会话将组播消息发送给组信息对应的终端，这样可以通过MBS会话实现5G LAN组播通信。
附图说明
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本公开的限制。而且在整个附图中，用相同的参考符号表示 相同的部件。在附图中：
图1是N6/N19收到的组播消息的示意图；
图2是本公开实施例提供的一种通信处理方法的流程图；
图3是本公开实施例提供的另一种通信处理方法的流程图；
图4是本公开实施例提供的通过MBS会话实现5G LAN组播通信的流程图之一；
图5是本公开实施例提供的通过MBS会话实现5G LAN组播通信的流程图之二；
图6是本公开实施例提供的一种通信处理装置的示意图；
图7是本公开实施例提供的另一种通信处理装置的示意图；
图8是本公开实施例提供的通信设备的示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开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公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，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所有其他实施例，都属于本公开保护的范围。
本公开的说明书和权利要求书中的术语“包括”以及它的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。此外，说明书以及权利要求中使用“和/或”表示所连接对象的至少其中之一，例如A和/或B，表示包含单独A，单独B，以及A和B都存在三种情况。
在本公开实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本公开实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
参见图2，本公开实施例提供一种通信处理方法，应用于UPF，具体步骤包括：步骤201。
步骤201：通过多播广播业务MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端。
可以理解的是，每个终端具有对应的组成员标识，比如，组1包括终端A、终端B和终端C，组2包括终端D、终端E和终端F，其中A、B和C是组1中的组成员标识，D、E、F是组2中的组成员标识。
可选地，所述组信息包括以下之一：组成员标识；组标识；组标识和组成员列表；
其中，所述组标识用于确定组成员标识，所述组成员标识用于与所述MBS会话进行上下文关联映射，以使得所述无线接入网网元通过所述MBS会话将组播消息发送给所述组成员标识对应的终端。
可以理解的是，如果组信息中包括组成员标识，则可以根据组信息直接获取组成员标识。
如果组信息中包括组标识，则可以根据组标识和通过其他方式获取的信息(比如组成员列表)获取该组标识对应的组中的各个组成员标识。
如果组信息中包括组标识和组成员列表，则可以根据组标识和组成员列表直接确定该组标识对应的组中的各个组成员标识。
可选地，组标识为组播地址，所述组成员标识为组成员会话对应的会话标识(比如，协议数据单元(Protocol Data Unit，PDU)会话(Session)标识(Identifier，ID))。
在本公开的一种实施方式中，所述方法还包括：
从会话管理功能(Session Management Function，SMF)获取所述组信息。
在本公开的一种实施方式中，所述方法还包括：
获取MBS会话建立或修订请求；
其中，所述MBS会话建立或修订请求携带包检测规则(Packet Detection Rule，PDR)和/或转发操作规则(Forwarding Action Rule，FAR)，所述PDR携带：数据过滤条件和/或数据检测条件，所述数据过滤条件和/或数据检测条件包括以下一项或多项：组标识、组标识对应的互联网协议(Internet Protocol，IP)地址、媒体接入控制层(Medium Access Control，MAC)地址，所述FAR 中携带组消息传输指示。
上述包检测规则也可以描述为报文检测规则，转发操作规则也可以描述为转发行为规则。
在本公开的一种实施方式中，所述方法还包括：
将所组信息加入所述组播数据报文的GTP-U头部内。
具体地，将所组信息加入所述组播数据报文的GTP-U头部内，包括：
获取所述组标识对应的所有组成员的组成员标识；
将所述组标识，和/或所有组成员的组成员标识加入所述组播数据报文的GPRS隧道协议的用户面部分(User Plane Part of GPRS Tunneling Protocol，GTP-U)头部内，GPRS为General Packet Radio Service的缩写，即通用分组无线服务。
在本公开实施例中，UPF通过MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，其中组信息用于指示接收无线接入网网元通过MBS会话发送的组播消息的终端，以使得无线接入网网元可以通过MBS会话将组播消息发送给组信息对应的终端，这样可以通过MBS会话实现5G LAN组播通信。
参见图3，本公开实施例提供一种通信处理方法，应用于无线接入网网元，比如下一代无线接入网(Next Generation Radio Access Network，NG-RAN)网元，具体步骤包括：步骤301、步骤302。
步骤301：接收通过MBS会话发送的组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端；
比如，无线接入网网元接收UPF通过MBS会话发送的组播数据报文。
可选地，所述组信息包括以下之一：组成员标识；组标识；组标识和组成员列表。
步骤302：通过所述MBS会话将组播消息发送给所述组信息对应的终端。
在本公开的一种实施方式中，通过所述MBS会话将组播消息发送给所述组信息对应的终端，包括：
根据所述组信息，确定对应的组成员标识；
将所述MBS会话与所述组成员标识进行上下文关联映射；
通过所述MBS会话将组播消息发送给所述组成员标识对应的终端。
可以理解的是，如果组信息中包括组成员标识，则无线接入网网元可以根据组信息直接获取组成员标识。
如果组信息中包括组标识，则无线接入网网元可以根据组标识和通过其他方式获取的信息(比如本地存储的组成员列表)获取该组标识对应的组中的各个组成员标识。
如果组信息中包括组标识和组成员列表，则无线接入网网元可以根据组标识和组成员列表直接确定该组标识对应的组中的各个组成员标识。
在本公开的一种实施方式中，所述将所述MBS会话与所述组成员标识进行上下文关联映射，包括：
检测所述组播数据报文的GPRS隧道协议的用户面部分(User Plane Part of GPRS Tunneling Protocol，GTP-U)头部；
如果所述GTP-U头部中包含组成员标识，则将所述MBS会话与所述组成员标识进行上下文关联映射。
在本公开的一种实施方式中，所述组成员标识为组成员会话对应的会话标识。
在本公开实施例中，无线接入网网元可以通过MBS会话将组播消息发送给组信息对应的终端，这样可以通过MBS会话实现5G LAN组播通信。
参见图4，具体流程如下：
(1)SMF将组信息同步至UPF。
可选地，所述组信息包括以下之一：组成员标识；组标识；组标识和组成员列表，比如，组信息包括：{组播地址，组成员标识}，组成员标识至少包含组成员会话对应的PDU Session ID。
(2)MBS会话(或者描述为MBS PDU Session)：
下行PDR/FAR：
PDR:{源接口(Source interface):5G虚拟网内部(5G VN internal),目的地址(destination address):组播地址IP_Add1}。
FAR:{目的接口(Destination interface):access,LAN-MBS会话相关的 N3/N9隧道(tunnel)信息，多播指示(Multicast indicator)}。
其中，FAR中的操作(Action)为Multicast时，标识UPF需要根据组信息提取该组播地址对应的所有组成员的PDU session ID。同时，将所有组成员的PDU session ID加入N3接口上的GTP-U header内。
(3)NG-RAN处理方式：
NG-RAN接收MBS会话发送的组播数据报文，检测GTP-U header后，当发现GTP-U header中包含某个组的组成员PDU session ID，针对该数据包，NG-RAN在广播消息发送过程中，仅将该MBS会话与这些PDU session ID进行上下文关联映射，并发送给这些PDU Session ID对应的终端。
参见图5，具体步骤包括：
步骤1：组信息同步。
可选地，所述组信息包括以下之一：组成员标识；组标识；组标识和组成员列表，比如组信息包括：组标识(group identity)和组成员列表(group member list)。
步骤2：SMF向UPF发送MBS会话建立/修订请求。
其中，MBS会话建立/修订请求中携带PDR和/或FAR。
可选地，PDR携带组标识或组标识或组标识对应的IP或MAC地址。
可选地，FAR携带组消息传输指示(group message transmission indicator)。
步骤3：UPF向SMF发送会话建立/修订响应。
步骤4：UPF根据MBS会话的PDR或FAR规则，检测相关数据，并根据FAR里的组消息传输指示进行数据处理，具体地，UPF需要根据组信息提取SMF同步来的所有组成员标识，将这些组成员的标识加入N3接口的GTP-U头部。
SMF在MBS会话建立、修订过程中，在MBS会话的下行PDR中，设置数据过滤和/或检测条件包括以下之一：组标识、组标识对应的IP地址、MAC地址，在下行PDR对应的FAR中，增加组消息转发标识符，标识UPF需要根据组信息提取该组标识对应的所有组成员的PDU session ID。同时，将所有组成员的PDU session ID加入N3接口上的GTP-U header内。
例如，图1中组播消息的组播地址为IP_Add1，其组内终端成员为UE A, UE C,UE D,UE E)该MBS会话内，将组播消息发送给UE A,UE C,UE D,UE E，而不需要发给UE B。
PDR:{Source interface:5G VN internal,destination address:组播地址IP_Add1}。
FAR:{Destination interface:access,LAN-MBS会话相关的N3/N9 tunnel信息，Multicast indicator)。
步骤5：UPF向NG-RAN发送GTP-U数据报文，GTP-U头部中包含组成员标识。
步骤6：NG-RAN接收MBS会话发送的组播数据报文，检测GTP-U头部，当发现GTP-U头部中包含某个组的组成员标识，针对该数据包，NG-RAN在发送过程中，仅将该MBS会话与这些组成员标识进行上下文关联映射，并发送给组成员标识对应的终端。
步骤7：NG-RAN给终端发送空口数据报文。
参见图6，本公开实施例提供一种通信处理装置，应用于UPF，该装置600包括：
第一发送模块601，用于通过MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端。
可选地，所述组标识用于确定组成员标识，所述组成员标识用于与所述MBS会话进行上下文关联映射，以使得所述无线接入网网元通过所述MBS会话将组播消息发送给所述组成员标识对应的终端。
在本公开的一种实施方式中，所述装置600还包括：
第一获取模块，用于从SMF获取所述组信息。
在本公开的一种实施方式中，所述装置600还包括：
第二获取模块，用于从获取MBS会话建立或修订请求；
其中，所述MBS会话建立或修订请求携带PDR和/或FAR，所述PDR携带：数据过滤条件和/或数据检测条件，所述数据过滤条件和/或数据检测条件包括以下一项或多项：组标识、组标识对应的IP地址、组标识对应的媒体接入控制层地址，所述FAR中携带组消息传输指示。
在本公开的一种实施方式中，所述装置600还包括：
处理模块，用于将所述组信息加入所述组播数据报文的GTP-U头部内。
在本公开的一种实施方式中，所述组成员标识为组成员会话对应的会话标识。
本公开实施例提供的装置能够实现图2所示的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
参见图7，本公开实施例提供一种通信处理装置，应用于无线接入网网元，装置700包括：
第一接收模块701，用于接收通过MBS会话发送的组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端；
第二发送模块702，用于通过所述MBS会话将组播消息发送给所述组信息对应的终端。
在本公开的一种实施方式中，第二发送模块702进一步用于：根据所述组信息，确定对应的组成员标识；将所述MBS会话与所述组成员标识进行上下文关联映射；通过所述MBS会话将组播消息发送给所述组成员标识对应的终端。
在本公开的一种实施方式中，第二发送模块702进一步用于：检测所述组播数据报文的GTP-U头部；如果所述GTP-U头部中包含组成员标识，则将所述MBS会话与所述组成员标识进行上下文关联映射。
在本公开的一种实施方式中，所述组成员标识为组成员会话对应的会话标识。
本公开实施例提供的装置能够实现图3所示的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
如图8所示，本公开实施例还提供一种通信设备800，包括处理器801，存储器802，存储在存储器802上并可在所述处理器801上运行的程序或指令，该程序或指令被处理器801执行时实现上述图2或图3所示方法实施例的各个过程，且能达到相同的技术效果。为避免重复，这里不再赘述。
本公开实施例还提供一种可读存储介质，所述可读存储介质上存储有程 序或指令，该程序或指令被处理器执行时实现上述图2或图3所示方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
结合本公开公开内容所描述的方法或者算法的步骤可以硬件的方式来实现，也可以由在处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成，软件模块可以被存放于RAM、闪存、ROM、EPROM、EEPROM、寄存器、硬盘、移动硬盘、只读光盘或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息。当然，存储介质也可以是处理器的组成部分。处理器和存储介质可以携带在专用集成电路(Application Specific Integrated Circuit，ASIC)中。另外，该ASIC可以携带在核心网接口设备中。当然，处理器和存储介质也可以作为分立组件存在于核心网接口设备中。
本领域技术人员应该可以意识到，在上述一个或多个示例中，本公开所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时，可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的任何可用介质。
以上所述的具体实施方式，对本公开的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本公开的具体实施方式而已，并不用于限定本公开的保护范围，凡在本公开的技术方案的基础之上，所做的任何修改、等同替换、改进等，均应包括在本公开的保护范围之内。
本领域内的技术人员应明白，本公开实施例可提供为方法、系统、或计算机程序产品。因此，本公开实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开实施例可采用在 一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本公开实施例是参照根据本公开实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然，本领域的技术人员可以对本公开实施例进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开实施例的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (15)

  1. 一种通信处理方法，应用于用户面功能UPF，所述方法包括：
    通过多播广播业务MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端。
  2. 根据权利要求1所述的方法，其中，所述组信息包括以下至少之一：组成员标识；组标识；组标识和组成员标识列表；
    其中，所述组标识用于确定组成员标识，所述组成员标识用于与所述MBS会话进行上下文关联映射，以使得所述无线接入网网元通过所述MBS会话将组播消息发送给所述组成员标识对应的终端。
  3. 根据权利要求1所述的方法，所述方法还包括：
    从会话管理功能获取所述组信息。
  4. 根据权利要求1所述的方法，所述方法还包括：
    获取MBS会话建立或修订请求；
    其中，所述MBS会话建立或修订请求携带包检测规则PDR和/或转发操作规则FAR，所述PDR携带：数据过滤条件和/或数据检测条件，所述数据过滤条件和/或数据检测条件包括以下一项或多项：组标识、组标识对应的IP地址、组标识对应的媒体接入控制层地址，所述FAR中携带组消息传输指示。
  5. 根据权利要求1所述的方法，所述方法还包括：
    将所述组信息加入所述组播数据报文的GPRS隧道协议的用户面部分GTP-U头部内。
  6. 根据权利要求2所述的方法，其中，所述组成员标识为组成员会话对应的会话标识。
  7. 一种通信处理方法，应用于无线接入网网元，所述方法包括：
    接收通过MBS会话发送的组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端；
    通过所述MBS会话将组播消息发送给所述组信息对应的终端。
  8. 根据权利要求7所述的方法，其中，所述组信息包括以下之一：组成员标识；组标识；组标识和组成员列表。
  9. 根据权利要求8所述的方法，其中，通过所述MBS会话将组播消息发送给所述组信息对应的终端，包括：
    根据所述组信息，确定对应的组成员标识；
    将所述MBS会话与所述组成员标识进行上下文关联映射；
    通过所述MBS会话将组播消息发送给所述组成员标识对应的终端。
  10. 根据权利要求9所述的方法，其中，所述将所述MBS会话与所述组成员标识进行上下文关联映射，包括：
    检测所述组播数据报文的GTP-U头部；
    如果所述GTP-U头部中包含组成员标识，则将所述MBS会话与所述组成员标识进行上下文关联映射。
  11. 根据权利要求8所述的方法，其中，所述组成员标识为组成员会话对应的会话标识。
  12. 一种通信处理装置，应用于UPF，所述装置包括：
    第一发送模块，用于通过MBS会话向无线接入网网元发送组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端。
  13. 一种通信处理装置，应用于无线接入网网元，所述装置包括：
    第一接收模块，用于接收通过MBS会话发送的组播数据报文，所述组播数据报文中携带组信息，所述组信息用于指示接收所述无线接入网网元通过所述MBS会话发送的组播消息的终端；
    第二发送模块，用于通过所述MBS会话将组播消息发送给所述组信息对应的终端。
  14. 一种通信设备，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1至11中任一项所述的方法的步骤。
  15. 一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1至11中任一项所述的方法的步骤。
PCT/CN2023/094751 2022-05-20 2023-05-17 通信处理方法、装置、通信设备及可读存储介质 WO2023222029A1 (zh)

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