WO2022252874A1 - 信令风暴抑制方法、移动终端、电子设备及存储介质 - Google Patents

信令风暴抑制方法、移动终端、电子设备及存储介质 Download PDF

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WO2022252874A1
WO2022252874A1 PCT/CN2022/088862 CN2022088862W WO2022252874A1 WO 2022252874 A1 WO2022252874 A1 WO 2022252874A1 CN 2022088862 W CN2022088862 W CN 2022088862W WO 2022252874 A1 WO2022252874 A1 WO 2022252874A1
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3gpp
channel
pdu
mobile terminal
session
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PCT/CN2022/088862
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English (en)
French (fr)
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杨海城
周金星
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中兴通讯股份有限公司
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Publication of WO2022252874A1 publication Critical patent/WO2022252874A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/305—Handover due to radio link failure

Definitions

  • the embodiments of the present application relate to the communication field, and in particular to a signaling storm suppression method, a mobile terminal, an electronic device, and a storage medium.
  • the fifth generation mobile communication technology (5th Generation Mobile Communication Technology, referred to as "5G") is a new generation of broadband mobile communication technology with the characteristics of high speed, low delay and large connection. Based on 5G technology, people can communicate with each other through 5G network Interconnection, people and things and even things can be interconnected through the 5G network. Therefore, there are a large number of terminals connected to the 5G network, and the data sending and receiving network delay is low.
  • the main purpose of the embodiments of the present application is to provide a signaling storm suppression method, a mobile terminal, an electronic device, and a storage medium.
  • the embodiment of the present application provides a signaling storm suppression method, which is applied to a mobile terminal, and the mobile terminal and the network side perform data transmission through a multiple access packet data unit MA PDU session, and the MA PDU session includes multiple sessions channel, the session channel is a 3GPP channel and a non-3GPP channel, and the method includes: when at least two MA PDU sessions are detected to be abnormal in the radio link control RRC connection within a preset time, stop the RRC connection retry of at least two MA PDU sessions Process; switch the business data of at least two MA PDU sessions to an available 3GPP channel or non-3GPP channel in turn for transmission.
  • the embodiment of the present application also provides a mobile terminal, the mobile terminal and the network side perform data transmission through a multi-access packet data unit MA PDU session, the MA PDU session includes a plurality of session channels, and the session channel is a 3GPP channel Or a non-3GPP channel, the mobile terminal includes: a monitoring module, which is set to listen to at least two MA PDU sessions within a preset time when the radio link control RRC connection is abnormal, stop the RRC connection retry of at least two MA PDU sessions Process: The session management module is configured to switch the business data of at least two MA PDU sessions to an available 3GPP channel or a non-3GPP channel for transmission.
  • an embodiment of the present application also provides an electronic device, including: at least one processor; a memory connected to the at least one processor in communication; the memory stores instructions that can be executed by the at least one processor, and the instructions are executed by at least one processor Executed by a processor, so that at least one processor can execute the signaling storm suppression method as described above.
  • an embodiment of the present application further provides a computer-readable storage medium, storing a computer program, and implementing the above signaling storm suppression method when the computer program is executed by a processor.
  • FIG. 1 is a flow chart of a signaling storm suppression method provided according to an embodiment of the present application
  • FIG. 2 is a flowchart of a signaling storm suppression method in communication between a mobile terminal and a network side provided according to an embodiment of the present application;
  • FIG. 3 is a flowchart of a method for implementing signaling storm suppression in communication between a mobile terminal and a network side according to another embodiment of the present application;
  • FIG. 4 is a flowchart of a method for implementing signaling storm suppression in communication between a mobile terminal and a network side according to another embodiment of the present application;
  • FIG. 5 is a schematic structural diagram of a mobile terminal provided according to an embodiment of the present application.
  • Fig. 6 is a schematic diagram of an electronic device provided according to an embodiment of the present application.
  • the embodiment of the present application provides a signaling storm suppression method, as shown in FIG. 1 , including:
  • Step 101 stop the RRC connection retry process of at least two MA PDU sessions when the radio link control RRC connection abnormality occurs in at least two MA PDU sessions during the preset time;
  • Step 102 sequentially switching the business data of at least two MA PDU sessions to an available 3GPP channel or a non-3GPP channel for transmission.
  • the signaling storm suppression method of this embodiment is applied to mobile terminals, such as mobile phones, tablets and other devices, and the mobile terminal communicates with the network side to realize network services, wherein the network side of this embodiment needs to support the redirection of access traffic , Switching, and splitting (Access Traffic Steering, Switching, Splitting, referred to as "ATSSS”) functions.
  • the ATSSS function was introduced in the 3GPP R16 version, and is mainly used for path optimization, seamless handover, and multi-channel concurrency of terminal multi-access (Multi-Access, referred to as "MA") services.
  • the mobile terminal can perform data transmission with the network side through a Multi-Access Protocol Data Unit (Multi-Access Protocol Data Unit, referred to as "MA PDU") session.
  • the MA PDU session can have multiple session channels, and the session channel is the first The 3rd Generation Partnership Project (3GPP for short) channel and non-3GPP channel enable the business data of the session to be transmitted through a variety of channel paths to ensure the reliability of data transmission.
  • the mobile terminal stops the RRC connection retry process of at least two MA PDU sessions when the RRC connection abnormality occurs in at least two MA PDU sessions during the preset time, that is, between the mobile terminal and the network side
  • the mobile terminal stops sending signaling to the network side to re-establish the RRC connection, thereby reducing the signaling transmitted in the 3GPP channel, that is, reducing the invalid signaling transmitted in the 3GPP channel , and reduce the power consumption of the mobile terminal.
  • the mobile terminal changes the channels used for service data transmission for each MA PDU session in turn, so that the services in each MA PDU session can continue to be executed, reducing invalid signaling transmitted in the 3GPP channel of the MA PDU session, and reducing the occurrence of signaling in the communication network While eliminating the possibility of storms, it maintains business continuity in each MAPDU session, which improves the competitiveness of mobile terminals.
  • the mobile terminal needs to monitor whether the radio link control (Radio Resource Control, "RRC") of at least two MA PDU sessions is abnormal within a preset time, and immediately stop the MA PDU session where the RRC connection abnormality occurs
  • RRC Radio Resource Control
  • the preset time may be 15 seconds, 10 seconds, 5 seconds, or 1 second, or a preset value may be input by the user.
  • the RRC connection is abnormal, including but not limited to: the mobile terminal sends an RRC connection request but does not receive a response from the network side, the RRC connection request sent by the mobile terminal is rejected by the network side, the mobile terminal initiates RRC re-establishment, and the block error of the RRC connection The Block Error Rate ("BLER" for short) is too high.
  • the mobile terminal initiates RRC re-establishment generally for the following reasons: radio link failure (Radio Link Failure, referred to as "RLF"), handover failure (HO failure), reconfiguration failure (reconfiguration failure) and so on.
  • RLF Radio Link Failure
  • HO failure handover failure
  • reconfiguration failure reconfiguration failure
  • the mobile terminal monitors and identifies the RRC connection abnormality by monitoring whether to send an RRC connection re-establishment message to the network side.
  • the mobile terminal can identify the abnormal MA PDU session by identifying the pdu-Session field in the RRC connection re-establishment message.
  • the RRC connection re-establishment message carrying the session ID in the pdu-Session field is as follows:
  • the mobile terminal before step 101, the mobile terminal also needs to register in a 5G network supporting ATSSS, and establish a MA PDU session with the network side on a 3GPP channel and a non-3GPP channel, ie, a 5G channel and a WiFi channel, respectively.
  • the mobile terminal can determine whether the network supports the ATSSS function by detecting the ats_ind field of the Registration Accept message sent by the 5G network side.
  • the content of the Registration Accept message and the ats_ind field are as follows:
  • ATSSS parameter contents including one PMF IP address information are shown in Table 1 below:
  • the mobile terminal does not listen to the Measurement Assistance Information message within the monitoring time, the mobile terminal does not follow the steps of the signaling storm suppression method.
  • the mobile terminal sequentially switches the service data of the MA PDU session to an available 3GPP channel or a non-3GPP channel for transmission. For example, when the RRC connection of three MA PDU sessions is abnormal, the mobile terminal first obtains the available 3GPP channel or non-3GPP channel of the first MA PDU session, and switches the service data of the first MA PDU session to the available 3GPP channel or non-3GPP channel for transmission, then obtain the available 3GPP channel or non-3GPP channel of the second MA PDU session, switch the business data of the second MA PDU session to the available 3GPP channel or non-3GPP channel for transmission, and finally Obtain the available 3GPP channel or non-3GPP channel of the third MA PDU session, and switch the service data of the second MA PDU session to the available 3GPP channel or non-3GPP channel for transmission.
  • the sequence of the three MA PDU sessions may be the sequence in which the mobile terminal monitors the occurrence of the abnormality, or any other sequence, which is not limited by this application.
  • the mobile terminal sequentially switches the service data of at least two MA PDU sessions to an available 3GPP channel or a non-3GPP channel for transmission, which may be sequentially switching the service data of at least two MA PDU sessions to at least two The non-3GPP channel in the MA PDU session, and specify that all data packets of this MA PDU session will be sent to this non-3GPP channel subsequently.
  • the session channel of the MA PDU session includes 3GPP channels and non-3GPP channels originally, therefore, using the non-3GPP channel transmission path in the MA PDU session as the wireless transmission path can quickly obtain the available wireless channels of the MA PDU session.
  • the transmission path reduces the processing delay of the MA PDU session switching channel, thereby reducing the possibility of signaling storms in the communication network while maintaining the business continuity in each MA PDU session.
  • the mobile terminal Before switching the business data of at least two MA PDU sessions to the non-3GPP channels in the at least two MA PDU sessions, the mobile terminal also sends a channel change notification to the network side through the non-3GPP channels in the at least two MA PDU sessions, For the network side to update the ATSSS rule table, the ATSSS rule table is used to determine the channel used by the MA PDU session.
  • the mobile terminal can send a PDU session Modification Request message to the network side to inform that the MA PDU session will only use the WiFi channel.
  • the Steering Mode "Active-Standby" field in the PDU session Modification Request message is used to indicate the priority of the MA PDU session using the specified channel.
  • the mobile terminal will preferentially use the Active channel to transmit service data, and use the Standby channel as the transmission path for data transmission when the channel is unavailable.
  • ATSSS parameter contents including an ATSSS rule in the 3GPP TS 24.193 specification records the encoding specification of the Steering mode mode, as shown in Table 2 below.
  • ATSSS parameter contents including an ATSSS rule in the 3GPP TS 24.193 specification records the encoding specification of the active-standby mode in the Steering mode mode, as shown in Table 3 below.
  • the mobile terminal sends a channel change notification to the network side before switching the MA PDU session to a non-3GPP channel in the MA PDU session, so that the network side can know the use channel of the MA PDU session, and update the ATSSS rule table .
  • the channel change notification sent by the mobile terminal to the network side according to the pre-acquired IP address and port number of the PMF network element may be a PMFP Access Report message, informing the network side that the MA PDU session will only use the WiFi channel.
  • the mobile terminal can set the message content of the PMFP Access Report message according to Table 6.2.1.4.1-1: PMFP ACCESS REPORT message content in the 3GPP TS 24.193 specification shown in Table 4 below to inform the network side of the 3GPP channel and non-3GPP channel availability.
  • Access availability state information element in the 3GPP TS 24.193 specification to carry the available information of 3GPP channels and non-3GPP channels, as shown in Table 5 and Table 6 below Shown:
  • the mobile terminal before the mobile terminal switches the service data of the at least two MA PDU sessions to the non-3GPP channels in the at least two MA PDU sessions, it also confirms the network of the non-3GPP channel transmission path in the at least two MA PDU sessions The transmission quality meets the preset requirements.
  • the mobile terminal can test the round-trip delay (Round-Trip Time, referred to as "RTT”), rate, received signal strength indication (Received Signal Strength Indication, referred to as "RSSI”), signal-to-noise ratio (Signal Noise Ration, referred to as "SNR”) and other indicators that characterize network transmission quality to measure the network transmission quality of non-3GPP channels, for example, when the mobile terminal measures that the RTT between the network side and the network side is less than the delay preset value, or when the mobile terminal measures When the received signal strength is greater than the signal strength preset value, the mobile terminal considers that the network transmission quality of the non-3GPP channel transmission path meets the preset requirements, that is, the non-3GPP channel transmission path can be used as the data transmission path of this MA PDU session .
  • RTT Round-Trip Time
  • RSSI Receiveived Signal Strength Indication
  • SNR Signal-to-noise ratio
  • the mobile terminal can send a PMFP Echo request message to the network side according to the 3GPP TS 24.193 specification, and receive a PMFP Echo request message from the network side PMFP Echo response information.
  • the mobile terminal obtains the current RTT value by calculating the difference between the current timer Tx value in the PMFP Echo response message and the timer Tx original value in the PMFP Echo request message.
  • the mobile terminal confirms that the network transmission quality of the non-3GPP channel transmission path meets the preset requirements before obtaining the non-3GPP channel transmission path of the MA PDU session, that is, ensures the network of the non-3GPP channel transmission path of the MA PDU session Only when the transmission quality is high, the data transmission path of the MA PDU session of the MA PDU session is changed to a non-3GPP channel transmission path, so as to avoid changing the data transmission path of the MA PDU session to an invalid or poor network transmission quality non-3GPP channel transmission path, In this way, the validity of the data transmission path change is guaranteed.
  • sequentially switching the service data of at least two MA PDU sessions to an available 3GPP channel or a non-3GPP channel for transmission may be to sequentially switch the service data of at least two MA PDU sessions to an area where no RRC exception occurs transmission in the 3GPP channel or non-3GPP channel of the common PDU session.
  • implementing the signaling storm suppression method of the present application when the mobile terminal communicates with the network side includes the following steps:
  • Step 201 After the mobile terminal registers on the 5G network supporting ATSSS, establish a MA PDU session with the network side on the 5G channel and the WiFi channel respectively.
  • Step 202 Monitor whether a Measurement Assistance Information message from the network side is received. If yes, execute step 203; if no, end the execution of the method.
  • Step 203 Parsing out the IP address and port number of the network-side PMF network element in the Measurement Assistance Information message.
  • Step 204 monitor whether RRC re-establishment occurs in a plurality of MA PDU sessions within a preset time. If yes, execute step 205; if no, end the execution of the method.
  • Step 205 specify a MA PDU session, stop the RRC re-establishment process of the MA PDU session.
  • Step 206 measure whether the WiFi channel of the MA PDU session is available. If yes, go to step 207; if not, go to step 209.
  • Step 207 Send a PDU session Modification Request message to the network side, informing the network side that the MA PDU session will only use the WiFi channel.
  • Step 208 set to send all data packets of the specified MA PDU session to the WiFi channel.
  • Step 209 judge whether the abnormal MA PDU sessions of the RRC connection have been processed. If yes, end the execution of the method; if not, execute step 205 .
  • the signaling storm suppression method may include the following steps:
  • Step 301 After the mobile terminal registers on the 5G network supporting ATSSS, establish a MA PDU session with the network side on the 5G channel and the WiFi channel respectively.
  • Step 302 Monitor whether a Measurement Assistance Information message from the network side is received. If yes, execute step 303; if no, end the execution of the method.
  • Step 303 Parsing out the IP address and port number of the network-side PMF network element in the Measurement Assistance Information message.
  • Step 304 monitor whether RRC re-establishment occurs in a plurality of MA PDU sessions within a preset time. If yes, execute step 305; if no, end the execution of the method.
  • Step 305 specify a MA PDU session, stop the RRC re-establishment process of the MA PDU session.
  • Step 306 measure whether the WiFi channel of the MA PDU session is available. If yes, go to step 307; if not, go to step 309.
  • Step 307 Send a PMFP Access Report message to the user plane function (User Plane Function, "UPF") network element on the network side, informing that only the WiFi channel is available.
  • UPF User Plane Function
  • Step 308 Set to send all data packets of the specified MA PDU session to the WiFi channel.
  • Step 309 judge whether the abnormal MA PDU sessions of the RRC connection have been processed. If yes, end the execution of the method; if not, execute step 305 .
  • the signaling storm suppression method may include the following steps:
  • Step 401 After the mobile terminal registers on the 5G network supporting ATSSS, it establishes a MA PDU session with the network side on the 5G channel and the WiFi channel respectively.
  • Step 402 Monitor whether a Measurement Assistance Information message from the network side is received. If yes, execute step 403; if no, end the execution of the method.
  • Step 403 Parsing out the IP address and port number of the network-side PMF network element in the Measurement Assistance Information message.
  • Step 404 Monitor whether RRC re-establishment occurs in a plurality of MA PDU sessions within a preset time. If yes, execute step 405; if no, end the execution of the method.
  • Step 405 specify a MA PDU session, stop the RRC re-establishment process of the MA PDU session.
  • Step 406 measure whether the WiFi channel of the MA PDU session is available. If yes, execute step 4071; if not, execute step 4072.
  • Step 4071 Send a PMFP Access Report message to the UPF network element on the network side to inform that only the WiFi channel is available, and send all data packets of the specified MA PDU session to the WiFi channel.
  • Step 4072 Check whether there is a common PDU session that has not been re-established by RRC. If yes, execute step 40721; if no, end the execution of the method.
  • Step 40721 Send all data packets of the specified MA PDU session to the found public PDU session.
  • Step 408 judge whether the abnormal MA PDU sessions of the RRC connection have been processed. If yes, end the execution of the method; if not, execute step 405 .
  • step division of the above various methods is only for the sake of clarity of description. During implementation, it can be combined into one step or some steps can be split and decomposed into multiple steps. As long as they include the same logical relationship, they are all within the scope of protection of this patent. ; Adding insignificant modifications or introducing insignificant designs to the algorithm or process, but not changing the core design of the algorithm and process are all within the scope of protection of this patent.
  • the embodiment of the present application also relates to a mobile terminal.
  • the mobile terminal and the network side perform data transmission through a multi-access packet data unit MA PDU session.
  • the MA PDU session supports 3GPP channel access and/or non-3GPP channel access, as shown in Figure 5
  • the mobile terminal includes:
  • the monitoring module 501 is configured to stop the RRC connection retry process of at least two MA PDU sessions when the radio link control RRC connection abnormality occurs in at least two MA PDU sessions within a preset time;
  • the session management module 502 is configured to sequentially switch the service data of at least two MAPDU sessions to an available 3GPP channel or a non-3GPP channel for transmission.
  • the session management module 502 is also configured to sequentially switch the service data of at least two MA PDU sessions to non-3GPP channels in the at least two MA PDU sessions.
  • the session management module 502 before switching the business data of at least two MA PDU sessions to non-3GPP channels in at least two MA PDU sessions, the session management module 502 is also configured to pass the at least two MA PDU sessions.
  • the non-3GPP channel sends a channel change notification to the network side for the network side to update the ATSSS rule table, and the ATSSS rule table is used to determine the channel used by the MA PDU session.
  • the channel change notification includes: a PDU session Modification Request message; the session management module 502 is also configured to send a PDU session Modification Request message to the network side.
  • the channel change notification includes: a PMFP Access Report message; the session management module 502 is also configured to send the PMFP Access Report message to the network side.
  • the session management module 502 before switching the business data of at least two MA PDU sessions to non-3GPP channels in at least two MA PDU sessions, the session management module 502 is also configured to confirm the non-3GPP channels in at least two MA PDU sessions.
  • the network transmission quality of the 3GPP channel transmission path meets the preset requirements.
  • the session management module 502 is also configured to sequentially switch the business data of at least two MA PDU sessions to the 3GPP channel or the non-3GPP channel of the common PDU session where no RRC exception occurs for transmission.
  • the embodiment of the present application also relates to an electronic device, as shown in FIG. 6 , including: at least one processor 601; a memory 602 communicatively connected to the at least one processor; instructions, the instructions are executed by at least one processor 601 in the above method for suppressing signaling storms.
  • the memory 602 and the processor 601 are connected by a bus, and the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors 601 and various circuits of the memory 602 together.
  • the bus may also connect together various other circuits such as peripherals, voltage regulators, and power management circuits, all of which are well known in the art and therefore will not be further described herein.
  • the bus interface provides an interface between the bus and the transceivers.
  • a transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing means for communicating with various other devices over a transmission medium.
  • the information processed by the processor 601 is transmitted over the wireless medium through the antenna, which also receives the information and transmits the information to the processor 601 .
  • Processor 601 is responsible for managing the bus and general processing, and may also provide various functions including timing, peripheral interface, voltage regulation, power management, and other control functions. Instead, the memory 602 may be used to store information used by the processor when performing operations.
  • the mobile terminal stops the retry process of the RRC connection of at least two MA PDU sessions when the RRC connection abnormalities occur in at least two MA PDU sessions by monitoring within a preset time, that is When the RRC connection between the mobile terminal and the network side is abnormal, that is, when the 3GPP channel is unavailable, the mobile terminal stops sending signaling to the network side to re-establish the RRC connection, thereby reducing the signaling transmitted in the 3GPP channel and reducing the mobile terminal's power consumption.
  • the mobile terminal changes the channels used for service data transmission for each MA PDU session in turn, so that the services in each MA PDU session can continue to be executed, reducing invalid signaling transmitted in the 3GPP channel of the MA PDU session, and reducing the occurrence of signaling in the communication network While eliminating the possibility of storms, it maintains business continuity in each MAPDU session, which improves the competitiveness of mobile terminals.
  • Embodiments of the present application also relate to a computer-readable storage medium storing a computer program.
  • the above method embodiments are implemented when the computer program is executed by the processor.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc and other media that can store program codes. .

Abstract

一种信令风暴抑制方法、移动终端、电子设备及存储介质，本申请中，信令风暴抑制方法，应用于移动终端，移动终端与网络侧通过多接入分组数据单元MA PDU会话进行数据传输，MA PDU会话包括多个会话通道，会话通道为3GPP通道和非3GPP通道，方法包括：在预设时间内监听到至少两个MA PDU会话发生无线链路控制RRC连接异常时，停止至少两个MA PDU会话的RRC连接重试流程(101)；依次将至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输(102)。

Description

信令风暴抑制方法、移动终端、电子设备及存储介质
相关申请的交叉引用
本申请基于申请号为202110620026.6、申请日为2021年06月03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
本申请实施例涉及通信领域，特别涉及一种信令风暴抑制方法、移动终端、电子设备及存储介质。
背景技术
第五代移动通信技术(5th Generation Mobile Communication Technology，简称“5G”)是具有高速率、低时延和大连接特点的新一代宽带移动通信技术，基于5G技术人与人之间可以通过5G网络互联，人与物甚至物与物之间都可以通过5G网络进行互联。因此，接入5G网络的终端数量众多，数据收发网络时延低。
然而，大量终端接入网络意味着网络中传输的数量也随之增多，由于终端业务原因、网络抖动、突发性大规模接入等情况，都会出现网络信令过载，网络负责接纳、管理终端的信令信道资源将被消耗殆尽，最终导致网络拥塞甚至瘫痪的信令风暴。
因此，相关的通信技术需要一种信令风暴抑制方法，降低通信网络发生信令风暴的可能性。
发明内容
本申请实施例的主要目的在于提出一种信令风暴抑制方法、移动终端、电子设备及存储介质。
为实现上述目的，本申请实施例提供了一种信令风暴抑制方法，应用于移动终端，移动终端与网络侧通过多接入分组数据单元MA PDU会话进行数据传输，MA PDU会话包括多个会话通道，会话通道为3GPP通道和非3GPP通道，方法包括：在预设时间内监听到至少两个MA PDU会话发生无线链路控制RRC连接异常时，停止至少两个MA PDU会话的RRC连接重试流程；依次将至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输。
为实现上述目的，本申请实施例还提供了一种移动终端，移动终端与网络侧通过多接入分组数据单元MA PDU会话进行数据传输，MA PDU会话包括多个会话通道，会话通道为3GPP通道或非3GPP通道，移动终端包括：监听模块，被设置为在预设时间内监听到至少两个MA PDU会话发生无线链路控制RRC连接异常时，停止至少两个MA PDU会话的RRC连接重试流程；会话管理模块，被设置为依次将至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输。
为实现上述目的，本申请实施例还提供了一种电子设备，包括：至少一个处理器；与至少一个处理器通信连接的存储器；存储器存储有可被至少一个处理器执行的指令，指令被至少一个处理器执行，以使至少一个处理器能够执行如上述的信令风暴抑制方法。
为实现上述目的，本申请实施例还提供了一种计算机可读存储介质，存储有计算机程序，计算机程序被处理器执行时实现如上述的信令风暴抑制方法。
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图1是根据本申请一实施例提供的信令风暴抑制方法的流程图；
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图3是根据本申请另一实施例提供的移动终端与网络侧通信中实现信令风暴抑制方法的流程图；
图4是根据本申请又一实施例提供的移动终端与网络侧通信中实现信令风暴抑制方法的流程图；
图5是根据本申请一实施例提供的移动终端结构示意图；
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具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合附图对本申请的各实施例进行详细的阐述。然而，本领域的普通技术人员可以理解，在本申请各实施例中，为了使读者更好地理解本申请而提出了许多技术细节。但是，即使没有这些技术细节和基于以下各实施例的种种变化和修改，也可以实现本申请所要求保护的技术方案。以下各个实施例的划分是为了描述方便，不应对本申请的具体实现方式构成任何限定，各个实施例在不矛盾的前提下可以相互结合相互引用。
本申请的实施例提供了一种信令风暴抑制方法，如图1所示，包括：
步骤101，在预设时间内监听到至少两个MA PDU会话发生无线链路控制RRC连接异常时，停止至少两个MA PDU会话的RRC连接重试流程；
步骤102，依次将至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输。
本实施例的信令风暴抑制方法，应用于移动终端，例如手机、平板等设备，移动终端与网络侧进行通信连接，实现网络服务，其中，本实施例的网络侧需支持接入流量的转向、切换、分流(Access Traffic Steering,Switching,Splitting，简称“ATSSS”)功能。ATSSS功能是3GPP R16版本引入的，主要用于终端多接入(Multi-Access，简称“MA”)业务的路径优选、无缝切换、多路并发等。基于ATSSS功能，移动终端可以与网络侧通过多接入分组数据单元(Multi-Access Protocol Data Unit，简称“MA PDU”)会话进行数据传输，MA PDU会话可以有多个会话通道，会话通道为第三代合作伙伴项目(3rd Generation Partnership Project，简称“3GPP”)通道和非3GPP通道，使得会话的业务数据可以通过多种通道路径进行传输，保证数据传输的可靠性。
在一些情形中，由于网络接入了大量终端，网络中传输的数量也随之增多，由于终端业务原因、网络抖动，突发性大规模接入等情况，都会出现网络信令过载，网络负责接纳、管理终端的信令信道资源将被消耗殆尽，最终导致网络拥塞甚至瘫痪的信令风暴。因此，需要尽量减少信令的无效传输，防止网络拥塞，降低通信网络发生信令风暴的可能性。
本实施例中，移动终端通过在预设时间内监听到至少两个MA PDU会话发生RRC连接异常时，停止至少两个MA PDU会话的RRC连接的重试流程，也就是在移动终端与网络侧的RRC连接出现异常，即3GPP通道无法使用时，移动终端停止向网络侧发送重新建立RRC连接的信令，从而可以减少3GPP通道中传输的信令，即，减少3GPP通道中传输的无效信令，并降低移动终端的功耗。移动终端依次为各MA PDU会话变更业务数据传输使用的通道，从而可以保持各MA PDU会话中的业务可以继续执行，在减少MA PDU会话3GPP通道中传输的无效信令，降低通信网络发生信令风暴可能性的同时，保持各MA PDU会话中的业务连续性，提升了移动终端的竞争力。
下面对本实施例的信令风暴抑制方法的实现细节进行说明，以下内容仅为方便理解提供的实现细节，并非实施本方案的必须。
在步骤101中，移动终端需要在预设时间内监听是否有至少两个MA PDU会话的无线链路控制(Radio Resource Control，简称“RRC”)发生异常，立即停止发生RRC连接异常的MA PDU会话的RRC连接重试流程。其中，预设时间可以是15秒、10秒、5秒、1秒，也可以由用户输入一个预设值。其中，RRC连接异常，包括但不限于：移动终端发送RRC连接请求未收到网络侧的响应、移动终端发送的RRC连接请求被网络侧拒绝、移动终端发起RRC重建立、RRC连接的块误码率(Block Error Rate，简称“BLER”)过高等。其中，移动终端发起RRC重建立一般有如下原因：无线链路失败(Radio Link Failure，简称“RLF”)、切换失败(HO failure)、重配置失败(reconfiguration failure)等。例如，当RRC连接异常为移动终端发起RRC重建立时，移动终端通过监听是否向网络侧发送RRC连接重建立消息来实现监听识别RRC连接异常。移动终端可以通过识别RRC连接重建立消息中的pdu-Session字段，识别出发生异常的MA PDU会话，例如，在pdu-Session字段携带了会话ID的RRC连接重建立消息如下所示：
15:03:15.162 0xB821 NR5G RRC OTA Packet--UL_DCCH/RRC Connection Reestablishment
pdu-Session 1,
15:03:15.163 0xB821 NR5G RRC OTA Packet--UL_DCCH/RRC Connection Reestablishment
pdu-Session 2,
15:03:15.164 0xB821 NR5G RRC OTA Packet--UL_DCCH/RRC Connection Reestablishment
pdu-Session 3。
在一个例子中，在步骤101之前，移动终端还需要在支持ATSSS的5G网络中进行注册，分别在3GPP通道和非3GPP通道，即5G通道和WiFi通道上与网络侧建立MA PDU会话。其中，移动终端可以通过检测5G网络侧发送的Registration Accept消息的ats_ind字段，判断该网络是否支持ATSSS功能。Registration Accept消息内容及ats_ind字段如下：
Figure PCTCN2022088862-appb-000001
Figure PCTCN2022088862-appb-000002
MA PDU会话建立成功后，监听网络侧是否下发Measurement Assistance Information消息。若监听到Measurement Assistance Information消息，则从Measurement Assistance Information消息中解析出网络侧的性能测量功能(Performance Measurement Function，简称“PMF”)网元的IP地址和端口号。在3GPP TS 24.193规范中，Fiigure 6.1.5.2-1:ATSSS parameter contents including one PMF IP address information记载的Measurement Assistance Information消息携带网络侧PMF网元的IP地址和端口号信息的规则如下表1所示：
表1
Figure PCTCN2022088862-appb-000003
若移动终端未在监听时间内监听到Measurement Assistance Information消息，则移动终端不再后续信令风暴抑制方法步骤。
在步骤102中，移动终端依次将MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输。例如，当有三个MA PDU会话的RRC连接发生异常时，移动终端先获取第一个MA PDU会话的可用3GPP通道或非3GPP通道，将第一个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输，再获取第二个MA PDU会话的可用3GPP通道或非3GPP通道，将第二个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输，最后获取第三个MA PDU会话的可用3GPP通道或非3GPP通道，将第二个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输。其中，三个MA PDU会话的排序可以由移动终端监听到发生异常的先后顺序，也可以是其他任意排序，本申请不对此进行限制。
在一个例子中，移动终端依次将至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输，可以是依次将至少两个MA PDU会话的业务数据切换到至少两个MA PDU会话中的非3GPP通道，并指定此MA PDU会话的所有数据报文后续将发往此非3GPP通道。
本实施例中，由于MA PDU会话的会话通道原本就包括3GPP通道和非3GPP通道，因此，使用MA PDU会话中的非3GPP通道传输路径作为无线传输路径，可以快速获取得到MA PDU会 话可用的无线传输路径，减少MA PDU会话切换通道的处理时延，从而在降低通信网络发生信令风暴可能性的同时，保持各MA PDU会话中的业务连续性。
在依次将至少两个MA PDU会话的业务数据切换到至少两个MA PDU会话中的非3GPP通道前，移动终端还通过至少两个MA PDU会话中的非3GPP通道向网络侧发送通道变更通知，供网络侧更新ATSSS规则表，ATSSS规则表用于确定MA PDU会话使用的通道。
移动终端可以通过向网络侧发送PDU session Modification Request消息，告知该MA PDU会话将仅使用WiFi通道。PDU session Modification Request消息如下所示："Traffic Descriptor:Match-all","Steering Mode:Active-Standby,Active＝non-3GPP,Standby＝3GPP"。根据3GPP TS 24.193规范，PDU session Modification Request消息中的Steering Mode"Active-Standby"字段用于指示MA PDU会话使用指定通道的优先级。其中，移动终端会优先使用Active这个通道来传输业务数据，在该通道出现不可用的情况时，改用Standby通道作为传输路径进行数据传输。
3GPP TS 24.193规范中的Table 6.1.3.2-1:ATSSS parameter contents including an ATSSS rule中记载了Steering mode模式的编码规范，如下表2所示。
表2
Figure PCTCN2022088862-appb-000004
3GPP TS 24.193规范中的Table 6.1.3.2-1:ATSSS parameter contents including an ATSSS rule中记载了Steering mode模式中的acitve-standby模式的编码规范，如下表3所示。
表3
Figure PCTCN2022088862-appb-000005
在本实施例中，移动终端通过在将MA PDU会话切换至MA PDU会话中的非3GPP通道前，向网络侧发送通道变更通知，可以使网络侧获知MA PDU会话的使用通道，更新ATSSS规则表。
在另一个例子中，移动终端根据预先获取的PMF网元的IP地址和端口号，向网络侧发送的通道变更通知可以是PMFP Access Report消息，告知网络侧该MA PDU会话将仅使用WiFi通道。移动终端可以根据如下表4所示的3GPP TS 24.193规范中的Table 6.2.1.4.1-1:PMFP ACCESS REPORT message content，设置PMFP Access Report消息的消息内容，以告知网络侧3GPP通道和非3GPP通道的可用情况。
表4
Figure PCTCN2022088862-appb-000006
其中，Access availability state的内容需根据3GPP TS 24.193规范中的Figure 6.2.2.3-1:Access availability state information element记载的规范生成，以携带3GPP通道和非3GPP通道的可用信息，如下表5、表6所示：
表5
Figure PCTCN2022088862-appb-000007
表6
Figure PCTCN2022088862-appb-000008
在一个例子中，移动终端在将至少两个MA PDU会话的业务数据切换到至少两个MA PDU会话中的非3GPP通道前，还确认至少两个MA PDU会话中的非3GPP通道传输路径的网络传输质量满足预设要求。其中，移动终端可以通过测试往返时延(Round-Trip Time，简称“RTT”)、速率、接收的信号强度指示(Received Signal Strength Indication，简称“RSSI”)、信噪比(Signal Noise Ration，简称“SNR”)等表征网络传输质量的指标，来衡量非3GPP通道的网络传输质量，例如，当移动终端测量到与网络侧之间的RTT小于时延预设值时，或者，当移动终端测量到接收的信号强度大于信号强度预设值时，移动终端认为此非3GPP通道传输路径的网络传输质量满足预设要求，即，此非3GPP通道传输路径可作为此MA PDU会话的数据传输路径使用。
当移动终端选择测量到与网络侧之间的RTT，衡量非3GPP通道的网络传输质量时，移动终端可以根据3GPP TS 24.193规范，发送PMFP Echo请求消息给网络侧，接收网络侧答复PMFP Echo请求消息的PMFP Echo响应信息。移动终端通过计算PMFP Echo响应消息中的定时器Tx当前值与PMFP Echo请求消息中的定时器Tx原始值的差，得到本次的RTT值。
本实施例中，移动终端通过在获取MA PDU会话的非3GPP通道传输路径前，确认非3GPP通道传输路径的网络传输质量满足预设要求，即，确保MA PDU会话的非3GPP通道传输路径的网络传输质量较高时，才将MA PDU会话的MA PDU会话的数据传输路径变更为非3GPP通道传输路径，避免MA PDU会话的数据传输路径变更为无效或网络传输质量差的非3GPP通道传输路径，从而保证数据传输路径变更的有效性。
在另一个例子中，依次将至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输，可以是依次将至少两个MA PDU会话的业务数据切换到未发生RRC异常的公共PDU会话的3GPP通道或非3GPP通道中进行传输。
本实施例中，通过将MA PDU会话的业务数据切换到未发生RRC异常的公共PDU会话的3GPP通道或非3GPP通道中进行传输，可以在降低通信网络发生信令风暴可能性的同时，保持各MA PDU会话中的业务连续性。
在一个实施例中，如图2所示，移动终端在与网络侧进行通信中实现本申请的信令风暴抑制方法包括以下步骤：
步骤201：移动终端在支持ATSSS的5G网络上注册后，分别在5G通道和WiFi通道上与网络侧建立MA PDU会话。
步骤202：监听是否收到网络侧的Measurement Assistance Information消息。若是，则执行步骤203；若否，则结束方法执行。
步骤203：解析出Measurement Assistance Information消息中的网络侧PMF网元的IP地址和端口号。
步骤204：监听在预设时间内是否有多个MA PDU会话发生RRC重建立。若是，则执行步骤205；若否，则结束方法执行。
步骤205：指定一个MA PDU会话，停止该MA PDU会话的RRC重建立流程。
步骤206：测量该MA PDU会话的WiFi通道是否可用。若是，则执行步骤207；若否，则执行步骤209。
步骤207：向网络侧发送PDU session Modification Request消息，告知网络侧该MA PDU会话将仅使用WiFi通道。
步骤208：设置将指定MA PDU会话的所有数据报文发往WiFi通道。
步骤209：判断发生RRC连接异常的MA PDU会话是否都已处理完毕。若是，则结束方法执行；若否，则执行步骤205。
在一个实施例中，如图3所示，信令风暴抑制方法可以包括以下步骤：
步骤301：移动终端在支持ATSSS的5G网络上注册后，分别在5G通道和WiFi通道上与网络侧建立MA PDU会话。
步骤302：监听是否收到网络侧的Measurement Assistance Information消息。若是，则执行步骤303；若否，则结束方法执行。
步骤303：解析出Measurement Assistance Information消息中的网络侧PMF网元的IP地址和端口号。
步骤304：监听在预设时间内是否有多个MA PDU会话发生RRC重建立。若是，则执行步骤305；若否，则结束方法执行。
步骤305：指定一个MA PDU会话，停止该MA PDU会话的RRC重建立流程。
步骤306：测量该MA PDU会话的WiFi通道是否可用。若是，则执行步骤307；若否，则执行步骤309。
步骤307：向网络侧的用户面功能(User Plane Function，简称“UPF”)网元发送PMFP Access Report消息，告知仅WiFi通道可用。
步骤308：设置将指定MA PDU会话的所有数据报文发往WiFi通道。
步骤309：判断发生RRC连接异常的MA PDU会话是否都已处理完毕。若是，则结束方法执行；若否，则执行步骤305。
在一个实施例中，如图4所示，信令风暴抑制方法可以包括以下步骤：
步骤401：移动终端在支持ATSSS的5G网络上注册后，分别在5G通道和WiFi通道上与网络侧建立MA PDU会话。
步骤402：监听是否收到网络侧的Measurement Assistance Information消息。若是，则执行步骤403；若否，则结束方法执行。
步骤403：解析出Measurement Assistance Information消息中的网络侧PMF网元的IP地址和端口号。
步骤404：监听在预设时间内是否有多个MA PDU会话发生RRC重建立。若是，则执行步骤405；若否，则结束方法执行。
步骤405：指定一个MA PDU会话，停止该MA PDU会话的RRC重建立流程。
步骤406：测量该MA PDU会话的WiFi通道是否可用。若是，则执行步骤4071；若否，则执行步骤4072。
步骤4071：向网络侧UPF网元发送PMFP Access Report消息，告知仅WiFi通道可用，将指定MA PDU会话的所有数据报文发往WiFi通道。
步骤4072：查找是否存在未发生RRC重建立的公共PDU会话。若是，则执行步骤40721，若否，则结束方法执行。
步骤40721：将指定MA PDU会话的所有数据报文发往查找到的公共PDU会话。
步骤408：判断发生RRC连接异常的MA PDU会话是否都已处理完毕。若是，则结束方法执行；若否，则执行步骤405。
上面各种方法的步骤划分，只是为了描述清楚，实现时可以合并为一个步骤或者对某些步骤进行拆分，分解为多个步骤，只要包括相同的逻辑关系，都在本专利的保护范围内；对算法中或者流程中添加无关紧要的修改或者引入无关紧要的设计，但不改变其算法和流程的核心设计都在该专利的保护范围内。
本申请实施例还涉及一种移动终端，移动终端与网络侧通过多接入分组数据单元MA PDU会话进行数据传输，MA PDU会话支持3GPP通道接入和/或非3GPP通道接入，如图5所示，移动终端包括：
监听模块501，被设置为在预设时间内监听到至少两个MA PDU会话发生无线链路控制RRC连接异常时，停止至少两个MA PDU会话的RRC连接重试流程；
会话管理模块502，被设置为依次将至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输。
在一个例子中，会话管理模块502，还被设置为依次将至少两个MA PDU会话的业务数据切换到至少两个MA PDU会话中的非3GPP通道。
在一个例子中，在依次将至少两个MA PDU会话的业务数据切换到至少两个MA PDU会话中的非3GPP通道前，会话管理模块502，还被设置为通过至少两个MA PDU会话中的非3GPP通道向网络侧发送通道变更通知，供网络侧更新ATSSS规则表，ATSSS规则表用于确定MA PDU会话使用的通道。
在一个例子中，通道变更通知，包括：PDU session Modification Request消息；会话管理模块502，还被设置为向网络侧发送PDU session Modification Request消息。
在一个例子中，通道变更通知，包括：PMFP Access Report消息；会话管理模块502，还被设置为向网络侧发送PMFP Access Report消息。
在一个例子中，在将至少两个MA PDU会话的业务数据切换到至少两个MA PDU会话中的非3GPP通道前，会话管理模块502，还被设置为确认至少两个MA PDU会话中的非3GPP通道传输路径的网络传输质量满足预设要求。
在一个例子中，会话管理模块502，还被设置为依次将至少两个MA PDU会话的业务数据切换到未发生RRC异常的公共PDU会话的3GPP通道或非3GPP通道中进行传输。
本申请实施例还涉及一种电子设备，如图6所示，包括：至少一个处理器601；与至少一个处理器通信连接的存储器602；其中，存储器602存储有可被至少一个处理器601执行的指令，指令被至少一个处理器601执行上述信令风暴抑制方法。
其中，存储器602和处理器601采用总线方式连接，总线可以包括任意数量的互联的总线和桥，总线将一个或多个处理器601和存储器602的各种电路连接在一起。总线还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路连接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口在总线和收发机之间提供接口。收发机可以是一个元件，也可以是多个元件，比如多个接收器和发送器，提供用于在传输介质上与各种其他装置通信的单元。经处理器601处理的信息通过天线在无线介质上进行传输，天线还接收信息并将信息传送给处理器601。
处理器601负责管理总线和通常的处理，还可以提供各种功能，包括定时，外围接口，电压调节、电源管理以及其他控制功能。而存储器602可以被用于存储处理器在执行操作时所使用的信息。
本申请提出的信令风暴抑制方法，由移动终端通过在预设时间内监听到至少两个MA PDU会话发生RRC连接异常时，停止至少两个MA PDU会话的RRC连接的重试流程，也就是在移动终端与网络侧的RRC连接出现异常，即3GPP通道无法使用时，移动终端停止向网络侧发送重新建立RRC连接的信令，从而可以减少3GPP通道中传输的信令，并降低移动终端的功耗。移动终端依次为各MA PDU会话变更业务数据传输使用的通道，从而可以保持各MA PDU会话中的业务可以继续执行，在减少MA PDU会话3GPP通道中传输的无效信令，降低通信网络发生信令风暴可能性的同时，保持各MA PDU会话中的业务连续性，提升了移动终端的竞争力。
本申请的实施例还涉及一种计算机可读存储介质，存储有计算机程序。计算机程序被处理器执行时实现上述方法实施例。
即，本领域技术人员可以理解，实现上述实施例方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序存储在一个存储介质中，包括若干指令用以使得一个设备(可以是单片机，芯片等)或处理器(processor)执行本申请各个实施例方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(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。
本领域的普通技术人员可以理解，上述各实施例是实现本申请的实施例，而在实际应用中，可以在形式上和细节上对其作各种改变，而不偏离本申请的精神和范围。

Claims (10)

  1. 一种信令风暴抑制方法，应用于移动终端，所述移动终端与网络侧通过多接入分组数据单元MA PDU会话进行数据传输，所述MA PDU会话包括多个会话通道，所述会话通道为3GPP通道和非3GPP通道，所述方法包括：
    在预设时间内监听到至少两个所述MA PDU会话发生无线链路控制RRC连接异常时，停止所述至少两个MA PDU会话的RRC连接重试流程；
    依次将所述至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输。
  2. 根据权利要求1所述的信令风暴抑制方法，其中，所述依次将所述至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输，包括：
    依次将所述至少两个MA PDU会话的业务数据切换到所述至少两个MA PDU会话中的非3GPP通道。
  3. 根据权利要求2所述的信令风暴抑制方法，其中，在依次将所述至少两个MA PDU会话的业务数据切换到所述至少两个MA PDU会话中的非3GPP通道前，所述方法还包括：
    通过所述至少两个MA PDU会话中的非3GPP通道向所述网络侧发送通道变更通知，供所述网络侧更新ATSSS规则表，所述ATSSS规则表用于确定所述MA PDU会话使用的通道。
  4. 根据权利要求3所述的信令风暴抑制方法，其中，所述通道变更通知，包括：
    PDU session Modification Request消息；
    所述向所述网络侧发送通道变更通知，包括：
    向所述网络侧发送所述PDU session Modification Request消息。
  5. 根据权利要求3所述的信令风暴抑制方法，其中，所述通道变更通知，包括：
    PMFP Access Report消息；
    所述向所述网络侧发送通道变更通知，包括：
    向所述网络侧发送所述PMFP Access Report消息。
  6. 根据权利要求2所述的信令风暴抑制方法，其中，在所述将所述至少两个MA PDU会话的业务数据切换到所述至少两个MA PDU会话中的非3GPP通道前，所述方法还包括：
    确认所述至少两个MA PDU会话中的非3GPP通道的网络传输质量满足预设要求。
  7. 根据权利要求1所述的信令风暴抑制方法，其中，所述依次将所述至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输，包括：
    依次将所述至少两个MA PDU会话的业务数据切换到未发生RRC异常的公共PDU会话的3GPP通道或非3GPP通道中进行传输。
  8. 一种移动终端，所述移动终端与网络侧通过多接入分组数据单元MA PDU会话进行数据传输，所述MA PDU会话包括多个会话通道，所述会话通道为3GPP通道或非3GPP通道，所述移动终端包括：
    监听模块，被设置为在预设时间内监听到至少两个所述MA PDU会话发生无线链路控制RRC连接异常时，停止所述至少两个MA PDU会话的RRC连接重试流程；
    会话管理模块，被设置为依次将所述至少两个MA PDU会话的业务数据切换到可用的3GPP通道或非3GPP通道中进行传输。
  9. 一种电子设备，包括：
    至少一个处理器；
    与所述至少一个处理器通信连接的存储器；以及
    所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行如权利要求1至7中任一项所述的信令风暴抑制方法。
  10. 一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至7中任一项所述的信令风暴抑制方法。
PCT/CN2022/088862 2021-06-03 2022-04-24 信令风暴抑制方法、移动终端、电子设备及存储介质 WO2022252874A1 (zh)

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