WO2025050908A2 - Procédé de traitement, dispositif de communication et support de stockage - Google Patents

Procédé de traitement, dispositif de communication et support de stockage Download PDF

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Publication number
WO2025050908A2
WO2025050908A2 PCT/CN2024/110143 CN2024110143W WO2025050908A2 WO 2025050908 A2 WO2025050908 A2 WO 2025050908A2 CN 2024110143 W CN2024110143 W CN 2024110143W WO 2025050908 A2 WO2025050908 A2 WO 2025050908A2
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WO
WIPO (PCT)
Prior art keywords
terminal device
network device
information
message
optionally
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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PCT/CN2024/110143
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English (en)
Chinese (zh)
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WO2025050908A3 (fr
Inventor
吴文
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Shenzhen Transsion Holdings Co Ltd
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Shenzhen Transsion Holdings Co Ltd
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Priority to PCT/CN2024/110143 priority Critical patent/WO2025050908A2/fr
Priority to PCT/CN2024/127006 priority patent/WO2025156739A1/fr
Publication of WO2025050908A2 publication Critical patent/WO2025050908A2/fr
Publication of WO2025050908A3 publication Critical patent/WO2025050908A3/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

Definitions

  • the present application relates to the field of communication technology, and in particular to a processing method, a communication device and a storage medium.
  • ISL Inter-Satellite Link
  • the receiving satellite may not have the terminal device context, and may not be able to obtain the terminal device context from the neighboring cell, causing the terminal device RRC connection recovery to fail.
  • the terminal device falls back to the RRC connection establishment process, resulting in the UP mode being unusable. Therefore, it is urgent to further improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode to ensure that the UP mode can be used normally.
  • the main purpose of this application is to provide a processing method, a communication device and a storage medium, and to propose a signaling process for a satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the present application provides a processing method which can be applied to a terminal device (such as a mobile phone), comprising the steps of:
  • S1 Send a first message to enable the network device to perform a first process based on the first message.
  • the first message includes at least one of the following:
  • the method further comprises at least one of the following:
  • the service mode information of the terminal device includes at least one of a service cycle, a service volume, and a delay requirement;
  • the location information of the terminal device includes at least one of the current location information of the terminal device, the predicted location information of the terminal device, and the track information of the terminal device;
  • the network device list carries the network device information for the terminal device to initiate an RRC connection recovery request and/or monitor paging
  • the network device list is obtained by the terminal device according to at least one of the service mode information, the location information, the satellite auxiliary information and the historical access network device information of the terminal device.
  • the network device performs a first process based on the first message, including at least one of the following:
  • the network device stores the received uplink data or signaling
  • the network device sends a second message
  • the network device After the network device restores the connection with the ground station, the network device sends a third message to the core network device, so that the core network device sends the first information to the corresponding network device.
  • the method further comprises at least one of the following:
  • the second message includes at least one of a restoration identification list, an effective time, a valid time, a network device identification list, a terminal device context identification, and a confirmation of a request to save the terminal device context;
  • the third message includes at least one of the uplink data or signaling stored by the network device, the recovery identifier list, the terminal device context information, the location information of the terminal device, the effective time, the valid time, the network device identifier list and the terminal device context identifier;
  • the first information includes at least one of the terminal device context information, a recovery identification list, the location information of the terminal device, the effective time, the valid time, the terminal device context identification, and the downlink data or signaling to be sent.
  • the method further comprises at least one of the following:
  • the method further comprises at least one of the following:
  • the recovery identification list carries the network device information for the terminal device to initiate the RRC connection recovery request and/or monitor the paging;
  • the effective time indicates the effective time when the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging;
  • the validity time indicates the validity time during which the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging;
  • the network device is at least one of a base station, a cell and a satellite;
  • the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier and a terminal device context identifier.
  • the present application also provides a processing method, which can be applied to a network device (such as a base station), comprising the steps of:
  • S2 Perform a first process based on a first message sent by a terminal device.
  • the first message includes at least one of the following:
  • the method further comprises at least one of the following:
  • the service mode information of the terminal device includes at least one of a service cycle, a service volume, and a delay requirement;
  • the location information of the terminal device includes at least one of the current location information of the terminal device, the predicted location information of the terminal device, and the track information of the terminal device;
  • the network device list carries the network device information for the terminal device to initiate an RRC connection recovery request and/or monitor paging
  • the network device list is obtained by the terminal device according to at least one of the service mode information, the location information, the satellite auxiliary information and the historical access network device information of the terminal device.
  • performing a first process includes at least one of the following:
  • a third message is sent to the core network device so that the core network device sends the first information to the corresponding network device.
  • the method further comprises at least one of the following:
  • the second message includes at least one of a restoration identification list, an effective time, a valid time, a network device identification list, a terminal device context identification, and a confirmation of a request to save the terminal device context;
  • the third message includes at least one of the uplink data or signaling stored by the network device, the recovery identifier list, the terminal device context information, the location information of the terminal device, the effective time, the valid time, the network device identifier list and the terminal device context identifier;
  • the first information includes at least one of the terminal device context information, a recovery identifier list, the location information of the terminal device, the effective time, the valid time, the terminal device context identifier, and the downlink data or signaling to be sent;
  • system message Broadcasting a system message, wherein the system message carries store-and-forward mode indication information
  • the method further comprises at least one of the following:
  • the recovery identification list carries the network device information for the terminal device to initiate the RRC connection recovery request and/or monitor the paging;
  • the effective time indicates the effective time when the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging;
  • the validity time indicates the validity time during which the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging;
  • the network device is at least one of a base station, a cell and a satellite;
  • the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier and a terminal device context identifier.
  • the present application also provides a processing device, wherein the device comprises:
  • the sending module is used to send a first message so that the network device performs a first process based on the first message.
  • the present application also provides a processing device, wherein the device comprises:
  • a processing module is used to perform a first process based on a first message, where the first message is sent by a terminal device.
  • the present application also provides a communication device, including: a memory, a processor, and a A running processing program, which implements the steps of any of the processing methods described above when executed by the processor.
  • the communication device in this application can be a terminal device (such as a mobile phone) or a network device (such as a base station).
  • a terminal device such as a mobile phone
  • a network device such as a base station
  • the present application also provides a computer-readable storage medium, on which a computer program is stored.
  • a computer program is stored.
  • the steps of any of the processing methods described above are implemented.
  • the terminal device sends a first message so that the network device performs a first process based on the first message, thereby proposing a signaling process for the satellite (base station) storage and forwarding mode to ensure that the UP mode can be used normally.
  • FIG1 is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application.
  • FIG2 is a diagram of a communication network system architecture provided in an embodiment of the present application.
  • FIG3 is a schematic diagram of a hardware structure of a controller 140 provided in the present application.
  • FIG4 is a schematic diagram of the hardware structure of a network device 150 provided in the present application.
  • FIG5 is a schematic diagram of a signaling flow of a processing method according to an embodiment of the present application.
  • FIG6 is a schematic flow chart of a processing method according to the first embodiment of the present application.
  • FIG7 is a schematic flow chart of a processing method according to a sixth embodiment of the present application.
  • FIG8 is a schematic diagram of the interaction flow between a network device and a terminal device of a processing method shown in the seventh embodiment of the present application;
  • FIG9 is a first structural diagram of a processing device provided in an embodiment of the present application.
  • FIG10 is a second structural schematic diagram of a processing device provided in an embodiment of the present application.
  • FIG. 11 is a schematic diagram of the structure of a communication device provided in an embodiment of the present application.
  • first, second, third, etc. may be used to describe various information in this article, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information
  • second information may also be referred to as the first information.
  • word “if” as used herein can be interpreted as “at the time of -- or "when" or "in response to determination”.
  • singular forms “one”, “one” and “the” are intended to also include plural forms, unless there is an opposite indication in the context.
  • “comprising at least one of the following: A, B, C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”, and for another example, “A, B or C” or “A, B and/or C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”.
  • An exception to this definition will only occur when a combination of elements, functions, steps or operations are inherently mutually exclusive in some manner.
  • steps in the flowchart in the embodiment of the present application are shown in sequence as indicated by the arrows, these steps are The steps are not necessarily executed in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least a part of the steps in the figure may include multiple sub-steps or multiple stages, and these sub-steps or stages are not necessarily executed at the same time, but can be executed at different times, and their execution order is not necessarily sequential, but can be executed in turn or alternately with other steps or at least a part of the sub-steps or stages of other steps.
  • the words “if” and “if” may be interpreted as “at the time of” or “when” or “in response to determining” or “in response to detecting”, depending on the context.
  • the phrases “if it is determined” or “if (stated condition or event) is detected” may be interpreted as “when it is determined” or “in response to determining” or “when detecting (stated condition or event)” or “in response to detecting (stated condition or event)", depending on the context.
  • step codes such as S1 and S2 are used for the purpose of expressing the corresponding content more clearly and concisely, and do not constitute a substantial limitation on the order.
  • S2 first and then S1, etc., but these should all be within the scope of protection of this application.
  • module means, “component” or “unit” used to represent elements are only used to facilitate the description of the present application, and have no specific meanings. Therefore, “module”, “component” or “unit” can be used in a mixed manner.
  • the communication device in this application can be a terminal device (such as a mobile phone) or a network device (such as a base station).
  • a terminal device such as a mobile phone
  • a network device such as a base station
  • the terminal device may be implemented in various forms.
  • the terminal device described in this application may include intelligent terminal devices such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminal devices such as digital TVs and desktop computers.
  • intelligent terminal devices such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc.
  • PDAs portable media players
  • navigation devices wearable devices
  • smart bracelets smart bracelets
  • pedometers etc.
  • fixed terminal devices such as digital TVs and desktop computers.
  • FIG. 1 is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application.
  • the mobile terminal 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an A/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111.
  • RF Radio Frequency
  • the radio frequency unit 101 can be used for receiving and sending signals during information transmission or communication. Specifically, after receiving the downlink information of the base station, it is sent to the processor 110 for processing; in addition, the uplink data is sent to the base station.
  • the radio frequency unit 101 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc. And/or, the radio frequency unit 101 can also communicate with the network and other devices through wireless communication.
  • the above-mentioned wireless communications may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution), 5G and 6G, etc.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA2000 Code Division Multiple Access 2000
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division Synchronous Code Division Multiple Access
  • FDD-LTE Frequency Division Duplexing-Long Term Evolution
  • TDD-LTE Time Division Duplexing-Long Term Evolution
  • 5G and 6G etc.
  • WiFi is a short-range wireless transmission technology.
  • the mobile terminal can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 102, which provides users with wireless broadband Internet access.
  • FIG1 shows the WiFi module 102, it is understandable that it is not a necessary component of the mobile terminal and can be omitted as needed without changing the essence of the invention.
  • the audio output unit 103 can convert the audio data received by the RF unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output it as sound when the mobile terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, etc. Moreover, the audio output unit 103 can also provide audio output related to a specific function performed by the mobile terminal 100 (for example, a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.
  • the A/V input unit 104 is used to receive audio or video signals.
  • the A/V input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042.
  • the graphics processor 1041 is used to receive audio or video signals in the video capture mode or the image capture mode.
  • the image data of a static picture or video obtained by an image capture device (such as a camera) is processed.
  • the processed image frame can be displayed on the display unit 106.
  • the image frame processed by the graphics processor 1041 can be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the WiFi module 102.
  • the microphone 1042 can receive sound (audio data) via the microphone 1042 in operating modes such as a phone call mode, a recording mode, and a voice recognition mode, and can process such sound into audio data.
  • the processed audio (voice) data can be converted into a format output that can be sent to a mobile communication base station via the radio frequency unit 101 in the case of a phone call mode.
  • the microphone 1042 can implement various types of noise elimination (or suppression) algorithms to eliminate (or suppress) noise or interference generated in the process of receiving and sending audio signals.
  • the mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light
  • the proximity sensor can turn off the display panel 1061 and/or the backlight when the mobile terminal 100 is moved to the ear.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (generally three axes), and can detect the magnitude and direction of gravity when stationary.
  • sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc.
  • the display unit 106 is used to display information input by the user or information provided to the user.
  • the display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 107 can be used to receive input digital or character information, and generate key signal input related to user settings and function control of the mobile terminal.
  • the user input unit 107 may include a touch panel 1071 and other input devices 1072.
  • the touch panel 1071 also known as a touch screen, can collect user touch operations on or near it (such as operations performed by users using fingers, styluses, or any other suitable objects or accessories on or near the touch panel 1071), and drive the corresponding connection device according to a pre-set program.
  • the touch panel 1071 may include a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact point coordinates, and then sends it to the processor 110, and can receive and execute commands sent by the processor 110.
  • the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 107 may also include other input devices 1072.
  • the other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, a function key (such as a volume control key, a switch key, etc.), a trackball, a mouse, a joystick, etc., which are not specifically limited here.
  • a function key such as a volume control key, a switch key, etc.
  • a trackball such as a mouse, a joystick, etc.
  • the touch panel 1071 may cover the display panel 1061.
  • the touch panel 1071 detects a touch operation on or near it, it is transmitted to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event.
  • the touch panel 1071 and the display panel 1061 are used as two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated to implement the input and output functions of the mobile terminal, which is not limited to the specifics herein.
  • the interface unit 108 serves as an interface through which at least one external device can be connected to the mobile terminal 100.
  • the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input/output (I/O) port, a video I/O port, a headphone port, etc.
  • the interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and an external device.
  • the memory 109 can be used to store software programs and various data.
  • the memory 109 can mainly include a program storage area and a data storage area.
  • the program storage area can store an operating system, an application required for at least one function (such as a sound playback function, an image playback function, etc.), etc.
  • the data storage area can store data created according to the use of the mobile phone (such as audio data, a phone book, etc.), etc.
  • the memory 109 can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 110 is the control center of the mobile terminal. It uses various interfaces and lines to connect various parts of the entire mobile terminal. It executes various functions of the mobile terminal and processes data by running or executing software programs and/or modules stored in the memory 109, and calling data stored in the memory 109, so as to monitor the mobile terminal as a whole.
  • the processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor.
  • the application processor mainly processes the operating system, user interface, and application programs
  • the modem processor mainly processes wireless communications. It is understandable that the above-mentioned modem processor may not be integrated into the processor 110.
  • the mobile terminal 100 may also include a power supply 111 (such as a battery) for supplying power to various components.
  • a power supply 111 (such as a battery) for supplying power to various components.
  • the power supply 111 may be logically connected to the processor 110 via a power management system, thereby implementing functions such as managing charging, discharging, and power consumption management through the power management system.
  • the mobile terminal 100 may further include a Bluetooth module, etc., which will not be described in detail herein.
  • the communication network system is a NR (New Radio) system of universal mobile communication technology.
  • the NR system includes UE (User Equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, EPC (Evolved Packet Core) 203 and the operator's IP service 204, which are connected in sequence.
  • UE User Equipment
  • E-UTRAN Evolved UMTS Terrestrial Radio Access Network
  • EPC Evolved Packet Core
  • UE201 may be the above-mentioned terminal device 100, which will not be described in detail here.
  • E-UTRAN 202 includes eNodeB 2021 and other eNodeBs 2022 , etc.
  • eNodeB 2021 may be connected to other eNodeBs 2022 via a backhaul (eg, an X2 interface), and eNodeB 2021 is connected to EPC 203 , and eNodeB 2021 may provide UE 201 with access to EPC 203 .
  • a backhaul eg, an X2 interface
  • EPC203 may include MME (Mobility Management Entity) 2031, HSS (Home Subscriber Server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, PGW (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function) 2036.
  • MME 2031 is a control node that processes signaling between UE 201 and EPC 203, providing bearer and connection management.
  • HSS 2032 is used to provide some registers to manage functions such as home location register (not shown in the figure), and save some user-specific information such as service features and data rates. All user data can be sent through SGW2034.
  • PGW2035 can provide IP address allocation and other functions for UE 201.
  • PCRF2036 is the policy and charging control policy decision point for service data flow and IP bearer resources. It selects and provides available policy and charging control decisions for the policy and charging execution functional unit (not shown in the figure).
  • IP service 204 may include the Internet, intranet, IMS (IP Multimedia Subsystem) or other IP services.
  • IMS IP Multimedia Subsystem
  • Fig. 3 is a schematic diagram of the hardware structure of a controller 140 provided in the present application.
  • the controller 140 includes: a memory 1401 and a processor 1402, the memory 1401 is used to store program instructions, and the processor 1402 is used to call the program instructions in the memory 1401 to execute the steps performed by the controller in the first embodiment of the above method, and its implementation principle and beneficial effects are similar, which will not be repeated here.
  • the controller further includes a communication interface 1403, which can be connected to the processor 1402 via a bus 1404.
  • the processor 1402 can control the communication interface 1403 to implement the receiving and sending functions of the controller 140.
  • Fig. 4 is a schematic diagram of the hardware structure of a network device 150 provided by the present application.
  • the network device 150 includes: a memory 1501 and a processor 1502, the memory 1501 is used to store program instructions, and the processor 1502 is used to call the program instructions in the memory 1501 to execute the steps performed by the first node in the first embodiment of the above method, and its implementation principle and beneficial effects are similar, which will not be repeated here.
  • the controller further includes a communication interface 1503, which can be connected to the processor 1502 via a bus 1504.
  • the processor 1502 can control the communication interface 1503 to implement the receiving and sending functions of the network device 150.
  • the above-mentioned integrated module implemented in the form of a software function module can be stored in a computer-readable storage medium.
  • the above-mentioned software function module is stored in a storage medium, including a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor (English: processor) to perform some steps of the methods of various embodiments of the present application.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a storage medium, or transmitted from one storage medium to another storage medium.
  • the computer instructions can be transmitted from one website site, computer, server or data center to another website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.).
  • the storage medium can be any available medium that can be accessed by the computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid state drive solid state disk, SSD), etc.
  • feeder link feeder link
  • S&F mode Store&Forward mode, store and forward mode
  • RRC Radio Resource Control, radio resource control
  • ISL Inter-Satellite Link, connection between satellites
  • CIoT Cellular Internet of Things
  • EPS Evolved Packet System, evolved packet system
  • UP CIoT EPS optimisations User plane CIoT EPS optimisation, user plane CIoT EPS optimisation;
  • RRC IDLE state Radio Resource Control IDLE state, radio resource control idle state
  • SRB Signalling Radio Bearer, signaling radio bearer
  • DRB Data Radio Bearer, data radio bearer
  • AS security Access Stratum security, access layer security
  • resume id list resume identifier list.
  • the embodiments of the present application take into account that when network equipment (such as base stations, satellites, etc.) operates in store-and-forward mode, there may be no ISL (connection between satellites). Due to the high-speed movement of satellites, in UP mode (user-plane cellular Internet of Things Evolved Packet System Optimization mode), when the terminal device sends an RRC connection recovery request (RRCConnectionResumeRequest), the receiving satellite may not have the terminal device context, and may not be able to obtain the terminal device context from the neighboring cell, causing the terminal device RRC connection recovery to fail. At this time, the terminal device falls back to the RRC connection establishment process, causing the UP mode to be unusable.
  • UP mode user-plane cellular Internet of Things Evolved Packet System Optimization mode
  • the embodiment of the present application mainly proposes a signaling process for the satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the signaling process involved in the embodiment of the present application includes:
  • the network device broadcasts a system message, which carries the store-and-forward mode indication information
  • the terminal device sends an access request, which carries at least one of the following: service mode information, location information, a request to configure a network device list, a network device list, and a request to retain a terminal device context;
  • the network device receives the access request and sends an RRC release message, which carries information such as the eNB (satellite) monitoring list (because there is no feeder link/S1 connection between the network device and the ground, the network stores the received uplink data or signaling and decides to suspend the RRC connection);
  • RRC release message which carries information such as the eNB (satellite) monitoring list (because there is no feeder link/S1 connection between the network device and the ground, the network stores the received uplink data or signaling and decides to suspend the RRC connection);
  • the terminal device receives the RRC release message and saves the terminal device context
  • the network device After the network device and the ground station restore the feeder link/S1 connection, the network device sends at least one of the stored uplink data or signaling, the recovery identifier list, the terminal device context information, the terminal device location information, the effective time, the valid time, the eNB list and the terminal device context identifier to the core network device, such as providing the terminal device context information and the monitoring list or the terminal device context transfer object for the core network to confirm the terminal device context synchronization object;
  • the core network device synchronizes the terminal device context information to the corresponding network device (base station, satellite, etc.);
  • the terminal device monitors paging in the network device identification list or the recovery identification list or the corresponding network device storing the terminal device context;
  • the terminal device When the terminal device monitors paging or uplink data is sent, the terminal device initiates an RRC connection recovery request, which carries at least one of the corresponding recovery identifier, network device identifier and terminal device context identifier;
  • the corresponding network device (such as eNB2) receives the RRC connection recovery request
  • the terminal device receives the RRC connection recovery message.
  • FIG. 6 is a schematic flow chart of a processing method according to a first embodiment of the present application.
  • the processing method according to the embodiment of the present application can be applied to a terminal device (such as a mobile phone), and includes the following steps:
  • the terminal device sends a first message so that the network device performs a first process based on the first message.
  • the technical solution of the embodiment of the present application is applied to the scenario of store-and-forward mode.
  • store-and-forward mode there is no feeder link/S1 connection between the network device and the ground.
  • the network device such as a satellite
  • ISL inter-satellite connection
  • the technical solution of the embodiment of the present application proposes a signaling process for the satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the terminal device sends a first message so that the network device performs a first process based on the first message.
  • the network device may be a base station, a satellite, a cell, etc.
  • the network device operates in a store-and-forward mode.
  • the store-and-forward mode is indicated by the network device to the terminal device.
  • the network device broadcasts a system message, where the system message carries a store-and-forward mode indication.
  • the first message sent by the terminal device may be an access request.
  • the first message includes: at least one of: business mode information of the terminal device, location information of the terminal device, a request to configure a network device list, a network device list, and a request to retain a terminal device context.
  • the service mode information of the terminal device includes at least one of a service cycle, a service volume size and a delay requirement.
  • the location information of the terminal device includes at least one of the current location information of the terminal device, the predicted location information of the terminal device, and the track information of the terminal device.
  • the location information may be TAC information or GNSS location information.
  • the network device list carries information of network devices used by the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the network device list is obtained by the terminal device according to at least one of the service mode information, location information, satellite auxiliary information and historical access network device information of the terminal device.
  • the network device receives a first message sent by the terminal device, and performs a first process based on the first message.
  • the network device performs a first process based on the first message, including:
  • the network device stores the received uplink data or signaling; and/or the network device sends a second message.
  • the second message includes at least one of a recovery identification list, an effective time, a valid time, a network device identification list, a terminal device context identification, and a confirmation of a request to save the terminal device context.
  • the recovery identification list carries network device information of the terminal device initiating an RRC connection recovery request and/or monitoring paging.
  • the effective time indicates the effective time at which the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the valid time indicates the valid time for the network device to store the terminal device context or allow the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the second message may be an RRC release message.
  • the network device after receiving the access request sent by the terminal device, since there is no feeder link/S1 connection between the network device and the ground, the network device stores the received uplink data or signaling, decides to suspend the RRC connection, and sends an RRC release message, which carries at least one of a recovery identifier list, an effective time, a valid time, a network device identifier list, a terminal device context identifier, and a confirmation of a request to save the terminal device context.
  • the terminal device receives the second message sent by the network device and saves the terminal device context.
  • the network device performs a first process based on the first message, further comprising:
  • the network device After the network device restores the connection with the ground station, the network device sends a third message to the core network device, so that the core network device sends the first information to the corresponding network device.
  • the third message includes at least one of uplink data or signaling stored by the network device, a recovery identification list, terminal device context information, terminal device location information, effective time, valid time, network device identification list and terminal device context identification.
  • the first information sent by the core network device to the corresponding network device includes at least one of terminal device context information, recovery identifier or recovery identifier list, terminal device location information, effective time, valid time, terminal device context identifier, and downlink data or signaling to be sent.
  • At least one of the stored uplink data or signaling, recovery identifier list, terminal device context information, terminal device location information, effective time, valid time, network device identifier list and terminal device context identifier is sent to the core network device, and the core network device then sends the terminal device context information, recovery identifier or recovery identifier list, terminal device location information, effective time, valid time, terminal device context identifier, and at least one of the downlink data or signaling to be sent to the corresponding network device (the current network device or a new network device that provides services to the terminal device), so that the corresponding network device can obtain the terminal device context information.
  • the network device when the network device operates in store-and-forward mode, even if there is no ISL (connection between satellites), in UP mode, when the terminal device sends an RRC connection recovery request, the network device that receives the RRC connection recovery request, because it has obtained the terminal device context, makes the terminal device RRC connection recovery successful, thereby ensuring that the UP mode can be used normally.
  • the terminal device sends a first message so that the network device performs a first process based on the first message, thereby proposing a signaling process for the satellite (base station) storage and forwarding mode, and improving the signaling processing mechanism of the satellite (base station) storage and forwarding mode, thereby ensuring the normal use of the UP mode and/or reducing signaling overhead.
  • a second embodiment of the present application is proposed. This embodiment mainly explains the relevant processing flow after the terminal device receives the RRC release message.
  • the technical solution of the embodiment of the present application proposes a signaling process for the satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the terminal device receives the second message, and the second message is sent by the network device.
  • the second message includes at least one of a recovery identification list, an effective time, a valid time, a network device identification list, a terminal device context identification, and a confirmation of a request to save the terminal device context.
  • the recovery identification list carries network device information of the terminal device initiating an RRC connection recovery request and/or monitoring paging.
  • the effective time indicates the effective time at which the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the valid time indicates the valid time for the network device to store the terminal device context or allow the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the network device After receiving the access request sent by the terminal device, since there is no feeder link/S1 connection between the network device and the ground, the network device stores the received uplink data or signaling, decides to suspend the RRC connection, and sends an RRC release message.
  • the RRC release message carries a recovery identifier list, effective time, valid time, network device identifier list, terminal device context identifier, and confirmation of request to save the terminal device context.
  • the terminal device receives the second message sent by the network device and saves the terminal device context.
  • the method before the terminal device receives the second message, the method further includes:
  • the terminal device sends a first message.
  • the terminal device sends a first message so that the network device performs a first process based on the first message.
  • the network device may be a base station, a satellite, a cell, etc.
  • the network device operates in a store-and-forward mode.
  • the store-and-forward mode is indicated by the network device to the terminal device.
  • the network device broadcasts a system message, where the system message carries store-and-forward mode indication information.
  • the first message sent by the terminal device may be an access request.
  • the first message includes: at least one of: business mode information of the terminal device, location information of the terminal device, a request to configure a network device list, a network device list, and a request to retain a terminal device context.
  • the service mode information of the terminal device includes at least one of a service cycle, a service volume size and a delay requirement.
  • the location information of the terminal device includes at least one of the current location information of the terminal device, the predicted location information of the terminal device, and the track information of the terminal device.
  • the location information may be TAC information or GNSS location information.
  • the network device list carries information of network devices used by the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the network device list is obtained by the terminal device according to at least one of the service mode information, location information, satellite auxiliary information and historical access network device information of the terminal device.
  • the network device receives a first message sent by the terminal device, and performs a first process based on the first message.
  • the network device performs a first process based on the first message, including at least one of the following:
  • the network device stores the received uplink data or signaling
  • the network device sends a second message
  • the network device After the network device restores the connection with the ground station, the network device sends a third message to the core network device, so that the core network device sends the first information to the corresponding network device.
  • the third message includes at least one of uplink data or signaling stored by the network device, a recovery identification list, terminal device context information, terminal device location information, effective time, valid time, network device identification list and terminal device context identification.
  • the first information sent by the core network device to the corresponding network device includes at least one of terminal device context information, recovery identifier or recovery identifier list, terminal device location information, effective time, valid time, terminal device context identifier, and downlink data or signaling to be sent.
  • At least one of the stored uplink data or signaling, recovery identifier list, terminal device context information, terminal device location information, effective time, valid time, network device identifier list and terminal device context identifier is sent to the core network device, and the core network device then sends the terminal device context information, recovery identifier or recovery identifier list, terminal device location information, effective time, valid time, terminal device context identifier, and at least one of the downlink data or signaling to be sent to the corresponding network device (the current network device or a new network device that provides services to the terminal device), so that the corresponding network device can obtain the terminal device context information.
  • the terminal device monitors paging on a corresponding network device.
  • the terminal device monitors paging in a network device identification list or a recovery identification list or a corresponding network device storing the terminal device context.
  • the terminal device when paging is monitored or uplink data is sent, the terminal device initiates an RRC connection recovery request.
  • the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier and a terminal device context identifier.
  • the terminal device receives an RRC connection recovery message.
  • the network device when the network device operates in store-and-forward mode, even if there is no ISL (connection between satellites), in UP mode, when the terminal device sends an RRC connection recovery request, the network device that receives the RRC connection recovery request, because it has obtained the terminal device context, makes the terminal device RRC connection recovery successful, thereby ensuring that the UP mode can be used normally.
  • the terminal device sends a first message to enable the network device to perform a first process based on the first message, thereby proposing a signaling process for the satellite (base station) storage and forwarding mode and improving the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • a third embodiment of the present application is proposed.
  • the technical solution of the embodiment of the present application proposes a signaling process for the satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the terminal device sends a first message so that the network device performs a first process based on the first message.
  • the network device may be a base station, a satellite, a cell, etc.
  • the network device operates in a store-and-forward mode.
  • the store-and-forward mode is indicated by the network device to the terminal device.
  • the network device broadcasts a system message and broadcasts a store-and-forward indication (S&F indication) through the system information to indicate that it is operating in store-and-forward mode. At this time, there is no feeder link/S1 connection between the network device and the ground.
  • S&F indication store-and-forward indication
  • the first message sent by the terminal device may be an access request.
  • the terminal device sends an access request to the network device, and the access request may include at least one of the following:
  • Service model information of the terminal equipment such as service cycle, service volume, latency requirements, etc.
  • the location information of the terminal device such as the current location information of the terminal device, the predicted location information of the terminal device and the track information of the terminal device.
  • the location information may be TAC (Trace Area Code) information or GNSS (Global Navigation Satellite System) and other location information;
  • the request to configure the network device list indicates that the terminal device requests the network device to configure the network device information, such as configuring the eNB (satellite) monitoring list or configuring the monitoring eNB (satellite).
  • the network device information carries network device information for the terminal device to (later) initiate an RRC connection recovery request and/or monitor paging.
  • the network device receives the access request. Since there is no feeder link/S1 connection between the network device and the ground, the network device stores the received uplink data or signaling.
  • the network device determines the network device list according to at least one of the service mode information, location information and satellite ephemeris information of the terminal device.
  • the network device list may contain only one network device.
  • the network device list may include current network devices.
  • the network device decides to suspend the RRC connection.
  • the network device sends an RRC release message to suspend the RRC connection.
  • the RRC release message carries at least one of a recovery identification list, an effective time, and a validity time.
  • the recovery identifier carries network device identifier (such as eNB ID) information and/or terminal device context identifier.
  • the recovery identifier list indicates that the terminal device can initiate an RRC connection recovery request and/or monitor paging through the network device corresponding to the recovery identifier list.
  • the resume id list can contain only one resume id.
  • the network device corresponding to the recovery identifier may be a current network device.
  • the terminal device receives an RRC release message, saves the terminal device context, and enters the RRC IDLE state (RRC idle state).
  • the terminal device monitors paging or initiates an RRC connection recovery request in the network device corresponding to the network device list or the recovery identification list.
  • At least one of the stored uplink data or signaling, recovery identification list, terminal device context information, terminal device location information, effective time, valid time, network device list and terminal device context identification is sent to the core network device.
  • the core network device synchronizes the terminal device context information to a corresponding network device, such as an eNB (satellite);
  • a corresponding network device such as an eNB (satellite);
  • the core network device sends at least one of the terminal device context information, recovery identifier or recovery identifier list, terminal device location information, terminal device context identifier, effective time and valid time (when a feeder link/S1 connection exists between the corresponding network device and the core network device) to the corresponding network device.
  • the core network device sends the terminal device context information and/or the downlink data or signaling to be sent to the next network device that will provide coverage to the terminal device.
  • the terminal device monitors paging in a network device list or a recovery identification list or a network device corresponding to a terminal device context.
  • the terminal device when the terminal device monitors paging or uplink data is sent, the terminal device initiates an RRC connection recovery request, and the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier, and a terminal device context identifier.
  • the corresponding network device receives the RRC connection recovery request, confirms that the recovery identifier or terminal device context identifier carried in the request exists, and the corresponding network device sends an RRCConnectionResume message (RRC connection recovery message).
  • the terminal device restores all SRBs (signaling radio bearers) and DRBs (data radio bearers) and reestablishes AS security (access layer security).
  • the terminal device feeds back an RRCConnectionResumeComplete message to confirm that the RRC connection has been successfully restored.
  • the terminal device sends a first message to enable the network device to perform a first process based on the first message, thereby proposing a signaling process for the satellite (base station) storage and forwarding mode and improving the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • a fourth embodiment of the present application is proposed.
  • the technical solution of the embodiment of the present application proposes a signaling process for the satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the terminal device sends a first message so that the network device performs a first process based on the first message.
  • the network device may be a base station, a satellite, a cell, etc.
  • the network device operates in a store-and-forward mode.
  • the store-and-forward mode is indicated by the network device to the terminal device.
  • the network device broadcasts a system message and broadcasts a store-and-forward indication (S&F indication) through the system information to indicate that it is operating in store-and-forward mode. At this time, there is no feeder link/S1 connection between the network device and the ground.
  • S&F indication store-and-forward indication
  • the first message sent by the terminal device may be an access request.
  • the terminal device sends an access request to the network device, and the access request may include: a request to configure a network device list and at least one item in the network device list.
  • the network device sends an RRC release message to suspend the RRC connection.
  • the network device identification list may include only one network device.
  • the network device identification list may include the current network device.
  • the terminal device receives an RRC release message, saves the terminal device context, and enters the RRC IDLE state (RRC idle state).
  • the terminal device monitors paging or initiates an RRC connection recovery request on the network device corresponding to the network device list.
  • At least one of the stored uplink data or signaling, terminal device context information, terminal device location information, effective time, valid time, network device list and terminal device context identifier is sent to the core network device.
  • the core network device synchronizes the terminal device context information to the corresponding network device, such as eNB (satellite).
  • eNB short-term evolution
  • the core network device sends at least one of the terminal device context information, the terminal device location information, the effective time, the valid time and the terminal device context identifier (when a feeder link/S1 connection exists between the corresponding network device and the core network device) to the corresponding network device.
  • the core network device sends the terminal device context information and/or the downlink data or signaling to be sent to the next network device that will provide coverage to the terminal device.
  • the terminal device monitors paging in a network device list or a corresponding network device storing the terminal device context.
  • the terminal device when the terminal device monitors paging or uplink data is sent, the terminal device initiates an RRC connection recovery request, and the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier, and a terminal device context identifier.
  • the corresponding network device receives the RRC connection recovery request, confirms that the recovery identifier or terminal device context identifier carried in the request exists, and the corresponding network device sends an RRCConnectionResume message (RRC connection recovery message).
  • the terminal device restores all SRBs (signaling radio bearers) and DRBs (data radio bearers) and reestablishes AS security (access layer security).
  • the terminal device feeds back an RRCConnectionResumeComplete message to confirm that the RRC connection has been successfully restored.
  • the terminal device sends a first message to enable the network device to perform a first process based on the first message, thereby proposing a signaling process for the satellite (base station) storage and forwarding mode and improving the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the fifth embodiment of the present application is proposed.
  • the technical solution of the embodiment of the present application proposes a signaling process for the satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the terminal device sends a first message so that the network device performs a first process based on the first message.
  • the network device may be a base station, a satellite, a cell, etc.
  • the network device operates in a store-and-forward mode.
  • the store-and-forward mode is indicated by the network device to the terminal device.
  • the network device broadcasts a system message and broadcasts a store-and-forward indication (S&F indication) message through the system information to indicate that it is operating in a store-and-forward mode. At this time, there is no feeder link/S1 connection between the network device and the ground.
  • S&F indication store-and-forward indication
  • the first message sent by the terminal device may be an access request.
  • the terminal device sends an access request to the network device, and the access request may include: a request to save a terminal device context and/or a network device list.
  • saving the terminal device context request indicates that the terminal device (may or may subsequently) initiates an RRC connection recovery request or monitors paging in the current network device.
  • the network device list represents a network device list storing terminal device contexts.
  • the network device receives the access request. Since there is no feeder link/S1 connection between the network device and the ground, the network device stores the received uplink data or signaling.
  • the network device decides to suspend the RRC connection.
  • the network device confirms the request to save the terminal device context.
  • the network device sends an RRC release message to suspend the RRC connection.
  • the release message carries at least one of the effective time, the valid time, the confirmation of the request to save the terminal device context, the network device list and the terminal device context identifier.
  • the effective time indicates that the terminal device can be connected to the network device corresponding to the current network device and/or the network device list (such as The effective time when the eNB initiates an RRC connection recovery request or monitors paging.
  • the validity time indicates the validity time during which the network device stores the terminal device context.
  • the stored terminal device context is no longer valid after the validity period expires.
  • the terminal device cannot initiate an RRC connection recovery request through the network device or the network device (such as eNB) corresponding to the network device list.
  • the network device list represents a list of network devices to which the terminal device (may or may subsequently) initiates an RRC connection recovery request or monitors paging.
  • the terminal device receives an RRC release message, saves the terminal device context, and enters the RRC IDLE state (RRC idle state).
  • the terminal device monitors paging or initiates an RRC connection recovery request on the current network device or the network device corresponding to the network device list.
  • At least one of the stored uplink data or signaling, terminal device context information, terminal device location information, effective time, valid time, network device list and terminal device context identifier is sent to the core network device.
  • the core network device synchronizes the terminal device context information to the corresponding network device, such as eNB (satellite).
  • eNB short-term evolution
  • the core network device sends at least one of the terminal device context information and the terminal device context identifier (when a feeder link/S1 connection exists between the corresponding network device and the core network) to the network device corresponding to the historically stored terminal device context or network device list.
  • the core network device sends the terminal device context information and/or the downlink data or signaling to be sent to the next network device that will provide coverage to the terminal device.
  • the terminal device monitors paging in a network device list or a network device corresponding to a terminal device context.
  • the terminal device when the terminal device monitors paging or uplink data is sent, the terminal device initiates an RRC connection recovery request, and the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier, and a terminal device context identifier.
  • the corresponding network device receives the RRC connection recovery request, confirms that the recovery identifier or terminal device context identifier carried in the request exists, and the corresponding network device sends an RRCConnectionResume message (RRC connection recovery message).
  • the terminal device restores all SRBs (signaling radio bearers) and DRBs (data radio bearers) and reestablishes AS security (access layer security).
  • the terminal device feeds back an RRCConnectionResumeComplete message to confirm that the RRC connection has been successfully restored.
  • the terminal device sends a first message to enable the network device to perform a first process based on the first message, thereby proposing a signaling process for the satellite (base station) storage and forwarding mode and improving the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • FIG. 7 is a flow chart of a processing method according to a sixth embodiment of the present application.
  • the processing method according to the embodiment of the present application can be applied to a network device (such as a base station), and includes the following steps:
  • the network device performs a first process based on a first message sent by the terminal device.
  • the technical solution of the embodiment of the present application is applied to the scenario of the store-and-forward mode.
  • the store-and-forward mode there is no feeder link/S1 connection between the network device and the ground.
  • the network device such as a satellite
  • ISL inter-satellite connection
  • the technical solution of the embodiment of the present application proposes a signaling process for the satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the terminal device sends a first message so that the network device performs a first process based on the first message.
  • the network device may be a base station, a satellite, a cell, etc.
  • the network device operates in a store-and-forward mode.
  • the store-and-forward mode is indicated by the network device to the terminal device.
  • the network device broadcasts a system message, where the system message carries store-and-forward mode indication information.
  • the first message sent by the terminal device may be an access request.
  • the first message includes: at least one of: business mode information of the terminal device, location information of the terminal device, a request to configure a network device list, a network device list, and a request to retain a terminal device context.
  • the service mode information of the terminal device includes at least one of a service cycle, a service volume size and a delay requirement.
  • the location information of the terminal device includes the current location information of the terminal device, the predicted location information of the terminal device, and the location information of the terminal device. At least one item of trajectory information of the device.
  • the location information may be TAC information or GNSS location information.
  • the network device list carries information of network devices used by the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the network device list is obtained by the terminal device according to at least one of the service mode information, location information, satellite auxiliary information and historical access network device information of the terminal device.
  • the network device receives a first message sent by the terminal device, and performs a first process based on the first message.
  • the network device performs a first process based on the first message, including at least one of the following:
  • a third message is sent to the core network device so that the core network device sends the first information to the corresponding network device.
  • the second message includes at least one of a recovery identification list, an effective time, a valid time, a network device identification list, a terminal device context identification, and a confirmation of a request to save the terminal device context.
  • the recovery identification list carries network device information of the terminal device initiating an RRC connection recovery request and/or monitoring paging.
  • the effective time indicates the effective time at which the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the valid time indicates the valid time for the network device to store the terminal device context or allow the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the second message may be an RRC release message.
  • the network device after receiving the access request sent by the terminal device, since there is no feeder link/S1 connection between the network device and the ground, the network device stores the received uplink data or signaling, decides to suspend the RRC connection, and sends an RRC release message, which carries at least one of a recovery identifier list, an effective time, a valid time, a network device identifier list, a terminal device context identifier, and a confirmation of a request to save the terminal device context.
  • the terminal device receives the second message sent by the network device and saves the terminal device context.
  • the network device After the network device restores the connection with the ground station, the network device sends a third message to the core network device, so that the core network device sends the first information to the corresponding network device.
  • the third message includes at least one of uplink data or signaling stored by the network device, a recovery identification list, terminal device context information, terminal device location information, effective time, valid time, network device identification list and terminal device context identification.
  • the first information sent by the core network device to the corresponding network device includes at least one of terminal device context information, recovery identifier or recovery identifier list, terminal device location information, effective time, valid time, terminal device context identifier, and downlink data or signaling to be sent.
  • At least one of the stored uplink data or signaling, recovery identifier list, terminal device context information, terminal device location information, effective time, valid time, network device identifier list and terminal device context identifier is sent to the core network device, and the core network device then sends the terminal device context information, recovery identifier or recovery identifier list, terminal device location information, effective time, valid time, terminal device context identifier, and at least one of the downlink data or signaling to be sent to the corresponding network device (the current network device or a new network device that provides services to the terminal device), so that the corresponding network device can obtain the terminal device context information.
  • the terminal device monitors paging on a corresponding network device.
  • the terminal device monitors paging in a network device identification list or a recovery identification list or a corresponding network device storing the terminal device context.
  • the terminal device when paging is monitored or uplink data is sent, the terminal device initiates an RRC connection recovery request.
  • the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier and a terminal device context identifier.
  • the corresponding network device receives an RRC connection recovery request.
  • the terminal device receives an RRC connection recovery message.
  • the network device when the network device operates in store-and-forward mode, even if there is no ISL (connection between satellites), in UP mode, when the terminal device sends an RRC connection recovery request, the network device that receives the RRC connection recovery request, because it has obtained the terminal device context, makes the terminal device RRC connection recovery successful, thereby ensuring that the UP mode can be used normally.
  • the network device performs the first processing based on the first message, and the first message is sent by the terminal device, thereby proposing a signaling process for the satellite (base station) storage and forwarding mode, and improving the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the seventh embodiment of the present application proposes a processing method, comprising the steps of:
  • the terminal device sends a first message so that the network device performs a first process based on the first message;
  • S2 The network device performs a first process based on the first message.
  • the technical solution of the embodiment of the present application is applied to the scenario of the store-and-forward mode.
  • the store-and-forward mode there is no feeder link/S1 connection between the network device and the ground.
  • the network device such as a satellite
  • ISL inter-satellite connection
  • the technical solution of the embodiment of the present application proposes a signaling process for the satellite (base station) storage and forwarding mode to improve the signaling processing mechanism of the satellite (base station) storage and forwarding mode.
  • the terminal device sends a first message so that the network device performs a first process based on the first message.
  • the network device operates in a store-and-forward mode.
  • the store-and-forward mode is indicated by the network device to the terminal device.
  • the network device broadcasts a system message, where the system message carries store-and-forward mode indication information.
  • the first message sent by the terminal device may be an access request.
  • the first message includes: at least one of: business mode information of the terminal device, location information of the terminal device, a request to configure a network device list, a network device list, and a request to retain a terminal device context.
  • the service mode information of the terminal device includes at least one of a service cycle, a service volume size and a delay requirement.
  • the location information of the terminal device includes at least one of the current location information of the terminal device, the predicted location information of the terminal device, and the track information of the terminal device.
  • the location information may be TAC information or GNSS location information.
  • the network device list carries information of network devices used by the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the network device list is obtained by the terminal device according to at least one of the service mode information, location information, satellite auxiliary information and historical access network device information of the terminal device.
  • the network device receives a first message sent by the terminal device, and performs a first process based on the first message.
  • the network device performs a first process based on the first message, including at least one of the following:
  • a third message is sent to the core network device so that the core network device sends the first information to the corresponding network device.
  • the second message includes at least one of a recovery identification list, an effective time, a valid time, a network device identification list, a terminal device context identification, and a confirmation of a request to save the terminal device context.
  • the recovery identification list carries network device information of the terminal device initiating an RRC connection recovery request and/or monitoring paging.
  • the effective time indicates the effective time at which the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the valid time indicates the valid time for the network device to store the terminal device context or allow the terminal device to initiate an RRC connection recovery request and/or monitor paging.
  • the second message may be an RRC release message.
  • the network device after receiving the access request sent by the terminal device, since there is no feeder link/S1 connection between the network device and the ground, the network device stores the received uplink data or signaling, decides to suspend the RRC connection, and sends an RRC release message, which carries at least one of a recovery identifier list, an effective time, a valid time, a network device identifier list, a terminal device context identifier, and a confirmation of a request to save the terminal device context.
  • the terminal device receives the second message sent by the network device and saves the terminal device context.
  • the network device After the network device restores the connection with the ground station, the network device sends a third message to the core network device, so that the core network device sends the first information to the corresponding network device.
  • the third message includes at least one of uplink data or signaling stored by the network device, a recovery identification list, terminal device context information, terminal device location information, effective time, valid time, network device identification list and terminal device context identification.
  • the first information sent by the core network device to the corresponding network device includes terminal device context information, a recovery identifier or a recovery identifier list, location information of the terminal device, an effective time, a valid time, a terminal device context identifier, downlink data to be sent, or At least one of the signaling.
  • At least one of the stored uplink data or signaling, recovery identifier list, terminal device context information, terminal device location information, effective time, valid time, network device identifier list and terminal device context identifier is sent to the core network device, and the core network device then sends the terminal device context information, recovery identifier or recovery identifier list, terminal device location information, effective time, valid time, terminal device context identifier, and at least one of the downlink data or signaling to be sent to the corresponding network device (the current network device or a new network device that provides services to the terminal device), so that the corresponding network device can obtain the terminal device context information.
  • the terminal device when paging is monitored or uplink data is sent, the terminal device initiates an RRC connection recovery request.
  • the terminal device receives an RRC connection recovery message.
  • the network device when the network device operates in store-and-forward mode, even if there is no ISL (connection between satellites), in UP mode, when the terminal device sends an RRC connection recovery request, the network device that receives the RRC connection recovery request, because it has obtained the terminal device context, makes the terminal device RRC connection recovery successful, thereby ensuring that the UP mode can be used normally.
  • the terminal device sends a first message to enable the network device to perform a first process based on the first message, thereby proposing a signaling process for the satellite (base station) storage and forwarding mode to ensure that the UP mode can be used normally.
  • the sending module 1601 is used to send a first message so that the network device performs a first process based on the first message.
  • the device further comprises at least one of the following:
  • the service mode information of the terminal device includes at least one of a service cycle, a service volume, and a delay requirement;
  • the location information of the terminal device includes at least one of the current location information of the terminal device, the predicted location information of the terminal device, and the track information of the terminal device;
  • the network device list carries the network device information for the terminal device to initiate an RRC connection recovery request and/or monitor paging
  • the network device list is obtained by the terminal device according to at least one of the service mode information, the location information, the satellite auxiliary information and the historical access network device information of the terminal device.
  • the network device performs a first process based on the first message, including at least one of the following:
  • the network device stores the received uplink data or signaling
  • the network device sends a second message
  • the network device After the network device restores the connection with the ground station, the network device sends a third message to the core network device, so that the core network device sends the first information to the corresponding network device.
  • the device further comprises at least one of the following:
  • the second message includes at least one of a restoration identification list, an effective time, a valid time, a network device identification list, a terminal device context identification, and a confirmation of a request to save the terminal device context;
  • the third message includes at least one of the uplink data or signaling stored by the network device, the recovery identifier list, the terminal device context information, the location information of the terminal device, the effective time, the valid time, the network device identifier list and the terminal device context identifier;
  • the first information includes at least one of the terminal device context information, a recovery identification list, the location information of the terminal device, the effective time, the valid time, the terminal device context identification, and the downlink data or signaling to be sent.
  • the device further comprises at least one of the following:
  • the device further comprises at least one of the following:
  • the recovery identification list carries the network device information for the terminal device to initiate the RRC connection recovery request and/or monitor the paging;
  • the effective time indicates the effective time when the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging;
  • the validity time indicates the validity time during which the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging;
  • the network device is at least one of a base station, a cell and a satellite;
  • the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier and a terminal device context identifier.
  • the processing device provided in the embodiment of the present application has similar implementation principles and beneficial effects to the technical solutions shown in the above-mentioned corresponding method embodiments, and will not be described in detail here.
  • Figure 10 is a second structural diagram of a processing device provided in an embodiment of the present application.
  • the device can be mounted on or is the network device in the above method embodiment.
  • the device 170 includes:
  • the processing module 1701 is used to perform a first process based on the first message.
  • the first message includes at least one of the following:
  • the device further comprises at least one of the following:
  • the service mode information of the terminal device includes at least one of a service cycle, a service volume, and a delay requirement;
  • the location information of the terminal device includes at least one of the current location information of the terminal device, the predicted location information of the terminal device, and the track information of the terminal device;
  • the network device list carries the network device information for the terminal device to initiate an RRC connection recovery request and/or monitor paging
  • the network device list is obtained by the terminal device according to at least one of the service mode information, the location information, the satellite auxiliary information and the historical access network device information of the terminal device.
  • performing a first process includes at least one of the following:
  • the device further comprises at least one of the following:
  • the second message includes at least one of a restoration identification list, an effective time, a valid time, a network device identification list, a terminal device context identification, and a confirmation of a request to save the terminal device context;
  • the third message includes at least one of the uplink data or signaling stored by the network device, the recovery identifier list, the terminal device context information, the location information of the terminal device, the effective time, the valid time, the network device identifier list and the terminal device context identifier;
  • the first information includes at least one of the terminal device context information, a recovery identifier list, the location information of the terminal device, the effective time, the valid time, the terminal device context identifier, and the downlink data or signaling to be sent;
  • system message Broadcasting a system message, wherein the system message carries store-and-forward mode indication information
  • the device further comprises at least one of the following:
  • the recovery identification list carries the network device information for the terminal device to initiate the RRC connection recovery request and/or monitor the paging;
  • the effective time indicates the effective time when the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or monitor paging;
  • the valid time indicates that the network device stores the terminal device context or allows the terminal device to initiate an RRC connection recovery request and/or listen for the connection recovery request.
  • the effective time of the call is
  • the network device is at least one of a base station, a cell and a satellite;
  • the RRC connection recovery request carries at least one of a corresponding recovery identifier, a network device identifier and a terminal device context identifier.
  • the processing device provided in the embodiment of the present application has similar implementation principles and beneficial effects to the technical solutions shown in the above-mentioned corresponding method embodiments, and will not be described in detail here.
  • the communication device 180 described in this embodiment can be a terminal device (or a component that can be used for a terminal device) or a network device (or a component that can be used for a network device) mentioned in the aforementioned method embodiment.
  • the communication device 180 can be used to implement the method corresponding to the terminal device or the network device described in the aforementioned method embodiment, and specifically refer to the description in the aforementioned method embodiment.
  • the communication device 180 may include one or more processors 1801, which may also be referred to as a processing unit, and may implement certain control or processing functions.
  • the processor 1801 may be a general-purpose processor or a dedicated processor, etc. For example, it may be a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and communication data
  • the central processing unit may be used to control the communication device, execute the software program, and process the data of the software program.
  • the processor 1801 may also store instructions 1803 or data (eg, intermediate data).
  • the instructions 1803 may be executed by the processor 1801, so that the communication device 180 executes the method corresponding to the terminal device or network device described in the above method embodiment.
  • the communication device 180 may include a circuit that can implement the functions of sending or receiving or communicating in the aforementioned method embodiments.
  • the communication device 180 may include one or more memories 1802 , on which instructions 1804 may be stored. The instructions may be executed on the processor 1801 , so that the communication device 180 executes the method described in the above method embodiment.
  • data may also be stored in the memory 1802.
  • the processor 1801 and the memory 1802 may be provided separately or integrated together.
  • the communication device 180 may further include a transceiver 1805 and/or an antenna 1806.
  • the processor 1801 may be referred to as a processing unit, and controls the communication device 180 (terminal device or core network device or wireless access network device).
  • the transceiver 1805 may be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc., and is used to implement the transceiver function of the communication device 180.
  • the first message can be sent by the transceiver 1805.
  • the specific implementation process of the processor 1801 and the transceiver 1805 can refer to the relevant description of the above embodiments, which will not be repeated here.
  • the first message may be received by the transceiver 1805 .
  • the specific implementation process of the processor 1801 and the transceiver 1805 can refer to the relevant description of the above embodiments, which will not be repeated here.
  • the processor 1801 and the transceiver 1805 described in the present application can be implemented in an IC (Integrated Circuit), an analog integrated circuit, an RFIC (Radio Frequency Integrated Circuit), a mixed signal integrated circuit, an ASIC (Application Specific Integrated Circuit), a PCB (Printed Circuit Board), an electronic device, etc.
  • IC Integrated Circuit
  • RFIC Radio Frequency Integrated Circuit
  • ASIC Application Specific Integrated Circuit
  • PCB Print Circuit Board
  • the processor 1801 and the transceiver 1805 can also be manufactured using various integrated circuit process technologies, such as CMOS (Complementary Metal Oxide Semiconductor), NMOS (N Metal-Oxide-Semiconductor), PMOS (Positive channel Metal Oxide Semiconductor), BJT (Bipolar Junction Transistor), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS Complementary Metal Oxide Semiconductor
  • NMOS N Metal-Oxide-Semiconductor
  • PMOS Positive channel Metal Oxide Semiconductor
  • BJT Bipolar Junction Transistor
  • BiCMOS Bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the communication device may be a terminal device (such as a mobile phone) or a network device (such as a base station), which needs to be determined according to the context.
  • the terminal device may be implemented in various forms.
  • the terminal device described in this application may include mobile terminals such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminal devices such as digital TVs and desktop computers.
  • the communication device is described by taking a terminal device or a network device as an example, the scope of the communication device described in the present application is not limited to the above terminal device or network device, and the structure of the communication device may not be limited by Figure 11.
  • the communication device may be an independent device or may be part of a larger device.
  • the present application also provides a communication system, including: a terminal device as in any of the above embodiments; and Network devices in.
  • An embodiment of the present application also provides a communication device, including a memory and a processor, wherein a processing program is stored in the memory, and when the processing program is executed by the processor, the steps of the processing method in any of the above embodiments are implemented.
  • the communication device in this application can be a terminal device (such as a mobile phone) or a network device (such as a base station).
  • a terminal device such as a mobile phone
  • a network device such as a base station
  • An embodiment of the present application further provides a computer-readable storage medium, on which a processing program is stored.
  • a processing program is stored on which a processing program is stored.
  • An embodiment of the present application further provides a computer program product, which includes a computer program code.
  • the computer program code runs on a computer, the computer executes the methods in the above various possible implementation modes.
  • An embodiment of the present application also provides a chip, including a memory and a processor, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a device equipped with the chip executes the methods in various possible implementation modes as described above.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Sont divulgués dans la présente demande un procédé de traitement, un dispositif de communication et un support de stockage. Le procédé comprend l'étape suivante : un dispositif terminal envoie un premier message, de telle sorte qu'un dispositif de réseau exécute un premier traitement sur la base du premier message. Au moyen de la solution technique de la présente demande, un dispositif terminal envoie un premier message, de telle sorte qu'un dispositif de réseau exécute un premier traitement sur la base du premier message, fournissant ainsi un processus de signalisation concernant un mode de stockage et de réexpédition de satellite (station de base), et garantissant qu'un mode UP peut être normalement utilisé.
PCT/CN2024/110143 2024-01-23 2024-08-06 Procédé de traitement, dispositif de communication et support de stockage Pending WO2025050908A2 (fr)

Priority Applications (2)

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PCT/CN2024/110143 WO2025050908A2 (fr) 2024-08-06 2024-08-06 Procédé de traitement, dispositif de communication et support de stockage
PCT/CN2024/127006 WO2025156739A1 (fr) 2024-01-23 2024-10-24 Procédé de traitement, dispositif de communication et support de stockage

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