WO2025010573A1 - Procédé et appareil de communication reposant sur ntn, et dispositif de communication, système de communication et support de stockage - Google Patents
Procédé et appareil de communication reposant sur ntn, et dispositif de communication, système de communication et support de stockage Download PDFInfo
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- WO2025010573A1 WO2025010573A1 PCT/CN2023/106448 CN2023106448W WO2025010573A1 WO 2025010573 A1 WO2025010573 A1 WO 2025010573A1 CN 2023106448 W CN2023106448 W CN 2023106448W WO 2025010573 A1 WO2025010573 A1 WO 2025010573A1
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- terminal
- message
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- store
- function
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
Definitions
- the present disclosure relates to the field of communication technology, and in particular to a communication method and apparatus, communication equipment, communication system and storage medium based on a non-terrestrial network (NTN).
- NTN non-terrestrial network
- satellite communication can be used as a supplement to cellular communication.
- the integration between satellite communication and cellular communication will gradually deepen.
- the UE can access the 5G core network through a satellite access network. This belongs to the NTN type of network.
- the satellite access network supports the store-and-forward mode, it is necessary to authorize whether the terminal's service uses the store-and-forward feature of the access network.
- the authorized terminal In order to adapt to the satellite access network working in the store-and-forward mode, the authorized terminal needs to be able to use the store-and-forward function.
- the embodiments of the present disclosure provide a communication method and apparatus based on NTN, a communication device, a communication system and a storage medium.
- a communication method based on NTN is provided.
- the method is performed by a terminal.
- the method comprises: receiving a first message from a first network function, wherein the first message is used to indicate that the terminal is authorized to use a store-and-forward function, wherein the store-and-forward function is used to transmit data of the terminal in a store-and-forward manner in NTN access.
- a communication method based on NTN is provided.
- the method is performed by a first network function.
- the method comprises: sending a first message to a terminal, wherein the first message is used to indicate that the terminal is authorized to use a store and forward function, wherein the store and forward function is used to transmit data of the terminal in a store and forward manner in NTN access.
- a communication method based on NTN is provided.
- the method is performed by a second network function.
- the method comprises: receiving a second message from a terminal, wherein the second message includes a method for requesting storage and forwarding time information from the second network function; and sending a third message to the terminal, wherein the third message includes storage and forwarding time information.
- a communication method based on NTN includes: sending a first message to a terminal, wherein the first message is used to indicate that the terminal is authorized to use a store-and-forward function, wherein the store-and-forward function is used to transmit data of the terminal in a store-and-forward manner in NTN access.
- a communication device based on NTN is provided.
- the device is arranged in a terminal.
- the device includes a receiving module.
- the receiving module is configured to receive a first message from a first network function.
- the first message is used to indicate that the terminal is authorized to use a store and forward function.
- the store and forward function is used to transmit data of the terminal in a store and forward manner in NTN access.
- a communication device based on NTN is provided.
- the device is set in a first network function.
- the above-mentioned device includes a sending module.
- the sending module is configured to send a first message to a terminal.
- the first message is used to indicate that the terminal is authorized to use a store and forward function.
- the store and forward function is used to transmit data of the terminal in a store and forward manner in NTN access.
- a communication device based on NTN is provided.
- the device is executed by a second network function.
- the above-mentioned device includes a receiving module and a sending module.
- the receiving module is configured to receive a second message from a terminal.
- the second message includes a request for storage and forwarding time information to the second network function.
- the sending module is configured to send a third message to the terminal.
- the third message includes storage and forwarding time information.
- a communication device includes at least one processor.
- the processor is used to call instructions to execute the communication method described in the first aspect, the second aspect, the third aspect, or the fourth aspect.
- a communication system includes a first network function and a third network function.
- the third network function is configured to: send the contract information of the terminal to the first network function.
- the first network function is configured to: receive the contract information from the third network function; and determine, based on the contract information and/or the operator policy, to authorize the terminal to use the storage and forwarding function.
- a communication system includes a terminal, an access network device, and a core network device.
- the terminal is configured to implement the communication method as described in the first aspect.
- the core network device is configured to implement the communication method as described in the second aspect, the third aspect, and the fourth aspect.
- a computer program or a computer program product includes code.
- the instructions are executed by a processor, the instructions are executed as described in the first aspect, the second aspect, the third aspect or the fourth aspect.
- the network side can authorize the terminal to use the store-and-forward function, thereby realizing service communication between the terminal side and the network side when the feeder link cannot provide continuous connection in the NTN scenario.
- FIG1 is a schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure.
- FIG. 2 is a schematic diagram of a communication scenario provided according to an embodiment of the present disclosure.
- FIG3 is a schematic diagram of a storage and forwarding working scenario provided according to an embodiment of the present disclosure.
- FIG. 4A is an exemplary interaction diagram of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG4B is an exemplary interaction diagram of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 4C is an exemplary interaction diagram of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG5A is an exemplary flow chart of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG5B is an exemplary flow chart of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG6A is an exemplary flow chart of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG6B is an exemplary flow chart of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 7A is an exemplary flow chart of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 7B is an exemplary flow chart of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG8 is an exemplary flow chart of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 9 is an exemplary flow chart of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 10 is an exemplary interaction diagram of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 11A is an exemplary interaction diagram of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 11B is an exemplary interaction diagram of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 12A is an exemplary interaction diagram of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 12B is an exemplary interaction diagram of an NTN-based communication method provided according to an embodiment of the present disclosure.
- FIG. 13 is an exemplary structural diagram of an NTN-based communication device provided according to an embodiment of the present disclosure.
- FIG. 14 is an exemplary structural diagram of an NTN-based communication device provided according to an embodiment of the present disclosure.
- FIG. 15 is an exemplary structural diagram of an NTN-based communication device provided according to an embodiment of the present disclosure.
- FIG. 16 is a schematic diagram of the structure of a communication device provided according to an embodiment of the present disclosure.
- the embodiments of the present disclosure provide a communication method and apparatus based on NTN, a communication device, a communication system and a storage medium.
- an embodiment of the present disclosure provides a communication method based on NTN.
- the method is performed by a terminal.
- the method includes: receiving a first message from a first network function, wherein the first message is used to indicate that the terminal is authorized to use a store-and-forward function, wherein the store-and-forward function is used to transmit data of the terminal in a store-and-forward manner in NTN access.
- the first network function authorizes the terminal to use the storage and forwarding function through a first message to enable the storage and forwarding function of the terminal.
- the feeder link cannot provide continuous connection in the NTN scenario, the communication of the terminal is realized and the service is kept uninterrupted.
- the first message may include storage and forwarding time information.
- the first message may include the storage and forwarding time information.
- the terminal may obtain the storage and forwarding time information through the first message, thereby knowing the characteristics of the storage and forwarding function.
- the operation of receiving a first message from a first network function may include: receiving a first message sent by the first network function and forwarded by an access network device.
- the operation of receiving a first message sent by a first network function and forwarded by an access network device may include: receiving storage and forwarding time information sent by the access network device.
- the access network device when the access network device stores the storage and forwarding time information, the access network device can send the storage and forwarding time information to the terminal while forwarding the first message. In this way, when the first message indicates that the terminal is authorized to use the storage and forwarding function, the access network device provides the storage and forwarding time information to the terminal.
- the first message may include a token and address information of the second network function.
- the token is used to authorize the terminal to obtain the storage and forwarding time information from the second network function.
- the first network function may instruct the terminal to use the storage and forwarding function through a first message.
- the storage and forwarding time information may be obtained by the terminal from the corresponding second network function according to the token.
- the above method may also include: sending a second message to the second network function, wherein the second message is used to request storage and forwarding time information from the second network function; receiving a third message from the second network function, wherein the third message includes storage and forwarding time information.
- the second message may include a token.
- the terminal can obtain the storage and forwarding time information from the second network function, so that the storage and forwarding time information can be uniformly managed by the second network function.
- the storage and forwarding time information may include at least one of the following: a data storage start time and a data storage duration.
- the data storage start time is determined based on the start time of the interruption of the feeder link between the satellite and the ground station.
- the data storage duration is determined based on the duration between the start time of the interruption of the feeder link and the time when the feeder link is restored.
- the terminal can obtain storage and forwarding time information including the data storage start time and the data storage duration. In this way, the terminal can perform data transmission based on this information to cooperate with the satellite access network to realize the storage and forwarding function.
- an embodiment of the present disclosure provides a communication method based on NTN.
- the method is performed by a first network function.
- the method includes: sending a first message to a terminal, wherein the first message is used to indicate that the terminal is authorized to use a store and forward function, wherein the store and forward function is used to transmit data of the terminal in a store and forward manner in NTN access.
- the first message may include storage and forwarding time information.
- the above method may further include: receiving storage and forwarding time information from an access network device.
- the first message may include a token and address information of the second network function.
- the token is used to authorize the terminal to obtain the storage and forwarding time information from the second network function.
- the storage and forwarding time information may include at least one of the following: a data storage start time and a data storage duration.
- the data storage start time is determined by the start time of the interruption of the feeder link between the satellite and the ground station.
- the data storage duration is determined based on the duration between the start time of the interruption of the feeder link and the time when the feeder link is restored.
- the above method may also include: receiving contract information of the terminal from a third network function; based on the contract information and/or operator policy, determining whether the terminal is authorized to use the storage and forwarding function.
- the first network function may determine to authorize the terminal to use the store-and-forward function based on the contract information and/or the operator policy. In this way, if the terminal user has signed up for the store-and-forward function and complies with the operator policy, the first network function can authorize the terminal to use the store-and-forward function.
- an embodiment of the present disclosure provides a communication method based on NTN.
- the method is performed by a second network function.
- the method includes: receiving a second message from a terminal, wherein the second message includes a method for requesting storage and forwarding time information from the second network function; and sending a third message to the terminal, wherein the third message includes storage and forwarding time information.
- the second information may include a token.
- the token is used to authorize the terminal to obtain the storage and forwarding time information from the second network function.
- the storage and forwarding time information may include at least one of the following: a data storage start time and a data storage duration.
- the data storage start time is determined based on the start time of the interruption of the feeder link between the satellite and the ground station.
- the data storage duration is determined based on the duration between the start time of the interruption of the feeder link and the time when the feeder link is restored.
- an embodiment of the present disclosure provides a communication method based on NTN.
- the method includes: sending a first message to a terminal, wherein the first message is used to instruct the terminal to use a store-and-forward function, wherein the store-and-forward function is used to transmit data of the terminal in a store-and-forward manner in NTN access.
- the above method also includes: receiving storage and forwarding time information from an access network device.
- the above method also includes: receiving a second message from the terminal, wherein the second message includes information for requesting storage and forwarding time; sending a third message to the terminal, wherein the third message includes storage and forwarding time information.
- an embodiment of the present disclosure provides a communication device based on NTN.
- the device is set in a terminal.
- the above device includes a receiving module.
- the receiving module is configured to: receive a first message from a first network function, wherein the first message is used to indicate The authorization terminal is indicated to use the store-and-forward function, where the store-and-forward function is used to transmit the terminal data in the store-and-forward mode in the NTN access.
- the first message may include storage and forwarding time information.
- the receiving module can be configured to: receive a first message sent by the first network function and forwarded by the access network device.
- the receiving module can be configured to: receive storage and forwarding time information sent by the access network device.
- the first message may include a token and address information of the second network function.
- the token is used to authorize the terminal to obtain the storage and forwarding time information from the second network function.
- the apparatus may further include a sending module.
- the sending module is configured to: send a second message to the second network function.
- the second message is used to request the second network function to store and forward time information; and receive a third message from the second network function, wherein the third message includes the storage and forward time information.
- the second message may include a token.
- the storage and forwarding time information may include at least one of the following: a data storage start time and a data storage duration.
- the data storage start time is determined based on the start time of the interruption of the feeder link between the satellite and the ground station.
- the data storage duration is determined based on the duration between the start time of the interruption of the feeder link and the time when the feeder link is restored.
- an embodiment of the present disclosure provides a communication device based on NTN.
- the device is set in a first network function.
- the above-mentioned device includes a sending module.
- the sending module is configured to: send a first message to a terminal, wherein the first message is used to indicate that the terminal is authorized to use a store and forward function, wherein the store and forward function is used to transmit data of the terminal in a store and forward manner in NTN access.
- the first message may include storage and forwarding time information.
- the apparatus may further include a receiving module.
- the receiving module may be configured to: receive storage and forwarding time information from an access network device.
- the first message may include a token and address information of the second network function.
- the token is used to authorize the terminal to obtain the storage and forwarding time information from the second network function.
- the storage and forwarding time information may include at least one of the following: a data storage start time and a data storage duration.
- the data storage start time is determined based on the start time of the feeder link interruption between the satellite and the ground station.
- the data storage duration is determined based on the duration between the start time of the feeder link interruption and the feeder link recovery time.
- the receiving module may be configured to: receive contract information of a terminal from a third network function.
- the above-mentioned apparatus may also include a processing module.
- the processing module is configured to: determine, based on the contract information and/or the operator policy, whether to authorize the terminal to use the storage and forwarding function.
- an embodiment of the present disclosure provides a communication device based on NTN.
- the device is set in a second network function.
- the device includes a receiving module and a sending module.
- the receiving module is configured to: receive a second message from a terminal, wherein the second message includes a request for storage and forwarding time information to the second network function.
- the sending module is configured to send a third message to the terminal, wherein the third message includes storage and forwarding time information.
- the second information may include a token.
- the token is used to authorize the terminal to obtain the storage and forwarding time information from the second network function.
- the storage and forwarding time information may include at least one of the following: a data storage start time and a data storage duration.
- the data storage start time is determined based on the start time of the feeder link interruption between the satellite and the ground station.
- the data storage duration is determined based on the duration between the start time of the feeder link interruption and the feeder link recovery time.
- an embodiment of the present disclosure provides a communication device.
- the communication device includes at least one processor.
- the processor is used to call instructions to execute the communication method as described in any one of the first aspect, the second aspect, the third aspect, the fourth aspect, and the embodiments thereof.
- an embodiment of the present disclosure provides a communication system.
- the communication system includes a first network function and a third network function.
- the third network function is configured to: send the contract information of the terminal to the first network function.
- the first network function is configured to: receive the contract information from the third network function; and determine, based on the contract information and/or the operator policy, to authorize the terminal to use the storage and forwarding function.
- the communication system further includes a second network function.
- the second network function is configured to provide storage and forwarding time information.
- an embodiment of the present disclosure provides a communication system.
- the communication system includes a terminal, an access network device, and a core network device.
- the terminal is configured to execute a communication method as described in any one of the first aspect and its embodiments.
- the access network device is configured to execute a communication method as described in any one of the second aspect, the third aspect, the fourth aspect and its embodiments.
- an embodiment of the present disclosure provides a storage medium.
- the storage medium stores instructions.
- the instructions are executed by a processor, the communication method as described in any one of the first aspect, the second aspect, the third aspect, the fourth aspect and the embodiments thereof is executed.
- a computer program or a computer program product comprises code.
- the communication method as described in any one of the first aspect, the second aspect, the third aspect, the fourth aspect and the embodiments thereof is performed.
- the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding method, and will not be repeated here.
- the embodiments of the present disclosure provide a communication method and apparatus, communication equipment, communication system and storage medium based on NTN.
- the terms such as communication method, information processing method, information transmission method, etc. can be replaced with each other, the terms such as communication apparatus, information processing apparatus, information transmission apparatus, etc. can be replaced with each other, and the terms such as communication system, information processing system, etc. can be replaced with each other.
- each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
- a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged.
- the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined, for example, some or all of the steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
- elements expressed in the singular form such as “a”, “an”, “a kind of”, “the”, “above”, “said”, “aforementioned”, “this”, etc., may mean “one and only one", or “one or more”, “at least one”, etc.
- the noun after the article may be understood as a singular expression or a plural expression.
- plurality refers to two or more.
- "at least one of A and B", “A and/or B”, “A in one case, B in another case”, “A in one case, B in another case”, etc. may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). When there are more branches such as A, B, C, etc., the above is also similar.
- the recording method of "A or B” may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed).
- A A is executed independently of B
- B B is executed independently of A
- execution is selected from A and B (A and B are selectively executed).
- prefixes such as “first” and “second” in the embodiments of the present disclosure are only used to distinguish different description objects, and do not constitute restrictions on the position, order, priority, quantity or content of the description objects.
- the statement of the description object refers to the description in the context of the claims or embodiments, and should not constitute unnecessary restrictions due to the use of prefixes.
- the description object is a "field”
- the ordinal number before the "field” in the "first field” and the "second field” does not limit the position or order between the "fields”
- the "first” and “second” do not limit whether the "fields” they modify are in the same message, nor do they limit the order of the "first field” and the "second field”.
- the description object is a "level”
- the ordinal number before the "level” in the “first level” and the “second level” does not limit the priority between the "levels”.
- the number of description objects is not limited by the ordinal number, and can be one or more. Taking the "first device” as an example, the number of "devices” can be one or more.
- the objects modified by different prefixes may be the same or different. For example, if the description object is "device”, then the “first device” and the “second device” may be the same device or different devices, and their types may be the same or different. For another example, if the description object is "information”, then the "first information” and the “second information” may be the same information or different information, and their contents may be the same or different.
- “including A”, “comprising A”, “used to indicate A”, and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
- terms such as “greater than”, “greater than or equal to”, “not less than”, “more than”, “more than or equal to”, “not less than”, “higher than”, “higher than or equal to”, “not lower than”, and “above” can be replaced with each other, and terms such as “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”, “no more than”, “lower than”, “lower than or equal to”, “not higher than”, and “below” can be replaced with each other.
- devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments.
- Terms such as “device”, “equipment”, “device”, “circuit”, “network element”, “node”, “function”, “unit”, “section”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” can be used interchangeably.
- network can be interpreted as devices included in the network (eg, access network equipment, core network equipment, data network equipment, etc.).
- terminal In some embodiments, the terms "terminal”, “terminal device”, “user equipment (UE)”, “user terminal” “mobile station (MS)”, “mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client and the like can be used interchangeably.
- the access network device, the core network device, or the network device can be replaced by a terminal.
- the various embodiments of the present disclosure can also be applied to a structure in which the access network device, the core network device, or the network device and the communication between the terminals is replaced by the communication between multiple terminals (for example, device-to-device (D2D), vehicle-to-everything (V2X), etc.).
- D2D device-to-device
- V2X vehicle-to-everything
- it can also be set as a structure in which the terminal has all or part of the functions of the access network device.
- terms such as "uplink” and "downlink” can also be replaced by terms corresponding to communication between terminals (for example, "side”).
- uplink channels, downlink channels, etc. can be replaced by side channels
- uplinks, downlinks, etc. can be replaced by side links.
- the terminal may be replaced by an access network device, a core network device, or a network device.
- the access network device, the core network device, or the network device may also be configured to have a structure that has all or part of the functions of the terminal.
- acquisition of data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
- data, information, etc. may be obtained with the user's consent.
- each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns may also be implemented as an independent embodiment.
- FIG1 is a schematic diagram of the architecture of a communication system provided according to an embodiment of the present disclosure.
- a communication system 100 includes a terminal 101 , an access network device 102 , and a core network device 103 .
- the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things (IoT) device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited thereto.
- IoT Internet of Things
- TV virtual reality
- AR augmented reality
- the access network device 102 may be, for example, a node or device that accesses a terminal to a wireless network.
- the access network device may include an evolved NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a wireless network in a 5G communication system, At least one of a controller (radio network controller, RNC), a base station controller (base station controller, BSC), a base transceiver station (base transceiver station, BTS), a base band unit (base band unit, BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a satellite base station, a base station in other communication systems, and an access node in a Wi-Fi system, but not limited there
- the technical solution of the present disclosure may be applicable to the Open RAN architecture.
- the interfaces within the network equipment involved in the embodiments of the present disclosure may become internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces may be implemented through software or programs.
- the access network device 102 may be composed of a centralized unit (CU) and a distributed unit (DU), wherein the CU may also be referred to as a control unit (control unit).
- the CU-DU structure may be used to separate the protocol layers of the network device, with some functions of the protocol layers being centrally controlled by the CU, and the remaining part or all of the functions of the protocol layers being distributed in the DU, which is centrally controlled by the CU, but is not limited thereto.
- the core network device 103 may be a device including a first network element 1031, a second network element 1032, a third network element 1033, etc., or may be a plurality of devices or a device group including part or all of the first network element 1031, the second network element 1032, and the third network element 1033.
- the network device may be virtual or physical.
- the core network may include, for example, at least one of an evolved packet core (EPC), a 5G core network (5GCN), and a next generation core (NGC).
- EPC evolved packet core
- 5GCN 5G core network
- NGC next generation core
- the first network element 1031 is, for example, an access and mobility management function (AMF).
- AMF access and mobility management function
- the first network element 1031 may be used to perform user access and mobility management, and its name is not limited thereto.
- the second network element 1032 is, for example, a server.
- the second network element 1032 may be used to store and provide storage and forwarding time information, and its name is not limited thereto.
- the second network element 1032 may be independent of the core network device 103. That is, the core network device 103 may not include the second network element 1032.
- the second network element 1032 may be a part of the core network device 103. That is, the core network device 103 may include the second network element 1032.
- the third network element 1033 is, for example, a unified data management (UDM) function.
- UDM unified data management
- the third network element 1033 can be used for user subscription data management, and its name is not limited thereto.
- each network element in the core network device 103 may also be referred to as a network device, a network function, etc., without limitation to the name.
- the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution provided by the embodiment of the present disclosure.
- a person skilled in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution provided by the embodiment of the present disclosure is also applicable to similar technical problems.
- the following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or part of the subject, but are not limited thereto.
- the subjects shown in FIG1 are examples, and the communication system may include all or part of the subjects in FIG1 , or may include other subjects other than FIG1 , and the number and form of the subjects are arbitrary, and the connection relationship between the subjects is an example, and the subjects may be connected or disconnected, and the connection may be in any manner, which may be a direct connection or an indirect connection, and may be a wired connection or a wireless connection.
- LTE Long Term Evolution
- LTE-A LTE-Advanced
- LTE-B LTE-Beyond
- SUPER 3G IMT-Advanced
- 4G the fourth generation mobile communication system
- 5G 5G new radio
- FAA Future Radio Access
- RAT New Radio
- NR New Radio
- NX New radio access
- the present invention relates to wireless communication systems such as LTE, Wi-Fi (X), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) network, Device to Device (D2D) system, Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle to Everything (V2X), systems using other communication methods, and next-generation systems expanded based on them.
- PLMN Public Land Mobile Network
- D2D Device to Device
- M2M Machine to Machine
- IoT Internet of Things
- V2X Vehicle to Everything
- systems using other communication methods and next-generation systems expanded based on them.
- next-generation systems expanded based on them.
- a combination of multiple systems for example, a combination of
- satellite communication can serve as a supplement to cellular communication.
- the integration between satellite communication and cellular communication will gradually deepen.
- a UE can access a 5G core network through a satellite access network. This is a NTN type network.
- FIG2 is a schematic diagram of a communication scenario provided according to an embodiment of the present disclosure.
- a satellite in a satellite access network supports a gNB function and establishes communication connections with a UE and a ground station through a service link and a feeder link, respectively.
- NGSO non-geostationary orbit
- mobility enhancement, power saving technology and the like are proposed for the case of discontinuous coverage.
- FIG 3 is a schematic diagram of a storage and forwarding working scenario provided according to an embodiment of the present disclosure.
- the satellite when the satellite is at position 1, the satellite can communicate with the UE through the service link (for example, exchange data) and store data from the UE; when the satellite moves to position 2, the satellite can communicate with the ground network through the feeder link (for example, exchange data) and send the stored data to the ground network.
- the ground network can also be delivered to the UE through the reverse operation process.
- the satellite access network supports storage and forwarding features that are particularly suitable for delay-tolerant/non-real-time IoT services carried out by terminals.
- the storage and forwarding feature is described by the storage and forwarding time information.
- the satellite access network supports the storage and forwarding mode, in order to ensure that the UE does not affect the service communication when the feeder link is interrupted, the UE also needs to know the start and duration of the data storage to cooperate with the data storage and forwarding function of the satellite access network to realize the development of non-real-time services when the feeder link is interrupted.
- Fig. 4A is an exemplary interaction diagram of a communication method based on NTN provided according to an embodiment of the present disclosure.
- the embodiment of the present disclosure relates to a communication method based on NTN, which is applied to a communication system 100. As shown in Fig. 4A, the method includes steps S4110 to S4150.
- step S4110 the access network device 102 sends storage and forwarding time information to the first network element 1031 .
- the access network device 102 may send store and forward information.
- the first network element 1031 may receive storage and forwarding time information.
- the store and forward time information can be used to characterize the store and forward feature.
- the store-and-forward time information may be generated based on operational information of satellites in the NTN.
- the name of the storage and forwarding time information is not limited, and may be, for example, storage and forwarding information, storage and forwarding parameters, storage and forwarding indication information, etc.
- the storage and forwarding time information may include at least one of the following: data storage start time, data storage duration.
- the data storage start time is used to indicate the start time of data storage. In other words, starting from the data storage start time, the data sent by the terminal 101 to the access network device 101 is stored in the access network device 101.
- the data storage start time may be the time when the access network device 102 starts to store the data of the terminal 101. In some embodiments, the data storage start time may be the time when the access network device 102 starts to store the data of the terminal 101 when the feeder link is unavailable. In one example, the data storage start time may be the moment when the access network device 102 starts to store the data of the terminal 101 when the feeder link is unavailable.
- the data storage start time may be determined based on the disconnection time of the feeder link between the satellite and the ground station.
- the disconnection moment of the feeder link between the satellite and the ground station may be the start time of data storage. It is understood that the start time of data storage may also be earlier or later than the disconnection moment of the feeder link between the satellite and the ground station.
- the data storage duration may be determined based on the duration of the feeder link between the satellite and the ground station from the time it is disconnected to the time it is restored.
- the data storage duration may be the duration that the access network device 102 stores the data of the terminal 101. In some embodiments, the data storage duration may be the duration that the access network device 102 stores the data of the terminal 101 when the feeder link is unavailable.
- the storage and forwarding time information may be fixed. In one example, when the deployment of the access network device 102 remains unchanged, the storage and forwarding time information may remain unchanged.
- the storage and forwarding function with the above-mentioned data storage and forwarding time information can be implemented as follows: start storing data at the data storage start time, and save the data within the time indicated by the data storage duration. At the end of or after the time duration, the access network device 102 can send the stored data to the ground station or even the core network device 103.
- the data sent by the terminal 101 to the access network device 102 when the data storage start time is about to arrive can be The data is stored in the access network device 102 until the data storage period ends.
- the data sent by the terminal 101 to the access network device 102 before the data storage start time may not be stored and forwarded.
- the data sent by the terminal 101 to the access network device 102 within the data storage duration may be stored in the access network device 102 until the data storage duration ends.
- the access network device 102 may send N2 signaling to the first network element 1031.
- the N2 signaling may include storage and forwarding time information.
- the N2 signaling may be the signaling required for connection configuration between the gNB and the 5G core network function (e.g., AMF).
- the N2 signaling may be independent of the UE.
- the N2 signaling may be signaling for exchanging configuration data between the access network device 102 and the first network element 1031.
- the first network element 1031 may receive N2 signaling.
- the N2 signaling may include storage and forwarding time information.
- the access network device 102 may send a next generation application protocol (NGAP) message to the first network element 1031.
- the NGAP message may include storage and forwarding time information.
- the NGAP message is a message sent by the gNB to the AMF in a UE registration procedure.
- the first network element 1031 may receive an NGAP message.
- the NGAP message may include storage and forwarding time information.
- the storage and forwarding time information may be determined by the access network device 102 .
- the storage and forwarding time information may be obtained by the access network device 102 from an external server.
- the storage and forwarding time information can be obtained by the access network device 102 from an operation, administration and maintenance server (OAM server).
- OAM server operation, administration and maintenance server
- step S4110 is optional.
- the storage and forwarding time information may be pre-configured in the first network element 1031.
- the storage and forwarding time information may be pre-configured in other network elements in the core network device 103, and the first network element 1031 may receive the storage and forwarding time information from other network elements in the core network device 103.
- step S4120 the terminal 101 sends a registration request message to the first network element 1031 .
- the first network element 1031 may receive a registration request message.
- the terminal 101 may send a registration request message to the access network device 102, and the access network device 102 may then send a registration request message to the first network element 1031.
- the registration request message may be used by the terminal 101 to initiate a registration process.
- the registration request message may include at least one of the following: access type, radio access technology (RAT) type.
- RAT radio access technology
- the access type may be used to indicate the type of network that the terminal 101 accesses.
- the access type may be a third generation partnership project (3GPP) access.
- 3GPP third generation partnership project
- the access type may be a non-3GPP access.
- the RAT type may be accessed by low earth orbit satellite-new radio (LEO-NR) or accessed by a ground base station.
- LEO-NR low earth orbit satellite-new radio
- the RAT type may also be other types, which is not specifically limited in the embodiments of the present disclosure.
- step S4110 may be executed before step S4120, may be executed after step S4120, or may be executed simultaneously with step S4120, and the embodiments of the present disclosure do not specifically limit this.
- step S4130 the third network element 1033 sends the signing information to the first network element 1031 .
- the third network element 1033 may send signing information.
- the first network element 1031 may receive subscription information.
- the contract information may include terminal 101 contract data.
- the contract information may include contract data of the user of terminal 101 .
- the subscription data may include information indicating whether the terminal 101 supports the store-and-forward function. In one example, the subscription data may be used to indicate that the terminal 101 supports the store-and-forward function. In one example, the subscription data may be used to indicate that the terminal 101 does not support the store-and-forward function.
- the subscription data may include information indicating whether the terminal 101 subscribes to the store and forward function.
- the subscription data may be used to indicate that the terminal 101 has purchased the store and forward function from the operator, and further used to indicate that the operator allows the terminal 101 to implement the store and forward function.
- the third network element 1033 can use the Nudm_SDM_Get service operation (Nudm_SDM_Get service operation) sends the signing information to the first network element 1031.
- step S4140 the first network element 1031 determines to authorize the terminal 101 to use the store and forward function.
- the store and forward function is used to transmit the data of the terminal in a store and forward manner in NTN access.
- the store and forward function can be used to transmit terminal data in a store and forward manner when the feeder link connection between the satellite and the ground station in NTN access is discontinuous.
- the first network element 1031 may determine to authorize the terminal 101 to use the store-and-forward function based on the subscription information and/or the operator's policy.
- the first network element 1031 may determine not to authorize the terminal 101 to use the store-and-forward function based on the subscription information and/or the operator's policy.
- the first network element 1031 may determine based on the contract information that the terminal 101 is not authorized to use the storage and forwarding function. In some embodiments, when the contract information indicates that the terminal 101 does not support the storage and forwarding function, the first network element 1031 may determine based on the contract information that the terminal 101 is not authorized to use the storage and forwarding function.
- the first network element 1031 may determine to authorize the terminal 101 to use the storage and forwarding function based on the contract information. In some embodiments, when the contract information indicates that the terminal 101 supports the storage and forwarding function, the first network element 1031 may determine to authorize the terminal 101 to use the storage and forwarding function based on the contract information.
- the first network element 1031 may determine not to authorize the terminal 101 to use the store-and-forward function based on the operator's policy.
- the first network element 1031 may determine to authorize the terminal 101 to use the store and forward function based on operator policy.
- the first network element 1031 may determine to authorize the terminal 101 to use the store-and-forward function.
- the first network element 1031 may determine not to authorize the terminal 101 to use the store-and-forward function.
- the first network element 1031 may determine to authorize the terminal 101 to use the store-and-forward function.
- the first network element 1031 may determine not to authorize the terminal 101 to use the store-and-forward function.
- step S4150 the first network element 1031 sends a first message to the terminal 101 .
- the first network element 1031 may send a first message.
- terminal 101 may receive a first message.
- the first message may be used to indicate to the terminal 101 that the terminal 101 is authorized to use the store and forward function.
- the name of the first message is not limited, and may be, for example, a notification message, an indication message, etc.
- the first message may include enabling information.
- the enabling information may be used to enable a storage and forwarding function of the terminal 101.
- the first message may include store-and-forward time information.
- the storage and forwarding time information may include at least one of the following: data storage start time, data storage duration.
- the first network element 1031 may send the first message to the terminal 101 in the following manner: the first network element 1031 may send the first message to the access network device 102, and the access network device 102 may transparently transmit the first message to the terminal 101. In other words, the access network device 102 may transparently transmit the first message from the first network element 1031 to the terminal 101.
- the first network element 1031 may send the first message to the terminal 101 in the following manner: the first network element 1031 may send the first message to the access network device 102, and the access network device 102 may forward the first message to the terminal 101. In other words, the access network device 102 may forward the first message from the first network element 1031 to the terminal 101.
- the first message may include enabling information.
- the first message may include store-and-forward time information.
- the access network device 102 may send the storage and forwarding time information to the terminal 101 when forwarding the first message to the terminal 101.
- the storage and forwarding time information may be carried in the first message.
- the storage and forwarding time information may be carried in another message or signaling different from the first message.
- the first message may be a non-access stratum (NAS) message.
- NAS non-access stratum
- the first message may be a registration accept message sent by the first network element 1031.
- the first message may be a message in a user configuration update procedure.
- the first message may be an air interface message.
- the NTN-based communication method involved in the embodiments of the present disclosure may include at least one of steps S4110 to S4150.
- step S4150 may be implemented as an independent embodiment.
- step S4150 may be implemented as an independent embodiment.
- the combination of steps S4140 and S4150 may be implemented as an independent embodiment.
- the combination of steps S4130 and S4140 may be implemented as an independent embodiment.
- the combination of steps S4130, S4140 and S4150 may be implemented as an independent embodiment. It should be noted that the possible independent embodiments consisting of one or more steps in steps S4110 to S4150 are not limited to this.
- steps S4110, S4120, S4130, and S4140 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- steps S4110, S4120, S4130, and S4150 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- Fig. 4B is an exemplary interaction diagram of a communication method based on NTN provided according to an embodiment of the present disclosure.
- the embodiment of the present disclosure relates to a communication method based on NTN, which is applied to a communication system 100. As shown in Fig. 4B, the method includes steps S4210 to S4260.
- step S4210 the terminal 101 sends a registration request message to the first network element 1031 .
- step S4210 can refer to the optional implementation of step S4120 in Figure 4A and other related parts in the embodiment involved in Figure 4A.
- terminal 101 may send a registration request message.
- the first network element 1031 may receive a registration request message.
- the terminal 101 may send a registration request message to the access network device 102, and the access network device 102 may then send a registration request message to the first network element 1031.
- the registration request message may be used by the terminal 101 to initiate a registration process.
- the registration request message may include at least one of the following: access type, radio access technology (RAT) type.
- RAT radio access technology
- the access type may be used to indicate the type of network that the terminal 101 accesses.
- the access type may be 3GPP access.
- the access type may be a non-3GPP access.
- the RAT type may be accessed by low earth orbit satellite-new radio (LEO-NR) or accessed by a ground base station.
- LEO-NR low earth orbit satellite-new radio
- the RAT type may also be other types, which is not specifically limited in the embodiments of the present disclosure.
- step S4220 the third network element 1033 sends the signing information to the first network element 1031.
- step S4220 can refer to the optional implementation of step S4130 in Figure 4A and other related parts of the embodiment involved in Figure 4A, which will not be repeated here.
- the third network element 1033 may send signing information.
- the first network element 1031 may receive subscription information.
- the contract information may include contract data of terminal 101 .
- the subscription data may include information indicating whether the terminal 101 supports the store-and-forward function. In one example, the subscription data may be used to indicate that the terminal 101 supports the store-and-forward function. In one example, the subscription data may be used to indicate that the terminal 101 does not support the store-and-forward function.
- the subscription data may include information indicating whether the terminal 101 subscribes to the store and forward function.
- the subscription data may be used to indicate that the terminal 101 has purchased the store and forward function from the operator, and further used to indicate that the operator allows the terminal 101 to implement the store and forward function.
- the third network element 1033 can send the signing information to the first network element 1031 through the Nudm_SDM_Get service operation (Nudm_SDM_Get service operation).
- step S4230 the first network element 1031 determines to authorize the terminal 101 to use the store and forward function.
- step S4230 can refer to the optional implementation of step S4140 in Figure 4A and other related parts of the embodiment involved in Figure 4A, which will not be repeated here.
- the store and forward function is used to transmit the data of the terminal in a store and forward manner in NTN access.
- the store and forward function can be used to transmit terminal data in a store and forward manner when the feeder link connection between the satellite and the ground station in NTN access is discontinuous.
- the first network element 1031 may determine to authorize the terminal 101 to use the store-and-forward function based on the subscription information and/or the operator's policy.
- the first network element 1031 may determine not to authorize the terminal 101 to use the store-and-forward function based on the subscription information and/or the operator's policy.
- the first network element 1031 may determine based on the contract information that the terminal 101 is not authorized to use the storage and forwarding function. In some embodiments, when the contract information indicates that the terminal 101 does not support the storage and forwarding function, the first network element 1031 may determine based on the contract information that the terminal 101 is not authorized to use the storage and forwarding function.
- the first network element 1031 may determine to authorize the terminal 101 to use the storage and forwarding function based on the contract information. In some embodiments, when the contract information indicates that the terminal 101 supports the storage and forwarding function, the first network element 1031 may determine to authorize the terminal 101 to use the storage and forwarding function based on the contract information.
- the first network element 1031 may determine not to authorize the terminal 101 to use the store-and-forward function based on the operator's policy.
- the first network element 1031 may determine to authorize the terminal 101 to use the store and forward function based on operator policy.
- the first network element 1031 may determine to authorize the terminal 101 to use the store-and-forward function.
- the first network element 1031 may determine not to authorize the terminal 101 to use the store-and-forward function.
- the first network element 1031 may determine to authorize the terminal 101 to use the store-and-forward function.
- the first network element 1031 may determine not to authorize the terminal 101 to use the store-and-forward function.
- step S4240 the first network element 1031 sends a first message to the terminal 101 .
- the first network element 1031 may send a first message.
- terminal 101 may receive a first message.
- the first message may be used to indicate to the terminal 101 that the terminal 101 is authorized to use the store and forward function.
- the name of the first message is not limited, and may be, for example, a notification message, an indication message, etc.
- the first message may be a non-access stratum (NAS) message.
- NAS non-access stratum
- the first message may be a registration accept message sent by the first network element 1031.
- the first message may be a message in a user configuration update procedure.
- the first message may include a token and address information of the second network element 1032 .
- the token may be used to obtain storage and forwarding time information from the second network element 1032 .
- the token may be used to authorize the terminal 101 to obtain the storage and forwarding time information from the second network element 1032 .
- the token may be associated with the storage and forwarding time information in the second network element 1032 .
- a token may be associated with a terminal 101.
- one terminal 101 may correspond to a specific token.
- the token may be associated with the first network element 1031.
- one first network element 1031 may correspond to a specific token.
- the address information may be used for the terminal 101 to communicate with the second network element 1032 .
- the address information can be used to indicate the Internet Protocol (IP) address of the second network element 1032.
- IP Internet Protocol
- the first network element 1031 sending the first message to the terminal 101 may be implemented in the following manner: the first network element 1031 may send the first message to the access network device 102 , and the access network device 102 may transparently transmit the first message to the terminal 101 .
- the first network element 1031 sending the first message to the terminal 101 may be implemented in the following manner: the first network element 1031 may send the first message to the access network device 102 , and the access network device 102 may forward the first message to the terminal 101 .
- the first message may be a registration accept message sent by the first network element 1031.
- step S4250 the terminal 101 sends a second message to the second network element 1032 .
- terminal 101 may send a second message.
- the second network element 1032 may receive the second message.
- the name of the second message is not limited, and may be, for example, a request message, a query message, etc.
- the second message may be used to request the second network element 1032 to store and forward time information.
- the terminal 101 may send a second message to the second network element 1032 based on the address information in the first message.
- the second message may include a token.
- the second network element 1032 may be a server located outside the core network device 103 (ie, an external server).
- the second network element 1032 may be a server located in the core network device 103 .
- step S4260 the second network element 1032 sends a third message to the terminal 101 .
- the second network element 1032 may send a third message.
- terminal 101 may receive a third message.
- the name of the third message is not limited, for example, it can be a response message, a confirmation message, etc.
- the third message may be a response message to the second message.
- the third message may be used to indicate the storage and forwarding time information to the terminal 101 .
- the third message may include store-and-forward time information.
- the storage and forwarding time information may be used to characterize the storage and forwarding function.
- the storage and forwarding time information may include parameters characterizing the storage and forwarding function.
- the name of the storage and forwarding time information is not limited, and may be, for example, storage and forwarding parameters, storage and forwarding indication information, etc.
- the storage and forwarding time information may include at least one of the following: data storage start time, data storage duration.
- the data storage start time is used to indicate the start time of data storage. In other words, starting from the data storage start time, the data sent by the terminal 101 to the access network device 101 is stored in the access network device 101.
- the data storage start time may be the time when the access network device 102 starts to store the data of the terminal 101. In some embodiments, the data storage start time may be the time when the access network device 102 starts to store the data of the terminal 101 when the feeder link is unavailable. In one example, the data storage start time may be the moment when the access network device 102 starts to store the data of the terminal 101 when the feeder link is unavailable.
- the data storage start time may be determined based on the disconnection time of the feeder link between the satellite and the ground station.
- the disconnection moment of the feeder link between the satellite and the ground station may be the start time of data storage. It is understood that the start time of data storage may also be earlier or later than the disconnection moment of the feeder link between the satellite and the ground station.
- the data storage duration may be the duration that the access network device 102 stores the data of the terminal 101. In some embodiments, the data storage duration may be the duration that the access network device 102 stores the data of the terminal 101 when the feeder link is unavailable.
- the storage and forwarding time information may be fixed. In one example, when the deployment of the access network device 102 remains unchanged, the storage and forwarding time information may remain unchanged.
- the NTN-based communication method involved in the embodiments of the present disclosure may include at least one of steps S4210 to S4260.
- step S4230 may be implemented as an independent embodiment.
- step S4240 may be implemented as an independent embodiment.
- the combination of steps S4230 and S4240 may be implemented as an independent embodiment.
- the combination of steps S4220 and S4230 may be implemented as an independent embodiment.
- the combination of steps S4220, S4230 and S4240 may be implemented as an independent embodiment.
- the combination of steps S4240, S4250 and S4260 may be implemented as an independent embodiment. It should be noted that the possible independent embodiments composed of one or more steps in steps S4210 to S4260 are not limited thereto.
- steps S4210, S4220, S4230, S4250, and S4260 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- step S4350 the core network device 103 sends a third message to the terminal.
- steps S4320, S4330, S4340, and S4350 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- steps S4310, S4320, S4340, and S4350 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- steps S4310, S4320, and S4330 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- the names of information, etc. are not limited to the names recorded in the embodiments, and terms such as “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, “field”, “symbol”, “symbol”, “code element”, “codebook”, “codeword”, “codepoint”, “bit”, “data”, “program”, and “chip” can be used interchangeably.
- terms such as “moment”, “time point”, “time”, and “time position” can be interchangeable, and terms such as “duration”, “period”, “time window”, “window”, and “time” can be interchangeable.
- obtain can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from high levels, obtaining by self-processing, autonomous implementation, etc.
- terms such as “certain”, “preset”, “preset”, “setting”, “indicated”, “some”, “any”, and “first” can be interchangeable, and "specific A”, “preset A”, “preset A”, “setting A”, “indicated A”, “some A”, “any A”, and “first A” can be interpreted as A pre-defined in a protocol, etc., or as A obtained through setting, configuration, or indication, etc., and can also be interpreted as specific A, some A, any A, or first A, etc., but is not limited to this.
- the determination or judgment can be performed by a value represented by 1 bit (0 or 1), by a true or false value (Boolean value) represented by true or false, or by comparison of numerical values (for example, comparison with a predetermined value), but is not limited to this.
- Fig. 5A is an exemplary flow chart of a communication method based on NTN provided according to an embodiment of the present disclosure.
- the present disclosure embodiment relates to a communication method based on NTN, which is applied to a terminal 101.
- the method includes steps S5110 to S5120.
- step S5110 a registration request message is sent.
- step S5110 can refer to the optional implementation of step S4120 in FIG. 4A and the implementation involved in FIG. 4A. Other related parts in the example will not be repeated here.
- the terminal 101 may send a registration request message to the first network element 1031 , but is not limited thereto and may also send a registration request message to other entities.
- the registration request message may be a message received by the first network element 1031 from the terminal 101 .
- step S5120 a first message is obtained.
- step S5120 can refer to the optional implementation of step S4150 in Figure 4A and other related parts of the embodiment involved in Figure 4A, which will not be repeated here.
- the terminal 101 may receive a first message from the first network element 1031 , but is not limited thereto and may also receive a first message from other entities.
- the first message may be a message sent by the first network element 1031 to the terminal 101 .
- the NTN-based communication method involved in the embodiment of the present disclosure may include at least one of steps S5110 to S5120.
- step S5120 may be implemented as an independent embodiment.
- the combination of steps S5110 and S5120 may be implemented as an independent embodiment. It should be noted that the possible independent embodiments composed of one or more steps in steps S4210 to S4260 are not limited thereto.
- step S5110 is optional and may be omitted or replaced in different embodiments.
- Fig. 5B is an exemplary flow chart of a communication method based on NTN provided according to an embodiment of the present disclosure.
- the embodiment of the present disclosure relates to a communication method based on NTN, which is applied to a terminal 101.
- the method includes steps S5210 to S5240.
- step S5210 a registration request message is sent.
- step S5210 can refer to the optional implementation of step S4210 in Figure 4B and other related parts of the embodiment involved in Figure 4A, which will not be repeated here.
- the terminal 101 may send a registration request message to the first network element 1031 , but is not limited thereto and may also send a registration request message to other entities.
- the registration request message may be a message received by the first network element 1031 from the terminal 101 .
- step S5220 the first message is obtained.
- step S5220 can refer to the optional implementation of step S4240 in Figure 4B and other related parts of the embodiment involved in Figure 4B, which will not be repeated here.
- the terminal 101 may receive a first message from the first network element 1031 , but is not limited thereto and may also receive a first message from other entities.
- the first message may be a message sent by the first network element 1031 to the terminal 101 .
- step S5230 a second message is sent.
- steps S5210, S5230, and S5240 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- step S6110 store and forward time information is sent.
- step S6110 can refer to the optional implementation of step S4110 in Figure 4A, as well as other related parts in the embodiment involved in Figure 4A, which will not be repeated here.
- the first network element 1031 may obtain storage and forwarding time information from the access network device 102 .
- step S6120 a registration request message is transmitted.
- step S6120 can refer to the optional implementation of step S4120 in Figure 4A, as well as other related parts in the embodiment involved in Figure 4A, which will not be repeated here.
- the access network device 102 may transmit the registration request message from the terminal 101 to the first network element 1031 .
- the access network device 102 may receive a registration request message from the terminal 101 , and send the registration request message to the first network element 1031 .
- step S6130 the first message is delivered.
- step S6120 can refer to the optional implementation of step S4150 in Figure 4A, as well as other related parts in the embodiment involved in Figure 4A, which will not be repeated here.
- the access network device 102 may transmit the first message in a forwarding manner.
- steps S6120 and S6130 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- steps S6110 and S6120 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- Fig. 6B is an exemplary flow chart of a communication method based on NTN provided according to an embodiment of the present disclosure.
- the present disclosure embodiment relates to a communication method based on NTN, which is applied to an access network device 102. As shown in Fig. 6B, the method includes step S6210 and step S6240.
- step S6210 a registration request message is transmitted.
- step S6210 can refer to the optional implementation of step S4210 in Figure 4B, as well as other related parts in the embodiment involved in Figure 4B, which will not be repeated here.
- the access network device 102 may transmit the registration request message from the terminal 101 to the first network element 1031 .
- the access network device 102 may receive a registration request message from the terminal 101 , and send the registration request message to the first network element 1031 .
- step S6220 the first message is delivered.
- step S6220 can refer to the optional implementation of step S4240 in Figure 4B, as well as other related parts in the embodiment involved in Figure 4B, which will not be repeated here.
- the access network device 102 may deliver the first message from the first network element 1031 to the terminal 101 .
- the access network device 102 may transmit the first message in a transparent manner.
- the access network device 102 may transmit the first message in a forwarding manner.
- step S6230 the second message is delivered.
- step S6230 can refer to the optional implementation of step S4250 in Figure 4B, as well as other related parts in the embodiment involved in Figure 4B, which will not be repeated here.
- step S6240 the third message is delivered.
- step S6240 can refer to the optional implementation of step S4260 in Figure 4B, as well as other related parts in the embodiment involved in Figure 4B, which will not be repeated here.
- the NTN-based communication method involved in the embodiment of the present disclosure may include at least one of steps S6210 to S6240.
- step S6220 may be implemented as an independent embodiment.
- a combination of step S6240 may be implemented as an independent embodiment.
- steps S6230 and S6240 may be implemented as an independent embodiment.
- steps S6220, S6230, and S6240 may be implemented as an independent embodiment.
- steps S6210 to S6240 may be implemented as an independent embodiment. Possible independent embodiments of the composition are not limited thereto.
- steps S6210, S6230, and S6240 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- steps S6210 and S6220 are optional, and one or more of these steps may be omitted or replaced in different embodiments.
- Fig. 7A is an exemplary flow chart of a communication method based on NTN provided according to an embodiment of the present disclosure.
- the present disclosure embodiment relates to a communication method based on NTN, which is applied to the first network element 1031. As shown in Fig. 7A, the method includes steps S7110 to S7150.
- step S7110 storage and forwarding time information is obtained.
- step S7110 can refer to the optional implementation of step S4110 in Figure 4A, step S6110 in Figure 6A, and other related parts in the embodiments involved in Figures 4A and 6A, which will not be repeated here.
- step S11110 can refer to the optional methods of step S4150 of Figure 4A, step S4240 of Figure 4B, step S5120 of Figure 5A, step S5220 of Figure 5B, step S7150 of Figure 7A, step S7240 of Figure 7B, and other related parts in the embodiments involved in Figures 4A, 4B, 5A, 5B, 7A, and 7B, which will not be repeated here.
- Fig. 11B is an exemplary interaction diagram of a communication method based on NTN provided according to an embodiment of the present disclosure.
- the embodiment of the present disclosure relates to a communication method based on NTN.
- the method includes step S11210 and step S11220.
- step S11210 can refer to the optional methods of step S4250 in Figure 4B, step S5230 in Figure 5B, step S810 in Figure 8, and other related parts in the embodiments involved in Figures 4B, 5B, and 8, which will not be repeated here.
- step S11220 the second network element 1032 sends a third message to the terminal 101 .
- Fig. 12A is an exemplary interaction diagram of a communication method based on NTN provided according to an embodiment of the present disclosure.
- the embodiment of the present disclosure relates to a communication method based on NTN.
- the method includes steps S12110 to S12150.
- the storage and forwarding time information includes information for indicating the start of data storage and the data storage duration. If the feeder link becomes unavailable, the gNB starts data storage for UE data exchange using satellite access. The data storage duration reflects the time for which data needs to be stored due to the unavailability of the feeder link.
- such storage and forwarding time information can be pre-configured in the 5GC (e.g., AMF), or received from the RAN through the N2 procedure (exchanging configuration data using UE-independent N2 signaling) as in 4.2.7 of TS 23.502, or received from the RAN through the NGAP message in the UE registration process as in 4.2.2.2.2 of TS 23.502.
- 5GC e.g., AMF
- N2 procedure exchange configuration data using UE-independent N2 signaling
- step S12120 if the UE wants to access the 5GC using satellite access, the UE initiates a registration request to the AMF.
- the registration request message contains the access type and RAT type.
- the RAT type indicates the access network used by the UE, for example, LEO-NR.
- the AMF can obtain the UE's subscription data (ie, subscription information) from the UDM through the Nudm_SDM_Get service operation.
- the UE's subscription data includes information indicating whether the UE has subscribed to support the store and forward feature.
- step S12140 based on the UE's subscription information and/or operator policy, the AMF authorizes the UE using satellite access to enable the store and forward feature.
- step S12150 the AMF sends a registration accept message to the UE, indicating that the UE is authorized to use the store and forward feature.
- the registration accept message may include store and forward time information.
- the RAN may send the store and forward time information together with the registration accept message to the UE (step S12150b).
- FIG. 12B is an exemplary interaction diagram of a communication method based on NTN provided according to an embodiment of the present disclosure. Communication method based on NTN As shown in FIG12B , the method includes steps S12210 to S12260.
- step S12210 if the UE wants to access the 5GC using satellite access, the UE initiates a registration request to the AMF.
- the registration request message contains the access type and RAT type.
- the RAT type indicates the access network used by the UE, for example, LEO-NR.
- the AMF can obtain the UE's subscription data (ie, subscription information) from the UDM through the Nudm_SDM_Get service operation.
- the UE's subscription data includes information indicating whether the UE has subscribed to support the store and forward feature.
- step S12230 based on the UE's subscription information and/or operator policy, the AMF authorizes the UE using satellite access to enable the store and forward feature.
- the UE is authorized with a token and the IP address of the server.
- the IP address of the server is used to indicate the server with which the UE can communicate to obtain the store and forward time information.
- step S12240 the AMF sends a registration acceptance message to the UE, which indicates that the UE is authorized to use the store and forward feature.
- the registration acceptance message also includes a token and the IP address of the server.
- step S12250 if the UE is authorized to use the store and forward feature, the UE sends a request message to the server using the token and the IP address of the server.
- the RAN provides the store-and-forward time information to the AMF.
- the RAN sends the store-and-forward time information to the AMF via the N2 procedure (exchanging configuration data using UE-independent N2 signaling) as in 4.2.7 of TS 23.502.
- the RAN sends the store-and-forward time information to the AMF via an NGAP message in the UE registration procedure as in 4.2.2.2.2 of TS 23.502.
- the UE is authorized (eg, based on the UE's subscription information and/or operator policy) to use the data store and forward feature.
- the RAN or 5GC network function (e.g., AMF or SMF) provides storage and forwarding time information to the UE.
- the storage and forwarding time information includes at least one of the following information elements: the start of data storage, and the data storage duration.
- indication information for indicating that the UE is authorized to use the store and forward feature may also be provided to the UE.
- the storage and forwarding time information can be sent to the UE using a NAS message (e.g., a message of registration acceptance, user configuration update process, etc.).
- a NAS message e.g., a message of registration acceptance, user configuration update process, etc.
- the storage and forward time information may be sent to the UE upon receiving a NAS message (eg, a registration accept message).
- a NAS message eg, a registration accept message
- the UE may obtain the storage and forwarding time information from an external server via a token.
- the token is assigned to the UE by the 5GC when the UE is authorized to use the store and forward feature.
- the UE is the terminal 101
- the RAN is the access network device 102
- the AMF is the first network element 1031
- the server is the second network element 1032
- the UDM is the third network element 1033 .
- part or all of the steps and their optional implementations may be arbitrarily combined with part or all of the steps in other embodiments, or may be arbitrarily combined with optional implementations of other embodiments.
- the embodiments of the present disclosure also provide a device for implementing any of the above methods.
- the embodiments of the present disclosure provide a device.
- the above device includes a unit or module for implementing each step performed by the terminal in any of the above methods.
- another device is also provided, including a unit or module for implementing each step performed by a network device (e.g., an access network device, or a core network device, etc.) in any of the above methods.
- a network device e.g., an access network device, or a core network device, etc.
- the division of the units or modules in the above devices is only a division of logical functions, which can be fully or partially integrated into one physical entity or physically separated in actual implementation.
- the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, instructions are stored in the memory, and the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the units or modules of the above devices, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory inside the device or a memory outside the device.
- CPU central processing unit
- microprocessor a microprocessor
- the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all units or modules can be realized by designing the hardware circuits.
- the above hardware circuits can be understood as one or more processors; for example, in one implementation, the above hardware circuit is an application-specific integrated circuit (ASIC), which is implemented by The design of the logical relationship of the components in the circuit realizes the functions of some or all of the above units or modules; for example, in another implementation, the above hardware circuit can be realized by a programmable logic device (PLD), taking a field programmable gate array (FPGA) as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured through a configuration file, so as to realize the functions of some or all of the above units or modules. All units or modules of the above device can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part in the form of software called by the processor, and the rest in the form of hardware circuits.
- the processor is a circuit with signal processing capability.
- the processor may be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which may be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor may implement certain functions through the logical relationship of a hardware circuit, and the logical relationship of the above hardware circuit may be fixed or reconfigurable, such as a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
- ASIC application-specific integrated circuit
- PLD programmable logic device
- the process of the processor loading a configuration document to implement the hardware circuit configuration may be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
- it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.
- NPU neural network processing unit
- TPU tensor processing unit
- DPU deep learning processing unit
- FIG13 is an exemplary structural diagram of an NTN-based communication device according to an embodiment of the present disclosure.
- an NTN-based communication device 1300 may include at least one of a sending module 1310 and a receiving module 1320 .
- the above-mentioned sending module 1310 can be used to execute at least one of the sending-related steps performed by the terminal 101 in any of the above methods (for example, step S4120, step S4210, step S4250, step S5110, step S5210, step S5230, step S7150, step S810, step S11210, step S12120, step S12210, step S12250, but not limited to this).
- the above-mentioned receiving module 1030 can be used to execute at least one of the reception-related steps performed by the terminal 101 in any of the above methods (for example, step S4150, step S4240, step S4260, step S5120, step S5220, step S5240, step S5410, step S7150, step S820, step S11110, step S11220, step S12150, step S12240, step S12260, but not limited to this).
- FIG14 is an exemplary structural diagram of a communication device based on NTN according to an embodiment of the present disclosure.
- a communication device based on NTN 1400 may include at least one of a sending module 1410 , a receiving module 1420 , and a processing module 1430 .
- the above-mentioned sending module 1410 can be used to execute at least one of the sending-related steps performed by the first network element 1031 in any of the above methods (for example, step S4150, step S4240, step S5120, step S5220, step S5410, step S7150, step S7240, step S11110, step S12150, but not limited to this).
- the above-mentioned receiving module 1420 can be used to execute at least one of the receiving-related steps performed by the first network element 1031 in any of the above methods (for example, step S4110, step S4120, step S4130, step S4210, step S4220, step S5110, step S5210, step S610, step S7110, step S7120, step S7130, step S7210, step S7220, step S910, step S1010, step S12110, step S12120, step S12130, step S12210, step S12220, but not limited to this).
- the above-mentioned processing module 1430 can be used to execute at least one of the determination-related steps (for example, step S4140, step S4230, step S7140, step S7230, step S12140, step S12230, but not limited to this) performed by the first network element 1031 in any of the above methods.
- the determination-related steps for example, step S4140, step S4230, step S7140, step S7230, step S12140, step S12230, but not limited to this
- FIG15 is an exemplary structural diagram of an NTN-based communication device according to an embodiment of the present disclosure.
- an NTN-based communication device 1500 may include at least one of a sending module 1510 and a receiving module 1520 .
- the above-mentioned sending module 1510 can be used to execute at least one of the sending-related steps (for example, step S4260, step S5240, step S820, step S11220, step S12260, but not limited to this) performed by the second network element 1032 in any of the above methods.
- the sending-related steps for example, step S4260, step S5240, step S820, step S11220, step S12260, but not limited to this
- the above-mentioned receiving module 1520 can be used to execute at least one of the reception-related steps of the second network element 1032 in any of the above methods (for example, step S4250, step S5230, step S810, step S11210, step S12250, but not limited to this).
- FIG16 is a schematic diagram of the structure of a communication device provided according to an embodiment of the present disclosure.
- the communication device 1600 may be a network device (e.g., an access network device or a core network device), or a terminal (e.g., a user device), or a chip, a chip system, or a processor that supports the network device to implement any of the above methods, or a chip that supports the terminal to implement any of the above communication methods.
- the communication device 1600 may be used to implement the communication method described in the above method embodiment, and the details may refer to the description in the above method embodiment.
- the communication device 1600 includes one or more processors 1601.
- the processor 1601 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
- the baseband processor may be used to process the communication protocol and the communication data
- the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a program, and process the data of the program.
- the processor 1601 is used to call instructions so that the communication device 1600 executes any of the above communication methods.
- the communication device 1600 further includes one or more memories 1602 for storing instructions.
- the memory 1602 may also be outside the communication device 1600.
- the communication device 1600 further includes one or more transceivers 1603.
- the communication steps such as sending and receiving in the above method are executed by the transceiver 1603, and the other steps are executed by the processor 1601.
- the transceiver may include a receiver and a transmitter, and the receiver and the transmitter may be separate or integrated.
- the terms such as transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be replaced with each other, the terms such as transmitter, transmission unit, transmitter, transmission circuit, etc. may be replaced with each other, and the terms such as receiver, receiving unit, receiver, receiving circuit, etc. may be replaced with each other.
- the communication device 1600 further includes one or more interface circuits 1604, which are connected to the memory 1602.
- the interface circuit 1604 can be used to receive signals from the memory 1602 or other devices, and can be used to send signals to the memory 1602 or other devices.
- the interface circuit 1604 can read instructions stored in the memory 1602 and send the instructions to the processor 1601.
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Abstract
Sont proposés dans les modes de réalisation de la présente divulgation un procédé et un appareil de communication reposant sur NTN, un dispositif de communication, ainsi qu'un système de communication et un support de stockage. Le procédé consiste à : recevoir un premier message provenant d'une première fonction de réseau, le premier message étant utilisé pour ordonner à un terminal autorisé d'utiliser une fonction de stockage et de transfert, et la fonction de stockage et de transfert étant utilisée pour transmettre des données du terminal dans un stockage et un mode de transfert pendant un accès NTN. Au moyen de la solution technique fournie dans les modes de réalisation de la présente divulgation, lorsqu'une liaison d'alimentation ne peut pas fournir une connexion continue dans un scénario NTN, une communication de service entre un côté terminal et un côté réseau est réalisée.
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| PCT/CN2023/106448 WO2025010573A1 (fr) | 2023-07-07 | 2023-07-07 | Procédé et appareil de communication reposant sur ntn, et dispositif de communication, système de communication et support de stockage |
| CN202380010024.2A CN119586174A (zh) | 2023-07-07 | 2023-07-07 | 基于ntn的通信方法和装置、通信设备、通信系统及存储介质 |
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| PCT/CN2023/106448 WO2025010573A1 (fr) | 2023-07-07 | 2023-07-07 | Procédé et appareil de communication reposant sur ntn, et dispositif de communication, système de communication et support de stockage |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020074745A1 (fr) * | 2018-10-12 | 2020-04-16 | Oq Technology S.À R.L. | Système de l'internet des objets de satellite |
| CN112332898A (zh) * | 2020-08-31 | 2021-02-05 | 航天科工空间工程发展有限公司 | 一种基于宽带存储转发模式的卫星通信方法和系统 |
| CN113271558A (zh) * | 2021-05-08 | 2021-08-17 | 东方红卫星移动通信有限公司 | 一种低轨卫星物联网中物联网信息传输方法、终端及系统 |
| WO2022140170A1 (fr) * | 2020-12-22 | 2022-06-30 | Intel Corporation | Améliorations apportées à des états inactifs et au repos de commande de ressources radio (rrc) et à une transition à un état connecté dans des réseaux cellulaires |
| WO2023108662A1 (fr) * | 2021-12-17 | 2023-06-22 | Oppo广东移动通信有限公司 | Procédé et appareil d'envoi de données, dispositif, et support de stockage |
-
2023
- 2023-07-07 WO PCT/CN2023/106448 patent/WO2025010573A1/fr active Pending
- 2023-07-07 CN CN202380010024.2A patent/CN119586174A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020074745A1 (fr) * | 2018-10-12 | 2020-04-16 | Oq Technology S.À R.L. | Système de l'internet des objets de satellite |
| CN112332898A (zh) * | 2020-08-31 | 2021-02-05 | 航天科工空间工程发展有限公司 | 一种基于宽带存储转发模式的卫星通信方法和系统 |
| WO2022140170A1 (fr) * | 2020-12-22 | 2022-06-30 | Intel Corporation | Améliorations apportées à des états inactifs et au repos de commande de ressources radio (rrc) et à une transition à un état connecté dans des réseaux cellulaires |
| CN113271558A (zh) * | 2021-05-08 | 2021-08-17 | 东方红卫星移动通信有限公司 | 一种低轨卫星物联网中物联网信息传输方法、终端及系统 |
| WO2023108662A1 (fr) * | 2021-12-17 | 2023-06-22 | Oppo广东移动通信有限公司 | Procédé et appareil d'envoi de données, dispositif, et support de stockage |
Non-Patent Citations (3)
| Title |
|---|
| CHINA MOBILE: "Pseudo-CR on FS 5GMARCH Key Issue Message store and forward", 3GPP DRAFT; S6-200744, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG6, no. e meeting; 20200514 - 20200526, 8 May 2020 (2020-05-08), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051882230 * |
| THALES, XIAOMI, NOVAMINT, TNO: "New SID: 5GC enhancement for satellite access Phase 2", 3GPP DRAFT; S2-2108164, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Electronic meeting; 20211018 - 20211022, 25 October 2021 (2021-10-25), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052062815 * |
| THALES: "New WID on IoT NTN enhancements", 3GPP DRAFT; RP-212940, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. TSG RAN, no. Electronic Meeting; 20211206 - 20211217, 29 November 2021 (2021-11-29), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052097078 * |
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