# US 2026/0089596 A1 · Communication method and corresponding apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0089596 A1 - Document ID: US20260089596A1 - Status: Published application - Kind: A1 - Application number: 19/404,178 - Filed: 2025-12-01 - Published: 2026-03-26 - Earliest claimed: 2023-05-30 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Yunfei Qiao - Web page: https://patentgrep.com/patent/US20260089596A1 ## CPC - H04B 7/18558: {Arrangements for managing communications, i.e. for setting up, maintaining or releasing a call between stations} - H04W 36/14: Reselecting a network or an air interface - H04B 7/185: Space-based or airborne stations; {Stations for satellite systems}(H04B7/204 takes precedence) - H04W 36/0011: {for data sessions of end-to-end connection} - H04W 36/0033: {with transfer of context information} - H04W 84/06: Airborne or Satellite Networks (space-based or airborne stations H04B7/185) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract This application discloses a communication method, and is applicable to satellite communication or high-altitude platform communication. The method includes: An access network apparatus sends a first request to a target network apparatus; the target network apparatus sends a first response to the access network apparatus after configuring a context parameter of a first communication interface for communication with the access network apparatus; and the access network apparatus sets up the first communication interface with the target network apparatus based on the first response, and switches a corresponding communication interface from a second communication interface with a source network apparatus to the first communication interface. ## Claims ### Claim 1 A communication method, comprising: sending, by an access network apparatus, a first request to a target network apparatus, wherein the first request is for requesting to set up a first communication interface between the access network apparatus and the target network apparatus; receiving, by the access network apparatus, a first response from the target network apparatus, wherein the first response indicates that the target network apparatus has configured a context parameter of the first communication interface; setting up, by the access network apparatus, the first communication interface with the target network apparatus based on the context parameter of the first communication interface; and switching, by the access network apparatus, a corresponding communication interface from a second communication interface to the first communication interface, wherein the second communication interface is a communication interface between the access network apparatus and a source network apparatus. ### Claim 2 (depends on 1) The method according to claim 1, wherein the first request comprises a context identifier of the second communication interface, and the context identifier of the second communication interface is used by the target network apparatus to obtain a context parameter of the second communication interface from the source network apparatus; and the first response comprises an updated parameter, and the updated parameter is a parameter that is of the first communication interface and that changes relative to that of the second communication interface. ### Claim 3 (depends on 1) The method according to claim 1, wherein the first request comprises a context identifier of the first communication interface, and the context identifier of the first communication interface is used by the target network apparatus to configure the context parameter of the first communication interface. ### Claim 4 (depends on 3) The method according to claim 3, wherein before sending, by the access network apparatus, the first request to the target network apparatus, the method further comprises: receiving, by the access network apparatus, context parameters that are of the plurality of to-be-set-up communication interfaces and that are sent by the source network apparatus, wherein the context parameters of the plurality of to-be-set-up communication interfaces comprise the context parameter of the first communication interface. ### Claim 5 (depends on 3) The method according to claim 3, wherein the context identifier of the first communication interface is determined by the access network apparatus from a plurality of to-be-set-up communication interfaces based on an interface setup trigger condition; wherein the interface setup trigger condition comprises at least one of the following: validity duration of each to-be-set-up communication interface, a spatial position of the access network apparatus, an angle of the access network apparatus relative to a network apparatus to which each to-be-set-up communication interface belongs, a priority of each to-be-set-up communication interface, or use of each to-be-set-up communication interface. ### Claim 6 (depends on 1) The method according to claim 1, wherein the method further comprises: selecting, by the access network apparatus, the second communication interface for a terminal device from the plurality of communication interfaces, wherein each of the plurality of communication interfaces is a communication interface between the access network apparatus and a different network apparatus, and the second communication interface is a communication interface whose validity period and/or first weight meet/meets a communication requirement in the plurality of communication interfaces. ### Claim 7 (depends on 5) The method according to claim 5, wherein the second communication interface comprises a plurality of transport network layers TNLs, and the method further comprises: determining, by the access network apparatus from the plurality of TNLs based on a validity period of each TNL, a target TNL for binding the terminal device. ### Claim 8 (depends on 7) The method according to claim 7, wherein the validity period of the TNL is related to at least one of the spatial position of the access network apparatus, the angle of the access network apparatus relative to the network apparatus to which each to-be-set-up communication interface belongs, and a second weight of the TNL. ### Claim 9 An apparatus, comprising: at least one processor; and one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to: send a first request to a target network apparatus, wherein the first request is for requesting to set up a first communication interface between the access network apparatus and the target network apparatus; receive a first response from the target network apparatus, wherein the first response indicates that the target network apparatus has configured a context parameter of the first communication interface; set up the first communication interface with the target network apparatus based on the context parameter of the first communication interface; and switch a corresponding communication interface from a second communication interface to the first communication interface, wherein the second communication interface is a communication interface between the access network apparatus and a source network apparatus. ### Claim 10 (depends on 9) The apparatus according to claim 9, wherein the first request comprises a context identifier of the second communication interface, and the context identifier of the second communication interface is used by the target network apparatus to obtain a context parameter of the second communication interface from the source network apparatus; and the first response comprises an updated parameter, and the updated parameter is a parameter that is of the first communication interface and that changes relative to that of the second communication interface. ### Claim 11 (depends on 9) The apparatus according to claim 9, wherein the first request comprises a context identifier of the first communication interface, and the context identifier of the first communication interface is used by the target network apparatus to configure the context parameter of the first communication interface. ### Claim 12 (depends on 11) The apparatus according to claim 11, wherein the one or more memories further storing programming instructions for execution by the at least one processor to: receive context parameters that are of the plurality of to-be-set-up communication interfaces and that are sent by the source network apparatus, wherein the context parameters of the plurality of to-be-set-up communication interfaces comprise the context parameter of the first communication interface. ### Claim 13 (depends on 11) The apparatus according to claim 11, wherein the context identifier of the first communication interface is determined by the access network apparatus from a plurality of to-be-set-up communication interfaces based on an interface setup trigger condition; wherein the interface setup trigger condition comprises at least one of the following: validity duration of each to-be-set-up communication interface, a spatial position of the access network apparatus, an angle of the access network apparatus relative to a network apparatus to which each to-be-set-up communication interface belongs, a priority of each to-be-set-up communication interface, or use of each to-be-set-up communication interface. ### Claim 14 (depends on 9) The apparatus according to claim 9, wherein the one or more memories further storing programming instructions for execution by the at least one processor to: select the second communication interface for a terminal device from the plurality of communication interfaces, wherein each of the plurality of communication interfaces is a communication interface between the access network apparatus and a different network apparatus, and the second communication interface is a communication interface whose validity period and/or first weight meet/meets a communication requirement in the plurality of communication interfaces. ### Claim 15 (depends on 13) The apparatus according to claim 13, wherein the second communication interface comprises a plurality of transport network layers TNLs, and the one or more memories further storing programming instructions for execution by the at least one processor to: determine, from the plurality of TNLs based on a validity period of each TNL, a target TNL for binding the terminal device. ### Claim 16 (depends on 15) The apparatus according to claim 15, wherein the validity period of the TNL is related to at least one of the spatial position of the access network apparatus, the angle of the access network apparatus relative to the network apparatus to which each to-be-set-up communication interface belongs, and a second weight of the TNL. ### Claim 17 An apparatus, comprising: at least one processor; and one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to: receive a first request from an access network apparatus, wherein the first request is for requesting to set up a first communication interface between the access network apparatus and the target network apparatus; send a first response, wherein the first response indicates that the target network apparatus has configured a context parameter of the first communication interface; and communicate with the access network apparatus through the first communication interface. ### Claim 18 (depends on 17) The apparatus according to claim 17, wherein the first request comprises a context identifier of a second communication interface, and the one or more memories further storing programming instructions for execution by the at least one processor to: obtain a context parameter of the second communication interface from a source network apparatus based on the context identifier of the second communication interface; and determine an updated parameter based on the context parameter of the second communication interface, wherein the updated parameter is a parameter that is of the first communication interface and that changes relative to that of the second communication interface, wherein correspondingly, the first response comprises the updated parameter. ### Claim 19 (depends on 17) The apparatus according to claim 17, wherein the first request comprises a context identifier of the first communication interface, and the one or more memories further storing programming instructions for execution by the at least one processor to: configure the context parameter of the first communication interface based on the context identifier of the first communication interface. ### Claim 20 (depends on 19) The apparatus according to claim 19, wherein the one or more memories further storing programming instructions for execution by the at least one processor to: send the context identifier of the first communication interface and the context parameter of the first communication interface to a source network apparatus.