Communication method and apparatus

By assigning temporary identifiers and security parameters associated with non-terrestrial network devices to terminal devices, the communication performance and security issues caused by discontinuous power supply links in non-terrestrial network communication are resolved, achieving efficient and secure network access.

WO2026153197A1PCT designated stage Publication Date: 2026-07-23HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
HUAWEI TECH CO LTD
Filing Date
2026-01-07
Publication Date
2026-07-23

AI Technical Summary

Technical Problem

In non-terrestrial network communication, frequent movement of terminal equipment leads to discontinuity of the power supply link, making it difficult for existing technologies to effectively verify GUTI, resulting in poor communication performance and insufficient security.

Method used

By assigning temporary identifiers and security parameters to terminal devices, it is ensured that they are associated only with current non-terrestrial network devices for accessing those devices, thus avoiding the frequent use of permanent user identifiers and improving communication security and efficiency.

Benefits of technology

In scenarios with discontinuous power supply links, it improves communication performance and security, reduces storage overhead, and increases network access efficiency.

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Abstract

The present application relates to the field of communications. Provided are a communication method and apparatus, which are used for improving the communication performance and communication security in a scenario with a discontinuous feed link in non-terrestrial network communication. The method comprises: receiving first information, which comprises a first identifier allocated by a first non-terrestrial network device to a terminal device, wherein the first information is used for indicating an association relationship between the first non-terrestrial network device and the first identifier; and on the basis of a signal sent by the first non-terrestrial network device, sending a first message to the first non-terrestrial network device, wherein the first message is used for requesting access to the first non-terrestrial network device, and the first message comprises the first identifier.
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