Satellite handover method and apparatus, computer program product, and electronic device

By constructing a satellite IAB network, the handover between high-orbit and low-orbit satellites is realized, solving the problems of long handover time and low efficiency, improving handover efficiency and convenience, and meeting different business needs.

WO2026052019A9 Publication Date: 2026-06-18CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER
Filing Date
2025-09-04
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

In existing technologies, satellite switching processes are time-consuming and inefficient, failing to meet the needs of different services, especially in terms of the poor ease of switching between high-orbit and low-orbit satellites.

⚗Method used

By constructing a satellite IAB network, high-orbit satellites are used as anchor points and low-orbit satellites are used as IAB nodes to realize the satellite IAB network. Satellite switching is carried out based on this network, including switching low-orbit or high-orbit satellites when the terminal meets the switching conditions, thereby reducing the interaction between satellites and the core network.

🎯Benefits of technology

It improves the efficiency and convenience of satellite switching, meets the needs of different types of services, increases the scope and applicability of applications, and reduces the interaction between satellites and the core network.

✦ Generated by Eureka AI based on patent content.

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Abstract

A satellite handover method and apparatus, a computer program product, and an electronic device, which relate to the technical field of satellite handover. The method comprises: using at least one geostationary Earth orbit satellite as an anchor IAB, using a plurality of low Earth orbit satellites as IAB nodes to construct a satellite IAB network, and performing communication between a terminal and a core network on the basis of the satellite IAB network (S110); when the terminal satisfies a handover condition, if there is one geostationary Earth orbit satellite in the satellite IAB network, performing handover from a low Earth orbit satellite to a new low Earth orbit satellite (S120); and if a plurality of geostationary Earth orbit satellites are present in the satellite IAB network, performing handover from a geostationary Earth orbit satellite to a new geostationary Earth orbit satellite, and then performing handover from the low Earth orbit satellite to the new low Earth orbit satellite by means of the new geostationary Earth orbit satellite, so as to achieve satellite handover (S130). The method improves satellite handover efficiency.
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