Handover Optimization Method for Cross-Seam in LEO Satellite Based on Orbital Information 


Vol. 50,  No. 10, pp. 1536-1544, Oct.  2025
10.7840/kics.2025.50.10.1536


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  Abstract

In the cross-seam of a LEO (low Earth orbit) satellite network, when a handover occurs between satellites in adjacent orbits, the absence of inter-plane ISLs (inter-satellite links) can lead to increased handover interruption time and routing instability. In this paper, we propose a method to reduce handover interruption time and routing instability in LEO satellite network in cross-seam regions, where ISLs between adjacent orbits are unavailable. The proposed handover method calculates the central longitude of the cross-seam using satellite orbital information and conducts handovers based on this longitude, minimizing changes in the orbits of the previously connected and newly connected satellites during cross-seam handover. Simulation results show that the proposed handover method reduces handover interruption time in the cross-seam.

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[IEEE Style]

H. Chu, T. Moon, T. Kim, H. Jeong, Y. Song, J. Kim, "Handover Optimization Method for Cross-Seam in LEO Satellite Based on Orbital Information," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 10, pp. 1536-1544, 2025. DOI: 10.7840/kics.2025.50.10.1536.

[ACM Style]

Heonwoo Chu, Taehan Moon, Tae-Yoon Kim, Hanjin Jeong, Yongmin Song, and Jae-Hyun Kim. 2025. Handover Optimization Method for Cross-Seam in LEO Satellite Based on Orbital Information. The Journal of Korean Institute of Communications and Information Sciences, 50, 10, (2025), 1536-1544. DOI: 10.7840/kics.2025.50.10.1536.

[KICS Style]

Heonwoo Chu, Taehan Moon, Tae-Yoon Kim, Hanjin Jeong, Yongmin Song, Jae-Hyun Kim, "Handover Optimization Method for Cross-Seam in LEO Satellite Based on Orbital Information," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 10, pp. 1536-1544, 10. 2025. (https://doi.org/10.7840/kics.2025.50.10.1536)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880