QoS-aware Routing Algorithm in Satellite and Ground Integrated Networks 


Vol. 50,  No. 5, pp. 781-789, May  2025
10.7840/kics.2025.50.5.781


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  Abstract

Terrestrial networks face challenges in ensuring Quality of Service (QoS) due to limited coverage, especially in dead zones or long-distance communications. To address this, satellite-terrestrial integrated networks using Low Earth Orbit (LEO) satellites have gained attention. However, existing studies mainly consider transmission delay, neglecting the impact of long propagation distances, which hinders optimal routing. This paper proposes a utility-based QoS routing algorithm with a weighted Expected Propagation and Transmission Time (wEPTT) metric that accounts for both transmission and propagation delays. Experimental results show that wEPTT achieves lower latency and higher throughput than a conventional metric.

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[IEEE Style]

S. Lee, H. Choi, D. Ryoo, H. Kim, J. Kim, J. Park, H. Park, K. Kim, S. Ahn, S. Pack, "QoS-aware Routing Algorithm in Satellite and Ground Integrated Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 5, pp. 781-789, 2025. DOI: 10.7840/kics.2025.50.5.781.

[ACM Style]

Sanghoon Lee, Hongrok Choi, Dongkyun Ryoo, Haeun Kim, Junhyeong Kim, Jinho Park, Hyun Park, Kihun Kim, Sungjoon Ahn, and Sangheon Pack. 2025. QoS-aware Routing Algorithm in Satellite and Ground Integrated Networks. The Journal of Korean Institute of Communications and Information Sciences, 50, 5, (2025), 781-789. DOI: 10.7840/kics.2025.50.5.781.

[KICS Style]

Sanghoon Lee, Hongrok Choi, Dongkyun Ryoo, Haeun Kim, Junhyeong Kim, Jinho Park, Hyun Park, Kihun Kim, Sungjoon Ahn, Sangheon Pack, "QoS-aware Routing Algorithm in Satellite and Ground Integrated Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 50, no. 5, pp. 781-789, 5. 2025. (https://doi.org/10.7840/kics.2025.50.5.781)
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pISSN : 1226 - 4717
eISSN : 2287 - 3880