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Volume 46 Issue 9
Sep.  2024
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DAI Yeling, GUO Yan, ZHU Liwen, LIU Xiaoyu, DING Changfeng, LIN Min. Performance Analysis of Hybrid Multiple Access in Integrated Satellite-Terrestrial Networks with Different Decoding Schemes[J]. Journal of Electronics & Information Technology, 2024, 46(9): 3528-3536. doi: 10.11999/JEIT240176
Citation: DAI Yeling, GUO Yan, ZHU Liwen, LIU Xiaoyu, DING Changfeng, LIN Min. Performance Analysis of Hybrid Multiple Access in Integrated Satellite-Terrestrial Networks with Different Decoding Schemes[J]. Journal of Electronics & Information Technology, 2024, 46(9): 3528-3536. doi: 10.11999/JEIT240176

Performance Analysis of Hybrid Multiple Access in Integrated Satellite-Terrestrial Networks with Different Decoding Schemes

doi: 10.11999/JEIT240176
Funds:  The National Natural Science Foundation of China (62471255), The Open Research Fund of National Mobile Communications Research Laboratory, Southeast University (2024D11), The Postgraduate Research and Practice Innovation Program of Jiangsu Province (KYCX24_1178),The Talent Research Start-up Foundation of Nanjing University of Posts and Telecommunications (NY223024)
  • Received Date: 2024-03-15
  • Rev Recd Date: 2024-07-19
  • Available Online: 2024-08-03
  • Publish Date: 2024-09-26
  • The performance differences are investigated for terrestrial relay-assisted Integrated Satellite-Terrestrial Networks (ISTNs) when satellite employs different decoding schemes. Initially, a multi-user pairing scheme leveraging location information is proposed, and multiple users within the coverage area of satellite beam are divided into several groups. To improve transmission reliability and spectral efficiency, users communicate with satellite employing hybrid multiple access. Additionally, assuming that user-terrestrial relay links obey Nakagami-m fading while terrestrial relay-satellite link follows correlated shadowed-Rician fading, the closed-form expressions of outage probability and throughput are derived when the satellite adopts Successive Interference Cancellation (SIC) and Joint Decoding (JD) respectively. Finally, computer simulations validate the correctness of the theoretical analysis and the superiority of the proposed scheme compared with Orthogonal Multiple Access (OMA), and reveal that JD decoding scheme is feasible in the ISTNs.
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