RSMA-enabled satellite-terrestrial communication networks: Performance analysis

Hong-Nhu Nguyen, Quang Sang Nguyen and Tan N Nguyen

PLOS ONE, 2026, vol. 21, issue 8, 1-20

Abstract: This paper investigates the performance of a satellite-terrestrial communication system employing rate-splitting multiple access (RSMA) to accommodate multiple users. The study focuses on assessing the system’s ergodic sum rate and symbol error rate (SER) under shadowed-Rician fading conditions. By deriving closed-form expressions, we analyze the influence of various power allocation strategies on overall system performance. The results, substantiated by numerical simulations, demonstrate that RSMA yields significant improvements over conventional non-orthogonal multiple access (NOMA) with respect to spectral efficiency and interference management. These findings offer valuable insights for the development of more reliable and efficient satellite-terrestrial networks.

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0357013

DOI: 10.1371/journal.pone.0357013

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