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Low-Complexity Relay Selection for Full-Duplex Random Relay Networks

Author

Listed:
  • Jonghyun Bang

    (SK Telecom Co., Ltd., Seoul 04539, Republic of Korea)

  • Taehyoung Kim

    (School of Electrical Engineering, Kookmin University, Seoul 02707, Republic of Korea)

Abstract

Full-duplex relay networks have been studied to enhance network performance under the assumption that the number and positions of relay nodes are fixed. To account for the practical randomness in the number and locations of relays, this paper investigates full-duplex random relay networks (FDRRNs) where all nodes are randomly distributed following a Poisson point process (PPP) model. In addition, we propose a low-complexity relay selection algorithm that constructs the candidate relay set while considering the selection diversity gain. Our simulation results demonstrate that, rather than simply increasing the number of candidate relay nodes, selecting an appropriate candidate relay set can achieve significant performance enhancement without unnecessarily increasing system complexity.

Suggested Citation

  • Jonghyun Bang & Taehyoung Kim, 2025. "Low-Complexity Relay Selection for Full-Duplex Random Relay Networks," Mathematics, MDPI, vol. 13(6), pages 1-15, March.
    • Handle: RePEc:gam:jmathe:v:13:y:2025:i:6:p:971-:d:1612845
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