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Open AccessFeature PaperArticle

Full-Duplex NOMA Transmission with Single-Antenna Buffer-Aided Relays

1
Department of Information and Communication Systems Engineering, University of the Aegean, 83200 Samos, Greece
2
General Department, National and Kapodistrian University of Athens, 34400 Psahna, Greece
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(12), 1482; https://doi.org/10.3390/electronics8121482
Received: 11 November 2019 / Revised: 29 November 2019 / Accepted: 3 December 2019 / Published: 4 December 2019
The efficient deployment of fifth generation and beyond networks relies upon the seamless combination of recently introduced transmission techniques. Furthermore, as multiple network nodes exist in dense wireless topologies, low-complexity implementation should be promoted. In this work, several wireless communication techniques are considered for improving the sum-rate performance of cooperative relaying non-orthogonal multiple access (NOMA) networks. For this purpose, an opportunistic relay selection algorithm is developed, employing single-antenna relays to achieve full-duplex operation by adopting the successive relaying technique. In addition, as relays are equipped with buffers, flexible half-duplex transmission can be performed when packets reside in the buffers. The proposed buffer-aided and successive single-antenna (BASSA-NOMA) algorithm is presented in detail and its operation and practical implementation aspects are thoroughly analyzed. Comparisons with other relevant algorithms illustrate significant performance gains when BASSA-NOMA is employed without incurring high implementation complexity. View Full-Text
Keywords: NOMA; full duplex; successive relaying; buffer-aided relaying NOMA; full duplex; successive relaying; buffer-aided relaying
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MDPI and ACS Style

Nomikos, N.; Trakadas, P.; Hatziefremidis, A.; Voliotis, S. Full-Duplex NOMA Transmission with Single-Antenna Buffer-Aided Relays. Electronics 2019, 8, 1482. https://doi.org/10.3390/electronics8121482

AMA Style

Nomikos N, Trakadas P, Hatziefremidis A, Voliotis S. Full-Duplex NOMA Transmission with Single-Antenna Buffer-Aided Relays. Electronics. 2019; 8(12):1482. https://doi.org/10.3390/electronics8121482

Chicago/Turabian Style

Nomikos, Nikolaos; Trakadas, Panagiotis; Hatziefremidis, Antonios; Voliotis, Stamatis. 2019. "Full-Duplex NOMA Transmission with Single-Antenna Buffer-Aided Relays" Electronics 8, no. 12: 1482. https://doi.org/10.3390/electronics8121482

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