Full-duplex user-centric communication using non-orthogonal multiple access

Sock Theng Ooi, Razali Ngah, Marwan Hadri Azmi

Abstract


This paper proposes an improved user-centric Non-Orthogonal Multiple Access (NOMA) communication in two-base station networks with in-band full duplex (IBFD) user. We derive the achievable rates of the proposed user-centric NOMA systems. For benchmarking purposes, we also derive the achievable rate for the user-centric system deploying conventional NOMA schemes, Orthogonal Multiple Access (OMA) schemes and point-point communication systems. We then analyze and simulate the performance of the proposed and all the benchmarked systems. We found that our proposed user-centric NOMA approach has a 64% improvement in the total achievable rate when compared to the benchmarked approach under similar power constraint.

Keywords


achievable rates; in-band fullduplex (IBFD); non-orthogonal multiple access (NOMA); successive interference cancellation (SIC); user-centric network (UCN)

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DOI: http://doi.org/10.12928/telkomnika.v17i5.12803

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TELKOMNIKA Telecommunication, Computing, Electronics and Control
ISSN: 1693-6930, e-ISSN: 2302-9293

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