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Sum-Rate Maximization Based Relay Selection for Cooperative NOMA over Nakagami-m Fading

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<mark>Journal publication date</mark>1/11/2020
<mark>Journal</mark>IEEE Transactions on Vehicular Technology
Issue number11
Volume69
Number of pages5
Pages (from-to)13985-13989
Publication StatusPublished
Early online date18/09/20
<mark>Original language</mark>English

Abstract

This paper proposes a new sum-rate maximization based relay selection (RS) scheme for cooperative non-orthogonal multiple access (NOMA) networks over Nakagami-$m$ fading, where one base station communicates with two mobile users by means of multiple relays. The outage probability of the proposed scheme is derived in a closed-form expression, and the diversity order is also obtained. Simulation results are shown to compare the outage performance of the proposed scheme with that of the existing RS schemes.

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©2020 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.