Performance analysis of NOMA with generalised selection combining receivers

被引：9

作者：

Kumar, Vaibhav ^{[1
]}

Cardiff, Barry ^{[1
]}

Flanagan, Mark F. ^{[1
]}

机构：

[1] Univ Coll Dublin, Sch Elect & Elect Engn, Dublin 4, Ireland

来源：

ELECTRONICS LETTERS | 2019年 / 55卷 / 25期

基金：

爱尔兰科学基金会;

关键词：

radio receivers; diversity reception; probability; multi-access systems; comprehensive performance analysis; nonorthogonal multiple access system; maximal-ratio combining; closed-form expression; average achievable sum rate; outage probability; implemented receiver RF chains; practical receiver design; generalised selection combining receivers; NOMA;

D O I：

10.1049/el.2019.2948

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this Letter, the authors present a comprehensive performance analysis of a non-orthogonal multiple access (NOMA) system with generalised selection combining (GSC), which bridges the gap between the performance of NOMA with selection combining (SC) and NOMA with maximal-ratio combining (MRC). In particular, the authors derive a closed-form expression for an upper bound on the average achievable sum rate and an exact closed-form expression for the outage probability. The analysis reveals a tradeoff between the number of implemented receiver radio-frequency (RF) chains and the achieved performance and can be used to determine the appropriate number of paths to combine into a practical receiver design. A demonstrated agreement between the analytical and simulation results confirms the correctness of the analysis.

引用

页码：1364 / 1367

页数：3

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