Relay Selection for Cooperative NOMA

被引：411

作者：

Ding, Zhiguo ^{[1
,2
]}

Dai, Huaiyu ^{[3
]}

Poor, H. Vincent ^{[1
,2
]}

机构：

[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

[2] Univ Lancaster, Sch Comp & Commun, Lancaster LA1 4WA, England

[3] North Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC 27695 USA

来源：

IEEE WIRELESS COMMUNICATIONS LETTERS | 2016年 / 5卷 / 04期

基金：

美国国家科学基金会; 欧盟地平线“2020”; 英国工程与自然科学研究理事会;

关键词：

Non-orthogonal multiple access (NOMA); cooperative NOMA; relay selection; and max-min relaying; NONORTHOGONAL MULTIPLE-ACCESS;

D O I：

10.1109/LWC.2016.2574709

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This letter studies the impact of relay selection (RS) on the performance of cooperative non-orthogonal multiple access (NOMA). In particular, a two-stage RS strategy is proposed, and analytical results are developed to demonstrate that this two-stage strategy can achieve the minimal outage probability among all possible RS schemes, and realize the maximal diversity gain. The provided simulation results show that cooperative NOMA with this two-stage RS scheme outperforms that based on the conventional max-min approach, and can also yield a significant performance gain over orthogonal multiple access.

引用

页码：416 / 419

页数：4

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