The Application of MIMO to Non-Orthogonal Multiple Access

被引：668
|
作者：
Ding, Zhiguo [1 ,2 ]
Adachi, Fumiyuki [3 ]
Poor, H. Vincent [1 ]
机构：
[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
[2] Univ Lancaster, Sch Comp & Commun, Lancaster LA1 4WA, England
[3] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2016年 / 15卷 / 01期
基金：
英国工程与自然科学研究理事会; 美国国家科学基金会;
关键词：
Cognitive radio; multiple-input multiple-output (MIMO); non-orthogonal multiple access (NOMA); precoding design; DIVERSITY; TRADEOFF;
D O I：
10.1109/TWC.2015.2475746
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：
This paper considers the application of multiple-input multiple-output (MIMO) techniques to nonorthogonal multiple access (NOMA) systems. A new design of precoding and detection matrices for MIMO-NOMA is proposed and its performance is analyzed for the case with a fixed set of power allocation coefficients. To further improve the performance gap between MIMO-NOMA and conventional orthogonal multiple access schemes, user pairing is applied to NOMA and its impact on the system performance is characterized. More sophisticated choices of power allocation coefficients are also proposed to meet various quality-of-service requirements. Finally, computer simulation results are provided to facilitate the performance evaluation of MIMO-NOMA and also demonstrate the accuracy of the developed analytical results.
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页码：537 / 552
页数：16
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