Space-time block coding in millimeter wave large-scale MIMO-NOMA transmission scheme

被引：5
|
作者：
Aghdam, Mohammad Reza Ghavidel [1 ]
Tazehkand, Behzad Mozaffari [1 ]
Abdolee, Reza [2 ]
Feghhi, Mahmood Mohassel [1 ]
机构：
[1] Univ Tabriz, Fac Elect & Comp Engn, Tabriz, Iran
[2] Calif State Univ Channel Isl, Dept Comp Sci, Camarillo, CA USA
来源：
INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS | 2020年 / 33卷 / 09期
关键词：
MIMO; NOMA; mmWave; STBC; optimal beamforming;
D O I：
10.1002/dac.4392
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 paper, we introduce a new wireless system architecture using space-time block coding schemes (STBC) and non-orthogonal multiple access (NOMA) in millimeter wave (mmWave) large-scale MIMO systems. The proposed STBC mmWave large-scale MIMO-NOMA system utilizes two MIMO subarrays, transmitting data over two channel vectors to mobile users. To reduce the communication overhead and latency in the system, we utilize random beamforming with optimal coefficients at the base station and random-near random-far user pairing in implementing the NOMA scheme. Our results show that the proposed STBC mmWave large-scale MIMO-NOMA technique significantly outperforms the previous counterparts.
引用
收藏
页数：8
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