Scaling Analysis of Hardware-Impaired Two-Way Full-Duplex Massive MIMO Relay

被引：13
|
作者：
Dey, Sauradeep [1 ]
Sharma, Ekant [1 ]
Budhiraja, Rohit [1 ]
机构：
[1] Indian Inst Technol Kanpur, Dept Elect Engn, Kanpur 208016, Uttar Pradesh, India
来源：
IEEE COMMUNICATIONS LETTERS | 2019年 / 23卷 / 07期
关键词：
Full-duplex; hardware impairment; relay;
D O I：
10.1109/LCOMM.2019.2918257
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We consider a multipair two-way full-duplex massive multiple-input multiple-output (mMIMO) hardware-impaired relay, and derive a novel closed-form spectral efficiency (SE) expression for the zero-forcing (ZF) relay processing. We scale the hardware impairments for an N-antenna relay as N-z with z >= 0, and analyze the asymptotic SE limits for three relay power scaling schemes. This current letter provides valuable insights in deciding favorable z values for the ZF relay processing, using which the hardware impairments can be scaled for the three relay power scaling schemes considered herein while maintaining a high SE.
引用
收藏
页码：1249 / 1253
页数：5
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