Performance analysis of improved ZF algorithm for massive MIMO in uplink

被引：3
|
作者：
Younas, Talha [1 ]
Li, Jiandong [1 ]
Arshad, Jehangir [1 ]
Tulu, Muluneh Mekonnen [1 ]
机构：
[1] Xidian Univ, Xian, Shaanxi, Peoples R China
来源：
ELECTRONICS LETTERS | 2017年 / 53卷 / 23期
关键词：
MIMO communication; performance evaluation; cellular radio; performance analysis; ZF algorithm; massive MIMO; uplinks; large-scale MIMO systems; bandwidth efficiency; zero forcing algorithm; multicell scenarios; ANTENNAS;
D O I：
10.1049/el.2017.1609
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：
Performance of large-scale MIMO systems is restricted by pilot contamination, coherence block length, hardware impairments and other system parameters. In this Letter, the authors aim to improve the bandwidth efficiency (BE) of massive MIMO systems in multi-cell scenarios. An improved version of the zero forcing (ZF) algorithm is proposed, based on that new expressions for BE are derived. The authors have compared the proposed algorithm with the conventional ZF algorithm and simulation results show sufficient improvement of performance in terms of BE.
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页码：1554 / 1555
页数：2
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