Quantifying the Transmit Diversity Order of Euclidean Distance Based Antenna Selection in Spatial Modulation

被引：54
|
作者：
Rajashekar, Rakshith [1 ]
Hari, K. V. S. [1 ]
Hanzo, L. [2 ]
机构：
[1] Indian Inst Sci, Dept Elect Commun Engn, Bangalore, Karnataka, India
[2] Univ Southampton, Sch ECS, Southampton SO9 5NH, Hants, England
来源：
IEEE SIGNAL PROCESSING LETTERS | 2015年 / 22卷 / 09期
基金：
英国工程与自然科学研究理事会;
关键词：
Antenna selection; diversity; limited feedback; spatial modulation; switching gain; CHANNEL ESTIMATION; FEEDBACK;
D O I：
10.1109/LSP.2015.2408574
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 letter, we quantify the transmit diversity order of the SM system operating in a closed-loop scenario. Specifically, the SM system relying on Euclidean distance based antenna subset selection (EDAS) is considered and the achievable diversity gain is evaluated. Furthermore, the resultant trade-off between the achievable diversity gain and switching gain is studied. Simulation results confirm our theoretical results. Specifically, at a symbol error rate of about 10(-4) the signal-to-noise ratio gain achieved by EDAS is about 7 dB in case of 16-QAM and about 5 dB in case of 64-QAM.
引用
收藏
页码：1434 / 1437
页数：4
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