Performance of power scaling-based quadrature spatial modulation systems with limited feedback

被引：0
|
作者：
Kim, Sangchoon [1 ]
机构：
[1] Dong A Univ, Dept Elect Engn, 37 Nakdong Daero,550beon Gil, Busan 604714, South Korea
来源：
IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING | 2019年 / 14卷 / 09期
关键词：
quadrature spatial modulation (QSM); spatial modulation (SM); power scaling factor; power allocation; Euclidean distance;
D O I：
10.1002/tee.22935
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：
A power scaling (PS) scheme is examined in quadrature spatial modulation (QSM) systems with limited feedback. Here, a scaling factor is introduced for weighing the modulated symbols in the transmitter. The minimum Euclidean distance metric is exploited to select scaling factors for QSM systems. It is shown via simulation results that the proposed power scaling-based quadrature spatial modulation systems provide better error performance than the conventional QSM with the limited feedback amount. Additionally, their error performance is compared with that of the PS-assisted spatial modulation systems. (c) 2019 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.
引用
收藏
页码：1342 / 1347
页数：6
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