Achievable Error Rate Performance Analysis of Space Shift Keying Systems with Imperfect CSI

被引：0
|
作者：
Kang, Jinkyu [1 ]
Jeong, Seongah [1 ]
Lee, Hoojin [2 ]
机构：
[1] Harvard Univ, Sch Engn & Appl Sci, 29 Oxford St, Cambridge, MA 02138 USA
[2] Hansung Univ, Dept Appl IT Engn, Seoul, South Korea
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2017年 / E100A卷 / 04期
关键词：
space shift keying (SSK); channel estimation error; bit error rate (BER); bit error floor (BEF); asymptotic analysis; signal-to-noise ratio (SNR) loss; SPATIAL MODULATION; CHANNEL ESTIMATION;
D O I：
10.1587/transfun.E100.A.1084
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, efficient closed-form formulas for the exact and asymptotic average bit error probability (ABEP) of space shift keying (SSK) systems are derived over Rayleigh fading channels with imperfect channel state information (CSI). Specifically, for a generic 2 x NR multiple input multiple-output (MIMO) system with the maximum likelihood (ML) detection, the impact of imperfect CSI is taken into consideration in terms of two types of channel estimation errors with the fixed variance and the variance as a function of the number of pilot symbols and signal-to-noise ratio (SNR). Then, the explicit evaluations of the bit error floor (BEF) and asymptotic SNR loss are carried out based on the derived asymptotic ABEP formula, which accounts for the impact of imperfect CSI on the SSK system. The numerical results are presented to validate the exactness of our theoretical analysis.
引用
收藏
页码：1084 / 1087
页数：4
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