A reliable relay selection scheme for SSK modulation in cooperative communication systems

被引：0
作者：
Mohammad Esmaeili
Abbas Mohammadi
机构：
[1] Amirkabir University of Technology (Tehran Polytechnic),Electrical Engineering Department
来源：
Wireless Networks | 2018年 / 24卷
关键词：
Relay selection; SSK modulation; Cooperative system;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Space shift keying (SSK) modulation is a scheme in which the indices of active transmit antennas play an essential role in carrying information bits. In SSK modulation, the communication channel acts as modulating unit. Therefore, using the conventional relay selection schemes based on channel coefficients are impossible in cooperative systems using SSK modulation. In this paper, we propose a novel relay selection scheme that is applicable in cooperative systems using SSK modulation. The proposed scheme is based on calculating and measuring the Euclidean distances between received signal and all active or inactive channel coefficients. The proposed relay selection scheme is applied for a cooperative communication system with multiple relay nodes and a direct link between source and destination. The analytical expressions are derived to calculate the average bit error rate over Rayleigh fading channels. The analytical and simulation results show that this relay selection scheme can provide a full cooperative diversity order, for SSK modulation. In addition, we show that this scheme can be used at destination as a signal selection method, to select the best received signal from different paths. The analytical results are validated using Monte Carlo simulation studies.
引用
收藏
页码：1927 / 1937
页数：10
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