The performance of space shift keying for free-space optical communications over turbulent channels

被引：18
作者：
Abaza, Mohamed [1 ,2 ]
Mesleh, Raed [1 ,2 ]
Mansour, Ali [3 ]
Aggoune, El-Hadi M. [1 ,2 ]
机构：
[1] Univ Tabuk, Dept Elect Engn, Tabuk 71491, Saudi Arabia
[2] Univ Tabuk, SNCS Res Ctr, Tabuk 71491, Saudi Arabia
[3] ENSTA Bretagne, Lab STICC, F-29806 Brest 9, France
来源：
BROADBAND ACCESS COMMUNICATION TECHNOLOGIES IX | 2015年 / 9387卷
关键词：
Multiple-input multiple-output; free-space optical communications; space shift keying; repetition codes; pulse amplitude modulation; negative-exponential channel; log-normal channel; SYSTEMS; LINKS;
D O I：
10.1117/12.2076528
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：
This paper evaluates the performance of space shift keying (SSK) free-space optical communication (FSO) over moderate and strong turbulent channels. It has been shown previously that repetition codes (RCs) using intensity modulation with direct detection techniques are superior to SSK system for a spectral efficiency of 1 bit/s/Hz. It is shown in this study that SSK outperforms RCs using M-ary pulse amplitude modulation for spectral efficiencies of 3 bits/s/Hz or larger. Analytical expressions for the bit error rate for the SSK system under study are derived and extensive simulation results corroborate the correctness of the conducted analysis.
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页数：8
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