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Performance analysis of space-shift keying over negative-exponential and log-normal FSO channels 被引量:7
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作者 Mohamed Abaza raed mesleh +1 位作者 Ali Mansour el-Hadi Aggoune 《Chinese Optics Letters》 SCIE EI CAS CSCD 2015年第5期26-30,共5页
The average bit-error rate (ABER) performance of free-space optical (FSO) communication links is investigated for space-shift keying (SSK) over log-normal and negative-exponential atmospheric turbulence channels... The average bit-error rate (ABER) performance of free-space optical (FSO) communication links is investigated for space-shift keying (SSK) over log-normal and negative-exponential atmospheric turbulence channels. SSK is compared with repetition codes and a single-input single-output system using multiple pulse amplitude mod- ulations. Simulation results show that the signal-to-noise ratio gain of SSK largely increases with greater spectral efficiencies and/or higher turbulence effects. A tight bound for ABER is derived based on an exact moment generation function (MGF) for negative-exponential channel and an approximate MGF for log-normal channel. Finally, extensive Monte Carlo simulations are run to validate the analytical analysis. 展开更多
关键词 SSK Performance analysis of space-shift keying over negative-exponential and log-normal FSO channels FSO OVER
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