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Performance analysis of space-shift keying over negative-exponential and log-normal FSO channels

Abstract : 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 modulations. 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.
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https://hal.univ-brest.fr/hal-01147588
Contributor : Mohamed Abaza <>
Submitted on : Thursday, April 30, 2015 - 4:14:51 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:29 PM

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Mohamed Abaza, Raed Mesleh, Ali Mansour, El-Hadi Aggoune. Performance analysis of space-shift keying over negative-exponential and log-normal FSO channels. Chinese Optics Letters, Optical Society of America (imprimé) / OSA publishing (en ligne), 2015, 13 (5), pp.5. ⟨10.3788/COL201513.051001⟩. ⟨hal-01147588⟩

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