Performance of APD-based binary PPM FSO systems

Kamran Kiasaleh

doi:10.1117/12.609593

12 September 2005 Performance of APD-based binary PPM FSO systems

Kamran Kiasaleh

Proceedings Volume 5892, Free-Space Laser Communications V; 58920S (2005) https://doi.org/10.1117/12.609593
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

The bit error rate of direct-detection, avalanche photodiode (APD) based free-space optical (FSO) communication systems is studied. The system of interest utilizes pulse-position modulation (PPM) and is subjected to scintillation due to optical turbulence. A weak turbulence (clear-air) scenario is considered for which the received signal intensity may be modelled as a log-normal random process. To arrive at the desired results, it is assumed that the system utilizes binary PPM (BPPM) modulation scheme. Furthermore, it is assumed that the receiver thermal noise is non-negligible and that the average signal intensity is large enough to justify a Gaussian approximation at the receiver. Numerical results are presented for the BPPM case to shed light on the impact of turbulence on the overall performance.

Citation Download Citation

Kamran Kiasaleh "Performance of APD-based binary PPM FSO systems", Proc. SPIE 5892, Free-Space Laser Communications V, 58920S (12 September 2005); https://doi.org/10.1117/12.609593

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