Statistical characteristics of free space optical systems employing reception spatial diversity

Jose Paulo G. de Oliveira

doi:10.1117/12.2060432

7 October 2014 Statistical characteristics of free space optical systems employing reception spatial diversity

Jose Paulo G. de Oliveira

Proceedings Volume 9224, Laser Communication and Propagation through the Atmosphere and Oceans III; 922418 (2014) https://doi.org/10.1117/12.2060432
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

Free space optical communication has become an attractive solution for data transmission due to its cost-effective, license-free and high bandwidth characteristics. The performance of such systems, however, is highly affected by the effects of optical turbulence. Multiple laser transmitters and/or multiple aperture receivers can be used to mitigate the turbulence fading by exploiting the advantages of spatial diversity. In this work, the performance of a link employing spatial diversity at the receiver was investigated by analyzing two figures of merit: Bit Error Rate and Link Availability. The statistical properties of the photocurrent generated at the receiver – required for evaluating Bit Error Rate and Link Availability – were obtained by means of computer simulation using the Monte Carlo method. The results presented here can be very helpful in designing a free space optical link with spatial diversity, since they are given in function of system configurations and impairment conditions.

Citation Download Citation

Jose Paulo G. de Oliveira "Statistical characteristics of free space optical systems employing reception spatial diversity", Proc. SPIE 9224, Laser Communication and Propagation through the Atmosphere and Oceans III, 922418 (7 October 2014); https://doi.org/10.1117/12.2060432

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