Performance analysis of free-space optical systems employing binary polarization shift keying signaling over gamma-gamma channel with pointing errors

Prabu Krishnan; D. Sriram Kumar

doi:10.1117/1.OE.53.7.076105

18 July 2014 Performance analysis of free-space optical systems employing binary polarization shift keying signaling over gamma-gamma channel with pointing errors

Prabu Krishnan, D. Sriram Kumar

Author Affiliations +

Optical Engineering, Vol. 53, Issue 7, 076105 (July 2014). https://doi.org/10.1117/1.OE.53.7.076105

Abstract

Free-space optics (FSO) has become one of the prominent solutions to the bandwidth limitation of radio frequency links. But, the FSO system performance is purely dependent on atmospheric conditions. Atmospheric turbulence, scintillation, and pointing errors are the major deteriorations in FSO communications. Multiple input multiple output (MIMO) or spatial diversity structure can improve the performance of the FSO system. The bit error rate (BER) performance of the MIMO FSO system employing binary polarization shift keying using optimal combining is analyzed. We have derived a closed form expression for the BER of the system, and the results are compared against the single input single output system.

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Prabu Krishnan and D. Sriram Kumar "Performance analysis of free-space optical systems employing binary polarization shift keying signaling over gamma-gamma channel with pointing errors," Optical Engineering 53(7), 076105 (18 July 2014). https://doi.org/10.1117/1.OE.53.7.076105

Published: 18 July 2014

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