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Optical Engineering

Bit error rate analysis of free-space optical system with spatial diversity over strong atmospheric turbulence channel with pointing errors
Author(s): Prabu Krishnan; D. Sriram Kumar
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Paper Abstract

Free-space optical communication (FSO) is emerging as a captivating alternative to work out the hindrances in the connectivity problems. It can be used for transmitting signals over common lands and properties that the sender or receiver may not own. The performance of an FSO system depends on the random environmental conditions. The bit error rate (BER) performance of differential phase shift keying FSO system is investigated. A distributed strong atmospheric turbulence channel with pointing error is considered for the BER analysis. Here, the system models are developed for single-input, single-output–FSO (SISO-FSO) and single-input, multiple-output–FSO (SIMO-FSO) systems. The closed-form mathematical expressions are derived for the average BER with various combining schemes in terms of the Meijer’s G function.

Paper Details

Date Published: 15 December 2014
PDF: 6 pages
Opt. Eng. 53(12) 126108 doi: 10.1117/1.OE.53.12.126108
Published in: Optical Engineering Volume 53, Issue 12
Show Author Affiliations
Prabu Krishnan, National Institute of Technology, Tiruchirappalli (India)
D. Sriram Kumar, National Institute of Technology, Tiruchirappalli (India)

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