Coherence interference in optical wireless communication through scattering channels

Debbie Kedar; Shlomi Arnon

doi:10.1117/12.612084

12 September 2005 Coherence interference in optical wireless communication through scattering channels

Debbie Kedar, Shlomi Arnon

Proceedings Volume 5892, Free-Space Laser Communications V; 589208 (2005) https://doi.org/10.1117/12.612084
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Optical wireless communication performance through multi-scattering channels has been researched widely in recent years due to the increasing interest in laser satellite-ground links and urban optical wireless communication. The predominant sources of performance degradation have been identified as the spatial, angular and temporal spread of the propagating beam in the presence of a multi-scattering medium, which cause reduced power reception and inter-signal-interference (ISI), and noise due to background illumination and to receiver circuitry. In consequence, the signal-to-noise ratio (SNR) and the bit-error-rate (BER) are degraded. However, coherence effects due to multipath interference caused by a scattering propagation channel do not appear to have been treated in detail in the scientific literature. In this paper we attempt a theoretical analysis of coherence interference in optical wireless communication through scattering channels, and try to quantify the resultant performance degradation.

Citation Download Citation

Debbie Kedar and Shlomi Arnon "Coherence interference in optical wireless communication through scattering channels", Proc. SPIE 5892, Free-Space Laser Communications V, 589208 (12 September 2005); https://doi.org/10.1117/12.612084

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