Effect of particulates on performance of space optical communication and an adaptive method to minimize such effects

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Abstract

Decrease in signal to noise ratio and maximum bit rate, as well as increase in error probability in optical digital communication are caused by particulate light scatter in the atmosphere and in space. Two effects on propagation of laser pulses are described: (1) spatial widening of transmitted beam and (2) attenuation of pulse radiant power. Based on these results a model for reliability of digital optical communication in a particulate scattering environment is presented. Examples for practical communication systems are given. An adaptive method to improve and in some cases to make possible communication is suggested. Comparison and analysis of two models of communication systems for the particulate scattering channel are presented: (1) transmitter with high bit rate and receiver with avalanche photodiode and (2) transmitter with variable bit rate and a new model for an adaptive circuit in the receiver. An improvement of more than seven orders of magnitude in error probability under certain conditions is possible with the new adaptive system model.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Pages567-577
Number of pages11
StatePublished - 1 Dec 1995
Event9th Meeting on Optical Engineering in Israel - Tel-Aviv, Isr
Duration: 24 Oct 199426 Oct 1994

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume2426
ISSN (Print)0277-786X

Conference

Conference9th Meeting on Optical Engineering in Israel
CityTel-Aviv, Isr
Period24/10/9426/10/94

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