Fading-loss assessment in atmospheric free-space optical communication links with on-off keying

Dirk Giggenbach; Hennes Henniger

doi:10.1117/1.2903095

1 April 2008 Fading-loss assessment in atmospheric free-space optical communication links with on-off keying

Dirk Giggenbach, Hennes Henniger

Author Affiliations +

Optical Engineering, Vol. 47, Issue 4, 046001 (April 2008). https://doi.org/10.1117/1.2903095

Abstract

Link-budget calculations are a common way to assess system parameters, such as the required transmitter power and receiver sensitivity, in free-space optical (FSO) communication systems. One of the biggest challenges for long-range FSO deployment is its signal propagation under turbulent atmospheric conditions, which produce intensity fluctuations. Methods to estimate atmospheric-fading loss in radio-frequency systems cannot be adapted to the FSO channel. Until now no general closed-form methods have been developed to describe the fading loss in such a channel. A method to calculate the losses due to scintillation fading in the threshold approach, based on lognormal statistics of the received power, is presented.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Dirk Giggenbach and Hennes Henniger "Fading-loss assessment in atmospheric free-space optical communication links with on-off keying," Optical Engineering 47(4), 046001 (1 April 2008). https://doi.org/10.1117/1.2903095

Published: 1 April 2008

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