Abstract
The optical wireless communication systems are rapidly gaining popularity
as effective means of transferring data at high rates over short distances.
These systems facilitate rapidly deployable, lightweight, high-capacity communication
without licensing fees and tariffs. On the other hand, the performance of
this new technology depends strongly on the atmospheric conditions and the
parameters of the link such as the length and the operation wavelength. In
this work, we extract closed form mathematical expression for the evaluation
of the average (ergodic) capacity of such a system, using the log-normal and
gamma–gamma distribution, in order to model the atmospheric turbulence
conditions and we study the influence of the above parameters on it.
© 2009 IEEE
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