Abstract
In this paper, we present a novel analytical model for optical scattering communications over Málaga distributed irradiance fluctuation. The distribution of the received signal is quantified with each scattered optical path following Málaga distribution in the scattering communication links. The model efficiently includes the scattering by the off-axis eddies, in addition to the eddies on the propagation axis over a non-line-of-sight (NLOS) link, thus permitting accurate evaluation of the scattered ultraviolet (UV) communication. It is shown that as the effective number of large-scale cells reduces in the lower atmospheric channel, the probability density function (PDF) of the received signal-to-noise ratio (SNR) spreads widely with large variance and impacts the performance of optical scattering communications. Moreover, based on the derived model, closed-form expressions for the average bit error rate and the outage probability are also presented.
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