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Performance analysis of FSO communication system with random jamming over composite Málaga turbulence fading channel
JOSA A- received 11/27/2023; accepted 04/16/2024; posted 04/17/2024; Doc. ID 514356
- Abstract: The performance analysis of a free space optical (FSO) communicationsystem in the presence of random jamming is presented over a Málaga () distributedchannel model with pointing errors and atmospheric attenuation. Firstly, the probabilitydensity function expressions of the transmission channel, signal-to-jamming ratio, andsignal-to-noise ratio are derived respectively. Then, considering the probability of thejammer and Gaussian white noise, the closed-form expressions for the ergodic channelcapacity, outage probability, and average bit error rate are derived, respectively. Moreover,asymptotic expressions for the aforementioned performance metrics are also derived toascertain the diversity gain of the system. Extensive Monte Carlo simulations areperformed to demonstrate the credibility of this theoretical analysis. Results indicate thatthe adverse impact of random jamming is higher than that of Gaussian noise for the FSOcommunication system. Besides, this observation highlights the pulsating nature of thejamming effect, showcasing that within high signal-to-jamming ratio regions, a lowprobability jammer exerts the most significant impact on the FSO system.