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03.07.2022

Closed Form Expressions of AC and SER for Double GG Fading Distribution under EGC Scheme in FSO Communication System

verfasst von: Piyush Jain, N. Jayanthi, M. Lakshmanan

Erschienen in: Wireless Personal Communications

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Abstract

FSO is one of the fast-growing fields towards the next generation of communication technology. FSO facilitates the requirement of high data rate. On the other hand, the impairments like, atmospheric turbulence and other nonlinear effects of optical link limits the overall system performance. To mitigate the effect of these impairments, different diversity combining schemes are implemented by different researchers. Also, it is noticeable that MGF based approach is more tractable compare to that of PDF based approach. However, performance analysis in terms of error rate and capacity under Equal Gain Combining (EGC) diversity scheme for Double Generalized Gamma fading distribution using MGF is missing from the literature of FSO. Therefore, this paper presents closed form expressions of Average Capacity (AC) and Symbol Error Rate (SER) of M-PSK and M-QAM for Double Generalized fading distribution under EGC scheme. Further, the effect of different turbulence conditions such as weak, moderate and strong turbulences is presented. Furthermore, respective AC and SER are used to deduce those over Double Weibull and Gamma-gamma as special cases of Double Generalized fading distribution. Increase in the number of diversity branches improve AC and SER of the system. Simulated results show perfect agreement with those available in the literature.
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Metadaten
Titel
Closed Form Expressions of AC and SER for Double GG Fading Distribution under EGC Scheme in FSO Communication System
verfasst von
Piyush Jain
N. Jayanthi
M. Lakshmanan
Publikationsdatum
03.07.2022
Verlag
Springer US
Erschienen in
Wireless Personal Communications
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-022-09904-7