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Published in: Wireless Personal Communications 4/2022

03-07-2022

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

Authors: Piyush Jain, N. Jayanthi, M. Lakshmanan

Published in: Wireless Personal Communications | Issue 4/2022

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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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Metadata
Title
Closed Form Expressions of AC and SER for Double GG Fading Distribution under EGC Scheme in FSO Communication System
Authors
Piyush Jain
N. Jayanthi
M. Lakshmanan
Publication date
03-07-2022
Publisher
Springer US
Published in
Wireless Personal Communications / Issue 4/2022
Print ISSN: 0929-6212
Electronic ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-022-09904-7

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