A New Upper Bound for Free Space Optical ChannelCapacity Using a Simple Mathematical in Equality
Publish Year: 1391
Type: Journal paper
Language: English
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Document National Code:
JR_JIST-1-1_001
Index date: 10 April 2014
A New Upper Bound for Free Space Optical ChannelCapacity Using a Simple Mathematical in Equality abstract
In this paper, by using a simple mathematical inequality, we derive a $ new upper bound fkr the capacityof$ free space optical channel in coherent case. Then, by applying general fading distribution, we obtainan upper bound for mutual information in non-coherent case. Finally, we derive the correspondingoptimal input distributions for both coherent and non-coherent cases, compare the results with previousworks numerically and illustrate that our results subsume some of previous results in special cases
A New Upper Bound for Free Space Optical ChannelCapacity Using a Simple Mathematical in Equality Keywords:
Mathematical Inequality , Capacity , Upper Bound , Free Space Optical Channel , Optimal Input Distributions
A New Upper Bound for Free Space Optical ChannelCapacity Using a Simple Mathematical in Equality authors
Arezu Rezazadeh
Department of Electrical Engineering, Ferdowsi University of Mashhad
Ghosheh Abed Hodtani
Department of Electrical Engineering, Ferdowsi University of Mashhad