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Title: Fading mitigation technique for MIMO in free space optical system
Authors: Jeyarani, J.
Kumar, D.S.
Ramya, S.
Issue Date: 2016
Citation: IC-GET 2015 - Proceedings of 2015 Online International Conference on Green Engineering and Technologies, 2016, Vol., , pp.-
Abstract: Free space optical (FSO) communications is the line of sight technology and its cost-effective and wide-bandwidth access technique for high data rates applications. In FSO system, the performance analysis over turbulence channels is limited, when using multiple apertures at both transmitter and receiver sides. Fading mitigation technique conditions is generalized to explore the ergodic capacity of multiple-input multiple-output (MIMO) system. The gamma-gamma distribution is used to analyze the fluctuations of the irradiance of optical channels distorted by atmospheric conditions. To evaluate the receiver performance analytically, we use an ?-? distribution to efficiently approximate probability density function (PDF) of the sum of independent and identical distributed ET RVs through moment-based estimators. The sum of independent and but not necessarily identically distributed RVs is used to efficiently approximate PDF of Distribution. High signal to noise ratio is achieved for fading scheme to get insights into impact of system and channel parameter on ergodic capacity. Monte-carlo simulations is validated in our proposed results. � 2015 IEEE.
Appears in Collections:2. Conference Papers

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