Ergodic capacity and outage capacity analysis for multiple-input single-output free-space optical communications over composite channels

Jin-Yuan Wang; Jun-Bo Wang; Ming Chen; Nuo Huang; Lin-Qiong Jia; Rui Guan

doi:10.1117/1.OE.53.1.016107

7 January 2014 Ergodic capacity and outage capacity analysis for multiple-input single-output free-space optical communications over composite channels

Jin-Yuan Wang, Jun-Bo Wang, Ming Chen, Nuo Huang, Lin-Qiong Jia, Rui Guan

Author Affiliations +

Optical Engineering, Vol. 53, Issue 1, 016107 (January 2014). https://doi.org/10.1117/1.OE.53.1.016107

Abstract

Free-space optical (FSO) communications have attracted significant attention recently. The ergodic capacity and outage capacity of a multiple-input single-output FSO communication system are investigated. Initially, a composite channel model including distance-dependant atmospheric loss, pointing error, and atmospheric turbulence is derived. To show different weather conditions, both the weak and strong atmospheric turbulence conditions are taken into account. Moreover, the statistical characteristics of two composite channels (i.e., weak turbulence composite channels and strong turbulence composite channels) are provided. Furthermore, approximated expressions of the ergodic capacity and closed-form expressions of the outage capacity are derived under the two composite channels, respectively. Numerical results finally substantiate that the derived theoretical expressions can provide a very good approximation to the simulation results.

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Jin-Yuan Wang, Jun-Bo Wang, Ming Chen, Nuo Huang, Lin-Qiong Jia, and Rui Guan "Ergodic capacity and outage capacity analysis for multiple-input single-output free-space optical communications over composite channels," Optical Engineering 53(1), 016107 (7 January 2014). https://doi.org/10.1117/1.OE.53.1.016107

Published: 7 January 2014

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