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Proceedings Paper

Performance analysis of MRC spatial diversity receiver system for satellite-to-ground downlink optical transmissions
Author(s): Kangning Li; Jing Ma; Liying Tan; Siyuan Yu; Yubin Cao
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Paper Abstract

The performances of satellite-to-ground downlink optical communications over Gamma-Gamma distributed turbulence are studied for multiple apertures receiver system. Maximum ratio combining (MRC) technique is considered as a combining scheme to mitigate the atmospheric turbulence under thermal noise limited conditions. Bit-error rate (BER) performances for on-off keying (OOK) modulated direct detection optical communications are analyzed for MRC diversity receptions through an approximation method. To show the net diversity gain of multiple apertures receiver system, BER performances of MRC receiver system are compared with a single monolithic aperture receiver system with the same total aperture area (same average total incident optical power) for satellite-to-ground downlink optical communications. All the numerical results are also verified by Monte-Carlo (MC) simulations.

Paper Details

Date Published: 19 October 2016
PDF: 17 pages
Proc. SPIE 10002, Optics in Atmospheric Propagation and Adaptive Systems XIX, 100020L (19 October 2016); doi: 10.1117/12.2239478
Show Author Affiliations
Kangning Li, Harbin Institute of Technology (China)
Jing Ma, Harbin Institute of Technology (China)
Liying Tan, Harbin Institute of Technology (China)
Siyuan Yu, Harbin Institute of Technology (China)
Yubin Cao, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 10002:
Optics in Atmospheric Propagation and Adaptive Systems XIX
Karin U. Stein; John D. Gonglewski, Editor(s)

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