Performance analysis of MRC spatial diversity receiver system for satellite-to-ground downlink optical transmissions

Kangning Li; Jing Ma; Liying Tan; Siyuan Yu; Yubin Cao

doi:10.1117/12.2239478

19 October 2016 Performance analysis of MRC spatial diversity receiver system for satellite-to-ground downlink optical transmissions

Kangning Li, Jing Ma, Liying Tan, Siyuan Yu, Yubin Cao

Author Affiliations +

Proceedings Volume 10002, Optics in Atmospheric Propagation and Adaptive Systems XIX; 100020L (2016) https://doi.org/10.1117/12.2239478
Event: SPIE Remote Sensing, 2016, Edinburgh, United Kingdom

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.

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Kangning Li, Jing Ma, Liying Tan, Siyuan Yu, and Yubin Cao "Performance analysis of MRC spatial diversity receiver system for satellite-to-ground downlink optical transmissions", Proc. SPIE 10002, Optics in Atmospheric Propagation and Adaptive Systems XIX, 100020L (19 October 2016); https://doi.org/10.1117/12.2239478

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KEYWORDS

Receivers

Satellites

Optical communications

Satellite communications

Telecommunications

Atmospheric turbulence

Signal to noise ratio

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