Lasers, Fiber Optics, and Communications

Ergodic channel capacity of spatial correlated multiple-input multiple-output free space optical links using multipulse pulse-position modulation

[+] Author Affiliations
Huiqin Wang, Xue Wang, Minghua Cao

Lanzhou University of Technology, School of Computer and Communication, Lanzhou, China

Opt. Eng. 56(2), 026103 (Feb 01, 2017). doi:10.1117/1.OE.56.2.026103
History: Received November 17, 2016; Accepted January 18, 2017
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Abstract.  The spatial correlation extensively exists in the multiple-input multiple-output (MIMO) free space optical (FSO) communication systems due to the channel fading and the antenna space limitation. Wilkinson’s method was utilized to investigate the impact of spatial correlation on the MIMO FSO communication system employing multipulse pulse-position modulation. Simulation results show that the existence of spatial correlation reduces the ergodic channel capacity, and the reception diversity is more competent to resist this kind of performance degradation.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Huiqin Wang ; Xue Wang and Minghua Cao
"Ergodic channel capacity of spatial correlated multiple-input multiple-output free space optical links using multipulse pulse-position modulation", Opt. Eng. 56(2), 026103 (Feb 01, 2017). ; http://dx.doi.org/10.1117/1.OE.56.2.026103


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