Performance analyses of subcarrier BPSK modulation over M turbulence channels with pointing errors

Shuang Ma; Ya-tian Li; Jia-bin Wu; Tian-wen Geng; Zhiyong Wu

doi:10.1007/s11801-016-6054-x

Optoelectronics Letters ›› , Vol. 12 ›› Issue (3) : 221-225. DOI: 10.1007/s11801-016-6054-x

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Performance analyses of subcarrier BPSK modulation over M turbulence channels with pointing errors

Shuang Ma¹^,²^,^a ,
Ya-tian Li² ,
Jia-bin Wu¹^,² ,
Tian-wen Geng² ,
Zhiyong Wu²

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Abstract

An aggregated channel model is achieved by fitting the Weibull distribution, which includes the effects of atmospheric attenuation, M distributed atmospheric turbulence and nonzero boresight pointing errors. With this approximate channel model, the bit error rate (BER) and the ergodic capacity of free-space optical (FSO) communication systems utilizing subcarrier binary phase-shift keying (BPSK) modulation are analyzed, respectively. A closed-form expression of BER is derived by using the generalized Gauss-Lagueree quadrature rule, and the bounds of ergodic capacity are discussed. Monte Carlo simulation is provided to confirm the validity of the BER expressions and the bounds of ergodic capacity.

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Shuang Ma, Ya-tian Li, Jia-bin Wu, Tian-wen Geng, Zhiyong Wu. Performance analyses of subcarrier BPSK modulation over M turbulence channels with pointing errors. Optoelectronics Letters, , 12(3): 221‒225 https://doi.org/10.1007/s11801-016-6054-x

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