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IEICE TRANSACTIONS on Fundamentals

Performance Analysis of MIMO/FSO Systems Using SC-QAM Signaling over Atmospheric Turbulence Channels

Trung HA DUYEN, Anh T. PHAM

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Summary :

We theoretically study the performance of multiple-input multiple-output (MIMO) free-space optical (FSO) systems using subcarrier quadrature modulation (SC-QAM) signaling. The system average symbol-error rate (ASER) is derived taking into account the atmospheric turbulence effects on the MIMO/FSO channel, which is modeled by log-normal and the gamma-gamma distributions for weak and moderate-to-strong turbulence conditions. We quantitatively discuss the influence of index of refraction structure parameter, link distance, and different MIMO configurations on the system ASER. We also analytically derive and discuss the MIMO/FSO average (ergodic) channel capacity (ACC), which is expressed in terms of average spectral efficiency (ASE), under the impact of various channel conditions. Monte Carlo simulations are also performed to validate the mathematical analysis, and a good agreement between numerical and simulation results is confirmed.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E97-A No.1 pp.49-56
Publication Date
2014/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E97.A.49
Type of Manuscript
Special Section PAPER (Special Section on Wideband Systems)
Category
Foundations

Authors

Trung HA DUYEN
  Hanoi University of Science and Technology
Anh T. PHAM
  University of Aizu

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