Performance Analysis of Coherent FSO-OFDM Systems with Frequency Offset

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In this letter, we investigate the performance of coherent free-space optical (FSO)-orthogonal frequency division multiplexing (OFDM) systems with multiple receivers over an atmospheric turbulence channel considering the frequency offset effect. In particular, we derive an exact average bit error probability (ABEP) of coherent FSO-OFDM systems in a turbulence-induced fading channel. To mitigate the atmospheric turbulence-induced amplitude fluctuations and phase aberrations, a modal compensation technique is assumed to be employed at the receivers. Numerical results confirm the validity of the derived ABEP expression.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2016-11
Language
English
Article Type
Article
Citation

IEEE COMMUNICATIONS LETTERS, v.20, no.11, pp.2189 - 2192

ISSN
1089-7798
DOI
10.1109/LCOMM.2016.2600650
URI
http://hdl.handle.net/10203/214224
Appears in Collection
EE-Journal Papers(저널논문)
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