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Proceedings Paper

Frequency domain equalization of optical channel distortion in free-space optical wireless communications
Author(s): Mohsen Kavehrad; Sangwoo Lee; Binbin Wu
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Paper Abstract

In digital communications, as an alternative to conventional time domain equalization (TEQ), frequency domain equalization (FEQ) has been of interest, in particular for OFDM. In any optical channels, such as in fiber optic transmission or free-space optical communications (FSO), there can be channel dispersion, causing intersymbol interference (ISI). One feasible solution to this is FEQ of the distorted light signal by established theory of equalization. A new idea is presented that examines possibility of adaptive optical frequency-domain pulse shaping and equalization to remedy the optical channel dispersion problem in the light spectral domain.

Paper Details

Date Published: 2 October 2006
PDF: 6 pages
Proc. SPIE 6390, Broadband Access Communication Technologies, 63900H (2 October 2006); doi: 10.1117/12.686716
Show Author Affiliations
Mohsen Kavehrad, The Pennsylvania State Univ. (United States)
Sangwoo Lee, The Pennsylvania State Univ. (United States)
Binbin Wu, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 6390:
Broadband Access Communication Technologies
Raj Jain; Benjamin B. Dingel; Shozo Komaki; Shlomo Ovadia, Editor(s)

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