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Proceedings Paper

Chromatic dispersion compensation using two pilot tones in optical OFDM systems
Author(s): Lilong Liu; Xuelin Yang; Weisheng Hu
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Paper Abstract

We propose a novel approach to compensate the fiber chromatic dispersion (CD) and to adjust the phase/amplitude using two pilot tones in fiber optical OFDM transmission. In the conventional channel estimation methods, one or more symbols have to be applied as the pilot tones. The new approach makes full use of the fiber CD properties while using less pilot tones. The simulations show a significant improvement (~ 2 dB) of the optical OFDM signal in terms of the bit error rate (BER) penalty, compared with the conventional least-square (LS) linear interpolation and one-reference-symbol methods.

Paper Details

Date Published: 14 December 2011
PDF: 6 pages
Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 830937 (14 December 2011); doi: 10.1117/12.914420
Show Author Affiliations
Lilong Liu, Shanghai Jiao Tong Univ. (China)
Xuelin Yang, Shanghai Jiao Tong Univ. (China)
Weisheng Hu, Shanghai Jiao Tong Univ. (China)

Published in SPIE Proceedings Vol. 8309:
Optical Transmission Systems, Subsystems, and Technologies IX
Xiang Liu, Editor(s)

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