A frequency-domain equalizer based on least mean square algorithm for direct-detection optical OFDM transmission system

Binhui Liu; Lin Chen; Jiangnan Xiao

doi:10.1117/12.2002344

20 March 2013 A frequency-domain equalizer based on least mean square algorithm for direct-detection optical OFDM transmission system

Binhui Liu, Lin Chen, Jiangnan Xiao

Author Affiliations +

Proceedings Volume 8768, International Conference on Graphic and Image Processing (ICGIP 2012); 876802 (2013) https://doi.org/10.1117/12.2002344
Event: 2012 International Conference on Graphic and Image Processing, 2012, Singapore, Singapore

Abstract

In order to overcome the defects of least squares (LS) estimator used to eliminate phase noise in the direct-detection (DD) optical orthogonal frequency division multiplexing (OOFDM) transmission system, we present an adaptive Least Mean Square (LMS) estimator which has the same computational complexity as LS estimator. The performance of the proposed estimator is evaluated in an experimental system with 2.5Gbits/s DD-OOFDM signal transmission over 100km standard single mode fiber (SSMF). The experimental results show that the performance of the system with LMS estimator is much better than that with LS estimator.

Citation Download Citation

Binhui Liu, Lin Chen, and Jiangnan Xiao "A frequency-domain equalizer based on least mean square algorithm for direct-detection optical OFDM transmission system", Proc. SPIE 8768, International Conference on Graphic and Image Processing (ICGIP 2012), 876802 (20 March 2013); https://doi.org/10.1117/12.2002344

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