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Article Dans Une Revue IEEE Photonics Technology Letters Année : 2011

Efficient frequency-domain implementation of block-LMS/CMA fractionally spaced equalization for coherent optical communications

Résumé

We introduce a computationally efficient frequency-domain implementation of a fractionally spaced block-least-mean-square (LMS) or block-constant-modulus-algorithm (CMA) equalizer. The proposed implementation is less complex than its time-domain counterpart. Besides, it lends itself naturally to high-throughput parallel architectures thanks to block-processing based on fast Fourier transforms. The resulting equalizer may be used for adaptive polarization-mode dispersion (PMD) equalization, or for joint adaptive compensation of chromatic dispersion (CD) and PMD in digital coherent receivers.
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hal-01196918 , version 1 (10-09-2015)

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Omid Zia-Chahabi, Raphaël Le Bidan, Michel Morvan, Christophe Laot. Efficient frequency-domain implementation of block-LMS/CMA fractionally spaced equalization for coherent optical communications. IEEE Photonics Technology Letters, 2011, 23 (22), pp.1697 - 1699. ⟨10.1109/LPT.2011.2166257⟩. ⟨hal-01196918⟩
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