An Improved Feed-Forward Carrier Recovery Algorithm for Coherent Receivers With M -QAM Modulation Format

An improved feed-forward carrier phase recovery method is proposed for coherent receivers using M-ary quadrature amplitude modulation-based modulation formats. It is shown that by introducing multiple cascaded feed-forward carrier recovery stages, the required compute power can be significantly redu...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 22; no. 14; pp. 1051 - 1053
Main Author Zhou, Xiang
Format Journal Article
LanguageEnglish
Published IEEE 15.07.2010
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Summary:An improved feed-forward carrier phase recovery method is proposed for coherent receivers using M-ary quadrature amplitude modulation-based modulation formats. It is shown that by introducing multiple cascaded feed-forward carrier recovery stages, the required compute power can be significantly reduced compared to the prior art using the single-stage-based blind phase search method.
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ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2010.2049644