Accurate two-stage frequency offset estimation for coherent optical systems

We present a two-stage feedforward frequency offset estimation (FOE) algorithm on the basis of the phase-difference method. The first stage of the proposed FOE generates a rough FOE through averaging the phase difference between two adjacent symbols and compensates the signals. The second stage of t...

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Bibliographic Details
Main Authors: Huang, Dezhao, Cheng, Tee Hiang, Yu, Changyuan
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2013
Subjects:
Online Access:https://hdl.handle.net/10356/107172
http://hdl.handle.net/10220/18039
http://dx.doi.org/10.1109/LPT.2012.2232288
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Institution: Nanyang Technological University
Language: English