Carrier Frequency Offset Estimation by Resampling-Free Uniform Particle Filter for CO-OFDM

Ruijie Wang,Xinwei Du,Changyuan Yu,Pooi Yuen Kam

Asia Communications and Photonics Conference 2021（2021）

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摘要

This paper proposes a resampling-free uniform particle filter to estimate the carrier frequency offset in CO-OFDM systems which solves the particle impoverishment problem and shows better noise and particle number tolerance com-pared with existing algorithms.

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关键词

carrier frequency offset estimation,resampling-free uniform particle filter,CO-OFDM systems,particle impoverishment problem,particle number tolerance,coherent optical orthogonal frequency-division multiplexing

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