A New Phase Noise and Channel Estimate Method in CO-OFDM System

Qian Chen; Ye Cao; Min Jie Guo; Zheng Rong Tong

doi:10.4028/www.scientific.net/AMM.130-134.2936

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134A New Phase Noise and Channel Estimate Method in...

A New Phase Noise and Channel Estimate Method in CO-OFDM System

Abstract:

High phase noise and low phase noise have been consideration in CO-OFDM systems, respectively. The hybrid mitigation algorithm is optimized to approach to high phase noise and low phase noise environment, and a hybrid half-blind phase noise compensation algorithm is proposed, which could be suitable to shifty DFB laser linewidth. 4QAM and 16QAM are used to modulate binary signal. The new proposed phase noise compensation algorithm is considered a mitigation method which has the ability of half-blind self-adaptation. It deduces the coefficient matrix in high and low phase noise compensation matrix and could improve performance under high or low modulation index situation.

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Mechanical and Electronics Engineering III

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

2936-2939

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.2936

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Online since:

October 2011

Authors:

Qian Chen, Ye Cao, Min Jie Guo, Zheng Rong Tong

Keywords:

CO-OFDM, CPE Estimation, Phase Noise

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