光电子快报(英文版), 2014, 10 (2): 140, Published Online: Oct. 12, 2017   

An improved channel estimation algorithm for COOFDM system and its performance analysis

Author Affiliations
1 Shandong Key Laboratory of Optical Communication Science and Technology, School of Physics Science and InformationTechnology, Liaocheng University, Liaocheng 252059, China
2 State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications,Beijing 100876, China
3 School of Advanced Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
Abstract
We present an extra processing added to conventional least square (LS) channel estimation to further improve its performance in coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. The influence of noise, chromatic dispersion and polarization mode dispersion on the performance of the proposed algorithm is analyzed. The simulation results show that the improved algorithm has better performance and lower complexity.

ZHANG Shuai, BAI Shun-chang, BAI Cheng-lin, LUO Qing-long, FANG Wen-jing. An improved channel estimation algorithm for COOFDM system and its performance analysis[J]. 光电子快报(英文版), 2014, 10(2): 140.

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