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Optical Engineering

Iterative algorithm for phase noise estimation in coherent optical DFT-S OFDM systems
Author(s): Li Tao; Hui Tan; Chonghua Fang
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Paper Abstract

An iterative algorithm is proposed and investigated for phase noise estimation of discrete Fourier transform spread (DFT-S) orthogonal frequency division multiplexing (OFDM). Compared with common phase estimation (CPE), significant improvement of tolerance to laser bandwidth is obtained and 2.7 dB improvement at BER of 3.8×10−3 is found using the CPE-iter scheme in 103.3  Gb/s coherent polarization-division-multiplexed DFT-S OFDM system over 480-km transmission through simulation.

Paper Details

Date Published: 11 July 2017
PDF: 5 pages
Opt. Eng. 56(7) 076103 doi: 10.1117/1.OE.56.7.076103
Published in: Optical Engineering Volume 56, Issue 7
Show Author Affiliations
Li Tao, Science and Technology on Electromagnetic Compatibility Lab. (China)
Hui Tan, Science and Technology on Electromagnetic Compatibility Lab. (China)
Chonghua Fang, Science and Technology on Electromagnetic Compatibility Lab. (China)


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