Low-density parity-check codes used for polarization mode dispersion mitigation in 40-Gb/s optical fiber system

Lixia Xi Lixia Xi,Xiaoguang Zhang Xiaoguang Zhang,Haoran Chen Haoran Chen,Minliang Li Minliang Li,Dahai Han Dahai Han

doi:10.1049/cp.2011.1080

Low-density parity-check codes used for polarization mode dispersion mitigation in 40-Gb/s optical fiber system

Lixia Xi Lixia Xi, Xiaoguang Zhang Xiaoguang Zhang + Show 3 more

https://doi.org/10.1049/cp.2011.1080

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Publication Date: Jan 1, 2011

Affiliation: Beijing University of Posts and Telecommunications

#Reed-Solomon #Low-density Parity-check Codes + Show 8 more

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Abstract

Instead of Reed-Solomon (RS) code, Low-density parity-check (LDPC) codes are used with distributed fast polarization scramblers (FPSs) for polarization mode dispersion (PMD) mitigation in 40-Gb/s optical fiber system. The scrambling speed of FPS for LDPC (2040, 1903) codes system is discussed, the optimal speed 10MHz is obtained. The correction performance of LDPC codes are compared with RS codes. Results show the LDPC code can achieve a better performance than the RS (255, 239) code at a similar redundancy with soft decoding. (3 pages)

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