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Yuan, J.G., Sun, X.M., Wang, Z., Zeng, L., Hu, X.Y. and Wu, Y.D. (2018) Research Progress on Decoding Algorithm of LDPC Codes in Optical Communication Systems. Laser Journal, 39, 1-7.

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• TITLE: Research of Multi-Rate LDPC Decoding in Optical Communication System

  AUTHORS: Wenhao Jin, Chunwu Liu

  KEYWORDS: LDPC, Multi-Rate, Decoding, Simulation

  JOURNAL NAME: Optics and Photonics Journal, Vol.10 No.6, June 29, 2020

  ABSTRACT: Low-density parity-check code (LDPC) not only has good performance approaching the Shannon limit, but also has low decoding complexity and flexible structure. It is a research hot-spot in the field of channel coding in recent years and has a wide range of application prospects in optical communication systems. In this paper, the decoding aspects and performance of LDPC codes are analyzed and compared according to the bit error rate (BER) of LDPC codes. The computer simulation was carried out under additive white Gaussian noise (AWGN) channel and binary phase shift keying (BPSK) modulation. Through theoretical analysis and simulation results, this paper explores the way of multi-rate LDPC decoding.