Experimental study of capacity approaching general LDPC coded non-uniform shaping modulation format

Changyu Lin, Zhen Qu, Tao Liu, Ding Zou, Ivan B Djordjevic

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

We experimentally demonstrate the efficiency of nonbinary GF(3)/GF(32) LPDC-coded non-uniform 9-QAM. We propose the non-uniform design method and low-complexity decoder. The proposed 9-QAM has >3dB gain in symbol OSNR compared to traditional binary LDPCcoded star-8-QAM.

Original languageEnglish (US)
JournalAsia Communications and Photonics Conference, ACP
DOIs
StatePublished - 2016

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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