Combine LDPC codes over GF(q) with q-ary modulations for bandwidth efficient transmission

Bo Rong*, Tao Jiang, Xiangming Li, Mohammad Reza Soleymani

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

Low-density parity-check (LDPC) codes are playing more and more important role in digital broadcasting standards due to their excellent error correction performance. In this paper, we study the combination of LDPC codes over GF(q) with q-ary modulations for bandwidth efficient transmission over AWGN channel and consider the design of the codes. Specifically, we develop the concept of quasi-regular codes, and propose an improved Monte Carlo method to optimize the quasi-regular codes. To justify the performance of our proposed scheme, simulation results are presented and analysed.

Original languageEnglish
Article number4405581
Pages (from-to)78-83
Number of pages6
JournalIEEE Transactions on Broadcasting
Volume54
Issue number1
DOIs
Publication statusPublished - Mar 2008
Externally publishedYes

Keywords

  • Bandwidth efficient transmission
  • LDPC codes
  • Monte Carlo method
  • q-ary modulations

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