Analysis and construction of full-diversity joint network-LDPC codes for cooperative communications

Dieter Duyck, Daniele Capirone, Joseph J. Boutros, Marc Moeneclaey

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Transmit diversity is necessary in harsh environments to reduce the required transmit power for achieving a given error performance at a certain transmission rate. In networks, cooperative communication is a well-known technique to yield transmit diversity and network coding can increase the spectral efficiency. These two techniques can be combined to achieve a double diversity order for a maximum coding rate R c =2/3 on the Multiple-Access Relay Channel (MARC), where two sources share a common relay in their transmission to the destination. However, codes have to be carefully designed to obtain the intrinsic diversity offered by the MARC. This paper presents the principles to design a family of full-diversity LDPC codes with maximum rate. Simulation of the word error rate performance of the new proposed family of LDPC codes for the MARC confirms the full diversity.

Original languageEnglish
Article number805216
JournalEurasip Journal on Wireless Communications and Networking
Volume2010
DOIs
Publication statusPublished - 18 Oct 2010

ASJC Scopus subject areas

  • Signal Processing
  • Computer Science Applications
  • Computer Networks and Communications

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