Relaying scheme based on IDMA for MIMO relay networks

  • Authors:
  • Bin Zhang;Kai Niu;Zhiqiang He

  • Affiliations:
  • Beijing University of Posts and Telecommunications, Beijing, China;Beijing University of Posts and Telecommunications, Beijing, China;Beijing University of Posts and Telecommunications, Beijing, China

  • Venue:
  • WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
  • Year:
  • 2009

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Abstract

Interleave-division multiple access (IDMA) has recently been introduced in relay systems in order to exploit diversity gain. Combining with delay-diversity (DD), the relay scheme based on IDMA can support multiple users. In this paper, we extend the DD-IDMA relay scheme to MIMO relay networks employing spatial multiplexing. We also develop a symbol-by-symbol iterative detection method at the destination for the system. The performance of the MIMO relay system is assessed through simulation results.