Near-optimum detection for distributed space-time block coding under imperfect synchronization

F. C. Zheng*, A. G. Burr, S. Olafsson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

Significant performance gain can potentially be achieved by employing distributed space-time block coding (DSTBC) in ad hoc or mesh networks. So far, however, most research on D-STBC has assumed that cooperative relay nodes are perfectly synchronized. Considering the difficulty in meeting such an assumption in many practical systems, this paper proposes a simple and near-optimum detection scheme for the case of two relay nodes, which proves to be able to handle far greater timing misalignment than the conventional STBC detector.

Original languageEnglish
Pages (from-to)1795-1799
Number of pages5
JournalIEEE Transactions on Communications
Volume56
Issue number11
DOIs
Publication statusPublished - 2008

Bibliographical note

Funding Information:
Paper approved by N. Al-Dhahir, the Editor for Space-Time, OFDM and Equalization of the IEEE Communications Society. Manuscript received January 18, 2007; revised May 2, 2007 and August 24, 2007. This work was presented in part at the 8th IEEE International Workshop on Signal Processing Advances for Wireless Communication (SPAWC 2007), Helsinki, Finland, 17-20 June 2007. This work was supported by the UK EPSRC under Grant EP/E007139.

Other keywords

  • Cooperative diversity
  • Cooperative relay
  • Distributed space-time block coding
  • Distributed transmit diversity

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