On array-processing-based quasi-orthogonal spacetime block-coded ofdm systems

Haixia Zhang, Dongfeng Yuan, Hsiao Hwa Chen

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

In this paper, we propose a quasi-orthogonal spacetime block coding (QO-STBC) orthogonal frequency-division multiplex (OFDM) scheme for its application in frequency-selective channels. A novel decoding approach for QO-STBC OFDM is introduced, and it works based on an array-processing technique. The received QO-STBC OFDM symbol array is decomposed by null spaces of the split-up channel matrices, followed by a parallel decoding unit, as an effort to reduce the computational complexity and latency induced by the decoding process. The performance of the proposed system is evaluated over frequency-selective channels by both analysis and computer simulations to show the effectiveness of the scheme.

Original languageEnglish
Article number5210213
Pages (from-to)508-513
Number of pages6
JournalIEEE Transactions on Vehicular Technology
Volume59
Issue number1
DOIs
Publication statusPublished - 2010 Jan 1

All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Aerospace Engineering
  • Electrical and Electronic Engineering
  • Applied Mathematics

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