Single-symbol-decodable differential space-time modulation based on QO-STBC

Chau Yuen*, Yong Liang Guan, Tjeng Thiang Tjhung

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

We present a novel differential space-time modulation (DSTM) scheme that is single-symbol decodable and can provide full transmit diversity. It is the first known single-symbol-decodable DSTM scheme not based on Orthogonal STBC (O-STBC), and it is constructed based on the recently proposed Minimum-Decoding-Complexity Quasi-Orthogonal Space-Time Block Code (MDC-QOSTBC). We derive the code design criteria and present systematic methodology to find the solution sets. The proposed DSTM scheme can provide higher code rate than DSTM schemes based on O-STBC. Its decoding complexity is also considerably lower than DSTM schemes based on Sp(2) and double-symbol-decodable QO-STBC, with negligible or slight trade-off in decoding error probability performance.

Original languageEnglish
Pages (from-to)3329-3334
Number of pages6
JournalIEEE Transactions on Wireless Communications
Volume5
Issue number12
DOIs
Publication statusPublished - Dec 2006
Externally publishedYes

ASJC Scopus Subject Areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Keywords

  • Differential space-time modulation
  • Quasi-orthogonal space-time block code
  • Single symbol decodable

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