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Computer Science > Information Theory

arXiv:0806.3317 (cs)
[Submitted on 20 Jun 2008]

Title:Differential Transmit Diversity Based on Quasi-Orthogonal Space-Time Block Code

Authors:Chau Yuen, Yong Liang Guan, Tjeng Thiang Tjhung
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Abstract: By using joint modulation and customized constellation set, we show that Quasi-Orthogonal Space-Time Block Code (QO-STBC) can be used to form a new differential space-time modulation (DSTM) scheme to provide full transmit diversity with non-coherent detection. Our new scheme can provide higher code rate than existing DSTM schemes based on Orthogonal STBC. It also has a lower decoding complexity than the other DSTM schemes, such as those based on Group Codes, because it only requires a joint detection of two complex symbols. We derive the design criteria for the customized constellation set and use them to construct a constellation set that provides a wide range of spectral efficiency with full diversity and maximum coding gain.
Subjects: Information Theory (cs.IT)
Cite as: arXiv:0806.3317 [cs.IT]
  (or arXiv:0806.3317v1 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.0806.3317
Journal reference: Globecom 2004

Submission history

From: Chau Yuen [view email]
[v1] Fri, 20 Jun 2008 06:15:38 UTC (634 KB)
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