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A Comparison of Orthogonal and Quasi-Orthogonal Space-Time Block Codes for Fast Fading Channels
Jaekwon KIM Yong-Soo CHO
Publication
IEICE TRANSACTIONS on Communications
Vol.E88-B
No.7
pp.3069-3072 Publication Date: 2005/07/01 Online ISSN:
DOI: 10.1093/ietcom/e88-b.7.3069 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: space-time block code, MIMO, transmit diversity, fast fading,
Full Text: PDF>>
Summary:
This letter compares orthogonal space time codes and quasi-orthogonal codes when the wireless channels are fast fading. It is well known that a orthogonal space-time code is better than a quasi-orthogonal code in high signal-to-noise ratio (SNR) range and that a quasi-orthogonal code is better in low SNR range. In this letter, we show that a quasi-orthogonal space-time code is a better choice even in high SNR range when the channels are fast fading.
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