Improved Super-Orthogonal Space Time Codes for Fast Rayleigh Fading Channels 


Vol. 32,  No. 9, pp. 820-825, Sep.  2007


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  Abstract

Super-orthogonal space-time trellis code (SOTTC) uses the expanded set of the orthogonal space-time block code to obtain coding gain and diversity gain without loss of transmit rate. In SOSTTCs, signal set expansions are performed by rotating the first column of the code matrix. The rotating phases used previously were selected to avoid the signal constellation expansion rather than the performance improvement. In this paper, we make a design criterion to select the proper rotating phase to improve the performance of SOSTTCs for fast Rayleigh fading channels. In addition, we design improved SOSTTCs by using the proper rotating phase. Simulation results are also provided to confirm our SOSTTCs are superior to the previous SOSTTCs in the view of BER performance.

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  Cite this article

[IEEE Style]

C. Kim, S. W. Heo, H. Lee, "Improved Super-Orthogonal Space Time Codes for Fast Rayleigh Fading Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 9, pp. 820-825, 2007. DOI: .

[ACM Style]

Chang-Joong Kim, Seo Weon Heo, and Ho-Kyoung Lee. 2007. Improved Super-Orthogonal Space Time Codes for Fast Rayleigh Fading Channels. The Journal of Korean Institute of Communications and Information Sciences, 32, 9, (2007), 820-825. DOI: .

[KICS Style]

Chang-Joong Kim, Seo Weon Heo, Ho-Kyoung Lee, "Improved Super-Orthogonal Space Time Codes for Fast Rayleigh Fading Channels," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 9, pp. 820-825, 9. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880