Journal of Beijing University of Posts and Telecommunications

  • EI核心期刊

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2009, Vol. 32 ›› Issue (2): 85-88.doi: 10.13190/jbupt.200902.85.dongy

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Adaptive Design for Quasi-Orthogonal Space-Time Block Codes

  

  • Received:2008-09-19 Revised:2008-12-23 Online:2009-04-28 Published:2009-04-28

Abstract:

To achieve full diversity and decrease decoding complexity, an adaptive design for quasiorthogonal spacetime block codes is proposed. Known of channel state information, the adaptive parameter can be calculated, and the input symbols can be coded in the designed structure. With the particular spacetime codes structure, symbols on different antenna are orthogonal to each other, and the received symbols can be singlesymbol decoded. Simulation shows that the adaptive scheme has obvious advantage compared with constellation rotation scheme. The limited feedback scheme is feasible and has almost the same optimal performance as the ideal full feedback scheme.

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