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【文件名】:06510@52RD_rsity Four Antenna Quasi-Orthogonal Space ... .pdf
【格 式】:pdf
【大 小】:161K
【简 介】:The Alamouti code [1], remarkable for having an elegant and simple linear receiver,became a paradigm in space-time block coding (STBC). Alamouti's idea for 2 trans-mit antennas was generalized by orthogonal designs [2, 3], which have full diversity and simple linear maximum-likelihood (ML) detectors that decouple the transmitted symbols. Unfortunately, the Hurwitz-Radon theorem showed that square, complex,linear processing orthogonal designs cannot achieve full diversity and full rate si-multaneously, except in the two transmit antenna case [2, 4]. However, recent work 1 in [5{7] realizes the possibility of designing orthogonal codes over subsets of the real
or complex plane for more than two transmit antennas.
【目 录】:
1 Introduction
2 Channel Model
3 The New Code
4 Performance
5 Conclusion
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