An Efficient Maximum-Likelihood Detector for Four-Transmit-Antenna Quasi-Orthogonal Space-Time Block Code

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概要

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• This letter deals with computationally efficient maximumlikelihood (ML) detection for the quasi-orthogonal space-time block code (QOSTBC) with four transmit antennas. The proposed ML detector uses a permutation based real-valued equivalent channel matrix representation. As a result, the complexity of ML detection problem is moderated from O(2|A|2) to O(4|A|), where |A| is modulation order. Numerical results show that the proposed ML detector provides ML performance and achieves greatly high computational savings.

• （社）電子情報通信学会の論文
• 2008-02-01

著者

• KIM Hyounkuk

  Information and Communications University (ICU)

• PARK Hyuncheol

  Information and Communications University (ICU)

• Kim Hyounkuk

  Information And Communications Univ. (icu) Daejeon Kor

• Park Hyuncheol

  Information And Communications Univ. (icu) Daejeon Kor

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• An Efficient Maximum-Likelihood Detector for Four-Transmit-Antenna Quasi-Orthogonal Space-Time Block Code
• Improved Decision-Feedback Detection Schemes for STBC over Time-Selective Fading Channels
• Simplified Maximum-Likelihood Detection for a Coded DSTTD-OFDM System
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