A Single Symbol Maximum-Likehood Decoder for Four Transimit Antenna QOSTBC

Nai Qian Zhang; Li Biao Jin; Guo Cheng Wu; Jie Cong Lin

doi:10.4028/www.scientific.net/AMM.427-429.1502

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 427-429A Single Symbol Maximum-Likehood Decoder for Four...

A Single Symbol Maximum-Likehood Decoder for Four Transimit Antenna QOSTBC

Abstract:

This letter proposes a very low-complexity maximum likelihood (ML) detection algorithm for the quasi-orthogonal space-time block code (QOSTBC) with four transmits antennas. The low-complexity single-complex-symbol detection is based on QR decomposition and the expansion of equalization via a diagonal matrix transformation. The proposed strategy enables the QOSTBC to achieve ML performance with significant reduction in computational load for any high-level modulation scheme.

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Applied Mechanics and Materials (Volumes 427-429)

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1502-1505

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.427-429.1502

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Online since:

September 2013

Authors:

Nai Qian Zhang*, Li Biao Jin, Guo Cheng Wu, Jie Cong Lin

Keywords:

Maximum Likelihood, QR Decomposition, Quasi-Orthogonal Space-Time Block Code, Single-Complex-Symbol Detection

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