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A Robustness and Low-Complexity Selection Criterion for Switching between Multiplexing and Diversity in MIMO Transmission

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Abstract

In this paper, we propose a new QR-based selection criterion with reduced complexity for the development of switching between spatial multiplexing (SM) and spatial diversity (SD) transmission. Then, we investigate an effect of the QR-decomposition processes by exploiting orthogonal structure of channel matrix. Additionally, to solve the problem of the error transmission mode in transmitter, we claim that the proposed QR-based detection at receiver can be used to form the successive interference cancellation (SIC) detection and orthogonal space-time block code (O-STBC) decoding for the SM transmission and the SD transmission, respectively. Simulation results show that the proposed scheme is capable of achieving optimum performance, but at a low-complexity level.

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Authors and Affiliations

  1. Department of Communication Engineering, National Chiao Tung University, 1001 Ta-Hsueh Rd., Hsinchu City, Hsinchu, 300, Taiwan

    Chien-Hung Pan

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  1. Chien-Hung Pan
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Correspondence to Chien-Hung Pan.

Additional information

Part of this work was presented at the 2007 IEEE Conference on Intelligent Transportation Systems (ITS), Seattle, WA, USA, Sept. 2007. This work is sponsored jointly by the National Science Council of in Taiwan.

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Pan, CH. A Robustness and Low-Complexity Selection Criterion for Switching between Multiplexing and Diversity in MIMO Transmission. Wireless Pers Commun 60, 171–190 (2011). https://doi.org/10.1007/s11277-010-9937-3

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  • DOI: https://doi.org/10.1007/s11277-010-9937-3

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