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    Simplified Relay Algorithm for Two-Way MIMO Relay Communications

    Access Status
    Fulltext not available
    Authors
    Rong, Yue
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Rong, Yue. 2011. Simplified Relay Algorithm for Two-Way MIMO Relay Communications, in 17th Asia-Pacific Conference on Communications (APCC2011), Oct 2-5 2011. Sabah, Malaysia: IEEE.
    Source Title
    Proceedings of the 17th Asia-Pacific Conference on Communications
    Source Conference
    17th Asia-Pacific Conference on Communications
    DOI
    10.1109/APCC.2011.6152820
    ISBN
    978-1-4577-0390-4
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/24117
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, we investigate the challenging problem of joint source and relay optimization for two-way linear non-regenerative multiple-input multiple-output (MIMO) relay communication systems. First, a novel relay amplifying matrix is proposed which significantly reduces the computational complexity of the optimal relay design with only a marginal performance degradation. Interestingly, we show that the proposed relay matrix is indeed optimal for some special cases. Second, a semidefinite programming (SDP)-based source matrices optimization algorithm is developed. Then the source and relay optimization algorithms are carried out iteratively to minimized the sum mean squared error of the signal waveform estimation in a two-way MIMO relay system. The performance of the proposed algorithm is demonstrated by numerical simulations.

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