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    Robust Transceiver with Tomlinson-Harashima Precoding for Amplify-and-Forward MIMO Relaying Systems

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    Robust Transceiver with Tomlinson-Harashima Precoding for Amplify-and-Forward MIMO Relaying Systems (IEEE JSAC).pdf
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    Type
    Article
    Authors
    Xing, Chengwen
    Xia, Minghua
    Gao, Feifei
    Wu, Yik-Chung
    KAUST Department
    Communication Theory Lab
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Physical Science and Engineering (PSE) Division
    Date
    2012-08-23
    Preprint Posting Date
    2011-09-05
    Online Publication Date
    2012-08-23
    Print Publication Date
    2012-09
    Permanent link to this record
    http://hdl.handle.net/10754/251676
    
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    Abstract
    In this paper, robust transceiver design with Tomlinson-Harashima precoding (THP) for multi-hop amplifyand-forward (AF) multiple-input multiple-output (MIMO) relaying systems is investigated. At source node, THP is adopted to mitigate the spatial intersymbol interference. However, due to its nonlinear nature, THP is very sensitive to channel estimationerrors. In order to reduce the effects of channel estimation errors, a joint Bayesian robust design of THP at source, linear forwarding matrices at relays and linear equalizer at destination is proposed. With novel applications of elegant characteristics of multiplicative convexity and matrix-monotone functions, the optimal structure of the nonlinear transceiver is first derived. Based on the derived structure, the transceiver design problem reduces to a much simpler one with only scalar variables which can be efficiently solved. Finally, the performance advantage of the proposed robust design over non-robust design is demonstrated by simulation results.
    Citation
    Xing C, Xia M, Gao F, Wu Y-C (2012) Robust Transceiver with Tomlinson-Harashima Precoding for Amplify-and-Forward MIMO Relaying Systems. IEEE Journal on Selected Areas in Communications 30: 1370-1382. doi:10.1109/JSAC.2012.120907.
    Publisher
    Institute of Electrical and Electronics Engineers (IEEE)
    Journal
    IEEE Journal on Selected Areas in Communications
    DOI
    10.1109/JSAC.2012.120907
    arXiv
    1109.0847
    Additional Links
    http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=6280244
    http://arxiv.org/abs/1109.0847
    ae974a485f413a2113503eed53cd6c53
    10.1109/JSAC.2012.120907
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Communication Theory Lab; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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