This paper considers differential amplify-and-forward (D-AF) relaying system employing differential encoding and decoding over time-varying fading channels. A practical multiple-symbol differential sphere detection (MSDSD) is designed to overcome the error floor, which the convectional 'two-symbol' differential detection (CDD) reaches at high signal-to-noise ratio region in fast-fading channels. The simulation results show that the proposed MSDSD can significantly improve the system performance in fast-fading channels.


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    Title :

    Multiple-Symbol Differential Sphere Detection for Amplify-and-Forward over Time-Varying Relaying Channel


    Contributors:
    Gao, Fengyue (author) / Dong, Feihong (author) / Kong, Lei (author) / Yu, Rui (author)


    Publication date :

    2016-05-01


    Size :

    250682 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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