We considered the problem of use the reliability of unlicensed users for cooperative spectrum sensing in cognitive radio systems by analyzing the Huffman encoding algorithm. We present a novel cooperative spectrum sensing algorithm in cognitive radio systems. We drive the close-form expressions for the average sending bits for each unlicensed user for cooperation and expression for the probability of the detection and the false-alarm for the novel cooperative spectrum sensing scheme. Finally, we show through numerical results the potential cooperative spectrum sensing performance improvement with using the reliability of unlicensed users.


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    Titel :

    Cooperative Spectrum Sensing in Cognitive Radio Systems


    Beteiligte:
    Zheng, Xueqiang (Autor:in) / Cui, Li (Autor:in) / Chen, Juan (Autor:in) / Wu, Qihui (Autor:in) / Wang, Jinlong (Autor:in)


    Erscheinungsdatum :

    01.05.2008


    Format / Umfang :

    400498 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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