In this paper we investigate the secure throughput of selective decode-and-forward relaying where the legitimate transmitter has no knowledge of the instantaneous channel state information with respect to neither the legitimate receiver nor the eavesdropper. Moreover, we assume a delay-critical scenario, such as in some applications of machine- to-machine communications, so that users communicate with a finite and short blocklength. The performance of direct and selective decode- and-forward cooperative communication strategies are compared. Our results show that the optimization of the blocklength, subject to a maximum length imposed by the particular application, yields important gains in terms of the secure throughput, while cooperative communications is shown to outperform direct non- cooperative transmission.


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    Title :

    Secure Throughput Optimization of Selective Decode-and-Forward with Finite Blocklength


    Contributors:


    Publication date :

    2018-06-01


    Size :

    219140 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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