In this paper, we consider wireless caching in device-to-device (D2D) cooperative networks and propose a new definition,energy-consumption-ratio (ECR), to measure the energy efficiency that caching schemes can achieve. Based on this definition,we formulate an optimal energy-efficient caching problem and develop a caching scheme, named SBRC-2S. Simulation results show that the proposed scheme outperforms the existing ones and approaches the optimal performance bounds in terms of energy efficiency.


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    Title :

    Energy-Efficient Wireless Caching in Device-to-Device Cooperative Networks


    Contributors:
    Lin, Sihua (author) / Cheng, Di (author) / Zhao, Guodong (author) / Chen, Zhi (author)


    Publication date :

    2017-06-01


    Size :

    226994 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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