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Energy Efficient Design for Coded Caching Delivery phase

Vu, Xuan Thang and Lei, Lei and Chatzinotas, Symeon and Ottersten, Björn and Trinh Anh, Vu (2018) Energy Efficient Design for Coded Caching Delivery phase. In: International Conference on Recent Advances in Signal Processing, Telecommunications & Computing, 21-22 March 2019, HaNoi, Vietnam. (In Press)

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Edge-caching is a promising technique to improve the network performance in terms of delivery latency and network congestion during peak-traffic times. Between the two fundamental methods, coded caching has received much attention due to its significant gain over the uncoded counterpart. In this paper, we propose an energy-efficient beamforming design for coded caching delivery phase in wireless networks context. In particular, by exploiting the broadcasting capability of the wireless channels and taking into the cache size, a multi-group multicast based transmission scheme is employed to deliver multiple coded messages to different subgroups of users simultaneously. Numerical results show a significant energy consumption reduction of the proposed design compared to the conventional scheme in the small and medium cache size regime.

Item Type: Conference or Workshop Item (Paper)
Subjects: Electronics and Communications > Communications
Electronics and Communications
Divisions: Faculty of Electronics and Telecommunications (FET)
Depositing User: Tr�nh Anh Vũ
Date Deposited: 18 Dec 2018 02:55
Last Modified: 18 Dec 2018 02:55

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