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http://dx.doi.org/10.12815/kits.2018.17.4.168

An Improved EPS Handover Scheme for Seamless D2D Communications  

Kim, Jong-Chan (Dept. of Electronics & Communications Eng, Univ. of Kwangwoon)
Min, Sang-Won (Dept. of Electronics & Communications Eng, Univ. of Kwangwoon)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.17, no.4, 2018 , pp. 168-180 More about this Journal
Abstract
Due to the spread of mobile devices and the introduction of high-quality services, mobile traffic is expected to increase sharply and overload of cellular networks is expected. D2D communication is a way to reduce the load and evolve to 5th generation. Since D2D communication directly communicates between the terminals, it can reduce the overload of the cellular network and improve energy efficiency, data rate and network performance. This paper proposes a D2D handover scheme for D2D communication in cellular networks. The cellular network is a 3GPP EPS, and the proposed D2D handover method improves the existing EPS handover process considering compatibility between existing EPS and D2D communication. We also demonstrate the superiority of the proposed handover scheme using the network simulator ns-3. Simulation results show that the proposed handover scheme is superior to existing handover methods in terms of CUE variation, packet transmission delay time, and throughput.
Keywords
D2D Communication; Handover; Cellular network;
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