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We consider two-hop Device-to-device (D2D) relaying in multi-cell downlink networks. D2D relaying is envisioned to be a promising cell coverage extension technique, which can provide improved cell-edge performance without a dense infrastructure deployment. Relaying complicates the resource allocation and interference management in multi-cell networks. We first study the aggregate co-channel interference...
The 5G networks are envisioned to use mmWave bands to provide gigabit-per-second throughput. To extend the coverage of extreme data rates provided by mmWave technologies, we consider two-hop relaying based on D2D communication in an integrated mmWave/sub-6 GHz 5G network. Compared to single-hop multi-cell networks, two-hop D2D relaying in this network will complicate the network management. Relay...
We consider Device-to-Device (D2D) communications underlaying a cellular network to accommodate local services. The system aims to optimize the overall cell throughput while giving priority to the cellular service. In this paper, we study the impact of a fading environment to a D2D enabled cellular network. The results show that the system experiences an increased cellular service outage probability...
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