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The massive demand of mobile data traffic stimulates the emergence of cache-enabled heterogeneous cellular networks (HetNets). Caching at the network edge can reduce the duplicated transmissions of the contents and improve users' quality of service (QoS), however, the dense deployment of cache-enabled small base stations (SBSs) and relays poses a challenge on energy consumption. Several emerging technologies...
In this paper, we address the energy harvesting tradeoff for minimizing the average packet delay in wireless energy harvesting multi-hop networks with inter-session network coding (NC) and successive interference cancellation. Unlike the previous works, conventionally making a tradeoff between the transmission delay and the energy consumption in a wireless network, here by minimizing the ratio of...
Recently, radio frequency energy transfer (RFET) attracts more and more interests for powering sensor nodes in the wireless sensor network (WSN). In the conventional WSN where sensor nodes are powered by a small battery with finite amount of energy, reducing energy consumption of sensor nodes is of primary importance. On the contrary, in the WSN with RFET, since energy can be continuously supplied...
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