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This paper investigates a wireless-powered cooperative communication network consisting of a source, a destination and a multi-antenna decode-and-forward relay. We consider the relay as a wireless-powered node that has no external power supply; but it is equipped with an energy harvesting (EH) unit and a rechargeable battery such that it can harvest and accumulate energy from radio-frequency signals...
The recent advance in radio frequency (RF) energy transfer has enabled wireless-powered communication (WPC), where wireless devices are powered by dedicated wireless energy transmitters. In this paper, we study a WPC scenario consisting of one access point (AP) and one user. The user is assumed to have no embedded energy supply and need to harvest energy from RF signals broadcast by the AP. Different...
In heterogeneous networks (HetNets), the load between macro-cell base stations (MBSs) and small-cell BSs (SBSs) is imbalanced due to transmit power disparities and ad-hoc deployment of SBSs. This significantly impacts the system performance and user experience. Associating more users to the SBSs is an effective way to solve this problem. In this paper, we formulate the user-BS association problem...
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