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Ambient RF Energy Harvesting in Ultra-Dense Small Cell Networks: Performance and Trade-offs by Ghazanfari, Amin; Tabassum, Hina; Hossain, Ekram is a scholarly article available to read on EtoBox.

What is Ambient RF Energy Harvesting in Ultra-Dense Small Cell Networks: Performance and Trade-offs about?

In order to minimize electric grid power consumption, energy harvesting from ambient RF sources is considered as a promising technique for wireless charging of low-power devices. To illustrate the design considerations of RF-based ambient energy harvesting networks, this article first points out the primary challenges of implementing and operating such networks, including non-deterministic energy arrival patterns, energy harvesting mode selection, energy-aware cooperation among base stations (BSs), etc. A brief overview of the recent advancements and a summary of their shortcomings are then provided to highlight existing research gaps and possible future research directions. To this end, we investigate the feasibility of implementing RF-based ambient energy harvesting in ultra-dense small cell networks (SCNs) and examine the related trade-offs in terms of the energy efficiency and signal-to-interference-plus-noise ratio (SINR) outage probability of a typical user in the downlink. Numerical results demonstrate the significance of deploying a mixture of on-grid small base stations (SBSs)~(powered by electric grid) and off-grid SBSs~(powered by energy harvesting) and optimizing their

Author

Ghazanfari, Amin; Tabassum, Hina; Hossain, Ekram

Published

2015

Language

EN