Distortion minimisation of harvested electrical energy over wireless medium Online publication date: Tue, 20-Apr-2021
by Khadeejah Adebisi Abdulsalam; Kingsley Ovime Owomero
International Journal of Energy Technology and Policy (IJETP), Vol. 17, No. 2, 2021
Abstract: In this work, two point-to-point energy communication links were considered. The first link transmits energy from different energy harvesting sources to a fusion centre with a unity channel gain while the second involves the transmission of energy from a point (the base station) to a mobile station under a known fading profile. The objective of the first link is to minimise the inherent distortion in the transmission from different energy harvesting sources to a fusion centre while the second link maximises the throughput of the harvested energy to the mobile station. In both cases, the problem was formulated in a convex optimisation framework and the optimal power transmission policy was derived. Lastly, the impacts of correlation in the optimal power transmission policy and processing energy cost in the power transmission policy for the maximisation of throughput were presented. We conclude that efficient harvest of electrical energy and transmission over wireless medium can be used to supply electrical energy to mobile devices.
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