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Optimal transmission policies for energy harvesting two-hop networks

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2 Author(s)
Orhan, O. ; Dept. of ECE, Polytech. Inst. of New York Univ., New York, NY, USA ; Erkip, E.

In this paper, a two-hop communication system with energy harvesting nodes is considered. Unlike battery powered wireless nodes, both the source and the relay are able to harvest energy from environment during communication, therefore, both data and energy causality over the two hops need to be considered. Assuming both nodes know the harvested energies in advance, properties of optimal transmission policies to maximize the delivered data by a given deadline are identified. Using these properties, optimal power allocation and transmission schedule for the case in which both nodes harvest two energy packets is developed.

Published in:

Information Sciences and Systems (CISS), 2012 46th Annual Conference on

Date of Conference:

21-23 March 2012