Optimal Transmission Policies for Energy Harvesting Two-hop Networks

Details Optimal Transmission Policies for Energy Harvesting Two-hop Networks Optimal Transmission Policies for Energy Harvesting Two-hop Networks

2012-02-29

arxiv.org/abs/1202.6654v1

Computer Science

Information Theory

6 pages, 5 figures, submitted to CISS 2012

Scientific paper

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.

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