Optimal Save-Then-Transmit Protocol for Energy Harvesting Wireless Transmitters

In this paper, the design of a wireless communication device relying exclusively on energy harvesting is considered. Due to the inability of rechargeable energy sources to charge and discharge at the same time, a constraint the authors term the energy half-duplex constraint, two rechargeable Energy Storage Devices (ESDs) are assumed so that at any given time, there is always one ESD being recharged. The energy harvesting rate is assumed to be a random variable that is constant over the time interval of interest. In addition, they compare the outage performance of random power supply to that of constant power supply over the Rayleigh fading channel.

Provided by: National University of Singapore Topic: Mobility Date Added: Apr 2012 Format: PDF

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