Title :
Transmission power optimization for energy harvesting wireless nodes
Author :
Remun Koirala;Stefano Severi;Jhanak Parajuli;Giuseppe Abreu
Author_Institution :
Focus Area Mobility, Jacobs University Bremen, 28759 Bremen, Germany
Abstract :
We study the power optimization policy to maximize the average transmission rate in an energy harvesting wireless network. The addressed scenario considers an energy harvesting transmitting node where the energy arrives in discrete packets following a Poisson process. The challenge is then to optimally model the transmission period T according only to the statistical knowledge of the energy arrival process. A higher power would quickly empty the battery causing outage, while, a lower rate would inefficiently accumulate energy not to be used. A mathematical formulation of the optimal policy is derived, allowing the transmitting node to adaptively change its power.
Keywords :
"Energy harvesting","Wireless sensor networks","Batteries","Wireless communication","Transmitters","Optimization","Signal to noise ratio"
Conference_Titel :
Signals, Systems and Computers, 2015 49th Asilomar Conference on
Electronic_ISBN :
1058-6393
DOI :
10.1109/ACSSC.2015.7421249