期刊
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
卷 25, 期 10, 页码 687-689出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2015.2463229
关键词
Hybrid energy harvesting; mechanical vibration; microwave power transmission; rectenna; rectifier; Schottky diodes
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- CREATE PERSWADE Training Program
This work presents a cooperative power harvesting scheme, collecting power from two or more independent ambient energy sources into a single non-linear component. It is shown that the interaction of uncorrelated signals in a nonlinear device can greatly improve the conversion efficiency of the harvester. This letter proposes and studies a hybrid power harvester working with both microwave radiation and mechanical vibration excitations. Up to 6 dB gain on the harvested power is obtained for excitations in the range of maximum -40 dBm input power, when compared to a single excitation and standalone harvester working at the same input power level.
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