 All rights reserved to Humavox Ltd. RF Energy Harvesting Ambient Energy sources.

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Presentation transcript:

 All rights reserved to Humavox Ltd

RF Energy Harvesting Ambient Energy sources

RF Energy Harvesting Ambient RF Energy sources  All rights reserved to Humavox Ltd

RF Energy Harvesting The Concept Base station  All rights reserved to Humavox Ltd Tx Rx

RF Energy Harvesting The Harvesting Unit  All rights reserved to Humavox Ltd Single source Static receiver Portable receiver Multiple sources Static receiver Portable receiver

RF Energy Harvesting The Harvesting Unit impedance matching Rectifier RF2DC Summation & Storage Application  All rights reserved to Humavox Ltd

RF Energy Harvesting The Harvesting Antenna Narrow band antenna wide band antenna  All rights reserved to Humavox Ltd Antenna directivity

RF Energy Harvesting The Harvester IM network Frequency and power consideration E(%)  All rights reserved to Humavox Ltd

RF Energy Harvesting The Harvester RF2DC unit  All rights reserved to Humavox Ltd

RF Energy Harvesting The Harvester storage & summation unit Single VS. multiple sources C RF2DC 1 C RF2DC 2 C RF2DC n + C storage  All rights reserved to Humavox Ltd C step up C RF2DC

RF Energy Harvesting Conclusions  All rights reserved to Humavox Ltd advantage: Free energy Wireless energy transfer Portable devices Disadvantage: Low power density (environment) Low efficiency (RF2RF) High efficiency conversion - complicated system Limitation of ISM band

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