Wireless Power Transfer via mmWave Power Beacons with Directional Beamforming
In this letter, we consider a large scale network where multiple devices are wirelessly charged by power beacons (PBs) using millimeter wave. We propose a directional power transfer scheme to better utilize beamforming (BF), i.e., each PB steers its beam towards the BF direction in which it receives the maximum power during the training phase. The devices harvest the aggregated power from the PBs. Using stochastic geometry, we derive the approximated expression for the power coverage...[Show more]
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|Source:||IEEE Wireless Communications Letters|
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