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Dual-Band Wearable Rectenna for Low-Power RF Energy Harvesting

Author:
Naresh, B.  Singh, Vinod Kumar  Bhargavi, V.  Garg, Amik  Bhoi, Akash Kumar  


Journal:
ADVANCES IN POWER SYSTEMS AND ENERGY MANAGEMENT


Issue Date:
2018


Abstract(summary):

In this paper, a dual-band textile rectenna is fabricated and tested to power the wireless and wearable sensor systems at 2.45 and 5.8 GHz. The wearable rectenna substrate is designed with a textile material and conductive element is a copper tap. Fabricated antenna has a size of 50 x 50 mm(2) and it is effortlessly bent on human body. The rectenna element is also fabricated on the same textile material and RF to DC conversation is investigated for power levels -20 to 15 dBm. The wearable antenna has experimentally measured impedance bandwidth of 40% for primary band and 51% for second band. The rectenna has maximum efficiency of 60% at -3 dBm (5.8 GHz) and 0 dBm (2.45 GHz).


Page:
13---21


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