Wireless power transfer through mutual coupling using monopole antennas
Abstract
Wireless power transfer using near-field inductive coupling has been employed in several applications, including wireless charging of electronic devices and powering of implanted biomedical devices. In these applications, power is transferred over short distances, which are much smaller than the operating wavelength. In these systems, the link power transfer efficiency is inversely related to the operating range. This paper focuses on the design and investigation of a pair of equal-dimensional microstrip antennas, one of which is excited by a pulse emitted using GNU Radio software and USRP 2901. The proposed pair of devices consists of two monopoles with faulty ground the sizes, 16 mm × 116 mm, which act as transmitter and receiver respectively. The devices have been designed, simulated, and optimized using CST Microwave Studio software. The surface current results of the coupled devices indicate good current density over a distance range of 10 mm to 50 mm.
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References
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