Universiti Teknologi Malaysia Institutional Repository

Effects of size mismatch in dual-function near-field antennas

Eteng, Akaa and Abdul Rahim, Sharul Kamal and Leow, Chee Yen (2014) Effects of size mismatch in dual-function near-field antennas. Proceedings, APWiMob 2014: IEEE Asia Pacific Conference on Wireless and Mobile 2014 . pp. 260-263.

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Official URL: http://dx.doi.org/10.1109/APWiMob.2014.6920309

Abstract

Effective deployment of near-field wireless power transfer mechanisms requires the concurrent transfer of status and control data between the coupled terminals. The implementation of simultaneous data and power transfer requires an understanding of the interplay between the transfer efficiency and bandwidth. This paper examines the transfer efficiency and bandwidth of links with independently matched circular loop antennas. Three scenarios are investigated. In the first, both paired antennas have the same size. The second and third scenarios deal with bigger and smaller transmit antennas relative to the receive antenna. The results suggest that equal-sized antennas provide a higher level of efficiency than with size mismatched antennas. Further, a marginal increase in link bandwidth is observed for the case of a larger transmit antenna relative to the receive antenna.

Item Type:Article
Uncontrolled Keywords:inductive power transfer, transfer efficiency, bandwidth, coupling
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Others
ID Code:52612
Deposited By: Siti Nor Hashidah Zakaria
Deposited On:01 Feb 2016 03:54
Last Modified:26 Jun 2018 08:33

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