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Metamaterial-inpsired wideband circular monopole antenna

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2 Author(s)
Yuchu He ; Electr. & Comput. Eng, Univ. of Toronto, Toronto, ON, Canada ; Eleftheriades, G.V.

A compact metamaterial-inspired circular monopole antenna is proposed for wideband operation. In [1], a rectangular monopole antenna with metamaterial loading has been proposed, which provides a conceptual route for implementing small resonant antennas. In this paper, a circular - shaped monopole is implemented based on the design in [1]. The new antenna provides wider bandwidth, better radiation efficiency and better tunability. The proposed antenna can achieve 220MHz bandwidth covering the 2.3GHz band. A fabricated prototype has compact dimensions of 32mm×30mm×1.59mm. The simulated radiation efficiency is 83% and the measured efficiency is 73%.

Published in:

Antennas and Propagation Society International Symposium (APSURSI), 2012 IEEE

Date of Conference:

8-14 July 2012