Spurred by the constant pressure to achieve miniaturization, researchers have designed many different types of compact antennas. One such type is the slotted patch antenna used for dual band operation. In this paper, we propose a novel method of selecting the feeding point of the antenna, which results in superior antenna performance in terms of return loss. Computer simulations verify the validity of the proposed method.
Y. M. M. Antar, A. I. Ittipiboon and A. K. Bhattachaya, 'A dual-frequency antenna using a single patch and an inclined slot' Microwave Opt. Technical Lett. 8, 309-311, April 1995
S. Maci, G. Biffi Gentili, P. Piazzesi and C. Salvador, 'Dual-band slot-loaded patch antenna' IEE Proc.-Microw. Antennas Propag., Vol. 142, No. 3, June 1995
K. L. Wong and J. Y. Sze, 'Dual-frequency slotted rectangular microstrip antenna' Electronics Letters 34, 1368-1370, July 9, 1998
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