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Miniaturized yagi class of antennas for GSM, WLAN, and WiMax applications

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3 Author(s)
Chen, G.C.-Y. ; Dept. of Electr. & Comput. Eng., Univ. of Alberta, Edmonton, AB, Canada ; Chan, K.K.-M. ; Rambabu, K.

This paper presents a miniaturized broadband Yagi antenna design for GSM, WLAN, and WiMax applications. This antenna is comprised of an inverted-F and two inverted-L shaped wires as active and parasitic elements in the array configuration. The realizable gain of the antenna is over 4 dBi and the front to back ratio of the radiation is over 6 dB. The measured return loss of the antenna shows the good broadband characteristics. The radiation patterns of the antenna are close to the omni-directional characteristics in the half-hemi sphere.

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Consumer Electronics, IEEE Transactions on  (Volume:56 ,  Issue: 3 )