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Wideband Shorted Patch Antenna With a Modified Half U-Slot

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6 Author(s)
Wang, S. ; National Laboratory of Radar Signal Processing, Xidian University, Xi'an, China ; Lai, H. W. ; So, K. K. ; Ng, K. B.
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A small wideband patch antenna with a modified half U-slot is presented. The antenna has an impedance bandwidth of 40% ({ S}_{11}< -10 {\hbox {dB}}) , which is from 1.72 to 2.58 GHz. The antenna size is electrically and physically small, which is 0.012\lambda _{0}^{2} and 240 mm ^{2} , respectively. The proposed small antenna has good radiation characteristics, with a peak gain of 2 dBi. The proposed antenna is suitable for small wireless devices with the applications of Wi-Fi, Bluetooth, UMTS, GSM 1800, PCS 1900, and LTE.

Published in:

Antennas and Wireless Propagation Letters, IEEE  (Volume:11 )