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High-gain and wide-band single-layer patch antenna for wireless communications

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3 Author(s)
Chi-Lun Mak ; Dept. of Electron. Eng., City Univ. of Hong Kong, China ; Hang Wong ; Luk, Kwai-Man

A technique employing the use of parallel feeds is applied to the recently proposed L-probe coupled patch antenna design. By employing only two L-probes, with proper separation, for feeding one single patch, a twin-L-probe coupled patch antenna is designed with both high-gain (10 dBi) and wide-band [25%, standing wave radio (SWR) ≤ 1.5] characteristics. In addition, the 1-dB-gain bandwidth is around 26%, which covers the impedance bandwidth. Furthermore, a noticeable suppression of cross-polarization radiation is observed. Simulation results are in good agreement with those noteworthy characteristics obtained from experiments. The proposed antenna is suitable for modern mobile communication applications.

Published in:

Vehicular Technology, IEEE Transactions on  (Volume:54 ,  Issue: 1 )