Abstract
AbstractA tri‐band planar inverted‐F antenna (PIFA) for WLAN and WiMAX applications is proposed.By combining F‐T‐shaped slots in the radiating structure and using a trapezoidal feeding plate, three resonant modes are generated and impedance bandwidth of the antenna is enhanced. The fabricated radiation patch has a compact size of 25 × 11 × 8 mm3 with a rectangular ground plate of 26 × 40 mm2. For S11 less than −10 dB, the antenna operates at 2.45 GHz with a bandwidth of 170 MHz, and at 5.2 GHz with a bandwidth of 750 MHz for WLAN application, and at 5.75 GHz with a bandwidth of 540 MHz for WiMAX application. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:919–922, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25052
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