Abstract
A reduced size miniature dual-bands planar inverted F-L antenna for WLAN and cellular applications is achieved by applying the magnetic wall concept. The proposed antenna provides a 12% and 9.3% bandwidth at S 11 ≪ −10 dB for 2.5 GHz and 5.2 GHz WLAN bands that completely encompasses the desired ISM2400 and IEEE802.11a standards. The proposed antenna is minimised to a volume of 30 × 15 × 8 mm, which is about 0.25 wavelengths at the centre frequency 2450MHz, while the antenna height achieved was about λ/15 at the centre frequency. The experimental and simulated return losses of the proposed antenna on a small finite ground plane (30 × 15mm) show good agreement. The simulated gains and far field radiation patterns are presented to fully characterize the performance of this antenna.
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