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The planar dipole antenna and planar inverted L antenna with built-in CPW are proposed and numerically analyzed. The characteristics of proposed antenna is compared with that of the conventional offset fed antenna. By installing the CPW within antenna element, the radiation characteristics and input impedance are independently determined.
The high gain planar antenna excited by the ultra low profile inverted L antenna is proposed and analyzed numerically. The strong electromagnetic field between two conducting planes is excited by the inverted L antenna. The design frequency is 2.45 GHz. The size of proposed antenna is 40 mm by 60 mm by 9 mm (0.327 λ by 0.49 λ by 0.074 λ). The return loss bandwidth larger than 10 dB is 4.16 % and the...
A rectangular loop antenna with a small loop on the low loss magnetic plate for UHF RFID tag has been analyzed numerically. The antenna size has been miniaturized by 76 % due to a magnetic plate. The radiation pattern of the miniaturized antenna is almost the same as that of the antenna without the magnetic plate. The experimental analysis of the proposed antenna will be left in the future.
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