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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.
An ultra low profile inverted L antenna located within the rectangular conducting plane has been analyzed. In this paper, two types of inverted L antennas are proposed. The directivity of 3.3 dBi is obtained in the case of inverted L antenna composed of the coaxial cable, and 1.87 dBi in the case of inverted L antenna composed of CPW. This antenna is promising as the antenna for the mobile terminal...
The ultra low profile circular polarized antenna on the rectangular conducting plane has been proposed and numerically analyzed. Although this antenna has a simple structure and a small size, it has good axial ratio. This antenna is promising as the reader antenna of a portable RFID system.
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