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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...
In this paper, the adaptive antenna composed of six printed dipole elements loaded with the chip capacitor at the feed point instead of the varactor diode is numerically and experimentally analyzed. The operating frequencies of wireless LAN are from 2.4 GHz to 2.4835 GHz. In the numerical analysis, the electromagnetic simulator "WIPL-D" based on the method of moment is used.
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.
In this paper, two element planar dipole array antenna fed by the parallel line has been proposed for 2.4 GHz band wireless LAN mesh network. In the numerical analysis, the electromagnetic simulator ldquoWIPL-Drdquo based on the method of moment is used. This antenna is numerically and experimentally analyzed. The current distributions of antenna elements are controlled by adjusting the lengths of...
The hollow metallic rectangular parallelepiped with roof is excited by a dipole antenna located near it. The induced current distribution on the surface of parallelepiped and the neighboring electric field are numerically investigated by using the electromagnetic simulator WIPL-D based on the method of moment. The calculation frequency is 945 MHz.
In this paper, the planar sleeve antenna exited by the CPW is analyzed from the standpoints of return loss characteristics and radiation characteristics. The sleeve antenna is printed on the dielectric plate and three planar sleeves are located outside of the CPW. The open ends of three sleeves are aligned on the same position of the CPW and three sleeves are attached on the upper radiator extended...
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