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In this paper, two printed multiband fractal monopole antennas using the 1st and 2nd iteration of Minkowski Island geometry are proposed for WLAN communications. The monopole antennas have compact size of 28 times 18 mm2 and 21.5 times 18 mm2, respectively. The proposed antennas with different sizes of the ground plane have also been studied through numerical simulations in Ansoft HFSS. It is found...
A three port triple band aperture coupled microstrip antenna has been designed, manufactured and measured. Effective impedance matching has been achieved in desired bands of operation in good agreement with the simulated results.
A novel tunable antenna is proposed to provide ultra-wide tunable range with a high selectivity. A reconfigurable matching network is implemented to achieve impedance matching at desired frequency of semi-ultra wideband (S-UWB) antennas, which can be designed in a straight forward manner. The L-C series matching network is chosen to demonstrate the performance by simulations. The simulation results...
We have proposed and validated through simulations the possibility to interleave two pyramidal multi-band antennas. This new design enables to overcome bandwidth limitation problems as only one trap is now needed per radiating element on the radio navigation antenna. The feeding network is simplified as the two applications are now separated and polarizations can be defined independently for the two...
In this paper, a compact CRLH antenna which consists of an LH line and an RH line which have different frequencies is presented. Thus dual band operation is possible, and the frequencies can be easily changed by altering LH or RH line parameters. Impedance matching can be adjusted using the stub length. Because of its small size, printed form, dual band operation, this antenna can be utilized in mobile...
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