Title :
Analysis of Dually Polarized Fractal Antennas
Author :
Zhang, Yizhe ; Kishk, Ahmed A.
Author_Institution :
Dept. of Electr. Eng., Mississippi Univ., MS
Abstract :
The Koch island fractal patch antenna is presented. The air gap between the ground plane and the dielectric substrate is used to increase the matching frequency bandwidth. The cross-polarization pattern level is decreased approximately 18 dB by deforming the patch geometry where stubs are introduced in notches of the fractal patch. With good use of the stubs, the probe feed for two orthogonal polarizations are located on the stubs, and a dual-polarized antenna is designed
Keywords :
antenna feeds; electromagnetic wave polarisation; fractal antennas; microstrip antennas; Koch island fractal patch antenna; air gap; cross-polarization pattern level; dielectric substrate; dually polarized fractal antennas; matching frequency bandwidth; notches; orthogonal polarizations; probe feed; stubs; Antenna feeds; Bandwidth; Dielectric substrates; Fractal antennas; Geometry; Microstrip antennas; Patch antennas; Polarization; Probes; Resonant frequency;
Conference_Titel :
Antennas and Propagation Society International Symposium 2006, IEEE
Conference_Location :
Albuquerque, NM
Print_ISBN :
1-4244-0123-2
DOI :
10.1109/APS.2006.1710981
