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Broadband microstrip patch antenna with V-slot

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2 Author(s)
Rafi, G. ; Dept. of Electr. & Comput. Eng., Univ. of Manitoba, Winnipeg, Man., Canada ; Shafai, L.

A microstrip antenna incorporating a V-shape slot on its patch is introduced and studied for its impedance bandwidth and radiation characteristics. It is shown that the antenna is inherently broadband, and by optimising the V-parameters its performance can be improved considerably over that of a U-slotted patch. Its stacked configuration is also investigated, using both a conducting patch and another V-slotted patch. Bandwidths as high as 54% are achieved with stable pattern characteristics, such as gain and cross polarisation, within its bandwidth. A detailed investigation is conducted and the effect of all its parameters, such as the substrate dielectric constant and thickness as well as the V-slot length, position, width and angle, are determined and discussed. An experimental study confirms the simulation studies.

Published in:

Microwaves, Antennas and Propagation, IEE Proceedings  (Volume:151 ,  Issue: 5 )