Title :
Smart adaptive beam forming antenna for interference cancellation
Author :
Kausar, Asmz ; Kausar, Shafaq
Author_Institution :
Dept. of Electr. Eng., Nat. Univ. of Sci. & Technol., Islamabad, Pakistan
Abstract :
ESPAR antenna steers beam by variation of reactive impedances, here we have simulated & later designed hardware for steering beam in direction of desired maxima and placement of null towards maximum interference. Antenna is simulated in HFSS version 12, only center element is active which is surrounded by array of six parasitic elements loaded with varactor. Hardware results were measured in anechoic chamber and 8 dB gain was achieved in specified direction for theta & phi and step size achieved was 30 degree.
Keywords :
adaptive antenna arrays; anechoic chambers (electromagnetic); beam steering; interference suppression; varactors; ESPAR antenna steers beam; HFSS version 12; anechoic chamber; electronically steerable parasitic array radiator; gain 8 dB; interference cancellation; parasitic elements; reactive impedances; smart adaptive beam forming antenna; steering beam; varactor; Hafnium; Anechoic Chamber; ESPAR (Electronically Steerable Parasitic Array Radiator); beam steering;
Conference_Titel :
Wireless Days (WD), 2013 IFIP
Conference_Location :
Valencia
DOI :
10.1109/WD.2013.6686441
