Title :
CPW-fed circularly polarized 2×2 sequentially rotated patch antenna array
Author_Institution :
Dept. of Electr. Eng., National Taiwan Univ., Taipei, Taiwan
Abstract :
A new 2×2 sequentially rotated circular patch antenna array fed by a coplanar waveguide (CPW)-to-slot lines network is presented. The antenna array is formed on a single layer substrate. The performance improvement by adding the air bridges to the feeding network is investigated. The measured axial ratio and return loss bandwidths are 4.4% and 7.3%, respectively. These properties and its simple structure make the antenna array suitable for mobile communication applications.
Keywords :
antenna feeds; coplanar waveguides; microstrip antenna arrays; polarisation; slot antenna arrays; slot lines; CPW fed antenna array; air bridges; circular polarization; coplanar waveguide; feeding network; mobile communication; patch antenna array; single layer substrate; slot lines; Antenna arrays; Antenna measurements; Bandwidth; Bridges; Coplanar waveguides; Loss measurement; Mobile antennas; Mobile communication; Patch antennas; Polarization;
Conference_Titel :
Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings
Print_ISBN :
0-7803-9433-X
DOI :
10.1109/APMC.2005.1606824
