Title :
A Circularly-Polarized Array Antenna Using Linearly-Polarized Sub Grid Arrays for Highly-Integrated 60-GHz Radio
Author :
Bing Zhang ; Yue Ping Zhang ; Titz, Diane ; Ferrero, Fabien ; Luxey, Cyril
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore
Abstract :
In this communication, we present a new circularly-polarized array antenna using 2×2 linearly-polarized sub grid arrays in a low temperature co-fired ceramic technology for highly-integrated 60-GHz radio. The sub grid arrays are sequentially rotated and excited with a 90°-phase increment to radiate circularly-polarized waves. The feeding network of the array antenna is based on stripline quarter-wave matched T-junctions. The array antenna has a size of 15×15×0.9 mm3. Simulated and measured results confirm wide impedance, axial ratio, pattern, and gain bandwidths.
Keywords :
antenna feeds; antenna radiation patterns; electromagnetic wave polarisation; millimetre wave antenna arrays; strip lines; antenna pattern; axial ratio; circularly-polarized array antenna; circularly-polarized wave radiation; feeding network; frequency 60 GHz; gain bandwidth; highly-integrated radio; linearly-polarized subgrid arrays; low temperature co-fired ceramic technology; stripline quarter-wave matched T-junctions; Antenna arrays; Antenna measurements; Antenna radiation patterns; Arrays; Ceramics; Gain; 60-GHz; Circularly-polarized; grid array antenna; low temperature co-fired ceramic; wireless personal area network;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2012.2214752
