Title :
Design of a 12×16-element double-layer corporate-feed waveguide slot array antenna
Author :
Ito, Satoshi ; Miao Zhang ; Hirokawa, Jiro ; Ando, Makoto
Author_Institution :
Dept. of Electr. & Electron. Eng., Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
The plate-laminated waveguide slot array antenna is a high-efficiency and wide-band antenna in the millimeter-wave band. However, in the conventional corporate-feed circuit, the number of radiating elements is limited to be a power of two by using a cascade of T-junctions. In this paper, we propose the corporate-feed with a cross junction and an asymmetric T-junction for 12×16 elements. The bandwidth for VSWR less than 1.5 is 7.64%. Antenna efficiency of 82.6% is obtained at the design frequency of 61.5 GHz by simulation.
Keywords :
antenna feeds; antenna radiation patterns; broadband antennas; millimetre wave antenna arrays; slot antenna arrays; antenna efficiency; asymmetric T-junction; cross junction; double-layer corporate-feed waveguide slot array antenna; efficiency 82.6 percent; frequency 61.5 GHz; high-efficiency antenna; millimeter-wave band; plate-laminated waveguide slot array antenna; radiating elements; wideband antenna; Antenna arrays; Arrays; Bandwidth; Junctions; Reflection; Slot antennas; corporate-feed; cross junction; waveguide slot array;
Conference_Titel :
Antennas and Propagation (ISAP), 2014 International Symposium on
Conference_Location :
Kaohsiung
DOI :
10.1109/ISANP.2014.7026515
