Title :
A concise design of large mm-Wave Radial Line Slot Antenna with honeycomb structures for space application
Author :
Nguyen, Thin ; Sakurai, Kimio ; Hirokawa, Jiro ; Ando, Makoto ; Amano, Osamu ; Koreeda, Shuichi ; Matsuzaki, Takaomi ; Kamata, Yukio
Author_Institution :
Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
This paper reviews the state of the art concise design of a large aperture Radial Line Slot Antenna (RLSA) in millimeter waves to be used as a satellite on-board antenna. Honeycomb structures are employed as core of the dielectric spacer to reduce the antenna´s weight. We derived an equivalent model for the design and analysis of large size RLSA, where four layers honeycomb radial line is replaced by a two layers dielectrics sheets. A constant slot correction length is introduced to utilize the Moment method for neglect of higher order modes. Several prototypical RLSAs are manufactured based on this concise design; a 90cm RLSA with a gain of 44.6dB at 32GHz, and the weight of only 1kg, is currently the best and promising for satellite on-board antennas.
Keywords :
honeycomb structures; method of moments; millimetre wave antennas; satellite antennas; slot antennas; constant slot correction length; dielectric spacer; dielectrics sheets; frequency 32 GHz; gain 44.6 dB; honeycomb structures; millimeter waves; mm wave radial line slot antenna; moment method; satellite onboard antenna; space application; Honeycomb structures; Loss measurement; Method of moments; Satellite antennas; Satellites; Slot antennas;
Conference_Titel :
General Assembly and Scientific Symposium (URSI GASS), 2014 XXXIth URSI
Conference_Location :
Beijing
DOI :
10.1109/URSIGASS.2014.6929141
