Title :
Design and measurements of Ka-band waveguide dielectric rod antenna for 7 channel digital beamformer for HAPS
Author :
Kim, Yang-Su ; Kang, Byung-Su ; Ku, Bon-Jun
Author_Institution :
Electron. & Telecommun. Res. Inst., Daejeon, South Korea
Abstract :
HAPS system is required to have strict specification to reduce the interference between adjacent cells. One of the most efficient ways to suppress the grating lobe in visible rang is to shape FTEP (flat-topped element pattern). This work presents the design and experimental results of 7 waveguide dielectric rod array antennas for shaping FTEP in the Ka-band. The calculated element pattern and the measured element pattern are also compared. This prototype antenna will be applied to the multibeam antenna to generate 7 beams using digital beamformer.
Keywords :
adjacent channel interference; antenna radiation patterns; dielectric materials; dielectric waveguides; millimetre wave antenna arrays; multibeam antennas; FTEP; HAPS system; Ka-band; adjacent cell interference; antenna array; beam generation; digital beamformer; flat-topped element pattern; multibeam antenna; waveguide dielectric rod; Antenna arrays; Antenna measurements; Aperture antennas; Arrayed waveguide gratings; Dielectric measurements; Horn antennas; Interference; Manufacturing; Phased arrays; Prototypes;
Conference_Titel :
Mobile Future, 2004 and the Symposium on Trends in Communications. SympoTIC '04. Joint IST Workshop on
Print_ISBN :
0-7803-8556-X
DOI :
10.1109/TIC.2004.1409490
