Title :
Gain-enhanced metamaterial radome for circularly-polarized antenna
Author :
Su, Hsin-Lung ; Huang, Hung-Chi ; Lin, Ken-Huang ; Wu, Chin-Yih ; Lin, Hung-Hsuan
Author_Institution :
Dept. of Comput. & Commun., Nat. Pingtung Inst. of Commerce, Pingtung, Taiwan
Abstract :
A novel cross-S-shape metamaterial structure is proposed. This metamaterial radome is suitable for circularly-polarized antenna. The radiation patterns of the patch antenna with and without metamaterial are also measured. The results show that there are 3dB improvements of the antenna gain and HPBW is also reduced,after adding metamaterial radome. The impedance bandwidth and AR bandwidth are also improved. And the efficiency is more than 70% within the operating band.
Keywords :
antenna radiation patterns; impedance matching; metamaterials; microstrip antennas; radomes; AR bandwidth; HPBW; antenna gain; circularly-polarized antenna; cross-S-shape metamaterial structure; gain-enhanced metamaterial radome; impedance bandwidth; patch antenna; radiation patterns; Antenna measurements; Antenna radiation patterns; Electric variables measurement; Frequency measurement; Loss measurement; Metamaterials;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2010 IEEE
Conference_Location :
Toronto, ON
Print_ISBN :
978-1-4244-4967-5
DOI :
10.1109/APS.2010.5560916
