CAO Liangzu 1, 2, HU Jian 1, LI Guangwen 1 3, YIN Lixia 1
(1. School of Mechanical and Electric Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, China;
2. School of Electric and Optical Engineering, Nanjing University of Science & Technology, Nanjing 210094,
Jiangsu, China; 3. Jingdezhen Jingguang Electronic Co. Ltd. Jingdezhen 333405, Jiangxi, China)
Abstract: Dielectric ceramic resonator antennas (DRAs) have been widely used in satellite communication, base station and mobile communication systems. This paper summarizes the excitation, miniaturization, bandwidth enhancement techniques and frequency tuning in recent years. The relevant principles were given in theory. Finally, the trends for DRAs were proposed.
Key words: antenna; dielectric ceramic resonator; excitation; bandwidth enhancement techniques; frequency tuning