期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 13, 期 -, 页码 710-713出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2014.2314745
关键词
Cylindrical dielectric resonator antenna; dual-band antenna; omnidirectional antenna
资金
- National Natural Science Foundation of China [61302001]
- Research Fund for the Doctoral Program of Higher Education of China [20130172120046]
- Fundamental Research Funds for the Central Universities [2013ZM0077]
Design of a dual-band omnidirectional cylindrical dielectric resonator antenna (DRA) using TM011 and TM012 modes is investigated in this letter. The limit of frequency ratio is found, and formulas that determine the dimensions of the DRA from two given frequencies have been provided. To verify the theory, a dual-band omnidirectional cylindrical DRA operating in 3.5-GHz WiMAX and 5.8-GHz WLAN bands is designed and tested. The reflection coefficient, radiation pattern, and antenna gain are studied, and reasonable agreement between measurement and theory is observed.
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