A small dielectric resonator antenna has been designed for ultra wideband (UWB) communication system applications. The antenna element is a rectangular low permittivity ceramic block, with a dielectric constant of 9.4, and the modified T-shaped feed network includes a 50 ohm microstrip line to achieve strong coupling, and some bandwidth enhancement. The antenna performance is simulated and measured over a frequency band extending from 3100 MHz to 5500 MHz; the impedance bandwidth over this interval is 55.8% with VSWR <; 2, making the antenna suitable for UWB applications.
Elmegri F, See CH, Abd-Alhameed RA et al (2013) Dielectric resonator antenna design for UWB applications. In: 2013 Loughborough Antennas and Propagation Conference. 11-12 Nov 2013. Loughborough, UK. IEEE: 539-542.
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