Title :
Comparison between planar arrays of perforated DRAs and microstrip patches
Author :
Petosa, A. ; Thirakounc, S. ; Zuliani, M. ; Ittipiboon, A.
Author_Institution :
Commun. Res. Centre Canada, Ottawa, Ont., Canada
Abstract :
An array of dielectric resonator antenna (DRA) elements is formed by perforating a dielectric substrate with a lattice of holes. The performance of a 64-element prototype array designed at 25 GHz was compared to a corresponding array of microstrip patches. The perforated DRA array demonstrates a gain improvement of 1 dB and a broader gain bandwidth than the microstrip patch array. This technique of fabricating DRA using perforations eliminates the need to position and bond individual DRA elements in an array.
Keywords :
dielectric resonator antennas; microstrip antenna arrays; planar antenna arrays; 25 GHz; 64-element prototype array; DRA elements; dielectric resonator antenna array; dielectric substrate; hole lattice; microstrip patches; perforated DRA; perforations; planar arrays; Dielectric constant; Dielectric materials; Dielectric resonator antennas; Dielectric substrates; Geometry; Microstrip antenna arrays; Microstrip antennas; Microstrip resonators; Planar arrays; Sheet materials;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2005 IEEE
Print_ISBN :
0-7803-8883-6
DOI :
10.1109/APS.2005.1551764
