Dual-Band Dielectric Resonator Reflectarray for C/X-Bands

Dual-Band Dielectric Resonator Reflectarray for C/X-Bands

A dual-band reflectarray antenna composed of notched rectangular dielectric resonators (NR-DR) of variable height is introduced in this letter. A single unit cell is designed to operate for C-band and X-band. All the elements are effectively used for dual-band operation. The proposed reflectarray pr...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2012, Vol.11, p.1253-1256
Hauptverfasser: Alsath, M. G. N., Kanagasabai, M., Arunkumar, S.
Format: Artikel
Sprache:eng
Schlagworte:
Bandwidth
Dielectric resonator antennas
dielectric resonators
Dielectrics
Dual band
Gain
phased array antennas
Reflectarray antennas
Reflector antennas
Resonant frequency
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Zusammenfassung:A dual-band reflectarray antenna composed of notched rectangular dielectric resonators (NR-DR) of variable height is introduced in this letter. A single unit cell is designed to operate for C-band and X-band. All the elements are effectively used for dual-band operation. The proposed reflectarray provides wider bandwidth for both bands (C/X bands) when compared to conventional microstrip-based reflectarray antennas. Furthermore, the notch creates some space that can be used to incorporate active elements, RF/MEMS switches to achieve reconfigurable characteristics.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2012.2225593