Dual-Band and Dual-Polarized SIW-Fed Microstrip Patch Antenna

Dual-Band and Dual-Polarized SIW-Fed Microstrip Patch Antenna

A new dual-band and dual-polarized antenna is investigated in this letter. Two longitudinal and transverse slots on the broad wall of the substrate integrated waveguide (SIW) are responsible for creating two different frequency bands with distinct polarization. A frequency selective surface (FSS) is...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2014, Vol.13, p.1605-1608
Hauptverfasser: Sabri, L., Amiri, N., Forooraghi, K.
Format: Artikel
Sprache:eng
Schlagworte:
Antennas
Aperture-coupled antenna
Bandwidth
Feeding
Frequency bands
Frequency selective surfaces
Impedance
Microstrip
Microstrip antennas
Patch antennas
Simulation
Slot antennas
substrate integrated waveguide
Walls
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Beschreibung
Zusammenfassung:A new dual-band and dual-polarized antenna is investigated in this letter. Two longitudinal and transverse slots on the broad wall of the substrate integrated waveguide (SIW) are responsible for creating two different frequency bands with distinct polarization. A frequency selective surface (FSS) is placed on top of the microstrip patches to reduce the cross-polarization level of the antenna. The resonance frequencies of the patch and slot are set near to each other to get a wider impedance bandwidth. Bandwidth of more than 7% is achieved in each band. SIW feeding network increases the efficiency of the antenna. The simulated radiation efficiency of the antenna is better than 87% over the impedance bandwidth .
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2014.2339363