The design of a low-profile narrowband antenna that is tunable over a wide frequency range is presented. A spline-based Ultra-Wideband (UWB) antenna is synthesized by means of a time-domain-based PSO and is mounted on top of a reconfigurable Artificial Magnetic Conductor (AMC) obtained by replicating a square unit cell in a 15×15 periodic lattice. The AMC is composed by a planar array of periodic metallic strips printed on top of a PEC-backed dielectric substrate, connected by tunable capacitors (varactors), and has been designed to work within the 1-4 [GHz] bandwidth. The reflection coefficient of the resulting narrowband antenna system can be easily controlled inside a wide frequency range by tuning the capacitance value C of the varactors inside the AMC groundplane.

A frequency-tunable metamaterial-based antenna using a reconfigurable AMC groundplane / Salucci, Marco; Oliveri, Giacomo; Micah, Gregory; Douglas, Werner; Massa, Andrea. - (2014), pp. 27-30. (Intervento presentato al convegno EUCAP tenutosi a The Hague nel 6-11 April 2014) [10.1109/EuCAP.2014.6901684].

A frequency-tunable metamaterial-based antenna using a reconfigurable AMC groundplane

Salucci, Marco;Oliveri, Giacomo;Massa, Andrea
2014-01-01

Abstract

The design of a low-profile narrowband antenna that is tunable over a wide frequency range is presented. A spline-based Ultra-Wideband (UWB) antenna is synthesized by means of a time-domain-based PSO and is mounted on top of a reconfigurable Artificial Magnetic Conductor (AMC) obtained by replicating a square unit cell in a 15×15 periodic lattice. The AMC is composed by a planar array of periodic metallic strips printed on top of a PEC-backed dielectric substrate, connected by tunable capacitors (varactors), and has been designed to work within the 1-4 [GHz] bandwidth. The reflection coefficient of the resulting narrowband antenna system can be easily controlled inside a wide frequency range by tuning the capacitance value C of the varactors inside the AMC groundplane.
2014
The 8th European Conference on Antennas and Propagation (EuCAP 2014)
Piscataway, NJ
IEEE
9788890701849
Salucci, Marco; Oliveri, Giacomo; Micah, Gregory; Douglas, Werner; Massa, Andrea
A frequency-tunable metamaterial-based antenna using a reconfigurable AMC groundplane / Salucci, Marco; Oliveri, Giacomo; Micah, Gregory; Douglas, Werner; Massa, Andrea. - (2014), pp. 27-30. (Intervento presentato al convegno EUCAP tenutosi a The Hague nel 6-11 April 2014) [10.1109/EuCAP.2014.6901684].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/97899
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