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Multistandard PIFA antenna

Publié le 13 juin 2017
Multistandard PIFA antenna
Auteurs
Panaia P., Luxey C., Jacquemod G., Staraj R., Kossiavas G., Dussopt L.
Year2017-0096
Source-TitleANTEM 2005 - 11th International Symposium on Antenna Technology and Applied Electromagnetics, Conference Proceedings
Affiliations
LEAT, Nice-Sophia Antipolis University, 250 rue Albert Einstein, Valbonne, France, CEA Grenoble LETI, 17 rue des Martyrs, Cedex 9, France
Abstract
In this paper, a frequency reconfigurable antenna using the ON/OFF states of a MEMS (Micro-Electro-Mechanical System) switch, is presented. This structure is based on a multifrequency planar inverted-F antenna (PIFA), designed with an L-shaped open slot etched upon its main plate. As a proof-of-principle, an ON state RF MEMS switch, modeled by a piece of copper of 1×1mm2, is inserted into the slot to achieve frequency switching (OFF state is modeled without this piece of copper). According to the switch position along the slot, the GSM operating frequency is not detuned while other standards become reconfigurable. To validate our concept, a thermal MEMS switch [1,2], designed and developped at CEA-LETI is used. The MEMS switch is presented and its scattering parameters are measured and compared with simulated results from a simple equivalent RLC circuit. The active device is then inserted in the slot to validate the simulated frequency capabilities of the PIFA. © 2005 IEEE.
Author-Keywords
Active antenna, MEMS, PIFA, Reconfigurable antennas, Switches
Index-Keywords
Antennas, Copper, Electric switches, MEMS, Resonant circuits, Slot antennas, Switches, Active antennas, Frequency capability, Frequency reconfigurable antenna, Frequency switching, MEMS (microelectro-mechanical-system), PIFA, Planar inverted-F antenna, Reconfigurable antenna, Microstrip antennas
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