Metamaterial‐based frequency reconfigurable antenna. Issue 5 (1st February 2013)

• Record Type: Journal Article
• Authors: Cheribi, H.; Ghanem, F.; Kimouche, H.
• Is Part Of: Electronics letters. Volume 49:Issue 5(2013)
• Page Start: 315
• Page End: 316
• Publication Date: 2013-02-01
• Subjects: antenna feeds -- monopole antennas -- multifrequency antennas -- metamaterial antennas; frequency reconfigurable antenna -- coplanar‐fed straight‐line monopole antenna -- double split‐ring resonators -- DSRR -- negative permeability -- magnetic couplings -- triband antenna -- metamaterial cell; Electronics -- Periodicals; 621.381
• DOI: 10.1049/el.2012.3651
• Languages: English
• ISSNs: 0013-5194

Abstract

Abstract : A frequency reconfigurable antenna based on metamaterial is presented. It is composed of a coplanar‐fed straight‐line monopole with two double split‐ring resonators (DSRRs) of different size disposed at its proximity. Each cell exhibits a negative permeability over a frequency band, which produces magnetic couplings with the monopole that starts to radiate at new bands; the whole structure is now a tri‐band antenna. The frequencies over which the two DSRRs exhibit a negative permeability have been arbitrarily chosen to show that the proposed approach can be used to create new operating bands and also to introduce notches. By using a single switch at each metamaterial cell, their effect can be deactivated and the corresponding resonance can be suppressed, resulting in a frequency reconfigurable antenna. Simulated and measured results are presented and good agreement is achieved.