Bandwidth Enhancement of Metamaterial Antennas Based on Composite Right/Left-Handed Transmission Line

Bandwidth Enhancement of Metamaterial Antennas Based on Composite Right/Left-Handed Transmission Line

A method to extend the bandwidth of metamaterial (MTM) antennas using a composite right/left-handed transmission line (CRLH-TL) is presented. The resonance modes and wideband characteristics of MTM antennas are analyzed and described using dispersion diagrams based on the CRLH-TL theory. Based on th...

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Veröffentlicht in:IEEE antennas and wireless propagation letters 2010, Vol.9, p.36-39
Hauptverfasser: Ji, Jeong Keun, Kim, Gi Ho, Seong, Won Mo
Format: Artikel
Sprache:eng
Schlagworte:
Analytical models
Antenna theory
Bandwidth
Bandwidth enhancement
Broadband antennas
composite right/left-handed transmission line (CRLH-TL)
metamaterial (MTM)
Metamaterials
Microwave antennas
Mobile antennas
Resonance
Transmission line antennas
Transmission line theory
wideband antenna
zeroth-order resonator (ZOR)
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Zusammenfassung:A method to extend the bandwidth of metamaterial (MTM) antennas using a composite right/left-handed transmission line (CRLH-TL) is presented. The resonance modes and wideband characteristics of MTM antennas are analyzed and described using dispersion diagrams based on the CRLH-TL theory. Based on the analysis, we propose an efficient way to extend the bandwidth of MTM antennas, which has been verified by both full-wave simulations and experiments. The proposed analysis can be used to design novel wideband MTM antennas and other microwave components for mobile handset applications.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2010.2041628