A compact and broadband NRI-TL metamaterial monopole antenna

Antoniades, Marco A. and Eleftheriades, George V. (2009). A compact and broadband NRI-TL metamaterial monopole antenna. In: , 2009 13th International Symposium on Antenna Technology and Applied Electromagnetics/Canadian Radio Science Meeting (ANTEM/URSI 2009) proceedings. 2009 13th International Symposium on Antenna Technology and Applied Electromagnetics/Canadian Radio Science Meeting (ANTEM/URSI 2009), Banff, Canada, (12-15). 15-18 February 2009.


Author Antoniades, Marco A.
Eleftheriades, George V.
Title of paper A compact and broadband NRI-TL metamaterial monopole antenna
Conference Paper Type Fully Published Paper
Conference name 2009 13th International Symposium on Antenna Technology and Applied Electromagnetics/Canadian Radio Science Meeting (ANTEM/URSI 2009)
DOI 10.1109/ANTEMURSI.2009.4805042
Conference location Banff, Canada
Conference dates 15-18 February 2009
Proceedings title 2009 13th International Symposium on Antenna Technology and Applied Electromagnetics/Canadian Radio Science Meeting (ANTEM/URSI 2009) proceedings
Journal name 2009 13th International Symposium On Antenna Technology and Applied Electromagnetics and the Canadian Radio Sciences Meeting (antem/ursi 2009)
Place published Piscataway, NJ, United States
Publisher IEEE
Publication date 2009
ISBN 9781424429790
Start page 12
End page 15
Total pages 4
Language eng
Abstract/Summary A compact and broadband negative-refractive-index transmission-line (NRI-TL) metamaterial antenna is proposed, which consists of a conventional printed monopole loaded in a left-handed fashion. The metamaterial loading allows the antenna to be modeled as a short folded monopole around 5.5 GHz, and simultaneously acts as a a balun for the ground plane around 3.55 GHz, therefore enabling the ground plane to radiate at this frequency. Consequently, the metamaterial-loaded monopole antenna exhibits a very wide impedance bandwidth by virtue of the orthogonality between these two radiating modes. The NRITL metamaterial monopole antenna has a simulated -10 dB return-loss bandwidth of 3.84 GHz while maintaining a very high efficiency in the order of 90%, and achieves orthogonal pattern diversity in both the 3.3 - 3.8 GHz WiMax and 5.15 - 5.85 GHz WiFi bands.
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Conference Paper
Sub-type: Fully Published Paper
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