Compact Dual-Band Antenna Using an Anisotropic Metamaterial

Author

Lee, Cheng-Jung ; Leong, Kevin M K H ; Itoh, Tatsuo

Author_Institution

Dept. of Electr. Eng., California Univ., Los Angeles, CA

fYear

2006

fDate

10-15 Sept. 2006

Firstpage

1044

Lastpage

1047

Abstract

This paper presents a resonant type dual-band antenna with compact size which is realized by using an anisotropic metamaterial. The artificial anisotropic medium is implemented by employing a composite right/left-handed transmission line. The dispersion relation and the antenna physical size only depend on the composition of the unit cell and the number of cells used. By engineering the characteristics of the unit cells to be different in two orthogonal directions, the corresponding propagation constants can be controlled, thus enabling dual-band antenna resonances. In addition, the antenna dimensions can be markedly minimized by maximally reducing the unit cell size. The proposed antenna is designed at frequencies for PCS/Bluetooth applications. The physical size of the proposed dual-band antenna is 1/17lambda₀x1/17lambda₀x1/19lambda₀ where lambda₀ is the free space wavelength at 2.37GHz

Keywords

Bluetooth; dispersion relations; metamaterials; multifrequency antennas; PCS/Bluetooth applications; anisotropic metamaterial; compact dual-band antenna; composite right/left-handed transmission line; dispersion relation; resonant type dual-band antenna; Anisotropic magnetoresistance; Antennas and propagation; Directive antennas; Dispersion; Dual band; Frequency; Metamaterials; Personal communication networks; Propagation constant; Resonance; Compact antenna; composite right/left handed transmission line; isotropic medium; metamaterial; resonant antenna;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 2006. 36th European

Conference_Location

Manchester

Print_ISBN

2-9600551-6-0

Type

conf

DOI

10.1109/EUMC.2006.281112

Filename

4058002