Improvement of Gain and Elevation Tilt Angle Using Metamaterial Loading for Millimeter-Wave Applications

Dadgarpour, Abdolmehdi and Zarghooni, Behnam and Virdee, Bal Singh and Denidni, Tayeb A. (2015) Improvement of Gain and Elevation Tilt Angle Using Metamaterial Loading for Millimeter-Wave Applications. Antennas and wireless propagation letters, 15. pp. 418-420.

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Abstract

Elevation-plane beam tilting is demonstrated for a printed dipole antenna operating over 57–64 GHz. This is achieved using a 3x4 array of high refractive-index metamaterial (HRIM) unit cells. The unit cell comprises a modified H-shaped structure with stub loading to control the refractive index of the unit cell over a finite frequency range. Integration of the 3x4 array in the H-plane of a dipole antenna is shown to deflect the main beam by +30 degrees with respect to the endfire direction over 57–64 GHz. In addition, the proposed technique provides 5 dB gain enhancement.

Item Type: Article
Uncontrolled Keywords: Beam switching, beam tilting, beamforming network, dipole antennas, metamaterials, millimeter waves
Subjects: 600 Technology > 620 Engineering & allied operations
Department: School of Computing and Digital Media
Related URLs:
Depositing User: Bal Virdee
Date Deposited: 08 Mar 2016 15:10
Last Modified: 10 Oct 2016 15:16
URI: http://repository.londonmet.ac.uk/id/eprint/932

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