A Metaresonator Inspired Dual Band Antenna for Wireless Applications

Author

Pushpakaran, Sarin V. ; Raj, Rajesh Kumar ; Vinesh, P.V. ; Dinesh, R. ; Mohanan, P. ; Vasudevan, K.

Author_Institution

Dept. of Electron., Cochin Univ. of Sci. & Technol., Cochin, India

Volume

62

Issue

4

fYear

2014

fDate

Apr-14

Firstpage

2287

Lastpage

2291

Abstract

A novel metaresonator inspired dual band antenna for 2.4/5.2 GHz WLAN applications is presented. Dual band operation is achieved by utilizing stacking technique on a dog bone shaped dipole antenna. Stacking excites the magnetic resonance in addition to the existing dipole resonance in the structure yielding the dual band design. The antenna has a 2:1 VSWR bandwidth of 12% for the lower dipole resonance centered around 2.47 GHz and 10.5% for the second resonance at 5.18 GHz which is wide enough to cover the 2.4 GHz and 5.2 GHz WLAN applications. The antenna is made of a low cost FR4 substrate of relative permittivity 4.4 and height 1.6 mm and has a total dimension of 38×40×3.2 mm³. Experimental and simulation studies of the antenna including the stacking height variation and resonant mechanisms are explained in detail in this communication.

Keywords

dipole antennas; magnetic resonance; metamaterial antennas; microwave antennas; multifrequency antennas; wireless LAN; FR4 substrate; VSWR bandwidth; WLAN applications; dipole resonance; dog bone shaped dipole antenna; dual band antenna; frequency 2.4 GHz; frequency 2.47 GHz; frequency 5.18 GHz; frequency 5.2 GHz; magnetic resonance; metaresonator; relative permittivity; size 1.6 mm; size 3.2 mm; size 38 mm; size 40 mm; stacking technique; Bones; Dipole antennas; Magnetic materials; Magnetic resonance; Metamaterials; Stacking; Dipole; dual band; magnetic resonance; metamaterial; stacking;

fLanguage

English

Journal_Title

Antennas and Propagation, IEEE Transactions on

Publisher

ieee

ISSN

0018-926X

Type

jour

DOI

10.1109/TAP.2014.2301161

Filename

6716037