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A Compact Slotted Coplanar-Waveguide (CPW) Fed Metamaterial Inspired Patch Antenna for the Wi-MAX 5.5 GHz Application
Mimi Aminah Wan Nordin, Mohammad Tariqul Islam, Norbahiah Misran

Last modified: 2012-07-10


A metamaterial-inspired compact patch antenna resonating
at 5.5 GHz for the 5.5 GHz Wi-MAX range application is
proposed. The antenna is fed using a coplanar-waveguide
(CPW) feedline that has been designed to have a
characteristic impedance of 50Ω. The compact antenna is
also a wideband antenna with a bandwidth (below -10 dB)
of 1.3 GHz in the said frequency range, with a gain of 2.2
dB. The size of the patch in terms of the free-space
wavelength is λ0/15 x λ0/9 x λ0/29. The wide bandwidth of
the antenna is achieved through reactively loading the
single patch through the incorporation of the slot.


Metamaterial-inspired, compact antenna