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A Novel CRLH Based on Planar Antenna for Integration in Transceivers and Mobile Handset for Wide-band Applications |
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Mohammad Alibakhshi-Kenari |
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School of Electrical and Communication Engineering, Shahid
Bahonar University of Kerman, Iran Accepted August 29, 2014 |
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Abstract |
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In this paper, a
novel compact and wide band planar antenna base on the composite
right-left handed transmission line (CRLH-TL) structure with
enhancement gain is proposed and investigated on the
Rogers_RT_Duroid5880 substrate. With CRLH metamaterial embedded
technology, the proposed compact and broadband antenna is
presented with best in reduction in size, bandwidth improvement,
efficiency and radiation pattern enhancement. To realize
characteristics of the antenna, the printed I-shaped gaps into
the rectangular patches of the radiation patches are used. The
physical size and the operational frequency of the antenna
depend on the unit cell size and the equivalent transmission
line (TL) model parameters of the CRLH-TL, including series
inductance, series capacitance, shunt inductance and shunt
capacitance. The compact and antenna accompanying high gain with
two unit cell is designed from 0.5 GHz to 3.25 GHz which
corresponding to 146% bandwidth, each of which occupies only
7.5mm× 10.5mm or 0.025λ0× 0.03λ0 at the operating frequency
f=1GHz (where λ0 is free space wavelength). The physical length,
width and height of the presented antenna are 15 mm, 10.5 mm and
1.6 mm or 0.05λ0, 0.03λ0 and 0.005λ0, respectively, in terms of
free space wavelength. The radiation peak gain and maximum
efficiency are 7dBi and 99%, respectively. |
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