Miniaturized composite right/left-handed coplanar waveguide antenna for dual-frequency operation

In this paper, a novel dual-band planar antenna based on the zeroth order resonator is presented. The key component of the antenna is the composite right/left-handed (CRLH) coplanar waveguide (CPW), which consists of series interdigital capacitors (IDCs) and shunt short-circuited stub inductors (SSI...

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Bibliographic Details
Main Authors: Shih-Chia Chiu, Shih-Yuan Chen, Powen Hsu
Format: Conference Proceeding
Language:English
Subjects:
Antenna accessories
Antenna radiation patterns
Capacitors
composite right/left-handed
coplanar waveguide
Coplanar waveguides
Dual band
Impedance
Inductors
Planar arrays
Shunt (electrical)
Waveguide components
zeroth order resonators
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Description
Summary:In this paper, a novel dual-band planar antenna based on the zeroth order resonator is presented. The key component of the antenna is the composite right/left-handed (CRLH) coplanar waveguide (CPW), which consists of series interdigital capacitors (IDCs) and shunt short-circuited stub inductors (SSIs). By relaxing the balance condition for the CRLH CPW structure, the proposed antenna can operate at the two zeroth order modes resulting in the desired dual-band characteristics. Using only three CRLH CPW unit cells, a miniaturized dual-band antenna is proposed and demonstrated to have similar input impedances, radiation patterns, and gains within the two bands.
ISSN:2164-2958
2164-2974
DOI:10.1109/RWS.2009.4957304