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An Orthogonally Polarized Negative Resonance CRLH Patch Antenna
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 Title & Authors
An Orthogonally Polarized Negative Resonance CRLH Patch Antenna
Kahng, Sungtek; Jeon, Jinsu; Park, Taejoon;
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 Abstract
A novel fully-printed microstrip antenna with negative first resonance and dual polarization is proposed. The radiator is printed on the 1-layer substrate instead of multilayers. The -1st resonance results from a composite right- and left-handed(CRLH) structure that has a circumferentially interlocked gap capacitively coupling a patch with a shorted-ring. This compact antenna is provided with a dual-polarization capability by creating two orthogonal linear polarizations in one body with coaxial feeds. The design is carried out by doing full-wave EM field simulation which is compared with the measurement of the fabricated antenna prototype. The measured results give the gain of 5 dBi and the efficiency of 78% at the -1st resonance mode as the center frequency of a downlink channel of the bandwidth over 20 MHz with 29 dB polarization isolation for mobile communication.
 Keywords
Microstrip antennas;Negative resonance;Dual-Polarized antennas;Mobile communication;Antenna feeds;
 Language
English
 Cited by
 References
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