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A new type of compact microstrip patch antenna based on Composite Right/Left-Handed Transmission Lines (CRLH-TLs) combined with Koch-fractal-shape geometry

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2 Author(s)

A new type of microstrip antenna based on Composite Right/Left-Handed Transmission Lines (CRLH-TLs) combined with Koch-fractal-shape geometry is designed in this paper. Matching means of a ring slot is also presented. The dimensions of the implemented antenna is 29.6*28mm2, which has been miniaturized by 57% compared with conventional microstrip antenna(44*44mm2). Numerical results show that antenna gain of conventional half wavelength resonance mode without ring slot is up to 6 dB which is two times as conventional microstrip antenna. Zeroth order resonance (ZOR) antennas radiate electromagnetic wave omnidirectionally like monopole antennas and simultaneously maintain the inherent advantages of low profile.

Published in:

Microwave Conference, 2009. APMC 2009. Asia Pacific

Date of Conference:

7-10 Dec. 2009