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A novel variant 60-GHz CPW-fed patch antenna for broadband short range wireless communications

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5 Author(s)
Hettak, K. ; Terrestrial Wireless Syst. Branch, Commun. Res. Centre, Ottawa, ON ; Delisle, G.Y. ; Morin, G.A. ; Toutain, S.
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A 60 GHz coplanar waveguide (CPW) fed patch antenna is proposed. This antenna is implemented on a high dielectric constant substrate (epsivr = 9:9), which is close to the dielectric constant of commercial GaAs and CMOS process. The antenna structure combines the advantages of CPW with those of the aperture-coupled microstrip antenna and simplifies the structure of the antenna by reducing the number of metallization level, from three down to two. This feed design eliminates the competition for surface space between the antenna elements and the feed network. The proposed antenna demonstrates the efficiency of the approach based upon CPW series stub within a center conductor in order to get better performance and compactness. It has been shown that the use of CPW series stub printed on the center conductor is potentially effective to ensure that the antenna works at high efficiency in millimeter waves. Finally, the proposed antenna shows broad band characteristics such as 10 dB bandwidth of 4.7 GHz, from 58.3 GHz to 63 GHz.

Published in:

Antennas and Propagation Society International Symposium, 2008. AP-S 2008. IEEE

Date of Conference:

5-11 July 2008