NDLI: Linear polarization switchable patch array antenna

Content Provider	IEEE Xplore Digital Library
Author	Ushijima, Yu. Nishiyama, E. Aikawa, M.
Copyright Year	2009
Description	Author affiliation: Faculty of Science and Engineering, Saga University, 1, Honjo-machi, Saga-shi, 840-8502, JAPAN (Ushijima, Yu.; Nishiyama, E.; Aikawa, M.)
Abstract	In this paper, the linear polarization switchable patch array antenna is proposed and the characteristics of the proposed antenna are investigated experimentally. The proposed antenna consists of a fed patch element and four parasitic patch elements. The fed element has a cross slot at the center of the patch and four switching diodes are embedded in a star form across the slot. The parasitic elements are around the fed element in order to enhance the gain. When the positive voltage is applied to the proposed patch array antenna, the main polarization angle is tilted to −45deg. When the polarity of the bias voltage applied to the diodes is reversed, the condition of the diodes is changed, and the main polarization angle is tilted to +45deg. Consequently, the proposed patch array antenna can radiate and switch two orthogonal polarizations by the polarity of bias voltage for the diodes. Using the parasitic array technology, the gain of the proposed patch array antenna can be increased than that of single patch antenna. The proposed patch array antenna is practically attractive for the wireless communications systems in the near future.
Starting Page	1
Ending Page	4
File Size	1135836
Page Count	4
File Format	PDF
ISBN	9781424436477
ISSN	15223965
DOI	10.1109/APS.2009.5171570
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Linear antenna arrays Polarization Diodes Antenna arrays Voltage Switches Microstrip antennas Transmitting antennas Dielectric substrates Performance gain
Content Type	Text
Resource Type	Article

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