NDLI: Low-Cost Wideband Microstrip Arrays With High Aperture Efficiency

Content Provider	IEEE Xplore Digital Library
Author	Zhongkun Ma Vandenbosch, G.A.E.
Copyright Year	1963
Abstract	Three novel two-dimensional wideband arrays of microstrip E shaped patches are designed for use in a 10% frequency range around the 2.45 GHz ISM band. The proposed arrays are intended to serve as subarray in a switchable outdoor antenna that has to be low-cost and very compact. The scan in the horizontal plane is performed by using switching between six subarrays covering 180 degrees. The main design criterion was a combination of the bandwidth with an aperture efficiency as high as possible, since this allows to minimize occupied space. The design is based on a method of moments algorithm in combination with a particle swarm optimization. CST MW Studio was employed for validation purposes before manufacturing. A very good agreement was achieved between simulated and measured results. The maximum measured aperture efficiencies of the last two arrays are 105% and 86%, respectively, which is considerably higher than what has been reported up to now in literature for wideband microstrip arrays.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	3028
Ending Page	3034
Page Count	7
File Size	556148
File Format	PDF
ISSN	0018926X
Volume Number	60
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Apertures Prototypes Gain Bandwidth Gain measurement Microstrip antenna arrays Microstrip Wireless Local Area Network (WLAN) Antenna array aperture efficiency
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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