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High-gain multilayered antenna for wireless applications

✍ Scribed by R. K. Gupta; G. Kumar

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 1004 KB
Volume: 50
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.23536

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✦ Synopsis

Abstract

This paper proposes an efficient high‐gain multilayered antenna for wireless applications. The prototype antenna consists of a microstrip antenna which fed single or multiple parasitic patches fabricated on a low cost easily available FR4 superstrate. The patches on superstrate are suspended in air at an integral multiple of λ~o~/2. The structured is designed, fabricated and tested. The measured VSWR [lt] 2 at 5.725–5.875‐GHz frequency band. The proposed antennas with single parasitic patch provide 87% efficiency, SLL of −17 dB with an associated gain of 13.5 dB. The gain increases to 17.1 dB with three parasitic patches. The proposed structure can be packaged inside an application platform. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1923–1929, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23536

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