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High‐gain multilayered antenna for wireless applications
Author(s) -
Gupta R. K.,
Kumar G.
Publication year - 2008
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.23536
Subject(s) - standing wave ratio , microstrip antenna , antenna gain , high gain antenna , antenna (radio) , microwave , wireless , electrical engineering , electronic engineering , patch antenna , engineering , optoelectronics , materials science , antenna factor , telecommunications
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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