DESIGN OF AN ULTRA-WIDEBAND ANTENNA USING BOOLEAN DIFFERENTIAL EVOLUTION ALGORITHM

DESIGN OF AN ULTRA-WIDEBAND ANTENNA USING BOOLEAN DIFFERENTIAL EVOLUTION ALGORITHM

A compact ultra-wideband (UWB) slot antenna based on a mesh-grid structure is designed. A Boolean differential evolution (BDE) algorithm is used to optimize the mesh-grid structure as well as other parameters of the proposed antenna for good impedance matching in the UWB band. The optimized UWB ante...

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Veröffentlicht in:Progress in electromagnetics research. Letters 2011-01, Vol.26, p.135-141
Hauptverfasser: Xie, L, Jiao, Y.-C
Format: Artikel
Sprache:eng
Schlagworte:
Algebra, Boolean
Antennas (Electronics)
Design and construction
Engineering design
Equipment and supplies
Evolutionary algorithms
Methods
Technology application
Ultra wideband technology
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Zusammenfassung:A compact ultra-wideband (UWB) slot antenna based on a mesh-grid structure is designed. A Boolean differential evolution (BDE) algorithm is used to optimize the mesh-grid structure as well as other parameters of the proposed antenna for good impedance matching in the UWB band. The optimized UWB antenna has a compact size of 24.2 mm x 32.2 mm and is fabricated and measured. According to the measured results, the proposed antenna yields a wide bandwidth, defined by [S.sub.11] < -10 dB ranging from 2.8 to 11.2GHz. And it shows that the BDE algorithm is an effective method for antenna design.
ISSN:1937-6480
1937-6480
DOI:10.2528/PIERL11080804