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A compact filter-combined ultra-wide band antenna for UWB applications

✍ Scribed by Jung N. Lee; Jong K. Park; Il H. Choi

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
851 KB
Volume
50
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

We have proposed a compact filter‐combined ultra‐wide band antenna for the use of DS‐UWB low band or MB‐OFDM lower three bands (3.1–5.2 GHz). The designed antenna has a microstrip‐fed trapezoidal radiating patch, UWB band pass filter using the dumbbell‐shaped DGS (defected ground structure), and IDC (interdigital capacitor): two steps for impedance matching, and microstrip feeding. Three kinds of prototypes (trapezoidal UWB antenna, UWB band pass filter, and the compact filter‐combined ultra wideband antenna) are fabricated and measured. The designed antenna has the figure‐of‐eight radiation pattern, wide bandwidth, and negligible dispersion over the operating frequency band. Details of the proposed antenna design and the simulated and measured results are presented and discussed. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2839–2845, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23839

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