A PRACTICAL CPW-FED UWB ANTENNA WITH RECONFIGURABLE DUAL BAND-NOTCHED CHARACTERISTICS | Zendy

Jingjing Zhang | Zendy; Tingting Chen | Zendy; Yanming Lv | Zendy; Hailong Xing | Zendy

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A PRACTICAL CPW-FED UWB ANTENNA WITH RECONFIGURABLE DUAL BAND-NOTCHED CHARACTERISTICS

Author(s) -

Jingjing Zhang,

Tingting Chen,

Yanming Lv,

Hailong Xing

Publication year - 2019

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm19040504

Subject(s) - multi band device , dual (grammatical number) , antenna (radio) , reconfigurable antenna , materials science , computer science , acoustics , telecommunications , electronic engineering , physics , microstrip antenna , engineering , antenna efficiency , art , literature

A practical coplanar waveguide (CPW) fed ultra-wideband (UWB) antenna with reconfigurable dual band-notched characteristics is proposed in this paper. A cup-shaped branch is added to the grounding plate and a step impedance resonator (SIR) added to the microstrip line, which realize notch characteristics in 5.1 ∼ 5.9 GHz and 7 ∼ 7.8 GHz bands and realize double notch function with good radiation direction characteristics. The antenna bandwidth is extended by using CPW feeding, ranging from 3GHz to 16 GHz with the relative bandwidth of 137%. The notch band reconfigurability is realized by integrating three switches into the cup-shaped branch and SIR. In addition, the proposed antenna has a compact size of 24mm × 32mm × 1.5mm and can provide omnidirectional radiation pattern, which is suitable for UWB communication applications.

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