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Novel compact band‐notched UWB antenna using convex‐shaped slot patch
Author(s) -
Tang ZhiJun,
Wu XiaoFeng,
Zhan Jie
Publication year - 2015
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.28820
Subject(s) - patch antenna , microstrip antenna , antenna measurement , radiation pattern , ground plane , coaxial antenna , monopole antenna , return loss , antenna factor , antenna efficiency , acoustics , bandwidth (computing) , optics , antenna (radio) , materials science , physics , engineering , electrical engineering , telecommunications
A simple and compact printed band‐notched antenna operating at a frequency range of 3.1–22.0 GHz is presented for ultrawideband applications. The proposed antenna comprises a convex‐shaped patch embedded by an elliptic slot and a rectangular slot, and an additional rectangular patch, which is fed by a microstrip line and a partial ground plane with a rectangular slit. Several bandwidth enhancement techniques are applied in the antenna structure to broaden the bandwidth to a great extent. The overall size of the antenna is 36 × 33 mm 2 . The simulation and experiment results show that the proposed antenna achieves good impedance bandwidth of 3.05–22.5 GHz (the return loss less than −10 dB), with a band‐notched of 5.1–5.9 GHz. Furthermore, the proposed antenna also achieves stable antenna gain and radiation patterns. The measured results agree well with the simulated prediction. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:201–203, 2015
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