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Frontiers of Electrical and Electronic Engineering

ISSN 2095-2732

ISSN 2095-2740(Online)

CN 10-1028/TM

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Front Elect Electr Eng    2012, Vol. 7 Issue (4) : 374-380    https://doi.org/10.1007/s11460-012-0215-x
RESEARCH ARTICLE
New compact UWB microstrip-fed printed planar antenna for wireless applications
Fawwaz Jinan Jibrael JABRI()
Electrical and Electronic Engineering Department, University of Technology, Baghdad 00964, Iraq
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Abstract

A proposed circular patch antenna with notch-cut fed by a simple microstrip line is described in this paper. It is designed for ultra-wideband (UWB) wireless communications and applications over the band 3.1–10.6 GHz. This antenna consists of a circular patch with notch-cut fed by a microstrip line, one transition step, and a partial ground plane. The 2:1 voltage standing wave ratio (VSWR) bandwidth (S11<-10 dB) of the proposed antenna covers the entire UWB application range specified by Federal Communications Commission (FCC) that is from 3.1 to 10.6 GHz. The proposed antenna is able to achieve an impedance bandwidth about 8.6 GHz (2.4–11?GHz). The return loss, VSWR, radiation pattern, radiation efficiency, gain, group delay, and current distribution of the proposed antenna are included in this paper. The simulation results and proposed antenna design details are presented by CST Microwave Studio.
Keywords ultra-wideband antennas      patch antenna      current distribution      microstrip feed line      group delay     
Corresponding Author(s): JABRI Fawwaz Jinan Jibrael,Email:fawaz_eng2007@yahoo.com   
Issue Date: 05 December 2012
 Cite this article:   
Fawwaz Jinan Jibrael JABRI. New compact UWB microstrip-fed printed planar antenna for wireless applications[J]. Front Elect Electr Eng, 2012, 7(4): 374-380.
 URL:  
https://academic.hep.com.cn/fee/EN/10.1007/s11460-012-0215-x
https://academic.hep.com.cn/fee/EN/Y2012/V7/I4/374
Fig.1  Geometry of the proposed antenna. (a) Front view; (b) back view; (c) 3D view
Fig.1  Geometry of the proposed antenna. (a) Front view; (b) back view; (c) 3D view
Fig.1  Geometry of the proposed antenna. (a) Front view; (b) back view; (c) 3D view
Fig.1  Geometry of the proposed antenna. (a) Front view; (b) back view; (c) 3D view
Fig.1  Geometry of the proposed antenna. (a) Front view; (b) back view; (c) 3D view
parametervalue/mm
Ws42
Ls50
Wg42
Lg19.6
Wf2.8
Lf20
r10
Wn110
Ln112
Wn23.5
Ln24
Wts0.75
Lts0.75
Tab.1  Structure parameters of the antenna
Fig.2  Simulated return loss () of the proposed UWB antenna
Fig.2  Simulated return loss () of the proposed UWB antenna
Fig.2  Simulated return loss () of the proposed UWB antenna
Fig.2  Simulated return loss () of the proposed UWB antenna
Fig.2  Simulated return loss () of the proposed UWB antenna
Fig.3  Simulated VSWR of the proposed UWB antenna
Fig.3  Simulated VSWR of the proposed UWB antenna
Fig.3  Simulated VSWR of the proposed UWB antenna
Fig.3  Simulated VSWR of the proposed UWB antenna
Fig.3  Simulated VSWR of the proposed UWB antenna
Fig.4  Simulated amplitude surface current distribution of the proposed UWB antenna at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11?GHz
Fig.4  Simulated amplitude surface current distribution of the proposed UWB antenna at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11?GHz
Fig.4  Simulated amplitude surface current distribution of the proposed UWB antenna at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11?GHz
Fig.4  Simulated amplitude surface current distribution of the proposed UWB antenna at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11?GHz
Fig.4  Simulated amplitude surface current distribution of the proposed UWB antenna at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11?GHz
Fig.5  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.5  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.5  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.5  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.5  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.6  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.6  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.6  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.6  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.6  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.7  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.7  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.7  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.7  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.7  Power pattern of the proposed antenna in -plane at (a) 4 GHz; (b) 6 GHz; (c) 9 GHz; and (d) 11 GHz
Fig.8  Simulated gain of the proposed UWB antenna
Fig.8  Simulated gain of the proposed UWB antenna
Fig.8  Simulated gain of the proposed UWB antenna
Fig.8  Simulated gain of the proposed UWB antenna
Fig.8  Simulated gain of the proposed UWB antenna
Fig.9  Simulated radiation efficiency of the proposed UWB antenna
Fig.9  Simulated radiation efficiency of the proposed UWB antenna
Fig.9  Simulated radiation efficiency of the proposed UWB antenna
Fig.9  Simulated radiation efficiency of the proposed UWB antenna
Fig.9  Simulated radiation efficiency of the proposed UWB antenna
Fig.10  Simulated group delay of the proposed UWB antenna
Fig.10  Simulated group delay of the proposed UWB antenna
Fig.10  Simulated group delay of the proposed UWB antenna
Fig.10  Simulated group delay of the proposed UWB antenna
Fig.10  Simulated group delay of the proposed UWB antenna
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[1] Siyang SUN, Yinghua LU, Jinling ZHANG, Fangming RUAN, . Genetic algorithm optimization of broadband microstrip antenna[J]. Front. Electr. Electron. Eng., 2010, 5(2): 185-187.
[2] CHENG Yong, LU Wenjun, CHENG Chonghu, CAO Wei. Design and study of a compact planar ultra-wideband antenna[J]. Front. Electr. Electron. Eng., 2007, 2(4): 440-443.
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