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New compact UWB microstrip-fed printed planar antenna for wireless applications

Frontiers of Electrical and Electronic Engineering in China 2012年第4期7卷 374-380页

作者： Fawwaz Jinan Jibrael JABRI Electrical and Electronic Engineering Department University ofTechnology Baghdad 00964 Iraq

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： l voltage standing wave ratio （VSWR） bandwidth （Sll 〈-10dB） of the proposed antenna covers the entire UWB application range specified by Federal Communications Commission （FCC） that is from 3.1 to 10.6GHz. 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, distribution of the proposed group delay, and current antenna are included in this paper. The simulation results and proposed antenna design details are presented by CST Microwave Studio.

关键词： ultra-wideband antennas patch antenna cur-rent distribution microstrip feed line group delay

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Design of Printed Notched-Monopole UWB Antenna

Design of Printed Notched-Monopole UWB Antenna

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2009 IEEE International Conference on Intelligent Computing and Intelligent Systems(ICIS2009)

作者： Weiwen Li Lishao Cai Baiqiang You Department of Electronic Engineering Xiamen University Xiamen Fujian PR of China Changbin Huang School of Information Engineering Jimei University Xiamen Fujian PR of China

To meet the requirement of ultra band wide （UWB） communications,a printed monopole antenna of tapered and notched radiator is *** simulated and measured results show that the proposed antenna achieves a broad operating bandwidth of 3.07 10.92 GHz for the 10-dB return *** antenna features omni-directional radiation patterns and high radiation *** parametric studies indicate that to maintain the UWB impedance performance the width of the residual lower-side metal patch must be larger than one eighth of the higher resonant *** miniaturize the antenna size,for the rectangular ground plane the width can be a bit smaller than half of the lower resonant wavelength and the height a bit larger than a quarter of this wavelength.

关键词： ultra wide band printed monopole antenna radiation element rectangular ground plane microstrip feed line

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