Dual band-notch square monopole antenna with a modified ground plane for UWB applications

被引：9

作者：

Ojaroudi, Nasser ^{[2
]}

Ojaroudi, Mohammad ^{[1
]}

机构：

[1] Islamic Azad Univ, Ardabil Branch, Ardebil, Iran

[2] Shahid Rajaee Teacher Training Univ, Fac Elect & Comp Engn, Tehran, Iran

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 12期

关键词：

square monopole antenna; S-shaped slot; dual band-notched function; ultra wide band applications; FREQUENCY;

D O I：

10.1002/mop.27209

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a novel small square monopole antenna for UWB applications with dual band-notch function. By cutting an S-shaped slot in the ground plane, additional resonance is excited and hence, much wider impedance bandwidth can be produced, especially at the higher band that provides a wide usable fractional bandwidth of more than 120% (2.9812.25 GHz). To generate a single frequency band-stop performance, we add a pair of C-shaped parasitic structures in the ground plane, and also in order to create the second notch frequency, we insert a horizontal rectangular strip in the center of two C-shaped parasitic structure in the ground plane. The measured results reveal that the presented dual band-notch monopole antenna offers a wide bandwidth with two notched bands, covering all the 5.2/5.8 GHz wireless local area network, 3.5/5.5 GHz WiMAX, and 4 GHz C bands. Good and radiation behavior within the UWB frequency range have also been obtained. The antenna has a small dimension of 12 x 18 mm2. (c) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:27432747, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27209

引用

页码：2743 / 2747

页数：5

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