A Conformal Conical Archimedean Spiral Antenna for UWB Communications

被引：3

作者：

Song Lizhong ^{[1
]}

Fang Qingyuan ^{[2
]}

机构：

[1] Harbin Inst Technol Weihai, Sch Elect & Informat Engn, Weihai 264209, Peoples R China

[2] Harbin Inst Technol, Sch Elect & Informat Engn, Harbin 150001, Peoples R China

来源：

CHINESE JOURNAL OF ELECTRONICS | 2015年 / 24卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Ultra wideband (UWB) communications; Conformal antenna; Miniaturized antenna; Archimedean spiral antenna; Microstrip tapered Balun; CIRCULAR-POLARIZATION; GROUND PLANE; SLOT ANTENNA; DESIGN; EBG;

D O I：

10.1049/cje.2015.04.030

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：

In this paper, a wide-band miniaturized Conformal conical Archimedean spiral (CCARS) antenna is proposed for Ultra wideband (UWB) communications. The CCARS antenna utilizes the vertical space instead of horizontal space significantly saving the antenna installation space. We investigate the transformation from Planar Archimedean spiral (PARS) antenna to the CCARS antenna and the antenna miniaturization technique. Due to the using of flexible dielectric substrate, the PARS antenna can be bent freely, which assures the transformation from the PARS antenna to the CCARS antenna. To realize antenna miniaturization, zigzag shape arms are applied to the PARS antenna. Moreover, the CCARS antenna has good unidirectional radiation property that avoids the using of traditional absorber-loaded back cavity. The measured results of antenna prototype indicate that the Voltage standing wave ratio (VSWR) is below 2 over the frequency range from 1.3GHz to 9GHz. The antenna gain is higher than 3.4dBi and the Front to back (F/B) ratio is better than 20dB from 2GHz to 7GHz. In addition, good radiation patterns and broad 3dB beam width are also available for the CCARS antenna.

引用

页码：402 / 407

页数：6

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