Dual-Band Stacked Annular Slot/Patch Antenna for Omnidirectional Radiation

被引：23

作者：

Shi, Wei ^{[1
,2
]}

Qian, Zuping ^{[1
]}

Ni, Weiming ^{[1
]}

机构：

[1] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing 210007, Jiangsu, Peoples R China

[2] Nanjing Telecommun Technol Inst, Antenna Lab, Nanjing 210007, Jiangsu, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2016年 / 15卷

关键词：

Annular patch; annular slot; dual band; omni-directional radiation; DESIGN;

D O I：

10.1109/LAWP.2015.2447280

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 letter presents the design of a new omnidirectional antenna, which is composed of annular slot and annular patch stacked together for dual-band operation at 2.5 and 3.5 GHz. The influence of the antenna parameters on the dual-band operation is given with simulations. A prototype of the proposed antenna was manufactured with FR4 substrates for the purpose of demonstration. The measured reflection coefficient exhibits dual-band operation at 2.32 GHz with fractional bandwidth of 19.3%, and at 3.59 GHz with fractional bandwidth of 18.6%. The stable measured omnidirectional radiation patterns can be obtained at both frequencies. The agreement between the measured and simulated patterns can be observed from the experimental results.

引用

页码：390 / 393

页数：4

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