Dual frequency band antenna combined with a high impedance band gap surface

被引:17
作者
Folayan, O. [1 ]
Langley, R. [1 ]
机构
[1] Univ Sheffield, Dept Elect & Elect Engn, Sheffield S1 3JD, S Yorkshire, England
关键词
ARTIFICIAL MAGNETIC CONDUCTORS; SELECTIVE SURFACES; SUBSTRATE; DIPOLES;
D O I
10.1049/iet-map.2008.0141
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
A compact dual-band antenna structure for automotive and aerospace applications is discussed. A bow tie dual-band electromagnetic band gap (EBG) element geometry is presented that has a reduced cell dimension compared to the wavelength yet has sufficient bandwidth for mobile communication applications. The EBG was combined with a printed planar monopole to produce a structure 8 mm thick. The return loss and radiation patterns gave satisfactory performance at two frequency bands with bandwidths of 11% at 1700 MHz and 7% at 2600 MHz. There was suppression of the back radiation at both bands of 5 dB or better even for the small 3 x 3 element EBG used and the antenna was platform tolerant.
引用
收藏
页码:1118 / 1126
页数:9
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