Wideband Circularly Polarized Patch Antenna Using Meta-material

被引:0
作者
Anamika [1 ]
Yadav, Brijesh Kumar [1 ]
机构
[1] SRMS CET, ECE Dept, Bareilly, Uttar Pradesh, India
来源
2017 2ND INTERNATIONAL CONFERENCE ON TELECOMMUNICATION AND NETWORKS (TEL-NET) | 2017年
关键词
microstrip patch antenna; circularly polarized patch antenna; meta-material; SPLIT-RING RESONATORS; DESIGN; METAMATERIALS;
D O I
暂无
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 Matching polarization in both the transmitter and receiver antennas is important in terms of decreasing transmission losses. The use of circularly polarized antennas presents an attractive solution to achieve this polarization match which allows for more flexibility between transmitting and receiving antennas, reduces the effect of multipath reflections, enhances weather penetration and allows for the mobility of both the transmitter and the receiver. This paper proposes a circularly polarized micro-strip patch antenna which is a set of 7X7 meta surface based patch antenna and is fed by a co-axial feed. With the use of meta-material, improved performance in terms of axial ratio bandwidth is achieved. The antenna consists of a rectangular, slotted patch radiator, a meta-surface of 7X7 rectangular ring unit cells and a coaxial feed using GILMC5 substrate. The final design, with an overall size of (21.9357mmX15.65mmX4.8mm) was fabricated and measured. The antenna has a measured 3dB axial ratio bandwidth of (3.61-4.38) GHz (16.90%), a gain of 6.59dB, (3.94-4.24) GHz bandwidth (7.1428%) at 4.2 GHz. Desired patch antenna design is initially simulated by using ANSYS HFSS Simulator and patch antenna is realized as per design requirements.
引用
收藏
页码:108 / 113
页数:6
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