Circularly Polarized One-Sided Directional Slot Antenna With Reflector Metal for 5.8-GHz DSRC Operations

被引：20

作者：

Ijiguchi, Tomoya ^{[1
]}

Kanemoto, Daisuke ^{[2
]}

Yoshitomi, Kuniaki ^{[3
]}

Yoshida, Keiji ^{[1
]}

Ishikawa, Akira ^{[4
]}

Fukagawa, Shugo ^{[4
]}

Kodama, Noriyuki ^{[4
]}

Tahira, Akihiro ^{[4
]}

Kanaya, Haruichi ^{[1
]}

机构：

[1] Kyushu Univ, Grad Sch Informat Sci & Elect Engn, Fukuoka 8190395, Japan

[2] Univ Yamanashi, Grad Sch Med & Engn, Yamanashi 4008510, Japan

[3] Kyushu Univ, EJUST Ctr, Fukuoka 8190395, Japan

[4] Kyushu Ten Ltd, Nagasaki 8570115, Japan

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2014年 / 13卷

关键词：

5.8; GHz; circularly polarized antenna; dedicated short-range communications (DSRC); intelligent transportation systems (ITS); reflector metal; slot antenna;

D O I：

10.1109/LAWP.2014.2314962

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 a new design for a circularly polarized one-sided directional slot antenna with reflector metal for 5.8-GHz dedicated short-range communications (DSRC) operations. Our proposed antenna was composed of a slot antenna, additional slots, a floating metal layer, and reflector metal. By optimizing the lengths and widths of the slots in the two orthogonal directions, circularly polarized radiation was generated. In order to improve the antenna gain, some slots were attached on the top metal layer, and a floating metal layer was attached to the bottom of the antenna. Moreover, an additional dielectric substrate and reflector metal layer were connected to the back of the antenna. The total antenna size including the reflector metal layer was 22.6 x 22.6 x 6.926 mm(3). Our proposed antenna was fabricated on an FR4 substrate. The measured impedance bandwidth was 760 MHz from 5.82 to 6.58 GHz, and the measured circularly polarized gain was 4.59 dBic.

引用

页码：778 / 781

页数：4

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