Circularly polarized one-sided directional slot antenna with reflector metal for 5.8-GHz DSRC operations

Tomoya Ijiguchi, Daisuke Kanemoto, Kuniaki Yoshitomi, Keiji Yoshida, Akira Ishikawa, Shugo Fukagawa, Noriyuki Kodama, Akihiro Tahira, Haruichi Kanaya

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

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 × 22.6 × 6.926mm3. 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.

Original languageEnglish
Article number6782421
Pages (from-to)778-781
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume13
DOIs
Publication statusPublished - Jan 1 2014

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Dedicated short range communications
Slot antennas
Antennas
Metals
Substrates
Bandwidth
Radiation

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

Circularly polarized one-sided directional slot antenna with reflector metal for 5.8-GHz DSRC operations. / Ijiguchi, Tomoya; Kanemoto, Daisuke; Yoshitomi, Kuniaki; Yoshida, Keiji; Ishikawa, Akira; Fukagawa, Shugo; Kodama, Noriyuki; Tahira, Akihiro; Kanaya, Haruichi.

In: IEEE Antennas and Wireless Propagation Letters, Vol. 13, 6782421, 01.01.2014, p. 778-781.

Research output: Contribution to journalArticle

Ijiguchi, Tomoya ; Kanemoto, Daisuke ; Yoshitomi, Kuniaki ; Yoshida, Keiji ; Ishikawa, Akira ; Fukagawa, Shugo ; Kodama, Noriyuki ; Tahira, Akihiro ; Kanaya, Haruichi. / Circularly polarized one-sided directional slot antenna with reflector metal for 5.8-GHz DSRC operations. In: IEEE Antennas and Wireless Propagation Letters. 2014 ; Vol. 13. pp. 778-781.
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AU - Ishikawa, Akira

AU - Fukagawa, Shugo

AU - Kodama, Noriyuki

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