Switchable 8 beams sectoral antenna using Electromagnetic Band Gap surfaces

Author

Lerideau, Guillaume ; Tarot, Anne-claude ; Floch, Jean-marie ; Loison, Renaud ; Thizon, Sophia ; Pied, Samuel ; Daden, Jean-yves

Author_Institution

IETR, Univ. Eur. de Bretagne, Rennes, France

fYear

2011

fDate

14-15 Nov. 2011

Firstpage

1

Lastpage

4

Abstract

In this paper, we present a sectoral antenna with eight independent beams in the azimuth plane. The antenna is composed of eight patch antennas arranged on an octagonal structure. The patch antennas are covered by two layers of Frequency Selective Surfaces (FSS) in order to form Electronic Band Gap (EBG) cavities. The simplicity of the feeding structure is the main advantage of this antenna, indeed there is only one excited patch at the same time. Several simulations have been performed to optimize the realized gain of the structure. The antenna is designed around the frequency of 4.7GHz. The expected characteristics of the antenna are: a gain higher than 15dBi, a scanning angle equal to 45° (eight beams).

Keywords

frequency selective surfaces; microstrip antennas; microwave antennas; photonic band gap; EBG cavities; FSS; electromagnetic band gap surfaces; feeding structure; frequency 4.7 GHz; frequency selective surfaces; patch octagonal structure; switchable 8 beams sectoral antenna; Antenna radiation patterns; Frequency selective surfaces; Metamaterials; Periodic structures; Surface impedance;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Conference (LAPC), 2011 Loughborough

Conference_Location

Loughborough

Print_ISBN

978-1-4577-1014-8

Electronic_ISBN

978-1-4577-1015-5

Type

conf

DOI

10.1109/LAPC.2011.6114125

Filename

6114125