A low-profile antenna with multi-directional beam pattern using loop elements

Nobuhiro Imaizumi; Takeshi Fukusako

doi:10.1587/comex.2018XBL0035

IEICE Communications Express

Online ISSN : 2187-0136
ISSN-L : 2187-0136

A low-profile antenna with multi-directional beam pattern using loop elements

Nobuhiro Imaizumi, Takeshi Fukusako

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Keywords: low-profile antenna, vertical polarization, multi-directional beam, wireless sensor network, sensor node

JOURNAL FREE ACCESS

2018 Volume 7 Issue 7 Pages 254-259

DOI https://doi.org/10.1587/comex.2018XBL0035

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Abstract

A low-profile antenna having four directional beam patterns using loop elements has been proposed. The proposed antenna is vertically polarized and has four directional beams for sensor nodes. The thickness of the antenna is only 3.2 mm (0.11 effective wavelength) resulting in a low-profile structure. Simulated and measured average gain of 8.0 dBi and 5.6 dBi are obtained, respectively.

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