Dual-axis monopulse direction-of-arrival estimation planar antenna employing multilayer structure

Rimi Rashid; Md. Azad Hossain; Eisuke Nishiyama; Ichihiko Toyoda

doi:10.1587/comex.2018XBL0023

This article has now been updated. Please use the final version.

Dual-axis monopulse direction-of-arrival estimation planar antenna employing multilayer structure

Rimi Rashid, Md. Azad Hossain, Eisuke Nishiyama, Ichihiko Toyoda

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Keywords: dual-axis, DOA estimation, multilayer, ring slot, magic-T

JOURNAL FREE ACCESS Advance online publication

Article ID: 2018XBL0023

DOI https://doi.org/10.1587/comex.2018XBL0023

The final version of this article is now available: Vol. 7 (2018), No. 6 pp. 224-229

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Abstract

A novel multilayer structure of a direction-of-arrival (DOA) estimation antenna is proposed in this paper. This antenna provides dual-axis DOA estimation, while conventional monopulse DOA estimation antennas determine arrival angle in a single plane. The proposed antenna has a multilayer structure and consists of four ring-slot antennas and four magic-Ts. The proposed antenna provides both xz- and yz-plane dual-axis DOA estimation by using the monopulse mechanism.

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