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Design of a Tripod-Shaped Radiator Patch Antenna for Ultra-Wideband Direction Finding
As UWB technology develops and devices become smaller, miniaturization techniques for an array antenna system are required. In addition, more in-depth research is needed for UWB direction-finding techniques using channel impulse response (CIR) data. This paper proposes an ultra-wideband (UWB) antenn...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10674202/ https://www.ncbi.nlm.nih.gov/pubmed/38005544 http://dx.doi.org/10.3390/s23229157 |
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author | Youn, Sangwoon Ohm, Sungsik Jang, Byung-Jun Choo, Hosung |
author_facet | Youn, Sangwoon Ohm, Sungsik Jang, Byung-Jun Choo, Hosung |
author_sort | Youn, Sangwoon |
collection | PubMed |
description | As UWB technology develops and devices become smaller, miniaturization techniques for an array antenna system are required. In addition, more in-depth research is needed for UWB direction-finding techniques using channel impulse response (CIR) data. This paper proposes an ultra-wideband (UWB) antenna using a single-radiator multiple-port (SRMP) design for the direction-finding systems of smart devices. The proposed SRMP antenna was designed using a single tripod-shaped patch that can replace the array system. The tripod-shaped radiator was optimized using the edge shape design function to improve its broadband and mutual coupling characteristics. For performance verification, the proposed antenna was fabricated, and the reflection coefficient, mutual coupling, and radiation patterns were measured in a fully anechoic chamber. The proposed antenna has an operating frequency band of 6.1 GHz (from 5.8 GHz to 11.9 GHz) for port 1 and a measured mutual coupling of −14.8 dB at 8 GHz. The SRMP antenna has measured maximum gains of 3.5 dBi for port 1 and 2.9 dBi for port 2. To examine the direction-finding performance, the fabricated antenna was connected to a circuit module with a DW3000 chip, which is widely employed in commercial mobile UWB systems. The direction of arrival (DoA) results using the measured CIR data show root-mean-square (RMS) errors of 1.57° and 4.58° at distances of 30 cm and 60 cm. |
format | Online Article Text |
id | pubmed-10674202 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-106742022023-11-13 Design of a Tripod-Shaped Radiator Patch Antenna for Ultra-Wideband Direction Finding Youn, Sangwoon Ohm, Sungsik Jang, Byung-Jun Choo, Hosung Sensors (Basel) Communication As UWB technology develops and devices become smaller, miniaturization techniques for an array antenna system are required. In addition, more in-depth research is needed for UWB direction-finding techniques using channel impulse response (CIR) data. This paper proposes an ultra-wideband (UWB) antenna using a single-radiator multiple-port (SRMP) design for the direction-finding systems of smart devices. The proposed SRMP antenna was designed using a single tripod-shaped patch that can replace the array system. The tripod-shaped radiator was optimized using the edge shape design function to improve its broadband and mutual coupling characteristics. For performance verification, the proposed antenna was fabricated, and the reflection coefficient, mutual coupling, and radiation patterns were measured in a fully anechoic chamber. The proposed antenna has an operating frequency band of 6.1 GHz (from 5.8 GHz to 11.9 GHz) for port 1 and a measured mutual coupling of −14.8 dB at 8 GHz. The SRMP antenna has measured maximum gains of 3.5 dBi for port 1 and 2.9 dBi for port 2. To examine the direction-finding performance, the fabricated antenna was connected to a circuit module with a DW3000 chip, which is widely employed in commercial mobile UWB systems. The direction of arrival (DoA) results using the measured CIR data show root-mean-square (RMS) errors of 1.57° and 4.58° at distances of 30 cm and 60 cm. MDPI 2023-11-13 /pmc/articles/PMC10674202/ /pubmed/38005544 http://dx.doi.org/10.3390/s23229157 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Communication Youn, Sangwoon Ohm, Sungsik Jang, Byung-Jun Choo, Hosung Design of a Tripod-Shaped Radiator Patch Antenna for Ultra-Wideband Direction Finding |
title | Design of a Tripod-Shaped Radiator Patch Antenna for Ultra-Wideband Direction Finding |
title_full | Design of a Tripod-Shaped Radiator Patch Antenna for Ultra-Wideband Direction Finding |
title_fullStr | Design of a Tripod-Shaped Radiator Patch Antenna for Ultra-Wideband Direction Finding |
title_full_unstemmed | Design of a Tripod-Shaped Radiator Patch Antenna for Ultra-Wideband Direction Finding |
title_short | Design of a Tripod-Shaped Radiator Patch Antenna for Ultra-Wideband Direction Finding |
title_sort | design of a tripod-shaped radiator patch antenna for ultra-wideband direction finding |
topic | Communication |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10674202/ https://www.ncbi.nlm.nih.gov/pubmed/38005544 http://dx.doi.org/10.3390/s23229157 |
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