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Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication / BENJAMIN FALKNER

Swansea University Author: BENJAMIN FALKNER

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DOI (Published version): 10.23889/SUthesis.63262

Abstract

Three innovative low-profile antenna arrays are designed and tested for vehicular satellite and 5G communication. All of the systems presented target key challenges of GEO, LEO and 5G communication. Each design provides a high level of performance for the given application in a far more compact and...

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Published: Swansea, Wales, UK 2023
Institution: Swansea University
Degree level: Doctoral
Degree name: Ph.D
Supervisor: Mehta, Amit.
URI: https://cronfa.swan.ac.uk/Record/cronfa63262
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first_indexed 2023-04-27T10:58:45Z
last_indexed 2023-04-27T10:58:45Z
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spelling v2 63262 2023-04-27 Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication 489602992cbec48d57deb600fddad711 BENJAMIN FALKNER BENJAMIN FALKNER true false 2023-04-27 Three innovative low-profile antenna arrays are designed and tested for vehicular satellite and 5G communication. All of the systems presented target key challenges of GEO, LEO and 5G communication. Each design provides a high level of performance for the given application in a far more compact and lower cost design than existing systems.Firstly, a wideband curl antenna array is developed to enable L-band GEO satellite communication for emergency vehicles. This novel 1×3 rotated array utilises a hybrid switch beam and phase shifting technique to enable full beamforming down to 70° in all directions with 40% lower cost than standard phased array systems. Uniquely, this provides excellent azimuth beam steering at low angles from a linear array. This system also utilises a high impedance surface to reduce the height of the antenna elements by 50% compared to existing curl antenna designs.Secondly, a shared aperture antenna array is developed to enable Ka-band LEO satellite communication for vehicular integration. This system utilise a new combination of circular polarised triangular antennas in an interlaced planar triangular lattice such that the topology provides optimal tessellation. As a result, the system provides high performance beam steering and reconfigurable circular polarisation in a highly compact design. This array has been developed such that it is suitable for common PCB manufacturing methods. Unlike existing shared aperture arrays for LEO terminals, this topology enables reconfigurable circular polarisation in a single, planar PCB structure.Finally, a low-cost wideband compressed spiral antenna array is designed and fabricated for global 5G ground-to-air communication for aircraft. An innovative spiral antenna optimisation is presented where the spiral is highly compressed such that it can provide an axial beam over a wide bandwidth while maintaining a lower profile than existing wideband solutions. E-Thesis Swansea, Wales, UK Smart antenna, Vehicular antenna, Antenna arrays, Satellite Communication, LEO communications, GEO communication, 5G Antenna. 12 3 2023 2023-03-12 10.23889/SUthesis.63262 A selection of third party content is redacted or is partially redacted from this thesis due to copyright restrictions. COLLEGE NANME COLLEGE CODE Swansea University Mehta, Amit. Doctoral Ph.D Swansea University Research Assistant Bursary 2023-09-28T15:10:07.7329425 2023-04-27T11:56:38.9613983 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering BENJAMIN FALKNER 1 63262__27254__c6f7b46e78ad42668abac651daaaf105.pdf 2023_Falkner_BJ.final.63262.pdf 2023-04-28T10:06:31.9683404 Output 12836082 application/pdf Redacted version - open access true Copyright: The Author, Benjamin J. Falkner, 2023. true eng
title Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication
spellingShingle Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication
BENJAMIN FALKNER
title_short Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication
title_full Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication
title_fullStr Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication
title_full_unstemmed Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication
title_sort Low-Profile Wideband Antenna Arrays for Mobile Satellite and 5G Communication
author_id_str_mv 489602992cbec48d57deb600fddad711
author_id_fullname_str_mv 489602992cbec48d57deb600fddad711_***_BENJAMIN FALKNER
author BENJAMIN FALKNER
author2 BENJAMIN FALKNER
format E-Thesis
publishDate 2023
institution Swansea University
doi_str_mv 10.23889/SUthesis.63262
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
active_str 0
description Three innovative low-profile antenna arrays are designed and tested for vehicular satellite and 5G communication. All of the systems presented target key challenges of GEO, LEO and 5G communication. Each design provides a high level of performance for the given application in a far more compact and lower cost design than existing systems.Firstly, a wideband curl antenna array is developed to enable L-band GEO satellite communication for emergency vehicles. This novel 1×3 rotated array utilises a hybrid switch beam and phase shifting technique to enable full beamforming down to 70° in all directions with 40% lower cost than standard phased array systems. Uniquely, this provides excellent azimuth beam steering at low angles from a linear array. This system also utilises a high impedance surface to reduce the height of the antenna elements by 50% compared to existing curl antenna designs.Secondly, a shared aperture antenna array is developed to enable Ka-band LEO satellite communication for vehicular integration. This system utilise a new combination of circular polarised triangular antennas in an interlaced planar triangular lattice such that the topology provides optimal tessellation. As a result, the system provides high performance beam steering and reconfigurable circular polarisation in a highly compact design. This array has been developed such that it is suitable for common PCB manufacturing methods. Unlike existing shared aperture arrays for LEO terminals, this topology enables reconfigurable circular polarisation in a single, planar PCB structure.Finally, a low-cost wideband compressed spiral antenna array is designed and fabricated for global 5G ground-to-air communication for aircraft. An innovative spiral antenna optimisation is presented where the spiral is highly compressed such that it can provide an axial beam over a wide bandwidth while maintaining a lower profile than existing wideband solutions.
published_date 2023-03-12T15:10:08Z
_version_ 1778290743181312000
score 11.013171

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