Metamaterial Lens for Monopulse Beamforming with a 77-GHz Long-Range Radar

Christoph Kohlberger; Richard Hüttner; Andreas Stelzer

doi:10.23919/EuMC50147.2022.9784199

Metamaterial Lens for Monopulse Beamforming with a 77-GHz Long-Range Radar

Christoph Kohlberger, Richard Hüttner, Andreas Stelzer

Research output: Conference proceeding/Chapter in Book/Report/ › Conference Paper › peer-review

Abstract

The presented work describes the application of a metamaterial lens for monopulse beamforming in a 77-GHz automotive radar system. For that, a radar frontend with commercially available MMICs was created and run with a lens system designed on a six-layer printed circuit board. Despite the high design frequency and therefore small structure sizes, the fabricated frequency selective surface exhibited very good performance over a broad frequency range. This is thanks to the phase shifting nature of multiple metasurface bandpasses which were extracted efficiently from a novel interpolation procedure. Both, the single bandpasses and the whole lens system in combination with the radar front-end were measured and verified, giving remarkable results, matching the simulations.

Original language	English
Title of host publication	2021 51st European Microwave Conference (EuMC)
Pages	253-256
Number of pages	4
DOIs	https://doi.org/10.23919/EuMC50147.2022.9784199
Publication status	Published - 6 Apr 2022
Event	2021 51st European Microwave Conference (EuMC) - London, United Kingdom Duration: 4 Apr 2022 → 6 Apr 2022

Conference

Conference	2021 51st European Microwave Conference (EuMC)
Period	4/04/22 → 6/04/22

Keywords

Microwave antennas
Array signal processing
Surface waves
Radar measurements
Radar antennas
Metasurfaces
Metamaterials

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10.23919/EuMC50147.2022.9784199

https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9784199

Cite this

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title = "Metamaterial Lens for Monopulse Beamforming with a 77-GHz Long-Range Radar",

abstract = "The presented work describes the application of a metamaterial lens for monopulse beamforming in a 77-GHz automotive radar system. For that, a radar frontend with commercially available MMICs was created and run with a lens system designed on a six-layer printed circuit board. Despite the high design frequency and therefore small structure sizes, the fabricated frequency selective surface exhibited very good performance over a broad frequency range. This is thanks to the phase shifting nature of multiple metasurface bandpasses which were extracted efficiently from a novel interpolation procedure. Both, the single bandpasses and the whole lens system in combination with the radar front-end were measured and verified, giving remarkable results, matching the simulations.",

keywords = "Microwave antennas, Array signal processing, Surface waves, Radar measurements, Radar antennas, Metasurfaces, Metamaterials",

author = "Christoph Kohlberger and Richard H{\"u}ttner and Andreas Stelzer",

year = "2022",

month = apr,

day = "6",

doi = "10.23919/EuMC50147.2022.9784199",

language = "English",

isbn = "978-1-6654-4721-8",

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note = "2021 51st European Microwave Conference (EuMC) ; Conference date: 04-04-2022 Through 06-04-2022",

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T1 - Metamaterial Lens for Monopulse Beamforming with a 77-GHz Long-Range Radar

AU - Kohlberger, Christoph

AU - Hüttner, Richard

AU - Stelzer, Andreas

PY - 2022/4/6

Y1 - 2022/4/6

N2 - The presented work describes the application of a metamaterial lens for monopulse beamforming in a 77-GHz automotive radar system. For that, a radar frontend with commercially available MMICs was created and run with a lens system designed on a six-layer printed circuit board. Despite the high design frequency and therefore small structure sizes, the fabricated frequency selective surface exhibited very good performance over a broad frequency range. This is thanks to the phase shifting nature of multiple metasurface bandpasses which were extracted efficiently from a novel interpolation procedure. Both, the single bandpasses and the whole lens system in combination with the radar front-end were measured and verified, giving remarkable results, matching the simulations.

AB - The presented work describes the application of a metamaterial lens for monopulse beamforming in a 77-GHz automotive radar system. For that, a radar frontend with commercially available MMICs was created and run with a lens system designed on a six-layer printed circuit board. Despite the high design frequency and therefore small structure sizes, the fabricated frequency selective surface exhibited very good performance over a broad frequency range. This is thanks to the phase shifting nature of multiple metasurface bandpasses which were extracted efficiently from a novel interpolation procedure. Both, the single bandpasses and the whole lens system in combination with the radar front-end were measured and verified, giving remarkable results, matching the simulations.

KW - Microwave antennas

KW - Array signal processing

KW - Surface waves

KW - Radar measurements

KW - Radar antennas

KW - Metasurfaces

KW - Metamaterials

UR - https://ieeexplore.ieee.org/document/9784199/

U2 - 10.23919/EuMC50147.2022.9784199

DO - 10.23919/EuMC50147.2022.9784199

M3 - Conference Paper

SN - 978-1-6654-4721-8

SP - 253

EP - 256

BT - 2021 51st European Microwave Conference (EuMC)

T2 - 2021 51st European Microwave Conference (EuMC)

Y2 - 4 April 2022 through 6 April 2022

ER -

Metamaterial Lens for Monopulse Beamforming with a 77-GHz Long-Range Radar

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