Wide-angle ceramic retroreflective luneburg lens based on quasi-conformal transformation optics for mm-wave indoor localization

P Kaděra, J Sánchez-Pastor, H Eskandari, T Tyc… - IEEE …, 2022 - ieeexplore.ieee.org
This paper presents a quasi-conformal transformation optics (QCTO) based three-
dimensional (3D) retroreflective flattened Luneburg lens for wide-angle millimeter-wave …

Versatile 126–182 GHz UWB D-band FMCW radar for industrial and scientific applications

S Kueppers, T Jaeschke, N Pohl… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
In this letter, a D-band frequency-modulated continuous wave (FMCW) radar for industrial
and scientific applications is presented. It covers an ultrawide 56 GHz sweep bandwidth …

Frequency selective surface coded retroreflectors for chipless indoor localization tag landmarks

A Jiménez-Sáez, M Schüßler, M El-Absi… - IEEE Antennas and …, 2020 - ieeexplore.ieee.org
This letter presents the integration of frequency selective surfaces (FSSs) with retroreflectors
for the realization of chipless wireless indoor localization tag landmarks. As an example, the …

Gradient-index-based frequency-coded retroreflective lenses for mm-wave indoor localization

P Kadera, A Jimenez-Saez, T Burmeister, J Lacik… - IEEE …, 2020 - ieeexplore.ieee.org
This article introduces retroreflective lenses for millimeter-wave radio-frequency indoor
localization. A three-dimensional (3D) gradient-index Luneburg lens is employed to …

Frequency-coded mm-wave tags for self-localization system using dielectric resonators

A Jiménez-Sáez, A Alhaj-Abbas, M Schüßler… - Journal of Infrared …, 2020 - Springer
The paper describes the development of passive, chipless tags for a novel indoor self-
localization system operating at high mm-wave frequencies. One tag concept is based on …

Millimeter wave indoor SAR sensing assisted with chipless tags-based self-localization system: experimental evaluation

A Batra, AA Abbas, J Sánchez-Pastor… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
This article addresses indoor environment map** by employing the synthetic aperture
radar (SAR) technique at millimeter wave (mmWave) frequencies. The mmWave-based SAR …

Photonic-Crystal-Resonator-Based Corner Reflector With Angle-of-Arrival Sensing

AA Abbas, Y Zhao, JC Balzer… - IEEE Journal of Radio …, 2023 - ieeexplore.ieee.org
In this paper, we propose a Photonic Crystal (PhC) resonator based corner reflector for
sensing the Angle-of-Arrival (AoA) of the incident wave from an interrogator. The sensor is …

Experimental demonstration of double-notch RCS spectral signature of corner reflector tag for THz self-localization system

K Solbach, AA Abbas, M El-Absi… - … Workshop on Mobile …, 2020 - ieeexplore.ieee.org
Dihedral corner reflectors with arrays of dielectric resonators fixed on the metal plates are
shown to exhibit notched spectral signatures of the monostatic Radar Cross Section. Two …

Evaluation of chipless RFID indoor landmarks at 80 GHz and 240 GHz using FMCW radars

J Sánchez-Pastor, L Piotrowsky… - 2022 16th European …, 2022 - ieeexplore.ieee.org
This paper presents measurements of chipless RFID radar landmarks designed for indoor
localization applications at 80 GHz and 240 GHz by means of frequency modulated …

Wireless mm-Wave Chipless Pressure Sensor

S Rodini, S Genovesi, G Manara… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
An innovative passive wireless pressure sensor is proposed. The sensor is based on a
millimeter-wave chipless tag operating in the-band that works in combination with a …