KoRaTo publications
2025
63.
A. Fröhlich and
I. Ullman,
"A Dataset on Human Activity Recognition with a Multistatic Radar Network"
in The European Radar Conference (EuRAD),
2025.
62.
J. Kanz,
C. Bonfert,
C. Gesell,
A. Grathwohl,
F. Bormuth,
G. Krieger and
C. Waldschmidt,
"Coherent Multistatic UAV-Based SAR",
IEEE Transactions on Radar Systems,
2025.
| DOI: | 10.1109/TRS.2025.3593818 |
61.
M. N. Peixoto,
G. Krieger,
A. Moreira,
C. Waldschmidt and
M. Villano,
"Distributed SAR Interferometry for Digital Elevation Model Generation Using Microsatellites: Processing and Demonstration",
IEEE Trans. Geosci. Remote Sens., in review,
2025.
60.
J. Kanz,
C. Gesell,
M. Vossiek and
C. Waldschmidt,
"Efficient Bistatic Radar Processing Using Subsampled FMCW Ramps"
in 16. German Microwave Conference (GeMiC),
2025.
| DOI: | 10.23919/GeMiC64734.2025.10979018 |
59.
V. M. Perez,
S. Kim,
J. Kanz,
C. Bonfert,
A. Grathwohl,
G. Krieger and
M. Villano,
"Generation of Accurate, High-Resolution Digital Elevation Models from Ultra-Wideband, Drone-Borne, Repeat-Pass Interferometric SAR",
Applied Earth Observations and Remote Sensing,
2025.
58.
J. Kanz,
A. Grathwohl,
M. Fischer,
F. Bormuth,
C. Damm and
C. Waldschmidt,
"High-Resolution Imaging of Internal Glacial Structures with a UAV-Based Radar System"
in IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2025.
57.
F. Bormuth,
R. Riekenbrauck,
J. Kanz,
E. Sterk,
D. Schmidt,
R. F. H. Fischer,
G. Krieger,
C. Waldschmidt and
C. Damm,
"Histogram-Based Analysis of UAV-SAR Data for Agricultural Vegetation Classification"
in International Conference on Electromagnetics in Advanced Applications,
2025.
56.
P. Hinz,
A. Diepolder,
G. Fois,
M. Frick and
C. Damm,
"In Vitro Epithelial Lung Cell Vitality Measurements With mm-Waves",
IEEE Journal of Microwaves,
2025.
| DOI: | 10.1109/JMW.2025.3527900 |
55.
P. Fenske,
T. Koegel,
R. Ghasemi,
D. Gunders-Hunt and
M. Vossiek,
"Integrated Self-Contained Trajectory Estimation and Multistatic SAR Imaging in a Non-Static Uncoupled Bistatic Radar Network",
IEEE Journal of Microwaves,
2025.
| DOI: | 10.1109/JMW.2025.3554050 |
54.
E. Sterk and
R. F. H. Fischer,
"Iterative Recovery Algorithms for Complex-Valued Distributed Compressed Sensing,"
in 14. Conference on Systems,
2025.
| DOI: | 10.1109/IEEECONF62907.2025.10949114 |
53.
A. Khalili and
R. Schober,
"Movable Antenna Enabled ISAC: Tackling Slow Antenna Movement, Dynamic RCS, and Imperfect CSI via Two-timescale Optimization",
Major Revision IEEE Transactions on Wireless Communications, arXiv preprint,
2025.
| DOI: | arXiv:2503.18547. 2025 |
52.
V. M. Perez,
S. Kim,
J. Kanz,
C. Bonfert,
A. Grathwohl,
M. Widmann,
F. Bormuth,
G. Krieger and
M. Villano,
"Producing High-Quality Digital Elevation Models from Ultra-Wideband Drone-Borne SAR Interferometry"
in Proc. 26. International Radar Symposium (IRS),
2025.
| DOI: | 10.23919/IRS64527.2025.11046023 |
51.
M. A. Lahmeri,
V. M. Perez,
M. Vossiek,
G. Krieger and
R. Schober,
"Sensing Accuracy Optimization for Communication-Assisted Dual-Baseline UAV-InSAR"
in Proc. IEEE International Conference on Communications (ICC),
2025.
50.
M. A. Lahmeri,
P. Fakharizadeh,
V. M. Perez,
M. Vossiek,
G. Krieger and
R. Schober,
"Sensing Accuracy Optimization for Multi-UAV Radar Interferometry with Data Offloading",
arXiv preprint,
2025.
| DOI: | arXiv:2507.11284, 2025 |
49.
G. Cicioni,
F. Alimenti,
T. Grebner,
J. Kanz,
R. Riekenbrauck and
C. Waldschmidt,
"Spatially Resolved River Monitoring by UAV-Borne 4D-Imaging Radar: Experiments and Preliminary Validation",
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,
2025.
| DOI: | 10.1109/JSTARS.2025.3549772 |
48.
M. A. Lahmeri,
V. M. Perez,
M. Vossiek,
G. Krieger and
R. Schober,
"UAV Formation and Resource Allocation Optimization for Communication-Assisted 3D InSAR Sensing",
IEEE Transactions on Communications,
2025.
| DOI: | 10.1109/tcomm.2025.3535902 |
47.
A. Grathwohl,
J. Kanz,
C. Bonfert and
C. Waldschmidt,
"UAV-Based SAR-Imaging of Objects From Arbitrary Trajectories Using Weighted Backprojection",
IEEE Journal of Microwaves,
2025.
| DOI: | 10.1109/JMW.2025.2575157 |
46.
J. Kanz,
C. Gesell,
C. Bonfert,
D. Werbunat,
A. Grathwohl,
J. Aguilar,
M. Vossiek and
C. Waldschmidt,
"UAV-Borne Digital Radar for Bistatic SAR Imaging",
arXiv preprint,
2025.
| DOI: | 10.48550/arXiv.2507.20792 |
45.
R. Ghasemi,
P. Fenske,
T. Koegel,
M. Hehn,
I. Ullmann and
M. Vossiek,
"Ultrahigh-Performance Radio Frequency System-on-Chip Implementation of a Kalman Filter-Based High-Precision Time and Frequency Synchronization for Networked Integrated Sensing and Communication Systems",
IEEE Open Journal of Instrumentation and Measurement,
2025.
| DOI: | 10.1109/OJIM.2025.3527532 |
2024
44.
P. Fenske,
S. Brückner,
T. Kögel and
M. Vossiek,
"A Novel Concept for Vehicle 2D Pose Estimation Using Automotive SIMO FMCW Radar Sensors in a Bistatic Vehicle-to-Infrastructure Network"
in 2024 IEEE Radar Conference,
2024.
| DOI: | 10.1109/RadarConf2458775.2024.10548072 |
43.
S. Kim,
V. M. Perez and
M. Villano,
"Accounting for Co-Registration Errors in the Interferometric Coherence Model of Semi-Transparent Media",
IEEE Geoscience and Remote Sensing Letters,
2024.
| DOI: | 10.1109/lgrs.2024.3519417 |
42.
A. Khalili and
R. Schober,
"Advanced ISAC Design: Movable Antennas and Accounting for Dynamic RCS"
in IEEE Global Communications Conference,
2024.
| DOI: | 10.1109/GLOBECOM52923.2024.10901248 |
41.
J. Kanz,
C. Bonfert,
R. Riekenbrauck and
C. Waldschmidt,
"Bistatic UAV-Based Repeater SAR for 3D Object Localization"
in 15. European Conference on Synthetic Aperture Radar,
2024.
40.
P. Fenske,
T. Koegel,
R. Ghasemi and
M. Vossiek,
"Constellation Estimation, Coherent Signal Processing, and Multiperspective Imaging in an Uncoupled Bistatic Cooperative Radar Network",
IEEE Journal of Microwaves,
2024.
| DOI: | 10.1109/JMW.2024.3393120 |
39.
S. Kim,
V. M. Perez,
G. Krieger and
M. Villano,
"Demonstration of Frequency-Dependent Penetration Depth Estimation Using SAR Interferometry with Wide Fractional Bandwidth"
in IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2024.
| DOI: | 10.1109/IGARSS53475.2024.10642476 |
38.
S. Kim,
V. M. Perez,
G. Krieger and
M. Villano,
"Demonstration Of Frequency-Dependent Penetration Depth Estimation Using Sar Interferometry With Wide Fractional Bandwidth"
in IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2024.
| DOI: | 10.1109/IGARSS53475.2024.10642476 |
37.
A. Khalili,
A. Rezaei,
D. Xu,
F. Dressler and
R. Schober,
"Efficient UAV Hovering, Resource Allocation, and Trajectory Design for ISAC With Limited Backhaul Capacity",
IEEE Transactions on Wireless Communications,
2024.
| DOI: | 10.1109/TWC.2024.3455370 |
36.
P. Hinz,
M. Mueh,
A. Diepolder,
G. Fois,
M. Frick and
C. Damm,
"Enabling mm-Wave In Vitro Cell Vitality Measurements in Standard Cultivation Environment"
in IEEE MTT-S International Microwave Biomedical Conference (IMBioC),
2024.
| DOI: | 10.1109/IMBioC60287.2024.10590303 |
35.
V. M. Perez,
J. Kanz,
C. Bonfert,
A. Grathwohl,
L. Lamberti,
S. Kim,
G. Krieger and
M. Villano,
"Experimental Demonstration of UAV-Based Ultra-Wideband Multi-Baseline SAR Interferometry"
in European Conference on Synthetic Aperture Radar (EUSAR),
2024.
34.
A. Diepolder,
L. Schmidt,
S. Brandl,
P. Hinz,
C. Waldschmidt and
C. Damm,
"Hybrid Fishnet Metamaterial Based on Liquid Crystal and P-I-N Diodes for Reconfigurable Transmitarrays at 10GHz",
IEEE Journal of Microwaves,
2024.
| DOI: | 10.1109/JMW.2024.3518772 |
33.
C. Bonfert,
E. Ruopp and
C. Waldschmidt,
"Improving SAR Imaging by Superpixel-Based Compressed Sensing and Backprojection Processing",
IEEE Transactions on Geoscience and Remote Sensing,
2024.
| DOI: | 10.1109/TGRS.2024.3385027 |
32.
P. Hinz,
M. Mueh,
A. Diepolder and
C. Damm,
"Lithography Process Verification on Porous PET Membranes for Cell Measurements Using THz-TDS Imaging"
in International Conference on Electromagnetics in Advanced Applications (ICEAA),
2024.
| DOI: | 10.1109/ICEAA61917.2024.10701615 |
31.
V. M. Perez,
S. Kim,
G. Krieger and
M. Villano,
"New Insights Into Wideband Synthetic Aperture Radar Interferometry",
IEEE Geoscience and Remote Sensing Letters,
2024.
| DOI: | 10.1109/LGRS.2024.3453413 |
30.
M. A. Lahmeri,
W. R. Ghanem,
C. Bonfert and
R. Schober,
"Robust Trajectory and Resource Optimization for Communication-Assisted UAV SAR Sensing",
IEEE Open Journal of the Communications Society,
2024.
| DOI: | 10.1109/OJCOMS.2024.3396922 |
29.
S. Kim,
V. M. Perez,
G. Krieger and
M. Villano,
"Single Baseline 3-D Structure Retrieval Using Radar with Wide Fractional Bandwidth Mounted on Drones"
in 15. European Conference on Synthetic Aperture Radar,
2024.
28.
R. Ghasemi,
T. Koegel,
P. Fenske,
R. Schober and
M. Vossiek,
"Time and Frequency Synchronization for Real-Time Wireless Digital Communication Systems"
in 15. German Microwave Conference (GeMiC),
2024.
| DOI: | 10.23919/GeMiC59120.2024.10485238 |
27.
I. Ullmann,
C. Bonfert,
A. Grathwohl,
M. A. Lahmeri,
V. M. Perez,
J. Kanz,
E. Sterk,
F. Bormuth,
R. Ghasemi,
P. Fenske,
M. Villano,
R. Schober,
R. F. H. Fischer,
G. Krieger,
C. Damm,
C. Waldschmidt and
M. Vossiek,
"Towards Detecting Climate Change Effects With UAV-Borne Imaging Radars",
IEEE Journal of Microwaves,
2024.
| DOI: | 10.1109/JMW.2024.3450015 |
26.
M. A. Lahmeri,
V. M. Perez,
M. Vossiek,
G. Krieger and
R. Schober,
"UAV Formation Optimization for Communication-Assisted InSAR Sensing"
in Proc. IEEE International Conference on Communications (ICC),
2024.
| DOI: | 10.1109/ICC51166.2024.10622647 |
2023
25.
L. Engel,
D. Khouri,
K. Lomakin,
A. Hofmann,
M. Kleinlein,
I. Ullmann,
M. Vossiek and
G. Gold,
"3D Printed Hemispherically Radiating Antenna for Broadband Millimeter Wave Applications",
, IEEE Open Journal of Antennas and Propagation,
2023.
| DOI: | 10.1109/ojap.2023.3279090 |
24.
A. Diepolder,
M. Mueh,
S. Brandl,
P. Hinz,
C. Waldschmidt and
C. Damm,
"A Novel Rotation-Based Standardless Calibration and Characterization Technique for Free-Space Measurements of Dielectric Material",
IEEE Journal of Microwaves,
2023.
| DOI: | 10.1109/JMW.2023.3340448 |
23.
I. Ullmann and
M. Vossiek,
"A Novel, Efficient Algorithm for Subsurface Radar Imaging below a Non-Planar Surface",
Sensors,
2023.
| DOI: | 10.3390/s23229021 |
22.
P. Fenske,
T. Kögel,
A. Scheder,
K. Root,
C. Carlowitz and
M. Vossiek,
"An Active Self-Interference Cancellation Coupler with 60 dB Isolation Applied in a 24 GHz SFCW Radar"
in IEEE/MTT-S International Microwave Symposium (IMS),
2023.
| DOI: | 10.1109/IMS37964.2023.10187937 |
21.
D. Werbunat,
B. Schweizer,
M. Maier,
C. Bonfert and
C. Waldschmidt,
"An All-Digital Carrier Synthesis for Stepped OFDM Radars"
in IEEE/MTT-S International Microwave Symposium (IMS),
2023.
| DOI: | 10.1109/IMS37964.2023.10187968 |
20.
E. Sterk,
C. Sippel and
R. F. H. Fischer,
"Comparison of Damping Approaches for AMP"
in 26. International ITG Workshop on Smart Antennas and 13. Conference on Systems (WSA & SCC),
2023.
19.
A. Grathwohl,
B. Arendt,
T. Grebner and
C. Waldschmidt,
"Detection of Objects Below Uneven Surfaces With a UAV-Based GPSAR,",
IEEE Transactions on Geoscience and Remote Sensing,
2023.
| DOI: | 10.1109/TGRS.2023.3271826 |
18.
A. Khalili,
A. Rezaei,
D. Xu and
R. Schober,
"Energy-Aware Resource Allocation and Trajectory Design for UAV-Enabled ISAC"
in IEEE Global Communications Conference (GLOBECOM),
2023.
| DOI: | 10.1109/GLOBECOM54140.2023.10437374 |
17.
D. Schwarz,
M. Linder,
C. Bonfert and
C. Waldschmidt,
"Improving the Image Quality in High-Resolution 4D Radars with Sparse Arrays by Compressed Sensing"
in International Conference on Electromagnetics in Advanced Applications (ICEAA),
2023.
| DOI: | 10.1109/ICEAA57318.2023.10297850 |
16.
M. Villano,
V. M. Perez,
T. Börner,
M. Peixoto,
N. Ustalli,
J. Mittermayer,
A. Moreira,
S. Kim,
F. Scala and
G. Krieger,
"Multi-Static Synthetic Aperture Radar for Earth Monitoring: Challenges, Innovative Solutions, and Demonstrations Using Swarms of Drones"
in 8. Asia-Pacific Conference on Synthetic Aperture Radar (APSAR),
2023.
| DOI: | 10.1109/APSAR58496.2023.10388633 |
15.
M. Villano,
M. N. Peixoto,
S. Kim,
V. M. Perez,
N. Ustalli,
F. Scala,
T. Börner,
J. Mittermayer,
G. Krieger and
A. Moreira,
"Multi-Static Synthetic Aperture Radar for Earth Monitoring: Challenges, Innovative Solutions, and Demonstrations Using Swarms of Drones"
in 8. Asia-Pacific Conference on Synthetic Aperture Radar (APSAR),
2023.
| DOI: | 10.1109/APSAR58496.2023.10388633 |
14.
M. N. Peixoto,
G. Krieger,
A. Moreira,
C. Waldschmidt and
M. Villano,
"On the Exploitation of CubeSats for Highly Accurate and Robust Single-Pass SAR Interferometry",
IEEE Trans. Geosci. Remote Sens.,
2023.
| DOI: | 10.1109/TGRS.2023.3316895 |
13.
M. Villano,
M. N. Peixoto,
S. Kim,
V. M. Perez,
N. Ustalli,
J. Mittermayer,
T. Börner,
G. Krieger and
A. Moreira,
"Potential of Multi-Static SAR Systems for Earth Monitoring and Their Demonstration Using Swarms of Drones"
in IEEE Int. Geosci. Remote Sens. Symp. (IGARSS),
2023.
| DOI: | 10.1109/IGARSS52108.2023.10282166 |
12.
M. Villano,
M. N. Peixoto,
S. Kim,
V. M. Perez,
N. Ustalli,
J. Mittermayer,
T. Börner,
G. Krieger and
A. Moreira,
"Potential of Multi-Static SAR Systems for Earth Monitoring and Their Demonstration Using Swarms of Drones"
in IEEE International Geoscience and Remote Sensing Symposium (IGARSS),
2023.
| DOI: | 10.1109/IGARSS52108.2023.10282166 |
11.
P. Fenske,
A. Scheder,
T. Koegel,
K. Root,
M. Vossiek and
C. Carlowitz,
"Self-Interference Leakage Estimation \textquoteleftN\textquoteright Cancellation Element: Design of an Active Self-Interference Cancellation Coupler",
IEEE Microwave Magazine,
2023.
| DOI: | 10.1109/MMM.2023.3256380 |
10.
J. Kanz,
A. Grathwohl and
C. Waldschmidt,
"Surface Clutter Analysis for Detectability Prediction of Buried Objects with a UAV-Based GPSAR"
in 20. European Radar Conference (EuRAD),
2023.
| DOI: | 10.23919/EuRAD58043.2023.10289492 |
9.
J. Geiß,
E. Sippel,
M. Braunwarth and
M. Vossiek,
"The Impact of Antenna Array Calibration Errors on MIMO and Multi-Channel Synthetic Aperture Radar Imaging",
IEEE Journal of Microwaves,
2023.
| DOI: | 10.1109/JMW.2023.3254135 |
8.
S. Kim,
V. M. Perez,
G. Krieger and
M. Villano,
"Three-Dimensional Structure Inversion Through Wide Fractional Bandwidth, UAV-Based SAR Interferometry"
in 24. International Radar Symposium (IRS),
2023.
| DOI: | 10.23919/IRS57608.2023.10172454 |
7.
V. M. Perez,
J. Kanz,
C. Bonfert,
A. Grathwohl,
L. Lamberti,
S. Kim,
G. Krieger and
M. Villano,
"Towards UAV-Based Multi-Baseline Interferometry for Accurate Digital Elevation Model Generation"
in Kleinheubach Conference,
2023.
6.
V. M. Perez,
S. Kim,
C. Bonfert,
G. Krieger and
M. Villano,
"Towards UAV-Based Ultra-Wideband Multi-Baseline SAR Interferometry"
in 20. European Radar Conference (EuRAD),
2023.
| DOI: | 10.23919/EuRAD58043.2023.10289564 |
5.
A. Grathwohl,
B. Meinecke,
M. Widmann,
J. Kanz and
C. Waldschmidt,
"UAV-Based Bistatic SAR-Imaging Using a Stationary Repeater",
IEEE Journal of Microwaves,
2023.
| DOI: | 10.1109/JMW.2023.3253667 |
2022
4.
P. Tschapeka,
G. Körner,
P. Fenske,
C. Carlowitz and
M. Vossiek,
"A Novel Approach for Modeling and Digital Generation of RF Signals Distorted by Bandlimited Phase Noise",
IEEE Journal of Microwaves,
2022.
| DOI: | 10.1109/JMW.2022.3188166 |
3.
F. Koderer,
B. Schweizer,
A. Grathwohl and
C. Waldschmidt,
"Robust Fully Digital MIMO OFDM Radar for the Generation of a Digital Elevation Model"
in 19. European Radar Conference (EuRAD),
2022.
| DOI: | 10.23919/EuRAD54643.2022.9924985 |
2.
A. Grathwohl,
M. Stelzig,
J. Kanz,
P. Fenske,
A. Benedikter,
C. Knill,
I. Ullmann,
I. Hajnsek,
A. Moreira,
G. Krieger,
M. Vossiek and
C. Waldschmidt,
"Taking a Look Beneath the Surface: Multicopter UAV-Based Ground-Penetrating Imaging Radars",
IEEE Microwave Magazine,
2022.
| DOI: | 10.1109/MMM.2022.3188126 |
1.
M. A. Lahmeri,
W. Ghanem,
C. Knill and
R. Schober,
"Trajectory and Resource Optimization for UAV Synthetic Aperture Radar"
in IEEE Globecom Workshops (GC Wkshps),
2022.
| DOI: | 10.1109/GCWkshps56602.2022.10008658 |