Kontakt
Christina Bonfert uni-ulm.de
Albert-Einstein-Allee 41
89081 Ulm
Raum: 41.2.208
Telefon: 0731 50-26352
Dr.-Ing. Christina Bonfert (geb. Knill)
Postdoktorandin
Vita
Bachelor- und Masterstudium der Elektrotechnik an der Universit盲t Ulm von Oktober 2009 bis August 2015.
Seit November 2015 akademische Mitarbeiterin am Institut f眉r Mikrowellentechnik mit Forschungsschwerpunkt Radarsignalverarbeitung f眉r digitale Radare. Ende 2021, Abschluss der Doktorarbeit zum Thema Signalverarbeitung und Signaldesign f眉r hochaufl枚sende digitale OFDM Radare .
Seit 2022, PostDoc am Institut f眉r Mikrowellentechnik mit Forschungschwerpunkt Optimierung der Bildgebung und Flugtrajektorien von UAV-basierten synthetischer Apertur Radare mittels Compressed Sensing.
Forschungsthemen
- Radarsignalverarbeitung
- Neue Modulations- und Multiplexingans盲tze f眉r Digitalradare mit Fokus auf OFDM (Orthogonales Frequenzmultiplexverfahren) und Code-Modulation.
- Compressed Sensing f眉r digitale Radare
- Signalverarbeitung f眉r drohnengest眉tzes hochaufl枚sendes SAR
- Compressed Sensing f眉r SAR
Abschlussarbeiten
- Arbeiten im Bereich Radarsignalverarbeitung und drohnengest眉tztes SAR sind auf Anfrage m枚glich.
- MA
- Dreidimensionale Radarbildgebung f眉r drohnengest眉tzte Radarsysteme
- 2023
- BA
- Compressed Sensing f眉r SAR-Anwendungen
- 2022
- BA
- Entwurf und Charakterisierung einer Repeatereinheit f眉r bistatisches SAR auf Multikoptern
- 2022
- BA
- Bewertung von Algorithmen zur Auswertung unterabgetasteter und l眉ckenhafter Radarsignale
- 2020
- MA
- Streaming Radar Processing
- 2020
- MA
- Off-Grid Radar Processing and Target Detection
- 2020
- BA
- Code-Multiplexing f眉r MIMO-OFDM-Radare
- 2019
- MA
- FMCW-Interference Detection in OFDM Radars Using Machine Learning
- 2019
- BA
- Adaptive Parametrisierung von OFDM-Radaren bei 77 GHz
- 2018
- MA
- Polarimetric OFDM Radar for Automotive Applications
- 2017
- BA
- Konzeption und Realisierung eines OFDM-basierten Radar-Demonstrators bei 77GHz
- 2017
痴别谤枚蹿蹿别苍迟濒颈肠丑耻苍驳别苍
2021
25.
B. Schweizer,
A. Grathwohl,
G. Rossi,
P. Hinz,
C. Knill,
S. Stephany,
H. J. Ng and
C. Waldschmidt,
"The Fairy Tale of Simple All-Digital Radars: How to Deal With 100 Gbit/s of a Digital Millimeter-Wave MIMO Radar on an FPGA [Application Notes]",
IEEE Microwave Magazine,
vol. 22,
no. 7,
pp. 66-76,
2021.
| DOI: |
2020
24.
C. Knill,
B. Schweizer and
C. Waldschmidt,
"Interference-Robust Processing of OFDM Radar Signals Using Compressed Sensing",
IEEE Sensors Letters,
vol. 4,
no. 4,
pp. 1-4,
Apr.
2020.
IEEE.
| DOI: | |
| Datei: |  |
23.
B. Schweizer,
C. Knill,
D. Schindler and
C. Waldschmidt,
"IQ-Imbalance Compensation for Wideband OFDM-Radar"
in 2020 14th European Conference on Antennas and Propagation (EuCAP),
2020,
pp. 1-5.
| DOI: |
22.
P. H眉gler,
T. Grebner,
C. Knill and
C. Waldschmidt,
"UAV-Borne 2-D and 3-D Radar-Based Grid Mapping",
IEEE Geoscience and Remote Sensing Letters,
pp. 1-5,
2020.
| DOI: | |
| Datei: | |
2019
21.
F. Roos,
P. H眉gler,
C. Knill,
L. L. Tovar Torres,
N. Appenrodt,
J. Dickmann and
C. Waldschmidt,
"Comparison of 2D and 3D Compressed Sensing for High-Resolution TDM-MIMO Radars"
in European Radar Conference,
Okt.
2019.
| Datei: | |
20.
F. Roos,
J. Bechter,
C. Knill,
B. Schweizer and
C. Waldschmidt,
"Radar Sensors for Autonomous Driving: Modulation Schemes and Interference Mitigation",
IEEE Microwave Magazine,
vol. 20,
no. 9,
pp. 58-72,
Sep.
2019.
| DOI: | |
| Datei: | |
19.
C. Knill,
F. Roos,
B. Schweizer,
D. Schindler and
C. Waldschmidt,
"Random Multiplexing for an MIMO-OFDM Radar With Compressed Sensing-Based Reconstruction",
IEEE Microwave and Wireless Components Letters,
vol. 29,
no. 4,
pp. 300--302,
Apr.
2019.
| DOI: | |
| Datei: | |
18.
F. Roos,
P. H眉gler,
L. L. Tovar Torres,
C. Knill,
J. Schlichenmaier,
C. Vasanelli,
N. Appenrodt,
J. Dickmann and
C. Waldschmidt,
"Compressed Sensing based Single Snapshot DoA Estimation for Sparse MIMO Radar Arrays"
in German Microwave Conference,
M盲.
2019.
| DOI: | |
| Datei: | |
17.
F. Roos,
P. H眉gler,
J. Bechter,
M. A. Razzaq,
C. Knill,
N. Appenrodt,
J. Dickmann and
C. Waldschmidt,
"Effort Considerations of Compressed Sensing for Automotive Radar"
in Radio and Wireless Symposium (RWS),
Jan.
2019.
| Datei: | |
16.
B. Schweizer,
D. Schindler,
C. Knill and
C. Waldschmidt,
"A Doppler-Tolerant Stepped-Carrier OFDM-Radar Scheme Based on All-Cell-Doppler-Correction"
in 2019 20th International Radar Symposium (IRS),
2019,
pp. 1-9.
| DOI: |
15.
D. Schindler,
B. Schweizer,
C. Knill,
J. Hasch and
C. Waldschmidt,
"An Integrated Stepped-Carrier OFDM MIMO Radar Utilizing a Novel Fast Frequency Step Generator for Automotive Applications",
IEEE Transactions on Microwave Theory and Techniques,
vol. 67,
no. 11,
pp. 4559-4569,
2019.
| DOI: |
14.
S. Stephany,
B. Schweizer,
C. Knill and
C. Waldschmidt,
"Impact of an Automotive Chirp-Sequence Interferer on a Wideband Pseudo-Noise Radar"
in 2019 International Conference on Electromagnetics in Advanced Applications (ICEAA),
2019,
pp. 0859-0862.
| DOI: |
2018
13.
C. Knill,
B. Schweizer,
P. H眉gler and
C. Waldschmidt,
"Impact of an Automotive Chirp-Sequence Interferer on a Wideband OFDM Radar",
2018 15th European Radar Conference (EuRAD),
pp. 34--37,
Sep.
2018.
| DOI: | |
| ISBN: | 9782874870538 |
| Datei: | |
12.
C. Knill,
B. Schweizer,
S. Sparrer,
F. Roos,
R. F. H. Fischer and
C. Waldschmidt,
"High Range and Doppler Resolution by Application of Compressed Sensing Using Low Baseband Bandwidth OFDM Radar",
IEEE Transactions on Microwave Theory and Techniques,
vol. 66,
no. 7,
pp. 3535-3546,
Jul.
2018.
| DOI: | |
| Datei: | |
11.
F. Roos,
P. H眉gler,
C. Knill,
N. Appenrodt,
J. Dickmann and
C. Waldschmidt,
"Data Rate Reduction for Chirp-Sequence based Automotive Radars using Compressed Sensing"
in German Microwave Conference (GeMiC),
M盲.
2018.
| Datei: | |
10.
B. Schweizer,
D. Schindler,
C. Knill,
J. Hasch and
C. Waldschmidt,
"Expanding the Unambiguous Velocity Limitation of the Stepped-Carrier OFDM Radar Scheme"
in 2018 15th European Radar Conference (EuRAD),
2018,
pp. 22-25.
| DOI: | |
| Datei: | |
9.
D. Schindler,
B. Schweizer,
C. Knill,
J. Hasch and
C. Waldschmidt,
"MIMO-OFDM Radar Using a Linear Frequency Modulated Carrier to Reduce Sampling Requirements",
IEEE Transactions on Microwave Theory and Techniques,
vol. 66,
no. 7,
pp. 3511-3520,
2018.
| DOI: |
8.
B. Schweizer,
D. Schindler,
C. Knill,
J. Hasch and
C. Waldschmidt,
"On Hardware Implementations of Stepped-Carrier OFDM Radars"
in 2018 IEEE/MTT-S International Microwave Symposium - IMS,
2018,
pp. 891-894.
| DOI: | |
| Datei: | |
7.
H. Iqbal,
C. Knill,
M. Z. Khan,
T. Chaloun and
C. Waldschmidt,
"Polarimetric SAR for Automotive Applications"
in 2018 15th European Radar Conference (EuRAD),
2018,
pp. 30-33.
| DOI: |
6.
B. Schweizer,
C. Knill,
D. Schindler and
C. Waldschmidt,
"Stepped-Carrier OFDM-Radar Processing Scheme to Retrieve High-Resolution Range-Velocity Profile at Low Sampling Rate",
IEEE Transactions on Microwave Theory and Techniques,
vol. 66,
no. 3,
pp. 1610-1618,
2018.
| DOI: | |
| Datei: | |
2017
5.
C. Knill,
J. Bechter and
C. Waldschmidt,
"Interference of Chirp Sequence Radars by OFDM Radars at 77 GHz"
in 2017 IEEE MTT-S International Conference on Microwaves for Intelligent Mobility (ICMIM),
2017,
pp. 147-150.
| DOI: | |
| Datei: | |
2016
4.
C. Knill,
A. Scheel and
K. Dietmayer,
"A Direct Scattering Model for Tracking Vehicles with High-Resolution Radars"
in Proceedings of the 2016 IEEE Intelligent Vehicles Symposium,
2016,
pp. 298-303.
3.
C. Knill,
A. Scheel and
K. Dietmayer,
"A direct scattering model for tracking vehicles with high-resolution radars"
in 2016 IEEE Intelligent Vehicles Symposium (IV),
2016,
pp. 298-303.
| DOI: | |
| Datei: | |
2.
A. Scheel,
C. Knill,
S. Reuter and
K. Dietmayer,
"Multi-Sensor Multi-Object Tracking of Vehicles Using High-Resolution Radars"
in Proceedings of the 2016 IEEE Intelligent Vehicles Symposium,
2016,
pp. 558-565.
1.
A. Scheel,
C. Knill,
S. Reuter and
K. Dietmayer,
"Multi-Sensor Multi-Object Tracking of Vehicles using High-Resolution Radars"
in 2016 IEEE Intelligent Vehicles Symposium (IV),
2016,
pp. 558-565.
| DOI: | |
| Datei: | |