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Christoph Hellings
Christoph Hellings
ETH Zürich (previously Technische Universität München)
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Realizing repeated quantum error correction in a distance-three surface code
S Krinner, N Lacroix, A Remm, A Di Paolo, E Genois, C Leroux, ...
Nature 605 (7911), 669-674, 2022
6042022
Improving the performance of deep quantum optimization algorithms with continuous gate sets
N Lacroix, C Hellings, CK Andersen, A Di Paolo, A Remm, S Lazar, ...
PRX Quantum 1 (2), 020304, 2020
882020
Benchmarking Coherent Errors in Controlled-Phase Gates due to Spectator Qubits
S Krinner, S Lazar, A Remm, CK Andersen, N Lacroix, GJ Norris, ...
Physical Review Applied 14 (2), 024042, 2020
862020
Realizing quantum convolutional neural networks on a superconducting quantum processor to recognize quantum phases
J Herrmann, SM Llima, A Remm, P Zapletal, NA McMahon, C Scarato, ...
Nature Communications 13 (1), 4144, 2022
832022
QoS feasibility in MIMO broadcast channels with widely linear transceivers
C Hellings, M Joham, W Utschick
IEEE Signal Processing Letters 20 (11), 1134-1137, 2013
652013
Block-skew-circulant matrices in complex-valued signal processing
C Hellings, W Utschick
IEEE Transactions on Signal Processing 63 (8), 2093-2107, 2015
452015
Performance gains due to improper signals in MIMO broadcast channels with widely linear transceivers
C Hellings, W Utschick
2013 IEEE International Conference on Acoustics, Speech and Signal …, 2013
312013
Mixed monotonic programming for fast global optimization
B Matthiesen, C Hellings, EA Jorswieck, W Utschick
IEEE Transactions on Signal Processing 68, 2529-2544, 2020
302020
Enhancing Dispersive Readout of Superconducting Qubits Through Dynamic Control of the Dispersive Shift: Experiment and Theory
F Swiadek, R Shillito, P Magnard, A Remm, C Hellings, N Lacroix, ...
arXiv preprint arXiv:2307.07765, 2023
282023
On optimal Gaussian signaling in MIMO relay channels with partial decode-and-forward
C Hellings, L Gerdes, L Weiland, W Utschick
IEEE Transactions on Signal Processing 62 (12), 3153-3164, 2014
282014
Minimal transmit power in parallel vector broadcast channels with linear precoding
C Hellings, M Joham, M Riemensberger, W Utschick
IEEE Transactions on Signal Processing 60 (4), 1890-1898, 2012
262012
Gradient-based power minimization in MIMO broadcast channels with linear precoding
C Hellings, M Joham, W Utschick
IEEE Transactions on Signal Processing 60 (2), 877-890, 2012
252012
Improper Signaling Versus Time-Sharing in the SISO Z-Interference Channel
C Hellings, W Utschick
IEEE Communications Letters 21 (11), 2432-2435, 2017
222017
Improper signaling versus time-sharing in the two-user Gaussian interference channel with TIN
C Hellings, W Utschick
IEEE Transactions on Information Theory, 2020
202020
On the inseparability of parallel MIMO broadcast channels with linear transceivers
C Hellings, W Utschick
IEEE Transactions on Signal Processing 59 (12), 6273-6278, 2011
192011
Energy efficiency optimization in MIMO broadcast channels with fairness constraints
C Hellings, W Utschick
2013 IEEE 14th Workshop on Signal Processing Advances in Wireless …, 2013
182013
Gradient-based rate balancing for MIMO broadcast channels with linear precoding
C Hellings, M Joham, W Utschick
2011 International ITG Workshop on Smart Antennas, 1-8, 2011
172011
Power minimization in parallel vector broadcast channels with zero-forcing beamforming
C Hellings, M Joham, W Utschick
2010 IEEE Global Telecommunications Conference GLOBECOM 2010, 1-5, 2010
162010
Calibration of Drive Nonlinearity for Arbitrary-Angle Single-Qubit Gates Using Error Amplification
S Lazăr, Q Ficheux, J Herrmann, A Remm, N Lacroix, C Hellings, ...
Physical Review Applied 20 (2), 024036, 2023
142023
Evaluation of Neural-Network-Based Channel Estimators Using Measurement Data
C Hellings, A Dehmani, S Wesemann, M Koller, W Utschick
WSA 2019; 23rd International ITG Workshop on Smart Antennas, 1-5, 2019
142019
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Artikler 1–20