Christoph Hellings

54 papers B 3Misc 5Journal 20Unranked 25
YearRankTypeTitle / Venue / Authors
2021 J jnl
Improper Signaling Versus Time-Sharing in the MISO Z-Interference Channel.
IEEE Commun. Lett.
Ferhad Askerbeyli, Christoph Hellings, Wolfgang Utschick
2021 J jnl
Maximizing the Partial Decode-and-Forward Rate in the Gaussian MIMO Relay Channel.
IEEE Trans. Signal Process.
Christoph Hellings, Patrick Gest, Thomas Wiegart, Wolfgang Utschick
2020 J jnl
Improper Signaling Versus Time-Sharing in the Two-User Gaussian Interference Channel With TIN.
IEEE Trans. Inf. Theory
Christoph Hellings, Wolfgang Utschick
2020 — conf
Minimax Solution to the Partial Decode-and-Forward Rate Maximization in the MIMO Relay Channel.
WSA
Christoph Hellings, Yushu Yang, Wolfgang Utschick
2020 J jnl
Mixed Monotonic Programming for Fast Global Optimization.
IEEE Trans. Signal Process.
Bho Matthiesen, Christoph Hellings, Eduard A. Jorswieck, Wolfgang Utschick
2020 J jnl
Two-User SIMO Interference Channel With Treating Interference as Noise: Improper Signaling Versus Time-Sharing.
IEEE Trans. Signal Process.
Christoph Hellings, Ferhad Askerbeyli, Wolfgang Utschick
2019 Misc conf
Combining Linear Estimation with Scalar Widely Linear Estimation.
ICASSP
Christoph Hellings, Wolfgang Utschick
2019 — conf
Energy Efficiency: Rate Splitting vs. Point-to-Point Codes in Gaussian Interference Channels.
SPAWC
Bho Matthiesen, Christoph Hellings, Eduard A. Jorswieck
2019 — conf
Evaluation of Neural-Network-Based Channel Estimators Using Measurement Data.
WSA
Christoph Hellings, Aymen Dehmani, Stefan Wesemann, Michael Koller, Wolfgang Utschick
2019 — conf
Globally Optimal TIN Strategies with Time-Sharing in the MISO Interference Channel.
EUSIPCO
Christoph Hellings, Bho Matthiesen, Eduard A. Jorswieck, Wolfgang Utschick
2019 — conf
Learning-Based Channel Estimation for Various Antenna Array Configurations.
SPAWC
Michael Koller, Christoph Hellings, Wolfgang Utschick
2019 J jnl
Maximizing the Partial Decode-and-Forward Rate in the Gaussian MIMO Relay Channel.
CoRR
Christoph Hellings, Patrick Gest, Thomas Wiegart, Wolfgang Utschick
2019 J jnl
Measuring impropriety in complex and real representations.
Signal Process.
Christoph Hellings, Wolfgang Utschick
2019 J jnl
Mixed Monotonic Programming for Fast Global Optimization.
CoRR
Bho Matthiesen, Christoph Hellings, Eduard A. Jorswieck, Wolfgang Utschick
2019 J jnl
Two-User SIMO Interference Channel with TIN: Improper Signaling versus Time-Sharing.
CoRR
Christoph Hellings, Ferhad Askerbeyli, Wolfgang Utschick
2018 — conf
Capacity of the Two-User MIMO Broadcast Channel Under a Shaping Constraint in Closed Form.
SPAWC
Christoph Hellings, Patrick Gest, Wolfgang Utschick
2018 J jnl
Improper Signaling versus Time-Sharing in the Two-User Gaussian Interference Channel with TIN.
CoRR
Christoph Hellings, Wolfgang Utschick
2018 — conf
Machine Learning for Channel Estimation from Compressed Measurements.
ISWCS
Michael Koller, Christoph Hellings, Michael Knoedlseder, Thomas Wiese, David Neumann, Wolfgang Utschick
2018 — conf
Proper Time-Sharing as a Baseline for Studying Improper Signaling in Interference Channels.
WSA
Christoph Hellings, Wolfgang Utschick
2018 — —
Reduced-Entropy Signals in MIMO Communication Systems (Signale mit reduzierter Entropie in MIMO-Kommunikationssystemen)
Christoph Hellings
2017 J jnl
Improper Signaling Versus Time-Sharing in the SISO Z-Interference Channel.
IEEE Commun. Lett.
Christoph Hellings, Wolfgang Utschick
2017 — conf
On the Worst-Case Noise in Gaussian MIMO Systems with Proper and with Improper Signaling.
WSA
Christoph Hellings, Wolfgang Utschick
2016 — conf
Close-to-Optimal Partial Decode-and-Forward Rate in the MIMO Relay Channel via Convex Programming.
WSA
Thomas Wiegart, Christoph Hellings, Wolfgang Utschick
2015 — conf
An Impropriety Test Based on Block-Skew-Circulant Matrices.
WSA
Christoph Hellings, Michael Koller, Wolfgang Utschick
2015 J jnl
Block-Skew-Circulant Matrices in Complex-Valued Signal Processing.
IEEE Trans. Signal Process.
Christoph Hellings, Wolfgang Utschick
2015 — conf
Composite real principal component analysis of complex signals.
EUSIPCO
Christoph Hellings, Patrick Gogler, Wolfgang Utschick
2015 J jnl
On the Maximum Achievable Partial Decode-and-Forward Rate for the Gaussian MIMO Relay Channel.
IEEE Trans. Inf. Theory
Lennart Gerdes, Christoph Hellings, Lorenz Weiland, Wolfgang Utschick
2015 — conf
Separability of parallel Gaussian MIMO broadcast channels with shaping constraints.
SPAWC
Christoph Hellings, Wolfgang Utschick
2015 — conf
Two different real representations of complex matrices for describing widely linear systems.
ISWCS
Christoph Hellings, Wolfgang Utschick
2014 — conf
A Deterministic Initialization for Optimizing Carrier-Cooperative Transmit Strategies.
WSA
Christoph Hellings, Stephan Herrmann, Wolfgang Utschick
2014 J jnl
On Optimal Gaussian Signaling in MIMO Relay Channels With Partial Decode-and-Forward.
IEEE Trans. Signal Process.
Christoph Hellings, Lennart Gerdes, Lorenz Weiland, Wolfgang Utschick
2014 Misc conf
On carrier-cooperation in parallel Gaussian MIMO relay channels with partial decode-and-forward.
ACSSC
Christoph Hellings, Wolfgang Utschick
2014 Misc conf
Optimality of proper signaling in Gaussian MIMO broadcast channels with shaping constraints.
ICASSP
Christoph Hellings, Lorenz Weiland, Wolfgang Utschick
2014 J jnl
The Optimal Input Distribution for Partial Decode-and-Forward in the MIMO Relay Channel.
CoRR
Lennart Gerdes, Christoph Hellings, Lorenz Weiland, Wolfgang Utschick
2013 J jnl
Carrier Cooperation Can Reduce the Transmit Power in Parallel MIMO Broadcast Channels With Zero-Forcing.
IEEE Trans. Signal Process.
Christoph Hellings, Stephan Herrmann, Wolfgang Utschick
2013 — conf
Energy efficiency optimization in MIMO broadcast channels with fairness constraints.
SPAWC
Christoph Hellings, Wolfgang Utschick
2013 B conf
Energy efficiency optimization in the multiantenna downlink with linear transceivers.
PIMRC
Christoph Hellings, Wolfgang Utschick
2013 Misc conf
Ergodic robust rate balancing for rank-one vector broadcast channels via sequential approximations.
ICASSP
Andreas Gründinger, David Leiner, Michael Joham, Christoph Hellings, Wolfgang Utschick
2013 — conf
Linear Precoding in Parallel MIMO Broadcast Channels: Separable and Inseparable Scenarios.
WSA
Christoph Hellings, Wolfgang Utschick
2013 Misc conf
Performance gains due to improper signals in MIMO broadcast channels with widely linear transceivers.
ICASSP
Christoph Hellings, Wolfgang Utschick
2013 J jnl
QoS Feasibility in MIMO Broadcast Channels With Widely Linear Transceivers.
IEEE Signal Process. Lett.
Christoph Hellings, Michael Joham, Wolfgang Utschick
2013 — conf
Three Kinds of Inseparability in Parallel MIMO Broadcast Channels with Linear Transceivers.
ISWCS
Christoph Hellings, Wolfgang Utschick
2012 — conf
Carrier-cooperative zero-forcing for power minimization in parallel MIMO broadcast channels.
ACSCC
Stephan Herrmann, Christoph Hellings, Wolfgang Utschick
2012 — conf
Energy-efficient rate balancing in vector broadcast channels with linear transceivers.
ISWCS
Christoph Hellings, Wolfgang Utschick
2012 — conf
Energy-efficient zero-forcing with user selection in parallel vector broadcast channels.
WSA
Christoph Hellings, Nesrine Damak, Wolfgang Utschick
2012 J jnl
Gradient-Based Power Minimization in MIMO Broadcast Channels With Linear Precoding.
IEEE Trans. Signal Process.
Christoph Hellings, Michael Joham, Wolfgang Utschick
2012 J jnl
Minimal Transmit Power in Parallel Vector Broadcast Channels With Linear Precoding.
IEEE Trans. Signal Process.
Christoph Hellings, Michael Joham, Maximilian Riemensberger, Wolfgang Utschick
2012 — conf
Rate prediction and receding horizon power minimization in block-fading broadcast channels.
SPAWC
Christoph Hellings, Paskal Kiefer, Wolfgang Utschick
2011 — conf
Carrier-cooperative transmission in parallel MIMO broadcast channels: Potential gains and algorithms.
ISWCS
Christoph Hellings, Wolfgang Utschick
2011 — conf
Gradient-based rate balancing for MIMO broadcast channels with linear precoding.
WSA
Christoph Hellings, Michael Joham, Wolfgang Utschick
2011 J jnl
On the Inseparability of Parallel MIMO Broadcast Channels With Linear Transceivers.
IEEE Trans. Signal Process.
Christoph Hellings, Wolfgang Utschick
2011 — conf
Power minimization in parallel vector broadcast channels with separate linear precoding.
EUSIPCO
Christoph Hellings, Wolfgang Utschick, Michael Joham
2010 B conf
Power Minimization in Parallel Vector Broadcast Channels with Zero-Forcing Beamforming.
GLOBECOM
Christoph Hellings, Michael Joham, Wolfgang Utschick
2010 B conf
QoS feasibility for the MIMO broadcast channel: Robust formulation and multi-carrier systems.
WiOpt
Michael Joham, Christoph Hellings, Raphael Hunger