Christos K. Kourtellaris

64 papers B 13Misc 1Journal 32Unranked 18
YearRankTypeTitle / Venue / Authors
2025 J jnl
New Formulas of Feedback Capacity for AGN Channels with Memory: A Time-Domain Sufficient Statistic Approach.
Entropy
Charalambos D. Charalambous, Christos K. Kourtellaris, Stelios Louka
2025 J jnl
The Capacity Gains of Gaussian Channels with Unstable Versus Stable Autoregressive Noise.
Entropy
Charalambos D. Charalambous, Christos K. Kourtellaris, Stelios Louka, Sergey Loyka
2024 J jnl
Optimal Control and Signaling Strategies of Control-Coding Capacity of General Decision Models: Applications to Gaussian Models and Decentralized Strategies.
SIAM J. Control. Optim.
Charalambos D. Charalambous, Christos K. Kourtellaris, Ioannis Tzortzis
2022 J jnl
Complete Characterization of Gorbunov and Pinsker Nonanticipatory Epsilon Entropy of Multivariate Gaussian Sources: Structural Properties.
IEEE Trans. Inf. Theory
Charalambos D. Charalambous, Themistoklis Charalambous, Christos K. Kourtellaris, Jan H. van Schuppen
2022 — conf
Signalling and Control of Nonlinear Partially Observable Stochastic Control Models.
ECC
Charalambos D. Charalambous, Christos K. Kourtellaris, Stelios Louka
2021 J jnl
Feedback Capacity Formulas of AGN Channels Driven by Nonstationary Autoregressive Moving Average Noise.
CoRR
Stelios Louka, Christos K. Kourtellaris, Charalambos D. Charalambous
2021 J jnl
On the Cover and Pombra Gaussian Feedback Capacity: Complete Sequential Characterizations via a Sufficient Statistic.
CoRR
Charalambos D. Charalambous, Christos K. Kourtellaris, Stelios Louka
2021 J jnl
On the Fragile Rates of Linear Feedback Coding Schemes of Gaussian Channels with Memory.
CoRR
Charalambos D. Charalambous, Christos K. Kourtellaris, Themistoklis Charalambous
2021 B conf
Qualitative Analysis of Feedback Capacity of AGN Channels Driven by Unstable Versus Stable Autoregressive Moving Average Noise.
ITW
Stelios Louka, Christos K. Kourtellaris, Charalambos D. Charalambous
2021 B conf
Sequential Characterizations of Cover and Pombra Gaussian Feedback Capacity: Generalizations to MIMO Channels via Sufficient Statistic.
ITW
Charalambos D. Charalambous, Christos K. Kourtellaris, Stelios Louka
2020 J jnl
Ergodic Control-Coding Capacity of Stochastic Control Systems: Information Signalling and Hierarchical Optimality of Gaussian Systems.
SIAM J. Control. Optim.
Charalambos D. Charalambous, Christos K. Kourtellaris, Ioannis Tzortzis
2020 J jnl
Finite Blocklength Analysis of Multiple Access Channels With/Without Cooperation.
IEEE Trans. Commun.
Christos K. Kourtellaris, Constantinos Psomas, Ioannis Krikidis
2020 B conf
From Feedback Capacity to Tight Achievable Rates without Feedback for AGN Channels with Stable and Unstable Autoregressive Noise.
ISIT
Christos K. Kourtellaris, Charalambos D. Charalambous, Sergey Loyka
2020 B conf
New Formulas of Ergodic Feedback Capacity of AGN Channels Driven by Stable and Unstable Autoregressive Noise.
ISIT
Christos K. Kourtellaris, Charalambos D. Charalambous, Sergey Loyka
2020 J jnl
New Formulas of Feedback Capacity for AGN Channels with Memory: A Time-Domain Sufficient Statistic Approach.
CoRR
Charalambos D. Charalambous, Christos K. Kourtellaris, Stelios Louka
2020 B conf
Structural Properties of Nonanticipatory Epsilon Entropy of Multivariate Gaussian Sources.
ISIT
Charalambos D. Charalambous, Themistoklis Charalambous, Christos K. Kourtellaris, Jan H. van Schuppen
2019 — conf
Finite Blocklength Analysis of the Multiple Access Relay Channel with Batch-and-Forward Strategy.
ICC
Christos K. Kourtellaris, Constantinos Psomas, Ioannis Krikidis
2019 — conf
Generalizations of Nonanticipative Rate Distortion Function to Multivariate Nonstationary Gaussian Autoregressive Processes.
CDC
Charalambos D. Charalambous, Christos K. Kourtellaris, Themistoklis Charalambous, Jan H. van Schuppen
2019 B conf
Global Optimality of Encoders and MSE Decoders for Communicating Unstable Markov Processes over Unstable Gaussian Recursive Models with Feedback: A Nonanticipative RDF Approach.
ISIT
Charalambos D. Charalambous, Christos K. Kourtellaris
2019 — conf
Short Packet Communications in Large-Scale Wireless Powered Networks.
SPAWC
Constantinos Psomas, Christos K. Kourtellaris, Ioannis Krikidis
2019 — conf
Stability of a TDMA Network Subject to Finite Blocklength Constraints.
ICC
Christos K. Kourtellaris, Constantinos Psomas, Ioannis Krikidis
2019 J jnl
Time-Invariant Feedback Strategies Do Not Increase Capacity of AGN Channels Driven by Stable and Certain Unstable Autoregressive Noise.
CoRR
Charalambos D. Charalambous, Christos K. Kourtellaris, Sergey Loyka
2018 — conf
A General Coding Scheme for Signaling Gaussian Processes Over Gaussian Decision Models.
SPAWC
Charalambos D. Charalambous, Christos K. Kourtellaris, Themistoklis Charalambous
2018 J jnl
Capacity Achieving Distributions and Separation Principle for Feedback Gaussian Channels With Memory: the LQG Theory of Directed Information.
IEEE Trans. Inf. Theory
Charalambos D. Charalambous, Christos K. Kourtellaris, Sergey Loyka
2018 — conf
Control-Coding Capacity of Decision Models Driven by Correlated Noise and Gaussian Application Examples.
CDC
Charalambos D. Charalambous, Christos K. Kourtellaris, Sergey Loyka
2018 — conf
Directed Information Subject to a Fidelity. Applications to Conditionally Gaussian Processes.
ECC
Charalambos D. Charalambous, Photios A. Stavrou, Christos K. Kourtellaris, Ioannis Tzortzis
2018 J jnl
Information Structures for Feedback Capacity of Channels With Memory and Transmission Cost: Stochastic Optimal Control and Variational Equalities.
IEEE Trans. Inf. Theory
Christos K. Kourtellaris, Charalambos D. Charalambous
2018 J jnl
Stability and Throughput Analysis of Multiple Access Networks with Finite Blocklength Constraints.
CoRR
Christos K. Kourtellaris, Constantinos Psomas, Ioannis Krikidis
2017 — conf
Hierarchical decomposition of optimal control and information strategies in control-coding capacity of stochastic systems.
CDC
Charalambos D. Charalambous, Christos K. Kourtellaris, Ioannis Tzortzis
2017 — conf
Hierarchical optimality of linear controllers-encoders-decoders operating at control-coding capacity of LQG control systems.
CDC
Charalambos D. Charalambous, Christos K. Kourtellaris, Ioannis Tzortzis
2017 J jnl
Information Transfer of Control Strategies: Dualities of Stochastic Optimal Control Theory and Feedback Capacity of Information Theory.
IEEE Trans. Autom. Control.
Charalambos D. Charalambous, Christos K. Kourtellaris, Ioannis Tzortzis
2017 J jnl
Sequential Necessary and Sufficient Conditions for Capacity Achieving Distributions of Channels With Memory and Feedback.
IEEE Trans. Inf. Theory
Photios A. Stavrou, Charalambos D. Charalambous, Christos K. Kourtellaris
2017 — conf
Signalling of information in networked stochastic dynamical control systems.
CDC
Charalambos D. Charalambous, Christos K. Kourtellaris, Ioannis Tzortzis
2017 J jnl
Single Letter Expression of Capacity for a Class of Channels with Memory.
CoRR
Christos K. Kourtellaris, Charalambos D. Charalambous, Ioannis Tzortzis
2017 B conf
The capacity of unstable dynamical systems-interaction of control and information transmission.
ISIT
Charalambos D. Charalambous, Christos K. Kourtellaris, Sergey Loyka, Ioannis Tzortzis
2017 B conf
Two-letter capacity formula for channels with memory and feedback.
ITW
Christos K. Kourtellaris, Ioannis Tzortzis, Charalambos D. Charalambous
2016 J jnl
Capacity Achieving Distributions & Information Lossless Randomized Strategies for Feedback Channels with Memory: The LQG Theory of Directed Information-Part II.
CoRR
Charalambos D. Charalambous, Christos K. Kourtellaris, Sergey Loyka
2016 Misc conf
Convolutional lattices.
ACSSC
Joseph Jean Boutros, Nicola di Pietro, Fanny Jardel, Christos K. Kourtellaris
2016 J jnl
Information Structures of Extremum Problems of Feedback Capacity for General Channels with Memory.
CoRR
Charalambos D. Charalambous, Christos K. Kourtellaris
2016 B conf
Information structures of capacity achieving distribution for channels with memory and feedback.
ISIT
Christos K. Kourtellaris, Charalambos D. Charalambous
2016 — conf
Information transfer in stochastic optimal control with randomized strategies and directed information criterion.
CDC
Charalambos D. Charalambous, Christos K. Kourtellaris, Ioannis Tzortzis
2016 — conf
Robust Linear Quadratic Regulator for uncertain systems.
CDC
Ioannis Tzortzis, Charalambos D. Charalambous, Themistoklis Charalambous, Christos K. Kourtellaris, Christoforos N. Hadjicostis
2016 J jnl
Sequential Necessary and Sufficient Conditions for Capacity Achieving Distributions of Channels with Memory and Feedback.
CoRR
Photios A. Stavrou, Charalambos D. Charalambous, Christos K. Kourtellaris
2016 B conf
Sequential Necessary and Sufficient Conditions for optimal channel input distributions of channels with memory and feedback.
ISIT
Photios A. Stavrou, Charalambos D. Charalambous, Christos K. Kourtellaris
2015 B conf
Capacity of Binary State Symmetric Channel with and without feedback and transmission cost.
ITW
Christos K. Kourtellaris, Charalambos D. Charalambous
2015 J jnl
Information Structures of Capacity Achieving Distributions for Feedback Channels with Memory and Transmission Cost: Stochastic Optimal Control & Variational Equalities-Part I.
CoRR
Christos K. Kourtellaris, Charalambos D. Charalambous
2015 B conf
Nonanticipative transmission for sources and channels with memory.
ISIT
Christos K. Kourtellaris, Charalambos D. Charalambous, Joseph J. Boutros
2014 J jnl
Applications of Information Nonanticipative Rate Distortion Function.
CoRR
Photios A. Stavrou, Christos K. Kourtellaris, Charalambos D. Charalambous
2014 B conf
Applications of information Nonanticipative Rate Distortion Function.
ISIT
Photios A. Stavrou, Christos K. Kourtellaris, Charalambos D. Charalambous
2014 J jnl
Capacity of the Binary State Symmetric Channel with Cost Constraint.
CoRR
Christos K. Kourtellaris, Charalambos D. Charalambous
2014 J jnl
Information Nonanticipative Rate Distortion Function and Its Applications.
CoRR
Photios A. Stavrou, Christos K. Kourtellaris, Charalambos D. Charalambous
2013 J jnl
General Source-Channel Matching for Sources with Memory.
CoRR
Christos K. Kourtellaris, Charalambos D. Charalambous, Photios A. Stavrou
2013 J jnl
Nonanticipative Rate Distortion Function for General Source-Channel Matching
CoRR
Christos K. Kourtellaris, Charalambos D. Charalambous, Photios A. Stavrou
2013 J jnl
Optimal Nonstationary Reproduction Distribution for Nonanticipative RDF on Abstract Alphabets
CoRR
Photios A. Stavrou, Charalambos D. Charalambous, Christos K. Kourtellaris
2012 J jnl
Causal Rate Distortion Function on Abstract Alphabets: Optimal Reconstruction and Properties
CoRR
Photios A. Stavrou, Charalambos D. Charalambous, Christos K. Kourtellaris
2012 J jnl
Realizable Rate Distortion Function and Bayesian FIltering Theory
CoRR
Photios A. Stavrou, Charalambos D. Charalambous, Christos K. Kourtellaris
2011 J jnl
Causal Rate Distortion Function and Relations to Filtering Theory
CoRR
Charalambos D. Charalambous, Photios A. Stavrou, Christos K. Kourtellaris
2011 J jnl
Causal Rate Distortion Function on Abstract Alphabets and Optimal Reconstruction Kernel
CoRR
Charalambos D. Charalambous, Photios A. Stavrou, Christos K. Kourtellaris
2011 — conf
Optimal encoder and control strategies in stochastic control subject to rate constraints for channels with memory and feedback.
CDC/ECC
Charalambos D. Charalambous, Christos K. Kourtellaris, Christoforos N. Hadjicostis
2010 — conf
Capacity of channels with memory and feedback: Encoder properties and dynamic programming.
Allerton
Charalambos D. Charalambous, Christos K. Kourtellaris, Christoforos N. Hadjicostis
2010 — conf
Rate distortion function with causal decoding.
CDC
Charalambos D. Charalambous, Christos K. Kourtellaris, Photios A. Stavrou
2009 — conf
Stochastic control over finite capacity channels: Causality and feedback.
ECC
Charalambos D. Charalambous, Christos K. Kourtellaris, Photios A. Stavrou
2009 — conf
Stochastic control over finite capacity channels: Causality, feedback and uncertainty.
CDC
Charalambos D. Charalambous, Christos K. Kourtellaris, Photios A. Stavrou
2008 J jnl
Statistical Analysis of Multipath Fading Channels Using Generalizations of Shot Noise.
EURASIP J. Wirel. Commun. Netw.
Charalambos D. Charalambous, Seddik M. Djouadi, Christos K. Kourtellaris