activity
20112021
most citedInformation Nonanticipative Rate Distortion Function and Its Applications

12 citations · 53 across the 19 of their papers we have counts for

collaborators

21 papers

cs.IT2021

On the Fragile Rates of Linear Feedback Coding Schemes of Gaussian Channels with Memory

Charalambos D. Charalambous, Christos Kourtellaris, Themistoklis Charalambous

In \cite{butman1976} the linear coding scheme is applied, , , , with ,…

cs.IT2021

On the Cover and Pombra Gaussian Feedback Capacity: Complete Sequential Characterizations via a Sufficient Statistic

Charalambos D. Charalambous, Christos Kourtellaris, Stelios Louka

The main objective of this paper is to derive a new sequential characterization of the Cover and Pombra \cite{cover-pombra1989} characterization of the finite block or transmis…

cs.IT2021

Feedback Capacity Formulas of AGN Channels Driven by Nonstationary Autoregressive Moving Average Noise

Stelios Louka, Christos Kourtellaris, Charalambos D. Charalambous

In this paper we derive closed-form formulas of feedback capacity and nonfeedback achievable rates, for Additive Gaussian Noise (AGN) channels driven by nonstationary autoregressiv…

cs.IT2020★ 9 cited

New Formulas of Feedback Capacity for AGN Channels with Memory: A Time-Domain Sufficient Statistic Approach

Charalambos D. Charalambous, Christos Kourtellaris, Stelios Louka

In the recent paper [1] it is shown, via an application example, that the Cover and Pombra [2] "characterization of the block or transmission" feedback capacity formula, of add…

cs.IT2019★ 6 cited

Time-Invariant Feedback Strategies Do Not Increase Capacity of AGN Channels Driven by Stable and Certain Unstable Autoregressive Noise

Charalambos D. Charalambous, Christos Kourtellaris, Sergey Loyka

The capacity of additive Gaussian noise (AGN) channels, , , with time-inva…

cs.IT2018

Finite Blocklength Analysis of Multiple Access Channels with/without Cooperation

Christos K. Kourtellaris, Constantinos Psomas, Ioannis Krikidis

Motivated by the demand of reliable and low latency communications, we employ tools from information theory, stochastic processes and queueing theory, in order to provide a compreh…