Rate-cost tradeoffs in control

V Kostina, B Hassibi - IEEE Transactions on Automatic Control, 2019 - ieeexplore.ieee.org
Consider a control problem with a communication channel connecting the observer of a
linear stochastic system to the controller. The goal of the controller is to minimize a quadratic …

Semidefinite programming approach to Gaussian sequential rate-distortion trade-offs

T Tanaka, KKK Kim, PA Parrilo… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Sequential rate-distortion (SRD) theory provides a framework for studying the fundamental
trade-off between data-rate and data-quality in real-time communication systems. In this …

LQG control with minimum directed information: Semidefinite programming approach

T Tanaka, PM Esfahani, SK Mitter - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
We consider a discrete-time linear-quadratic-Gaussian (LQG) control problem, in which
Massey's directed information from the observed output of the plant to the control input is …

Zero-delay rate distortion via filtering for vector-valued Gaussian sources

PA Stavrou, J Østergaard… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
We deal with zero-delay source coding of a vector-valued Gauss–Markov source subject to
a mean-squared error (MSE) fidelity criterion characterized by the operational zero-delay …

Optimal Estimation via Nonanticipative Rate Distortion Function and Applications to Time-Varying Gauss--Markov Processes

PA Stavrou, T Charalambous, CD Charalambous… - SIAM Journal on Control …, 2018 - SIAM
In this paper, we develop finite-time horizon causal filters for general processes taking
values in Polish spaces using the nonanticipative rate distortion function (NRDF) …

Directed information on abstract spaces: Properties and variational equalities

CD Charalambous, PA Stavrou - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Directed information or its variants are utilized extensively in the characterization of the
capacity of channels with memory and feedback, nonanticipative lossy data compression …

Task-oriented communication design at scale

A Mostaani, TX Vu, H Habibi… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
With countless promising applications in various domains such as IoT and Industry 4.0, task-
oriented communication design (TOCD) is getting accelerated attention from the research …

Rate of prefix-free codes in LQG control systems

T Tanaka, KH Johansson, T Oechtering… - 2016 IEEE …, 2016 - ieeexplore.ieee.org
In this paper, we consider a discrete time linear quadratic Gaussian (LQG) control problem
in which state information of the plant is encoded in a variable-length binary codeword at …

Tracking and control of Gauss–Markov processes over packet-drop channels with acknowledgments

A Khina, V Kostina, A Khisti… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
We consider the problem of tracking the state of Gauss-Markov processes over rate-limited
erasure-prone links. We concentrate first on the scenario in which several independent …

Indirect NRDF for partially observable Gauss–Markov processes with mse distortion: characterizations and optimal solutions

PA Stavrou, M Skoglund - IEEE Transactions on Automatic …, 2024 - ieeexplore.ieee.org
We study the problem of characterizing and computing the Gaussian nonanticipative rate-
distortion function (NRDF) of partially observable multivariate Gauss–Markov processes with …