Touraj Soleymani
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View article: RIS-Aided Networked Control Systems: A Goal-Oriented Phase Shift Optimization Approach
RIS-Aided Networked Control Systems: A Goal-Oriented Phase Shift Optimization Approach Open
International audience
View article: Remote State Estimation over Unreliable Channels with Unreliable Feedback: Fundamental Limits
Remote State Estimation over Unreliable Channels with Unreliable Feedback: Fundamental Limits Open
This article is concerned with networked estimation in a system composed of a source that is observed by a sensor, a remote monitor that needs to estimate the state of the source in real time, and a communication channel that connects the …
View article: Semantics of Instability in Networked Control
Semantics of Instability in Networked Control Open
This paper addresses a scheduling problem in the context of a cyber-physical system where a sensor and a controller communicate over an unreliable channel. The sensor observes the state of a source at each time, and according to a scheduli…
View article: Optimal Denial-of-Service Attacks Against Partially-Observable Real-Time Monitoring Systems
Optimal Denial-of-Service Attacks Against Partially-Observable Real-Time Monitoring Systems Open
In this paper, we investigate the impact of denial-of-service attacks on the status updating of a cyber-physical system with one or more sensors connected to a remote monitor via unreliable channels. We approach the problem from the perspe…
View article: Goal-Oriented Communication for Networked Control Assisted by Reconfigurable Meta-Surfaces
Goal-Oriented Communication for Networked Control Assisted by Reconfigurable Meta-Surfaces Open
In this paper, we develop a theoretical framework for goal-oriented communication assisted by reconfigurable meta-surfaces in the context of networked control systems. The relation to goal-oriented communication stems from the fact that op…
View article: Pragmatic Communication for Remote Control of Finite-State Markov Processes
Pragmatic Communication for Remote Control of Finite-State Markov Processes Open
Pragmatic or goal-oriented communication can optimize communication decisions beyond the reliable transmission of data, instead aiming at directly affecting application performance with the minimum channel utilization. In this paper, we de…
View article: Networked Control with Hybrid Automatic Repeat Request Protocols
Networked Control with Hybrid Automatic Repeat Request Protocols Open
We study feedback control of a dynamical process over a lossy channel equipped with a hybrid automatic repeat request protocol that connects a sensor to an actuator. The dynamical process is modeled by a Gauss-Markov process, and the lossy…
View article: Relation between Value and Age of Information in Feedback Control
Relation between Value and Age of Information in Feedback Control Open
In this chapter, we investigate the value of information as a more comprehensive instrument than the age of information for optimally shaping the information flow in a networked control system. In particular, we quantify the value of infor…
View article: Foundations of Value of Information: A Semantic Metric for Networked Control Systems Tasks
Foundations of Value of Information: A Semantic Metric for Networked Control Systems Tasks Open
In this chapter, we present our recent invention, i.e., the notion of the value of information$\unicode{x2014}$a semantic metric that is fundamental for networked control systems tasks. We begin our analysis by formulating a causal tradeof…
View article: Consistency of Value of Information: Effects of Packet Loss and Time Delay in Networked Control Systems Tasks
Consistency of Value of Information: Effects of Packet Loss and Time Delay in Networked Control Systems Tasks Open
In this chapter, we study the consistency of the value of information$\unicode{x2014}$a semantic metric that claims to determine the right piece of information in networked control systems tasks$\unicode{x2014}$in a lossy and delayed commu…
View article: Optimal Denial-of-Service Attacks Against Status Updating
Optimal Denial-of-Service Attacks Against Status Updating Open
In this paper, we investigate denial-of-service attacks against status updating. The target system is modeled by a Markov chain and an unreliable wireless channel, and the performance of status updating in the target system is measured bas…
View article: Remote Estimation of Markov Processes over Costly Channels: On the Benefits of Implicit Information
Remote Estimation of Markov Processes over Costly Channels: On the Benefits of Implicit Information Open
In this paper, we study the remote estimation problem of a Markov process over a channel with a cost. We formulate this problem as an infinite horizon optimization problem with two players, i.e., a sensor and a monitor, that have distinct …
View article: State Estimation over Broadcast and Multi-Access Channels in an Unreliable Regime
State Estimation over Broadcast and Multi-Access Channels in an Unreliable Regime Open
This article examines the problem of state estimation over multi-terminal channels in an unreliable regime. More specifically, we consider two canonical settings. In the first setting, measurements of a common stochastic source need to be …
View article: Value of Information in Feedback Control: Global Optimality
Value of Information in Feedback Control: Global Optimality Open
The rate-regulation tradeoff, defined between two objective functions, one penalizing the packet rate and one the regulation cost, can express the fundamental performance bound of networked control systems. However, the characterization of…
View article: Semantic Communications in Networked Systems: A Data Significance Perspective
Semantic Communications in Networked Systems: A Data Significance Perspective Open
We present our vision for a departure from the established way of architecting and assessing communication networks, by incorporating the semantics of information, defined not necessarily as the meaning of the messages, but as their signif…
View article: Value of Information in Feedback Control: Quantification
Value of Information in Feedback Control: Quantification Open
Although transmission of a data packet containing sensory information in a networked control system improves the quality of regulation, it has indeed a price from the communication perspective. It is, therefore, rational that such a data p…
View article: Feedback Control Over Noisy Channels: Characterization of a General Equilibrium
Feedback Control Over Noisy Channels: Characterization of a General Equilibrium Open
In this article, we study an energy-regulation tradeoff that delineates the fundamental performance bound of a feedback control system over a noisy channel in an unreliable communication regime. The channel and the process are modeled by a…
View article: Value of Information in Feedback Control: Global Optimality
Value of Information in Feedback Control: Global Optimality Open
The rate-regulation tradeoff, defined between two objective functions, one penalizing the packet rate and one the regulation cost, can express the fundamental performance bound of networked control systems. However, the characterization of…
View article: Semantic Communications in Networked Systems.
Semantic Communications in Networked Systems. Open
We present our vision for a departure from the established way of architecting and assessing communication networks, by incorporating the semantics of information for communications and control in networked systems. We define semantics of …
View article: Semantic Communications in Networked Systems: A Data Significance Perspective
Semantic Communications in Networked Systems: A Data Significance Perspective Open
We present our vision for a departure from the established way of architecting and assessing communication networks, by incorporating the semantics of information for communications and control in networked systems. We define semantics of …
View article: Stochastic Control with Stale Information–Part I: Fully Observable Systems
Stochastic Control with Stale Information–Part I: Fully Observable Systems Open
In this study, we adopt age of information as a measure of the staleness of information, and take initial steps towards analyzing the control performance of stochastic systems with stale information. Our goals are to cast light on a fundam…
View article: Transmission Power Control for Remote State Estimation in Industrial Wireless Sensor Networks
Transmission Power Control for Remote State Estimation in Industrial Wireless Sensor Networks Open
Novel low-power wireless technologies and IoT applications open the door to the Industrial Internet of Things (IIoT). In this new paradigm, Wireless Sensor Networks (WSNs) must fulfil, despite energy and transmission power limitations, the…
View article: Value of Information Analysis in Feedback Control
Value of Information Analysis in Feedback Control Open
This thesis is concerned with the value of information in control of cyber-physical systems. We develop a unified theoretical framework in the context of linear quadratic Gaussian control for the maximization of the control performance sub…
View article: Value of Information in Feedback Control
Value of Information in Feedback Control Open
In this article, we investigate the impact of information on networked control systems, and illustrate how to quantify a fundamental property of stochastic processes that can enrich our understanding about such systems. To that end, we dev…
View article: Value of Information in Feedback Control: Quantification
Value of Information in Feedback Control: Quantification Open
Although transmission of a data packet containing sensory information in a networked control system improves the quality of regulation, it has indeed a price from the communication perspective. It is, therefore, rational that such a data p…
View article: Covariance-Based Transmission Power Control for Estimation over Wireless Sensor Networks
Covariance-Based Transmission Power Control for Estimation over Wireless Sensor Networks Open
In this study, we would like to design a transmission power control mechanism for minimizing the transmit power of a wireless sensor node subject to a constraint on the quality of estimation at a remote estimator. In particular, we measure…
View article: LQG Control via Wireless Sensor Networks with Minimal Transmission Power
LQG Control via Wireless Sensor Networks with Minimal Transmission Power Open
This study concerns control of dynamical systems via wireless sensor nodes with minimal transmission power. In particular, we jointly design a controller and a transmission power control mechanism that adjusts the transmit power of a wirel…
View article: Value of Information in Minimum-Rate LQG Control
Value of Information in Minimum-Rate LQG Control Open
This study concerns fundamental limitations in control of mobile cyber-physical systems. In these systems, communication between a node and its base station due to limited power of the node is asymmetrical in terms of bandwidth and signal-…
View article: Optimal stationary self-triggered sampling for estimation
Optimal stationary self-triggered sampling for estimation Open
In this paper, we study optimal stationary sampling for transmission of measurements of a stochastic process from a source encoder to a source decoder through a costly communication channel. We measure information transferred over a time i…
View article: Maximization of information in energy-limited directed communication
Maximization of information in energy-limited directed communication Open
This study is concerned with an observer who desires to inform optimally a distant agent regarding a physical stochastic process in the environment. We consider that the observer has a constraint on the energy resource for the directed com…