Skip to Content
You are currently on the new version of our website. Access the old version .

1,328 Results Found

  • Article
  • Open Access
20 Citations
5,636 Views
33 Pages

Amplitude Constrained MIMO Channels: Properties of Optimal Input Distributions and Bounds on the Capacity

  • Alex Dytso,
  • Mario Goldenbaum,
  • H. Vincent Poor and
  • Shlomo Shamai (Shitz)

19 February 2019

In this work, the capacity of multiple-input multiple-output channels that are subject to constraints on the support of the input is studied. The paper consists of two parts. The first part focuses on the general structure of capacity-achieving input...

(This article belongs to the Special Issue Information Theory for Data Communications and Processing)
  • Article
  • Open Access
2,562 Views
14 Pages

6 November 2020

This paper presents an analysis of the accelerometer input–output energy distribution based on the upper bound of the absolute dynamic error (UBADE). This analysis corresponds to the input and output accelerometer signals, determined previously...

(This article belongs to the Section I: Energy Fundamentals and Conversion)
  • Article
  • Open Access
80 Views
24 Pages

5 November 2026

This paper presents a unified framework for trajectory tracking and static obstacle avoidance of differential-drive mobile robots. A nominal exact-decoupling controller achieves pure exponential longitudinal convergence and globally avoids angular si...

(This article belongs to the Special Issue Intelligent Automation and Disturbance Rejection for Robotic Processes)
  • Article
  • Open Access
40 Citations
4,160 Views
15 Pages

Swin Transformer Improves the IDH Mutation Status Prediction of Gliomas Free of MRI-Based Tumor Segmentation

  • Jiangfen Wu,
  • Qian Xu,
  • Yiqing Shen,
  • Weidao Chen and ,
  • Kai Xu and
  • Xian-Rong Qi
  • + 1 author+ 0 author

8 August 2022

Background: Deep learning (DL) could predict isocitrate dehydrogenase (IDH) mutation status from MRIs. Yet, previous work focused on CNNs with refined tumor segmentation. To bridge the gap, this study aimed to evaluate the feasibility of developing a...

(This article belongs to the Special Issue Computational Neuroradiology and AI in Neuroradiology)
  • Article
  • Open Access
165 Views
22 Pages

20 October 2026

Several sources may produce sequential evidence even though only an unknown source is conditionally valid at each time. We study this problem when the valid source can change predictably at most a prescribed number of times. Other sources are unrestr...

(This article belongs to the Special Issue Symmetry Application in Statistical Process Control)
  • Article
  • Open Access
19 Citations
7,254 Views
18 Pages

7 February 2014

In this paper, the problem of stabilizing a class of fractional-order chaotic systems with sector and dead-zone nonlinear inputs is investigated. The effects of model uncertainties and external disturbances are fully taken into account. Moreover, the...

(This article belongs to the Special Issue Dynamical Systems)
  • Article
  • Open Access
1 Citations
1,665 Views
30 Pages

Distributed Sensor Network Calibration Under Sensor Nonlinearities with Applications in Aerodynamic Pressure Sensing

  • Srdjan S. Stanković,
  • Miloš S. Stanković,
  • Mladen Veinović,
  • Ivana Jokić and
  • Miloš Frantlović

16 April 2025

The theoretical part of this paper is devoted to a class of distributed blind calibration algorithms for large sensor networks based on consensus. The basic blind calibration method starts from affine sensor models and calibration functions, aiming t...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
414 Views
31 Pages

19 September 2026

Background/Objectives: Lightweight detectors are attractive for high-throughput low-dose CT lung-cancer screening, yet the training-time choices governing their accuracy are usually fixed without justification, as is the protocol used to evaluate the...

(This article belongs to the Section Medical Imaging and Theranostics)
  • Technical Note
  • Open Access
8 Citations
3,295 Views
16 Pages

Angle and Range Unambiguous Estimation with Nested Frequency Diverse Array MIMO Radars

  • Zhengxi Wang,
  • Ximin Li,
  • Shengqi Zhu,
  • Fa Wei and
  • Congfeng Liu

28 January 2025

This paper proposes an unambiguous method for joint angle and range estimation in colocated multiple-input multiple-output (MIMO) radar using the nested frequency diverse array (NFDA). Unlike a conventional phased array (PA), the transmission beampat...

(This article belongs to the Topic Advanced Array Antenna Design and Signal Processing Techniques)
  • Article
  • Open Access
4 Citations
1,179 Views
25 Pages

Mathematically Grounded Neuro-Fuzzy Control of IoT-Enabled Irrigation Systems

  • Nikolay Hinov,
  • Reni Kabakchieva,
  • Daniela Gotseva and
  • Plamen Stanchev

16 January 2026

This paper develops a mathematically grounded neuro-fuzzy control framework for IoT-enabled irrigation systems in precision agriculture. A discrete-time, physically motivated model of soil moisture is formulated to capture the nonlinear water dynamic...

(This article belongs to the Special Issue Advances in Fuzzy Logic and Artificial Neural Networks, 2nd Edition)
  • Article
  • Open Access
7 Citations
3,862 Views
17 Pages

25 December 2021

In this paper, we investigate the problem of direction-of-arrival (DOA) estimation for massive multi-input multi-output (MIMO) radar, and propose a total array-based multiple signals classification (TA-MUSIC) algorithm for two-dimensional direction-o...

(This article belongs to the Special Issue Advances in Sparse Sensor Arrays)
  • Article
  • Open Access
620 Views
17 Pages

Kerogen-Bound Maleimides Associated with Photosynthetic Pigment Inputs in 2.1 Ga Sedimentary Rocks

  • Ryosuke Saito,
  • Airi Takano,
  • Yusuke Sawaki,
  • Mathieu Moussavou and
  • Amboise Edou-Minko

Direct molecular evidence for ancient photosynthetic pigment inputs in early Proterozoic sedimentary rocks remains scarce, partly because of long-standing concerns about contamination in Precambrian biomarker studies. Here, we report maleimide and ph...

(This article belongs to the Section Biogeosciences)
  • Article
  • Open Access
5 Citations
2,890 Views
20 Pages

Sensitivity of Source Apportionment of Ambient PM2.5-Bound Elements to Input Concentration Data

  • Tianchu Zhang,
  • Yushan Su,
  • Jerzy Debosz,
  • Michael Noble and ,
  • Anthony Munoz and
  • Xiaohong Xu
  • + 1 author+ 0 author

10 August 2023

This study investigated the sensitivity of the positive matrix factorization (PMF) model using concentrations of PM2.5-bound elements in Windsor, Ontario, Canada. Five scenarios were devised to assess impacts of input data on source identification, s...

(This article belongs to the Special Issue The Michigan-Ontario Ozone Source Experiment (MOOSE))
  • Article
  • Open Access
4 Citations
4,095 Views
19 Pages

Use of Monitoring Approaches to Verify the Predictive Accuracy of the Modeling of Particle-Bound Solid Inputs to Surface Waters

  • Katharina Allion,
  • Michael Gebel,
  • Mario Uhlig,
  • Stefan Halbfass and ,
  • Stephan Bürger,
  • Lisa Kiemle and
  • Stephan Fuchs
  • + 2 authors+ 0 author

18 December 2021

For particle-bound substances such as phosphorus, erosion is an important input pathway to surface waters. Therefore, knowledge of soil erosion by water and sediment inputs to water bodies at high spatial resolution is essential to derive mitigation...

(This article belongs to the Special Issue Monitoring, Modelling and Management of Water Quality II)
  • Article
  • Open Access
3 Citations
1,568 Views
13 Pages

28 December 2024

This paper studies the estimation of reachable sets for discrete-time singular systems with time-varying delays and bounded peak inputs. A novel linear matrix inequality condition for the reachable set estimation of the time-varying time-delay discre...

(This article belongs to the Special Issue Advances in Numerical Analysis of Partial Differential Equations)
  • Article
  • Open Access
8 Citations
3,681 Views
32 Pages

29 May 2021

This paper analyzes the stability of fuzzy control systems with applications for electric drives. Ensuring the stability of these systems is a necessity in practice. The purpose of the study is the analysis of the dynamic characteristics of the speed...

(This article belongs to the Special Issue Fuzzy and Extension of Fuzzy Theories)
  • Article
  • Open Access
8 Citations
4,059 Views
21 Pages

Bounded Attitude Control with Active Disturbance Rejection Capabilities for Multirotor UAVs

  • José Fermi Guerrero-Castellanos,
  • Sylvain Durand,
  • German Ardul Munoz-Hernandez,
  • Nicolas Marchand and ,
  • Lorenzo L. González Romeo,
  • Jesús Linares-Flores,
  • Gerardo Mino-Aguilar and
  • Wuiyevaldo F. Guerrero-Sánchez
  • + 3 authors+ 0 author

26 June 2021

This paper addresses an attitude tracking control design applied to multirotor unmanned aerial vehicles (UAVs) based on an ADRC approach. The proposed technique groups the endogenous and exogenous disturbances into a total disturbance, and then this...

(This article belongs to the Special Issue Advances in Aerial, Space, and Underwater Robotics)
  • Article
  • Open Access
8 Citations
8,336 Views
32 Pages

25 February 2014

For a multiple input channel, one may define different capacity regions, according to the criterions of error, types of codes, and presence of feedback. In this paper, we aim to draw a complete picture of relations among these different capacity regi...

(This article belongs to the Special Issue Advances in Information Theory)
  • Article
  • Open Access
3 Citations
2,993 Views
29 Pages

11 May 2024

With the ever-increasing focus on sustainable development, recycling waste and renewable use of waste products has earned immense consideration from academics and policy makers. The serious pollution, complex types, and strong infectivity of medical...

(This article belongs to the Section Waste and Recycling)
  • Article
  • Open Access
2 Citations
2,214 Views
9 Pages

New Bounds on Capacity Region of Multiple Access Channels in Visible Light Communications

  • Ruixin Yang,
  • Bing Li,
  • Shuai Ma,
  • Youlong Wu and ,
  • Zongyan Li and
  • Shiyin Li
  • + 1 author+ 0 author

2 September 2022

In this paper, we propose new inner and outer bounds of the capacity region for multiple access channels in visible light communication (VLC) networks under both peak and average optical power constraints. Specifically, the proposed inner bounds are...

  • Article
  • Open Access
3 Citations
2,103 Views
26 Pages

5 September 2023

In this paper, the problem of the output voltage regulation of buck converters is considered. The novelty of the problem statement is that the external electric load and the input voltage of the converter are unknown bounded functions of a certain cl...

(This article belongs to the Section Electrical Machines and Drives)
  • Feature Paper
  • Article
  • Open Access
13 Citations
3,552 Views
16 Pages

Estimation of Actuator and System Faults Via an Unknown Input Interval Observer for Takagi–Sugeno Systems

  • Citlaly Martínez-García,
  • Vicenç Puig,
  • Carlos-M. Astorga-Zaragoza,
  • Guadalupe Madrigal-Espinosa and
  • Juan Reyes-Reyes

2 January 2020

This paper presents a simultaneous state variables and system and actuator fault estimation, based on an unknown input interval observer design for a discrete-time parametric uncertain Takagi–Sugeno system under actuator fault, with disturbance...

(This article belongs to the Special Issue Optimization for Control, Observation and Safety)
  • Feature Paper
  • Article
  • Open Access
5 Citations
2,483 Views
20 Pages

29 June 2023

We study the LOCC-assisted quantum capacity of a bosonic dephasing channel with energy constraint on the input states. We start our analysis by focusing on the energy-constrained squashed entanglement of the channel, which is an upper bound for the e...

(This article belongs to the Section Quantum Information)
  • Article
  • Open Access
12 Citations
4,075 Views
23 Pages

7 September 2018

The capacity region of a two-transmitter Gaussian multiple access channel (MAC) under average input power constraints is studied, when the receiver employs a zero-threshold one-bit analogue-to-digital converter (ADC). It is proven that the input dist...

(This article belongs to the Special Issue Information Theory for Data Communications and Processing)
  • Article
  • Open Access
65 Citations
3,961 Views
16 Pages

Barrier Function-Based Nonsingular Finite-Time Tracker for Quadrotor UAVs Subject to Uncertainties and Input Constraints

  • Khalid A. Alattas,
  • Mai The Vu,
  • Omid Mofid,
  • Fayez F. M. El-Sousy and ,
  • Afef Fekih and
  • Saleh Mobayen
  • + 1 author+ 0 author

12 May 2022

This study proposes an adaptive barrier functions-based non-singular terminal sliding mode control approach for the trajectory tracking of a quadrotor unmanned aerial vehicle subject to bounded uncertainties and input constraints. First, the state-sp...

  • Article
  • Open Access
17 Citations
12,715 Views
17 Pages

18 February 2013

The maximum common connected edge subgraph problem is to find a connected graph with the maximum number of edges that is isomorphic to a subgraph of each of the two input graphs, where it has applications in pattern recognition and chemistry. This pa...

(This article belongs to the Special Issue Graph Algorithms)
  • Article
  • Open Access
4 Citations
2,843 Views
21 Pages

11 April 2022

In this paper, a finite memory, non-causal Volterra model is proposed to estimate the potential functions in various inverse quantum mechanical problems, where the bound or scattered wave functions are used as inputs of the Volterra system, while the...

  • Article
  • Open Access
5 Citations
4,909 Views
12 Pages

27 February 2018

Why does nature only allow nonlocal correlations up to Tsirelson’s bound and not beyond? We construct a channel whose input is statistically independent of its output, but through which communication is nevertheless possible if and only if Tsirelson’...

(This article belongs to the Special Issue Entropy in Foundations of Quantum Physics)
  • Article
  • Open Access
5 Citations
6,084 Views
13 Pages

29 July 2021

Task-nuisance decomposition describes why the information bottleneck loss I(z;x)−βI(z;y) is a suitable objective for supervised learning. The true category y is predicted for input x using latent variables z. When n is a nuisance independent from y,...

(This article belongs to the Section Complexity)
  • Article
  • Open Access
1 Citations
1,296 Views
18 Pages

Asymptotic and Probabilistic Perturbation Analysis of Controllable Subspaces

  • Vera Angelova,
  • Mihail Konstantinov and
  • Petko Petkov

28 November 2024

In this paper, we consider the sensitivity of the controllable subspaces of single-input linear control systems to small perturbations of the system matrices. The analysis is based on the strict component-wise asymptotic bounds for the matrix of the...

  • Feature Paper
  • Article
  • Open Access
4 Citations
5,218 Views
14 Pages

14 November 2017

The downlink of symmetric Cloud Radio Access Networks (C-RANs) with multiple relays and a single receiver is studied. Lower and upper bounds are derived on the capacity. The lower bound is achieved by Marton’s coding, which facilitates dependence amo...

(This article belongs to the Special Issue Network Information Theory)
  • Article
  • Open Access
4,795 Views
13 Pages

5 July 2017

Kernel methods have been used for turning linear learning algorithms into nonlinear ones. These nonlinear algorithms measure distances between data points by the distance in the kernel-induced feature space. In lossy data compression, the optimal tra...

(This article belongs to the Special Issue Information Theory in Machine Learning and Data Science)
  • Article
  • Open Access
448 Views
15 Pages

23 January 2026

This paper presents a repetitive learning control scheme to handle systems subject to both time-delay and dead-zone nonlinearities and the state-dependent input gain simultaneously. The adaptive bounding techniques are utilized to deal with the nonpa...

  • Article
  • Open Access
6 Citations
2,539 Views
21 Pages

29 December 2020

In this work, substrate control of a biological process with unknown varying control gain, input saturation, and uncertain reaction rate is addressed. A novel adaptive controller is proposed, which tackles the combined effect of input saturation and...

  • Article
  • Open Access
2,994 Views
17 Pages

In the domain of artificial neural networks, it is important to know what their representation, classification and generalization capabilities are. There is also a need for time and resource-efficient training algorithms. Here, a new zero-error train...

  • Article
  • Open Access
1,200 Views
26 Pages

6 March 2026

This paper studies constrained model reference adaptive control (MRAC) for a planar unmanned ground vehicle (UGV) subject to actuator limits and safety requirements. First, we establish a double-integrator model by applying dynamic feedback lineariza...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
2 Citations
2,613 Views
23 Pages

2 August 2023

This paper addresses the problem of decentralized safety control (DSC) of constrained interconnected nonlinear safety-critical systems under reinforcement learning strategies, where asymmetric input constraints and security constraints are considered...

(This article belongs to the Special Issue Information Theory for Interpretable Machine Learning)
  • Article
  • Open Access
5 Citations
3,308 Views
25 Pages

16 September 2021

In this work, a new adaptive controller is designed for substrate control of a fed-batch bioreactor in the presence of input saturation and unknown varying control gain with unknown upper and lower bounds. The output measurement noise and the unknown...

(This article belongs to the Section Computational Engineering)
  • Article
  • Open Access
2,209 Views
11 Pages

25 September 2021

An infinite-bound stabilization of a system modeled as singularly perturbed bilinear systems is examined. First, we present a Lyapunov equation approach for the stabilization of singularly perturbed bilinear systems for all ε∈(0, ∞). The method is ba...

(This article belongs to the Special Issue Asymptotic Analysis and Homogenization of PDEs)
  • Article
  • Open Access
283 Views
30 Pages

7 September 2026

This work presents a finite-time adaptive fuzzy control approach for a category of multi-input multi-output nonlinear systems in the presence of input saturation and external disturbances. A hyperbolic function is adopted to convert the unconstrained...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
5 Citations
3,911 Views
31 Pages

Coresets for the Average Case Error for Finite Query Sets

  • Alaa Maalouf,
  • Ibrahim Jubran,
  • Murad Tukan and
  • Dan Feldman

8 October 2021

Coreset is usually a small weighted subset of an input set of items, that provably approximates their loss function for a given set of queries (models, classifiers, hypothesis). That is, the maximum (worst-case) error over all queries is bounded. To...

(This article belongs to the Special Issue Sensor Data Summarization: Theory, Applications, and Systems)
  • Feature Paper
  • Article
  • Open Access
34 Citations
3,526 Views
21 Pages

Neural Network-Based Prediction Model for the Stability of Unlined Elliptical Tunnels in Cohesive-Frictional Soils

  • Sayan Sirimontree,
  • Suraparb Keawsawasvong,
  • Chayut Ngamkhanong,
  • Sorawit Seehavong and ,
  • Kongtawan Sangjinda,
  • Thira Jearsiripongkul,
  • Chanachai Thongchom and
  • Peem Nuaklong
  • + 3 authors+ 0 author

The scheme for accurate and reliable predictions of tunnel stability based on an artificial aeural network (ANN) is presented in this study. Plastic solutions of the stability of unlined elliptical tunnels in sands are first derived by using numerica...

(This article belongs to the Special Issue Advances in Soils and Foundations)
  • Article
  • Open Access
2 Citations
4,779 Views
16 Pages

Iterative Multiple Bounding-Box Refinements for Visual Tracking

  • Giorgio Cruciata,
  • Liliana Lo Presti and
  • Marco La Cascia

Single-object visual tracking aims at locating a target in each video frame by predicting the bounding box of the object. Recent approaches have adopted iterative procedures to gradually refine the bounding box and locate the target in the image. In...

(This article belongs to the Section Computer Vision and Pattern Recognition)
  • Article
  • Open Access
2 Citations
996 Views
30 Pages

12 November 2025

This paper studies spacecraft control under communication congestion, multi-source uncertainties, and input constraints. To reduce communication load, a static event-triggered mechanism is used so that transmissions occur only when necessary. Unknown...

(This article belongs to the Special Issue New Sights of Intelligent Robust Control in Aerospace)
  • Article
  • Open Access
12 Citations
3,895 Views
22 Pages

Use of Ensemble-Based Gridded Precipitation Products for Assessing Input Data Uncertainty Prior to Hydrologic Modeling

  • Scott Pokorny,
  • Tricia A. Stadnyk,
  • Rajtantra Lilhare,
  • Genevieve Ali and ,
  • Stephen J. Déry and
  • Kristina Koenig
  • + 1 author+ 0 author

2 October 2020

The spatial and temporal performance of an ensemble of five gridded climate datasets (precipitation) (North American Regional Reanalysis, European Centre for Medium-Range Weather Forecasts interim reanalysis, European Union Water and Global Change (W...

(This article belongs to the Special Issue Modelling Precipitation in Space and Time)
  • Article
  • Open Access
11 Citations
3,531 Views
42 Pages

Information Bottleneck for a Rayleigh Fading MIMO Channel with an Oblivious Relay

  • Hao Xu,
  • Tianyu Yang,
  • Giuseppe Caire and
  • Shlomo Shamai (Shitz)

8 April 2021

This paper considers the information bottleneck (IB) problem of a Rayleigh fading multiple-input multiple-out (MIMO) channel with an oblivious relay. The relay is constrained to operating without knowledge of the codebooks, i.e., it performs obliviou...

(This article belongs to the Special Issue Statistical Communication and Information Theory)
  • Article
  • Open Access
4 Citations
3,948 Views
10 Pages

Relating Entropies of Quantum Channels

  • Dariusz Kurzyk,
  • Łukasz Pawela and
  • Zbigniew Puchała

10 August 2021

In this work, we study two different approaches to defining the entropy of a quantum channel. One of these is based on the von Neumann entropy of the corresponding Choi–Jamiołkowski state. The second one is based on the relative entropy of the output...

(This article belongs to the Section Quantum Information)
  • Article
  • Open Access
4 Citations
2,415 Views
12 Pages

15 September 2023

This paper is concerned with event-triggered bounded consensus tracking for a class of second-order nonlinear multi-agent systems with uncertainties (MASs). Remarkably, the considered MASs allow multiple uncertainties, including unknown control coeff...

(This article belongs to the Special Issue Nonlinear Dynamical Behaviors in Complex Systems)
  • Article
  • Open Access
382 Views
18 Pages

Adaptive Yaw Control for an Unmanned Surface Vessel System with Transient Error Analysis

  • Zhonggang Xiong,
  • Tianpeng Huang,
  • Huishuang Shao and
  • Xiaozhao Jin

In this paper, an adaptive tracking control technique is proposed to stabilize the yaw angle of an unmanned surface vessel (USV) system subject to input saturation and external disturbances. Unlike existing saturation systems and disturbance rejectio...

(This article belongs to the Special Issue Advances in Intelligent Control and Navigation of Unmanned Marine Vehicles)
  • Article
  • Open Access
5 Citations
1,395 Views
20 Pages

Design of a Finite-Time Bounded Tracking Controller for Time-Delay Fractional-Order Systems Based on Output Feedback

  • Jiang Wu,
  • Hao Xie,
  • Tianyi Li,
  • Wenjian He and ,
  • Tiancan Xi and
  • Xiaoling Liang
  • + 1 author+ 0 author

9 January 2025

This paper focuses on a class of fractional-order systems with state delays and studies the design problem of the finite-time bounded tracking controller. The error system method in preview control theory is first used. By taking fractional-order der...

of 27