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The state of polarization and the carrier phase drift dynamically during transmission in a random fashion in coherent optical fiber communications. The typical digital signal processing solution to mitigate these impairments consists of two…

Information Theory · Computer Science 2024-01-25 Cristian B. Czegledi , Erik Agrell , Magnus Karlsson , Pontus Johannisson

In future traffic scenarios, vehicles and other traffic participants will be interconnected and equipped with various types of sensors, allowing for cooperation based on data or information exchange. This article presents an approach to…

Computers and Society · Computer Science 2018-07-04 Günther Reitberger , Stefan Zernetsch , Maarten Bieshaar , Bernhard Sick , Konrad Doll , Erich Fuchs

Traditional beam tracking methods have severe performance loss under the high mobility and narrow beam scenario. To alleviate the tracking performance degradation, we propose an adaptive beamwidth control for millimeter wave (mmWave) beam…

Signal Processing · Electrical Eng. & Systems 2019-07-23 Hyeonjin Chung , Sunwoo Kim

A central problem of surveillance is to monitor multiple targets moving in a large-scale, obstacle-ridden environment with occlusions. This paper presents a novel principled Partially Observable Markov Decision Process-based approach to…

Artificial Intelligence · Computer Science 2012-10-03 Prabhu Natarajan , Trong Nghia Hoang , Kian Hsiang Low , Mohan Kankanhalli

This paper looks into the problem of pedestrian tracking using a monocular, potentially moving, uncalibrated camera. The pedestrians are located in each frame using a standard human detector, which are then tracked in subsequent frames.…

Computer Vision and Pattern Recognition · Computer Science 2015-01-27 Sourav Garg , Swagat Kumar , Rajesh Ratnakaram , Prithwijit Guha

In this paper, a novel cooperation-aided localization and tracking approach, suitable for terahertz (THz) wireless systems is presented. It combines an angle of arrival (AoA) tracking algorithm with the two-way time of arrival method, in…

Signal Processing · Electrical Eng. & Systems 2019-10-21 Giorgos Stratidakis , Alexandros-Apostolos A. Boulogeorgos , Angeliki Alexiou

In this paper, a novel adaptive optimal control strategy is proposed to achieve the cooperative optimal output regulation of continuous-time linear multi-agent systems based on adaptive dynamic programming (ADP). The proposed method is…

Systems and Control · Electrical Eng. & Systems 2023-01-18 Omar Qasem , Khalid Jebari , Weinan Gao

This paper presents experiments for embedded cooperative distributed model predictive control applied to a team of hovercraft floating on an air hockey table. The hovercraft collectively solve a centralized optimal control problem in each…

Robotics · Computer Science 2025-03-19 Gösta Stomberg , Roland Schwan , Andrea Grillo , Colin N. Jones , Timm Faulwasser

In this work, we consider the target detection problem in a multistatic integrated sensing and communication (ISAC) scenario characterized by the cell-free MIMO communication network deployment, where multiple radio units (RUs) in the…

Information Theory · Computer Science 2024-10-22 Tianyu Yang , Shuangyang Li , Yi Song , Kangda Zhi , Giuseppe Caire

The optimal cooperative guidance in the nonlinear setting for intercepting a target by multiple pursuers is studied in the paper. As certain relative angles can improve observability, the guidance command is required to cooperatively…

Optimization and Control · Mathematics 2024-01-17 Han Wang , Zheng Chen

Integrated Sensing and Communication (ISAC) is an emerging technology that integrates wireless sensing and communication into a single system, transforming many applications, including cooperative mobile robotics. However, in scenarios…

Networking and Internet Architecture · Computer Science 2023-06-21 Shengqian Wang , He Chen

Rapid and low-power control over the direction of a radiating light field is a major challenge in photonics and a key enabling technology for emerging sensors and free-space communication links. Current approaches based on bulky motorized…

Beam alignment enables efficient, stable transmission and control of optical energy and information, which critically depend on precise monitoring and regulation of the three-dimensional (3D) relative positioning between fibers. This study…

Optics · Physics 2025-11-27 Lin Xu , Li Pei , Jianshuai Wang , Zhouyi Hu , Tigang Ning

A stochastic control of the vibrational motion for a single trapped ion/atom is proposed. It is based on the possibility to continously monitor the motion through a light field meter. The output from the measurement process should be then…

Quantum Physics · Physics 2007-05-23 S. Mancini

Control over optical spatial coherence is a key requirement in diverse applications including imaging, optical trapping, and communications. Current approaches to controlling spatial coherence are constrained by speed or limited to a single…

This paper considers the problem of spectrum sensing in cognitive radio networks when the primary user employs Orthogonal Frequency Division Multiplexing (OFDM). We develop cooperative sequential detection algorithms based on energy…

Information Theory · Computer Science 2010-05-11 ArunKumar Jayaprakasam , Vinod Sharma , Chandra R. Murthy , Prashant Narayanan

This paper presents a novel beacon light coding protocol, which enables fast and accurate identification of the beacons in an image. The protocol is provably robust to a predefined set of detection and decoding errors, and does not require…

Computer Vision and Pattern Recognition · Computer Science 2020-04-23 Roman Rabinovich , Ibrahim Jubran , Aaron Wetzler , Ron Kimmel

Phase separation accompanied by further domain growth and coarsening is a phenomenon common to a broad variety of dynamical systems. In this connection, controlling such processes represents a relevant interdisciplinary problem. Using…

Optics · Physics 2023-08-02 Vladimir V. Semenov , Xavier Porte , Laurent Larger , Daniel Brunner

A head tracker is a crucial part of the head mounted display systems, as it tracks the head of the pilot in the plane/cockpit simulator. The operational flaws of head trackers are also dependent on different environmental conditions like…

Networking and Internet Architecture · Computer Science 2021-08-17 Aman Kataria , Smarajit Ghosh , Vinod Karar

We adopt a stochastic-geometry framework to study continuous target tracking in integrated sensing and communication (ISAC) networks, with base-station locations modelled as a Poisson point process. The single-BS analysis shows that the…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Bowen Wang , Nanxi Li , Jingzhou Wu , Zheng Jiang , Jianchi Zhu