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The paper aims to reveal the relationship between the performance of moving object tracking algorithms and the tracking anchors (station) deployment. The Dilution of Precision (DoP) for Time difference of arrival (TDoA) technique with…

Signal Processing · Electrical Eng. & Systems 2021-12-13 Fengyun Zhang , Hao Li , Yulong Ding , Shuang-Hua Yang , Li Yang

Based on dynamical density functional theory (DDFT) we consider a non-equilibrium system of interacting colloidal particles driven by a constant tilting force through a periodic, symmetric "washboard" potential. We demonstrate that, despite…

Soft Condensed Matter · Physics 2015-05-19 Ken Lichtner , Sabine H. L. Klapp

In Orthogonal Time Frequency Space (OTFS) modulation, information symbols are embedded in the delay-Doppler (DD) domain instead of the time-frequency (TF) domain. n order to ensure compatibility with existing OFDM systems (e.g. 4G LTE),…

Information Theory · Computer Science 2024-10-30 Saif Khan Mohammed

We address the problem of tensor decomposition in application to direction-of-arrival (DOA) estimation for transmit beamspace (TB) multiple-input multiple-output (MIMO) radar. A general 4-order tensor model that enables computationally…

Information Theory · Computer Science 2022-06-29 Feng Xu , Matthew W. Morency , Sergiy A. Vorobyov

Multi-Agent Path Finding (MAPF) poses a significant and challenging problem critical for applications in robotics and logistics, particularly due to its combinatorial complexity and the partial observability inherent in realistic…

Multiagent Systems · Computer Science 2025-09-29 Merve Atasever , Matthew Hong , Mihir Nitin Kulkarni , Qingpei Li , Jyotirmoy V. Deshmukh

Distributed power control over interference limited network has received an increasing intensity of interest over the past few years. Distributed solutions (like the iterative water-filling, gradient projection, etc.) have been intensively…

Information Theory · Computer Science 2015-05-19 Yong Cheng , Vincent K. N. Lau

Source localization is of pivotal importance in several areas such as wireless sensor networks and Internet of Things (IoT), where the location information can be used for a variety of purposes, e.g. surveillance, monitoring, tracking, etc.…

Signal Processing · Electrical Eng. & Systems 2018-07-16 Luis F. Abanto-Leon , Arie Koppelaar , Sonia Heemstra de Groot

Trajectory planning for teleoperated space manipulators involves challenges such as accurately modeling system dynamics, particularly in free-floating modes with non-holonomic constraints, and managing time delays that increase model…

Robotics · Computer Science 2024-08-13 Bo Xia , Xianru Tian , Bo Yuan , Zhiheng Li , Bin Liang , Xueqian Wang

With the development of satellite communication technology, satellite-terrestrial integrated networks (STIN), which integrate satellite networks and ground networks, can realize seamless global coverage of communication services.…

Networking and Internet Architecture · Computer Science 2024-09-10 Yihong Tao , Bo Lei , Haoyang Shi , Jingkai Chen , Xing Zhang

We study the problem of deploying a fleet of mobile robots to service tasks that arrive stochastically over time and at random locations in an environment. This is known as the Dynamic Vehicle Routing Problem (DVRP) and requires robots to…

This article emphasizes on inconsistencies in the dynamical estimates obtained by first-order transverse discontinuity mapping (TDM) and direct numerical observations for hybrid dynamical systems. Pitfalls of locally linearizing hybrid…

Chaotic Dynamics · Physics 2025-10-21 Rohit Chawla , Aasifa Rounak , Vikram Pakrashi

Many drone-related applications (e.g., drone-aided video capture, drone traffic and safety management) require group communications between drones to efficiently disseminate data or reliably deliver critical information, making use of the…

Networking and Internet Architecture · Computer Science 2020-08-18 Wanqing Tu

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 comprehensive framework regarding the analysis of a Time Division…

Information Theory · Computer Science 2019-09-19 Christos K. Kourtellaris , Constantinos Psomas , Ioannis Krikidis

In moderate- to high-mobility scenarios, CSI varies rapidly and becomes temporally non-stationary, leading to severe performance degradation in the massive MIMO transmissions. To address this issue, we propose a tensor-structured approach…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Hongwei Hou , Yafei Wang , Yiming Zhu , Xinping Yi , Wenjin Wang , Dirk T. M. Slock , Shi Jin

This paper presents a general technique for the joint Direction-of-Arrival (DoA) and Time-of-Arrival (ToA) estimation in multipath environments. The proposed ultra-wideband technique is based on phase-mode expansions and the use of nearly…

Signal Processing · Electrical Eng. & Systems 2023-04-28 Alejandro Ramírez-Arroyo , Antonio Alex-Amor , Pablo Padilla , Juan F. Valenzuela-Valdés

We develop a new tensor model for slow-time multiple-input multiple output (MIMO) radar and apply it for joint direction-of-departure (DOD) and direction-of-arrival (DOA) estimation. This tensor model aims to exploit the independence of…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Feng Xu , Sergiy A. Vorobyov , Xiaopeng Yang

This paper presents a multi-contact motion adaptation framework that enables teleoperation of high degree-of-freedom (DoF) robots, such as quadrupeds and humanoids, for loco-manipulation tasks in multi-contact settings. Our proposed…

Robotics · Computer Science 2022-06-02 Quentin Rouxel , Kai Yuan , Ruoshi Wen , Zhibin Li

This work analyses the performance-complexity tradeoff for different direction of arrival (DoA) estimation techniques. Such tradeoff is investigated taking into account uniform linear array structures. Several DoA estimation techniques have…

Signal Processing · Electrical Eng. & Systems 2020-02-06 Edno Gentilho , Paulo Rogério Scalassara , Taufik Abrão

This paper proposes a multipath compensation algorithm (MCA) to enhance the performance of an ultrasonic local positioning system under adverse multipath conditions. The proposed algorithm is based on the accurate estimation of the…

Signal Processing · Electrical Eng. & Systems 2024-02-06 Teodoro Aguilera , Fernando J. Alvarez , David Gualda , Jose M. Villadangos , Alvaro Hernandez , Jesus Urena

The generalized cross correlation (GCC) is regarded as the most popular approach for estimating the time difference of arrival (TDOA) between the signals received at two sensors. Time delay estimates are obtained by maximizing the GCC…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-25 Maximo Cobos , Fabio Antonacci , Luca Comanducci , Augusto Sarti