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In this paper, we study the transmission strategy of a ground-based beyond diagonal reconfigurable intelligent surface (BD-RIS), a.k.a RIS 2.0, in a network where multiple unmanned aerial vehicles (UAVs) simultaneously transmit signals to…

信号处理 · 电气工程与系统科学 2023-12-18 Aamer Mohamed Huroon , Yu-Chih Huang , Li-Chun Wang

An algorithm based on Artificial Neural Networks is proposed in this paper to improve the accuracy of Inertial Navigation System (INS)/ Global Navigation Satellite System (GNSS) integrated navigation during the absence of GNSS signals. The…

信号处理 · 电气工程与系统科学 2020-10-07 Uche Onyekpe , Vasile Palade , Stratis Kanarachos

We propose an efficient motion planning method designed to efficiently find collision-free trajectories for multiple manipulators. While multi-manipulator systems offer significant advantages, coordinating their motions is computationally…

机器人学 · 计算机科学 2025-09-18 Junhwa Hong , Beomjoon Lee , Woojin Lee , Changjoo Nam

The goal of this work is to construct and study hybrid and multiplicative two-level overlapping Schwarz algorithms with standard coarse spaces for the almost incompressible linear elasticity and Stokes systems, discretized by mixed finite…

数值分析 · 数学 2016-11-03 Mingchao Cai , Luca F. Pavarino

Cellular-based networks are expected to offer connectivity for massive Internet of Things (mIoT) systems. However, their Random Access CHannel (RACH) procedure suffers from unreliability, due to the collision from the simultaneous massive…

网络与互联网体系结构 · 计算机科学 2020-05-05 Nan Jiang , Yansha Deng , Arumugam Nallanathan , Jinghong Yuan

This paper offers a formal framework for the rare collision risk estimation of autonomous vehicles (AVs) with multi-agent situation awareness, affected by different sources of noise in a complex dynamic environment. In our proposed setting,…

系统与控制 · 电气工程与系统科学 2024-05-03 Mahdieh Zaker , Henk A. P. Blom , Sadegh Soudjani , Abolfazl Lavaei

We consider the joint design and control of discrete-time stochastic dynamical systems over a finite time horizon. We formulate the problem as a multi-step optimization problem under uncertainty seeking to identify a system design and a…

机器学习 · 计算机科学 2022-01-07 Adrien Bolland , Ioannis Boukas , Mathias Berger , Damien Ernst

In this paper, the optimization of deploying unmanned aerial vehicles (UAVs) over a reconfigurable intelligent surfaces (RISs)-assisted visible light communication (VLC) system is studied. In the considered model, UAVs are required to…

信息论 · 计算机科学 2020-12-25 Yihan Cang , Ming Chen , Zhaohui Yang , Mingzhe Chen , Chongwen Huang

This paper presents a novel method for reformulating non-differentiable collision avoidance constraints into smooth nonlinear constraints using strong duality of convex optimization. We focus on a controlled object whose goal is to avoid…

最优化与控制 · 数学 2018-06-12 Xiaojing Zhang , Alexander Liniger , Francesco Borrelli

We develop an optimization-based framework for joint real-time trajectory planning and feedback control of feedback-linearizable systems. To achieve this goal, we define a target trajectory as the optimal solution of a time-varying…

系统与控制 · 电气工程与系统科学 2020-03-17 Tianqi Zheng , John Simpson-Porco , Enrique Mallada

With the rapid advances in programmable materials, reconfigurable intelligent surfaces (RIS) have become a pivotal technology for future wireless communications. The simultaneous transmitting and reflecting reconfigurable intelligent…

机器学习 · 计算机科学 2025-12-02 Yujie Huang , Haibin Wan , Xiangcheng Li , Tuanfa Qin , Yun Li , Jun Li , Wen Chen

Prior studies on intelligent reflecting surface (IRS) have mostly considered wireless communication systems aided by a single passive IRS, which, however, has limited control over wireless propagation environment and suffers severe…

信息论 · 计算机科学 2023-01-09 Yunpu Zhang , Changsheng You , Beixiong Zheng

Unlike the conventional fully-passive and fully-active reconfigurable intelligent surfaces (RISs), a hybrid RIS consisting of active and passive reflection units has recently been concerned, which can exploit their integrated advantages to…

仪器与探测器 · 物理学 2025-05-27 Yu Yao , Junhao Zhang , Pu Miao , Long Zhang , Gaojie Chen , Feng Shu , Kai-Kit Wong

Intelligent reflecting surfaces (IRSs) are a promising low-cost solution for achieving high spectral and energy efficiency in future communication systems by enabling the customization of wireless propagation environments. Despite the…

信息论 · 计算机科学 2024-04-30 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober , Wolfgang Gerstacker

This paper proposes a receding horizon active learning and control problem for dynamical systems in which Gaussian Processes (GPs) are utilized to model the system dynamics. The active learning objective in the optimization problem is…

系统与控制 · 电气工程与系统科学 2021-05-13 Viet-Anh Le , Truong X. Nghiem

In this work, solution of the finite horizon hybrid optimal control problem as the central element of the receding horizon optimal control (model predictive control) is investigated based on the indirect approach. The response of a hybrid…

系统与控制 · 计算机科学 2020-09-24 Babak Tavassoli

Tradable Credit Schemes (TCS) promote the use of public and shared transport by capping private car usage while maintaining fair welfare outcomes by allowing credit trading. However, most existing studies assume unlimited public transit…

系统与控制 · 电气工程与系统科学 2025-12-15 Zenghao Hou , Ludovic Leclercq

This paper investigates the use of Reinforcement Learning for the robust design of low-thrust interplanetary trajectories in presence of severe disturbances, modeled alternatively as Gaussian additive process noise, observation noise,…

机器学习 · 计算机科学 2020-08-20 Alessandro Zavoli , Lorenzo Federici

We study distributed stochastic gradient (D-SG) method and its accelerated variant (D-ASG) for solving decentralized strongly convex stochastic optimization problems where the objective function is distributed over several computational…

最优化与控制 · 数学 2021-10-05 Alireza Fallah , Mert Gurbuzbalaban , Asuman Ozdaglar , Umut Simsekli , Lingjiong Zhu

Current invasive assistive technologies are designed to infer high-dimensional motor control signals from severely paralyzed patients. However, they face significant challenges, including public acceptance, limited longevity, and barriers…

机器人学 · 计算机科学 2025-05-19 Ali Rabiee , Sima Ghafoori , MH Farhadi , Robert Beyer , Xiangyu Bai , David J Lin , Sarah Ostadabbas , Reza Abiri