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Intelligent reflecting surfaces (IRSs) are envisioned as a low-cost solution to achieve high spectral and energy efficiency in future communication systems due to their ability to customize wireless propagation environments. Although…

信息论 · 计算机科学 2023-02-27 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober , Wolfgang Gerstacker

Efficient computation offloading in multi-UAV edge networks becomes particularly challenging in dense urban areas, where line-of-sight (LoS) links are frequently blocked and user demand varies rapidly. Reconfigurable intelligent surfaces…

系统与控制 · 电气工程与系统科学 2026-03-24 Liangshun Wu , Jianbo Du , Junsuo Qu

This paper investigates an aerial reconfigurable intelligent surface (RIS)-aided communication system under the probabilistic line-of-sight (LoS) channel, where an unmanned aerial vehicle (UAV) equipped with an RIS is deployed to assist two…

信号处理 · 电气工程与系统科学 2022-04-12 Yifan Liu , Bin Duo , Qingqing Wu , Xiaojun Yuan , Jun Li , Yonghui LI

We investigate THz communication uplink multiple access using cascaded intelligent reflecting surfaces (IRSs) assuming correlated channels. Two independent objectives to be achieved via adjusting the phases of the cascaded IRSs: 1)…

In this paper, we study an unmanned aerial vehicle (UAV) communication system, where a ground node (GN) communicate with a UAV assisted by intelligent reflecting surface (IRS) in the presence of a jammer with imperfect location information.…

信息论 · 计算机科学 2022-01-25 Zhi Ji , Xinrong Guan , Jia Tu , Qingqing Wu , Wendong Yang

Differential equations arising in many practical applications are characterized by multiple time scales. Multirate time integration seeks to solve them efficiently by discretizing each scale with a different, appropriate time step, while…

数值分析 · 计算机科学 2022-02-03 Adrian Sandu

In order to drive safely and efficiently under merging scenarios, autonomous vehicles should be aware of their surroundings and make decisions by interacting with other road participants. Moreover, different strategies should be made when…

机器学习 · 计算机科学 2020-02-24 Yeping Hu , Alireza Nakhaei , Masayoshi Tomizuka , Kikuo Fujimura

Quadrotors can achieve aggressive flight by tracking complex maneuvers and rapidly changing directions. Planning for aggressive flight with trajectory optimization could be incredibly fast, even in higher dimensions, and can account for…

机器人学 · 计算机科学 2021-05-03 Ramkumar Natarajan , Howie Choset , Maxim Likhachev

Intelligent reflecting surface (IRS) is a rapidly emerging paradigm to enable non-line-of-sight (NLoS) wireless transmission. In this paper, we focus on IRS-aided radar estimation performance of a moving hidden or NLoS target. Unlike prior…

信号处理 · 电气工程与系统科学 2022-12-14 Zahra Esmaeilbeig , Kumar Vijay Mishra , Arian Eamaz , Mojtaba Soltanalian

This paper presents a novel methodology to enforce motion safety guarantees even in the event of a sudden loss of control capabilities by any agent within a multi-agent system. This passive safety methodology permits the replacement of…

最优化与控制 · 数学 2023-05-29 Tommaso Guffanti , Simone D'Amico

Trajectory optimization has been used extensively in robotic systems. In particular, iterative Linear Quadratic Regulator (iLQR) has performed well as an off-line planner and online nonlinear model predictive control solver, with a lower…

机器人学 · 计算机科学 2023-03-21 Yunxi Tang , Xiangyu Chu , Wanxin Jin , K. W. Samuel Au

Regular transition systems (RTS) are a popular formalism for modeling infinite-state systems in general, and parameterised systems in particular. In a CONCUR 22 paper, Esparza et al. introduce a novel approach to the verification of RTS,…

形式语言与自动机理论 · 计算机科学 2024-07-22 Philipp Czerner , Javier Esparza , Valentin Krasotin , Christoph Welzel-Mohr

We address the generalized Nash equilibrium seeking problem in a partial-decision information scenario, where each agent can only exchange information with some neighbors, although its cost function possibly depends on the strategies of all…

最优化与控制 · 数学 2021-12-14 Mattia Bianchi , Giuseppe Belgioioso , Sergio Grammatico

In this paper, unmanned aerial vehicles (UAVs) and intelligent reflective surface (IRS) are utilized to support terahertz (THz) communications. To this end, the joint optimization of UAV's trajectory, the phase shift of IRS, the allocation…

信号处理 · 电气工程与系统科学 2021-03-02 Yijin Pan , Kezhi Wang , Cunhua Pan , Huiling Zhu , Jiangzhou Wang

Controlling hybrid systems is mostly very challenging due to the variety of dynamics these systems can exhibit. Inspired by the concept of differential flatness of nonlinear continuous systems and their inherent invertibility property, the…

系统与控制 · 电气工程与系统科学 2024-09-23 Tobias Kleinert , Veit Hagenmeyer

We propose a novel exact algorithm for the transportation problem, one of the paradigmatic network optimization problems. The algorithm, denoted Iterated Inside Out, requires in input a basic feasible solution and is composed by two main…

最优化与控制 · 数学 2023-03-30 Roberto Bargetto , Federico Della Croce , Rosario Scatamacchia

Modular Aerial Robotic Systems (MARS) consist of multiple drone units assembled into a single, integrated rigid flying platform. With inherent redundancy, MARS can self-reconfigure into different configurations to mitigate rotor or unit…

机器人学 · 计算机科学 2025-03-13 Rui Huang , Siyu Tang , Zhiqian Cai , Lin Zhao

Mobile edge computing (MEC) has been regarded as a promising technique to support latencysensitivity and computation-intensive serves. However, the low offloading rate caused by the random channel fading characteristic becomes a major…

信息论 · 计算机科学 2024-03-22 Hao Xie , Dong Li , Bowen Gu

This paper introduces GODDeS: a fully distributed self-organizing decision-theoretic routing algorithm designed to effectively exploit high quality paths in lossy ad-hoc wireless environments, typically with a large number of nodes. The…

网络与互联网体系结构 · 计算机科学 2012-03-24 Ishanu Chattopadhyay

In this paper, closed-loop entry guidance in a randomly perturbed atmosphere, using bank angle control, is posed as a stochastic optimal control problem. The entry trajectory, as well as the closed-loop controls, are both modeled as random…

系统与控制 · 电气工程与系统科学 2022-01-19 Jack Ridderhof , Panagiotis Tsiotras , Breanna J. Johnson