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Autonomous robot networks are an effective tool for monitoring large-scale environmental fields. This paper proposes distributed control strategies for localizing the source of a noisy signal, which could represent a physical quantity of…

多智能体系统 · 计算机科学 2014-04-14 Nikolay A. Atanasov , Jerome Le Ny , George J. Pappas

Multiple mobile robots play a significant role in various spatially distributed tasks.In unfamiliar and non-repetitive scenarios, reconstructing the global map is time-inefficient and sometimes unrealistic. Hence, research has focused on…

机器人学 · 计算机科学 2025-12-29 Weining Lu , Qingquan Lin , Litong Meng , Chenxi Li , Bin Liang

GNSS receivers are vulnerable to jamming and spoofing attacks, and numerous such incidents have been reported worldwide in the last decade. It is important to detect attacks fast and localize attackers, which can be hard if not impossible…

信号处理 · 电气工程与系统科学 2022-05-02 Glädje Karl Olsson , Erik Axell , Erik G. Larsson , Panos Papadimitratos

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) is a promising antenna…

信息论 · 计算机科学 2025-07-01 Xue Xiong , Beixiong Zheng , Wen Wu , Xiaodan Shao , Liang Dai , Ming-Min Zhao , Jie Tang

Millimeter wave signals and large antenna arrays are considered enabling technologies for future 5G networks. While their benefits for achieving high-data rate communications are well-known, their potential advantages for accurate…

Millimeter wave signals and large antenna arrays are considered enabling technologies for future 5G networks. Despite their benefits for achieving high data rate communications, their potential advantages for tracking of the location of the…

This paper addresses the consistency issue of multi-robot distributed cooperative localization. We introduce a consistent distributed cooperative localization algorithm conducting state estimation in a transformed coordinate. The core idea…

机器人学 · 计算机科学 2024-10-23 Chungeng Tian , Ning Hao , Fenghua He , Haodi Yao

This paper proposes an unmanned aerial vehicle (UAV)-based distributed sensing framework that uses orthogonal frequency-division multiplexing (OFDM) waveforms to detect the position of a ground target, and UAVs operate in half-duplex mode.…

信号处理 · 电气工程与系统科学 2023-09-12 Xavier Alejandro Flores Cabezas , Diana Pamela Moya Osorio , Markku Juntti

Cooperative spectrum sensing (CSS) is essential for improving the spectrum efficiency and reliability of cognitive radio applications. Next-generation wireless communication networks increasingly employ uniform planar arrays (UPA) due to…

信号处理 · 电气工程与系统科学 2025-04-15 Charith Dissanayake , Saman Atapattu , Prathapasinghe Dharmawansa , Jing Fu , Sumei Sun , Kandeepan Sithamparanathan

Rotatable intelligent reflecting surfaces (IRSs) introduce a new degree of freedom (DoF) for shaping wireless propagation by adaptively adjusting the orientation of IRSs. This paper considers an angle-dependent reflection model in a…

信号处理 · 电气工程与系统科学 2025-12-17 Qiaoyan Peng , Qingqing Wu , Guangji Chen , Wen Chen , Shanpu Shen , Shaodan Ma

This paper investigates the problem of activity detection and channel estimation in cooperative multi-cell massive access systems with temporally correlated activity, where all access points (APs) are connected to a central unit via…

信号处理 · 电气工程与系统科学 2023-04-20 Weifeng Zhu , Meixia Tao , Xiaojun Yuan , Fan Xu , Yunfeng Guan

Accurate device free localization (DFL) based on received signal strength (RSS) measurements requires placement of radio transceivers on all sides of the target area. Accuracy degrades dramatically if sensors do not surround the area.…

其他计算机科学 · 计算机科学 2013-03-07 Merrick McCracken , Maurizio Bocca , Neal Patwari

In multi-robot missions, relative position and attitude information between agents is valuable for a variety of tasks such as mapping, planning, and formation control. In this paper, the problem of estimating relative poses from a set of…

Most studies that consider the problem of estimating the location of a point source in wireless sensor networks assume that the source location is estimated by a set of spatially distributed sensors, whose locations are fixed. Motivated by…

信息论 · 计算机科学 2016-11-18 Mohammad Fanaei , Matthew C. Valenti , Natalia A. Schmid

In this paper, we investigate the problem of cooperative relay in CR networks for further enhanced network performance. In particular, we focus on the two representative cooperative relay strategies, and develop optimal spectrum sensing and…

信息论 · 计算机科学 2012-10-22 Donglin Hu , Shiwen Mao

Cooperative spectrum sensing has been shown to yield a significant performance improvement in cognitive radio networks. In this paper, we consider distributed cooperative sensing (DCS) in which secondary users (SUs) exchange data with one…

网络与互联网体系结构 · 计算机科学 2014-08-15 Tianyu Wang , Lingyang Song , Zhu Han , Walid Saad

The development of dual-functional radar-communication (DFRC) systems, where vehicle localization and tracking can be combined with vehicular communication, will lead to more efficient future vehicular networks. In this paper, we develop a…

信号处理 · 电气工程与系统科学 2020-05-19 Weijie Yuan , Fan Liu , Christos Masouros , Jinhong Yuan , Derrick Wing Kwan Ng , Nuria Gonzalez-Prelcic

Estimating the contact state between a grasped tool and the environment is essential for performing contact tasks such as assembly and object manipulation. Force signals are valuable for estimating the contact state, as they can be utilized…

机器人学 · 计算机科学 2025-09-25 Kyo Kutsuzawa , Mitsuhiro Hayashibe

We consider the following positioning problem where several base stations (BS) try to locate a user equipment (UE): The UE sends a positioning signal to several BS. Each BS performs Angle of Arrival (AoA) measurements on the received…

信息论 · 计算机科学 2023-08-17 Viet-Hoa Nguyen , Vincent Corlay , Nicolas Gresset , Cristina Ciochina

Location awareness is a key factor for a wealth of wireless indoor applications. Its provision requires the careful fusion of diverse information sources. For agents that use radio signals for localization, this information may either come…

信息论 · 计算机科学 2018-12-11 Erik Leitinger , Paul Meissner , Christoph Rüdisser , Gregor Dumphart , Klaus Witrisal
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