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The upcoming industrial revolution requires deployment of critical wireless sensor networks for automation and monitoring purposes. However, the reliability of the wireless communication is rendered unpredictable by mobile elements in the…

信息论 · 计算机科学 2019-12-05 Serkut Ayvaşık , H. Murat Gürsu , Wolfgang Kellerer

Given a network of $N$ static nodes in $D$-dimensional space and the pairwise distances between them, the challenge of estimating the coordinates of the nodes is a well-studied problem. However, for numerous application domains, the nodes…

信号处理 · 电气工程与系统科学 2022-03-08 Anurodh Mishra , Raj Thilak Rajan

Localization is a fundamental challenge for any wireless network of nodes, in particular when the nodes are mobile. We present an extension of the classical Multidimensional scaling (MDS) for an anchorless network of mobile nodes, wherein…

应用统计 · 统计学 2015-04-15 Raj Thilak Rajan , Geert Leus , Alle-Jan van der Veen

A multiple classifiers fusion localization technique using received signal strengths (RSSs) of visible light is proposed, in which the proposed system transmits different intensity modulated sinusoidal signals by LEDs and the signals…

机器学习 · 统计学 2017-12-21 Xiansheng Guo , Sihua Shao , Nirwan Ansari , Abdallah Khreishah

Light-fidelity (LiFi) is a networked optical wireless communication (OWC) solution for high-speed indoor connectivity for fixed and mobile optical communications. Unlike conventional radio frequency wireless systems, the OWC channel is not…

信息论 · 计算机科学 2018-10-01 Mohammad Dehghani Soltani , Ardimas Andi Purwita , Zhihong Zeng , Harald Haas , Majid Safari

In this paper, a comprehensive survey of the pioneer as well as the state of-the-art localization and tracking methods in the wireless sensor networks is presented. Localization is mostly applicable for the static sensor nodes, whereas,…

网络与互联网体系结构 · 计算机科学 2017-01-10 Sudhir Kumar , Rajesh M. Hegde

Recently, round-trip time (RTT) measured by a fine-timing measurement protocol has received great attention in the area of WiFi positioning. It provides an acceptable ranging accuracy in favorable environments when a line-of-sight (LOS)…

网络与互联网体系结构 · 计算机科学 2021-04-02 Kyuwon Han , Seung Min Yu , Seong-Lyun Kim , Seung-Woo Ko

We address object tracking by radar and the robustness of the current state-of-the-art methods to process outliers. The standard tracking algorithms extract detections from radar image space to use it in the filtering stage. Filtering is…

信号处理 · 电气工程与系统科学 2022-09-30 Alp Sarı , Tak Kaneko , Lense H. M. Swaenen , Wouter M. Kouw

This paper experimentally and theoretically investigates the fundamental bounds on radio localization precision of far-field Received Signal Strength (RSS) measurements. RSS measurements are proportional to power-flow measurements…

信息论 · 计算机科学 2016-02-24 B. J. Dil , F. Gustafsson , B. J. Hoenders

Indoor location-based services rely on the availability of sufficiently accurate positioning in indoor spaces. A popular approach to positioning relies on so-called radio maps that contain pairs of a vector of Wi-Fi signal strength…

数据库 · 计算机科学 2023-03-01 Xiao Li , Huan Li , Harry Kai-Ho Chan , Hua Lu , Christian S. Jensen

This paper explores using RSS measurements on many links in a wireless network to estimate the breathing rate of a person, and the location where the breathing is occurring, in a home, while the person is sitting, laying down, standing, or…

人机交互 · 计算机科学 2023-07-19 Neal Patwari , Lara Brewer , Quinn Tate , Ossi Kaltiokallio , Maurizio Bocca

In this paper localization using UWB positioning system and an inertial unit containing a single accelerometer is considered. The main part of the paper describes a novel algorithm for person localization. The algorithm is based on modified…

信号处理 · 电气工程与系统科学 2024-04-01 Marcin Kolakowski

Vision based localization is a popular approach to carry out manoeuvres particularly in GPS-restricted indoor environments, because vision can complement other activities performed by the robot. The objective is to estimate the current…

系统与控制 · 电气工程与系统科学 2019-12-09 Prashant V. Patil , Pranav Thakkar , Leena Vachhani

This article focuses on estimating relative transfer functions (RTFs) for beamforming applications. Traditional methods often assume that spectra are uncorrelated, an assumption that is often violated in practical scenarios due to factors…

音频与语音处理 · 电气工程与系统科学 2025-02-18 Giovanni Bologni , Richard C. Hendriks , Richard Heusdens

This paper considers the problem of distributed estimation in a sensor network, where multiple sensors are deployed to infer the state of a linear time-invariant (LTI) Gaussian system. By proposing a lossless decomposition of Kalman filter,…

系统与控制 · 电气工程与系统科学 2022-04-19 Jiaqi Yan , Yilin Mo , Hideaki Ishii

Embodying the principle of simulation intelligence, digital twin (DT) systems construct and maintain a high-fidelity virtual model of a physical system. This paper focuses on ray tracing (RT), which is widely seen as an enabling technology…

信号处理 · 电气工程与系统科学 2024-05-16 Clement Ruah , Osvaldo Simeone , Jakob Hoydis , Bashir Al-Hashimi

Targeting integrated sensing and communication (ISAC) in future 6G radio access networks (RANs), this paper presents a novel device-free localization (DFL) framework based on distributed antenna networks (DANs). In the proposed approach,…

信号处理 · 电气工程与系统科学 2025-09-03 Minseok Kim , Gesi Teng , Keita Nishi , Togo Ikegami , Masamune Sato

Reliable vehicle navigation in urban environments remains a challenging problem due to frequent satellite signal blockages caused by tall buildings and complex infrastructure. While fusing inertial reading with satellite positioning in an…

机器人学 · 计算机科学 2026-02-26 Mor Levenhar , Itzik Klein

Recently, location-based services (LBS) have steered attention to indoor positioning systems (IPS). WLAN-based IPSs relying on received signal strength (RSS) measurements such as fingerprinting are gaining popularity due to proven high…

网络与互联网体系结构 · 计算机科学 2019-07-02 Erick Schmidt , David Akopian

Most of the developed localization solutions rely on RSSI fingerprinting. However, in the LoRa networks, due to the spreading factor (SF) in the network setting, traditional fingerprinting may lack representativeness of the radio map,…

信号处理 · 电气工程与系统科学 2023-05-12 Yaya Etiabi , Mohammed JOUHARI , Andreas Burg , El Mehdi Amhoud