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Localization of networked nodes is an essential problem in emerging applications, including first-responder navigation, automated manufacturing lines, vehicular and drone navigation, asset navigation and tracking, Internet of Things and 5G…

Networking and Internet Architecture · Computer Science 2023-10-04 Nakul Garg , Irtaza Shahid , Ramanujan K Sheshadri , Karthikeyan Sundaresan , Nirupam Roy

The high time resolution of ultra-wideband (UWB) signals facilitates very precise position estimation in many scenarios, which makes a variety applications possible. This paper reviews the problem of position estimation in UWB systems,…

Information Theory · Computer Science 2008-07-18 S. Gezici , H. V. Poor

Systems for relative localization in multi-robot systems based on ultra-wideband (UWB) ranging have recently emerged as robust solutions for GNSS-denied environments. Scalability remains one of the key challenges, particularly in ad-hoc…

Robotics · Computer Science 2022-08-30 Paola Torrico Morón , Salma Salimi , Jorge Peña Queralta , Tomi Westerlund

The magnetic near-field provides a suitable means for indoor localization, due to its insensitivity to the environment and strong spatial gradients. We consider indoor localization setups consisting of flat coils, allowing for convenient…

Applications · Statistics 2022-06-08 Gregor Dumphart , Eric Slottke , Armin Wittneben

This paper presents the development of a system able to estimate the 2D relative position of nodes in a wireless network, based on distance measurements between the nodes. The system uses ultra wide band ranging technology and the Bluetooth…

Robotics · Computer Science 2022-12-14 Valerio Brunacci , Alessio De Angelis , Gabriele Costante

Ultra-Wideband (UWB) technology is an emerging low-cost solution for localization in a generic environment. However, UWB signal can be affected by signal reflections and non-line-of-sight (NLoS) conditions between anchors; hence, in a…

Robotics · Computer Science 2024-04-09 Umberto Albertin , Alessandro Navone , Mauro Martini , Marcello Chiaberge

Localization performance in wireless networks has been traditionally benchmarked using the Cramer-Rao lower bound (CRLB), given a fixed geometry of anchor nodes and a target. However, by endowing the target and anchor locations with…

Networking and Internet Architecture · Computer Science 2017-10-24 Christopher E. O'Lone , Harpreet S. Dhillon , R. M. Buehrer

Extensive use of unmanned aerial vehicles (UAVs) is expected to raise privacy and security concerns among individuals and communities. In this context, the detection and localization of UAVs will be critical for maintaining safe and secure…

Signal Processing · Electrical Eng. & Systems 2021-09-06 Udita Bhattacherjee , Ender Ozturk , Ozgur Ozdemir , Ismail Guvenc , Mihail L. Sichitiu , Huaiyu Dai

In this paper, we investigate using Ultra-Wideband (UWB) technology in vehicles for localization as well as other possible infrastructure-free applications. To that end, we first introduce the on-vehicle UWB anchor layout, then conduct a…

Networking and Internet Architecture · Computer Science 2019-03-06 Rusheng Zhang , Lin Song , Adhishree Jaiprakash , Timothy Talty , Ammar Alanazi , Abdullah Alghafis , A. Ahmed Biyabani , Ozan Tonguz

Ultra-wideband (UWB) localization methods have emerged as a cost-effective and accurate solution for GNSS-denied environments. There is a significant amount of previous research in terms of resilience of UWB ranging, with non-line-of-sight…

Robotics · Computer Science 2023-10-10 Sahar Salimpour , Paola Torrico Morón , Xianjia Yu , Tomi Westerlund , Jorge Peña Queralta

Short Range wireless devices are becoming more and more popular for ubiquitous sensor and actuator connectivity in industrial communication scenarios. Apart from communication-only scenarios, there are also mission-critical use cases where…

Signal Processing · Electrical Eng. & Systems 2018-11-30 Raja Sattiraju , Jacob Kochems , Hans D. Schotten

Accurate indoor node localization is critical for practical Wireless Sensor Network (WSN) applications, as Global Positioning System (GPS) fails to provide reliable Line-of-Sight (LoS) conditions in most indoor environments. Real-world…

Networking and Internet Architecture · Computer Science 2025-05-26 Ze Zhang , Qian Dong

This paper revisits the problem of locating a signal-emitting source from time-difference-of-arrival (TDOA) measurements under non-line-of-sight (NLOS) propagation. Many currently fashionable methods for NLOS mitigation in TDOA-based…

Signal Processing · Electrical Eng. & Systems 2020-09-15 Wenxin Xiong , Christian Schindelhauer , Hing Cheung So , Joan Bordoy , Andrea Gabbrielli , Junli Liang

Wireless Sensor Network (WSN) localization refers to the problem of determining the position of each of the agents in a WSN using noisy measurement information. In many cases, such as in distance and bearing-based localization, the…

Systems and Control · Electrical Eng. & Systems 2024-11-06 Shiraz Khan , Inseok Hwang , James Goppert

Accurate indoor localization has long been a challenging problem due to the presence of multipath. Joint direction-of-arrival (DOA) and time delay (TD) estimation is a promising technique for accurate indoor Localization in next generation…

Information Theory · Computer Science 2021-11-16 Fei Wen , Peilin Liu , Haichao Wei , Yi Zhang

We address the indoor localization problem, where the goal is to predict user's trajectory from the data collected by their smartphone, using inertial sensors such as accelerometer, gyroscope and magnetometer, as well as other environment…

Machine Learning · Computer Science 2020-11-24 Leonid Antsfeld , Boris Chidlovskii , Emilio Sansano-Sansano

A key limitation of current multi-robot systems is a lack of relative localization, particularly in environments without GPS or motion capture systems. This article presents a centralized method for relatively localizing a 2D swarm using…

Robotics · Computer Science 2018-11-29 Ian Miller , Jon Wallace

5G New Radio Time of Arrival (ToA) data has the potential to revolutionize indoor localization for micro aerial vehicles (MAVs). However, its performance under varying network setups, especially when combined with IMU data for real-time…

Robotics · Computer Science 2024-05-03 Meisam Kabiri , Claudio Cimarelli , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Ultra-wideband (UWB) positioning has emerged as a low-cost and dependable localization solution for multiple use cases, from mobile robots to asset tracking within the Industrial IoT. The technology is mature and the scientific literature…

In emergency search and rescue scenarios, the quick location of trapped people is essential. However, disasters can render the Global Positioning System (GPS) unusable. Unmanned aerial vehicles (UAVs) with localization devices can serve as…

Multiagent Systems · Computer Science 2024-01-17 Zhihao Zhu , Jiafan He , Luyang Hou , Lianming Xu , Wendi Zhu , Li Wang