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The integration of Reconfigurable Intelligent Surfaces (RIS) in 6G wireless networks offers unprecedented control over communication environments. However, identifying optimal configurations within practical constraints remains a…

信号处理 · 电气工程与系统科学 2024-05-15 Kevin Weinberger , Simon Tewes , Aydin Sezgin

Fingerprinting-based positioning significantly improves the indoor localization performance in non-line-of-sight-dominated areas. However, its deployment and maintenance is cost-intensive as it needs ground-truth reference systems for both…

信号处理 · 电气工程与系统科学 2022-10-13 Maximilian Stahlke , George Yammine , Tobias Feigl , Bjoern M. Eskofier , Christopher Mutschler

Relative positioning between multiple mobile users is essential for many applications, such as search and rescue in disaster areas or human social interaction. Inertial-measurement unit (IMU) is promising to determine the change of position…

网络与互联网体系结构 · 计算机科学 2017-04-06 Ran Liu , Chau Yuen , Tri-Nhut Do , Dewei Jiao , Xiang Liu , U-Xuan Tan

Accurate localization is essential for a wide range of applications, including asset tracking, smart agriculture, and animal monitoring. While traditional localization methods, such as Global Navigation Satellite System (GNSS), Wi-Fi, and…

机器人学 · 计算机科学 2025-06-03 Victor Luder , Lukas Schulthess , Silvano Cortesi , Leyla Rivero Davis , Michele Magno

Ultra-wideband (UWB) localization delivers centimeter-scale accuracy but is vulnerable to jamming attacks, creating security risks for asset tracking and intrusion detection in smart buildings. Although machine learning (ML) and deep…

机器学习 · 计算机科学 2025-11-04 Hamed Fard , Mahsa Kholghi , Benedikt Groß , Gerhard Wunder

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…

机器人学 · 计算机科学 2023-05-16 Paola Torrico Morón , Sahar Salimpour , Lei Fu , Xianjia Yu , Jorge Peña Queralta , Tomi Westerlund

Ultra-wideband (UWB) technology has become very popular for indoor positioning and distance estimation (DE) systems due to its decimeter-level accuracy achieved when using time-of-flight-based techniques. Techniques for DE relying on signal…

信号处理 · 电气工程与系统科学 2022-12-13 Leo Botler , Konrad Diwold , Kay Römer

With the rising demand for indoor localization, high precision technique-based fingerprints became increasingly important nowadays. The newest advanced localization system makes effort to improve localization accuracy in the time or…

信号处理 · 电气工程与系统科学 2021-08-25 Kaixuan Huang , Chenlu Xiang , Shunqing Zhang , Shugong Xu , Xianfeng Ma , Qinglong Xian , Hua Yang

Radio-based methods such as Ultra-Wideband (UWB) and RAdio Detection And Ranging (radar), which have traditionally seen limited adoption in robotics, are experiencing a boost in popularity thanks to their robustness to harsh environmental…

机器人学 · 计算机科学 2026-03-10 Andrés Martínez-Silva , David Alejo , Luis Merino , Fernando Caballero

With the significantly improved sensitivity and a wider frequency band, the next-generation gravitational-wave (GW) detectors are anticipated to detect $\sim 10^5$ GW signals per year with durations from hours to days, leading to inevitable…

广义相对论与量子宇宙学 · 物理学 2026-01-26 Ziming Wang , Dicong Liang , Lijing Shao

In recent years, thanks to the continuously reduced cost and weight of 3D Lidar, the applications of this type of sensor in robotics community have become increasingly popular. Despite many progresses, estimation drift and tracking loss are…

机器人学 · 计算机科学 2020-10-27 Thien-Minh Nguyen , Muqing Cao , Shenghai Yuan , Yang Lyu , Thien Hoang Nguyen , Lihua Xie

Fingerprint-based passive localization enables high localization accuracy using low-cost UWB IoT radio sensors. However, fingerprinting demands extensive effort for data acquisition. The concept of channel charting reduces this effort by…

信号处理 · 电气工程与系统科学 2025-05-16 Raffael Poeggel , Maximilian Stahlke , Jonas Pirkl , Jonathan Ott , George Yammine , Tobias Feigl , Christopher Mutschler

Unmanned aerial vehicles (UAVs) are becoming largely ubiquitous with an increasing demand for aerial data. Accurate navigation and localization, required for precise data collection in many industrial applications, often relies on RTK GNSS.…

机器人学 · 计算机科学 2021-04-02 Yu Xianjia , Li Qingqing , Jorge Pena Queralta , Jukka Heikkonen , Tomi Westerlund

Ultra-wideband (UWB) ranging has emerged as a key radio technology for robot positioning and relative localization in multi-robot systems. Multiple works are now advancing towards more scalable systems, but challenges still remain. This…

机器人学 · 计算机科学 2022-03-09 Paola Torrico Morón , Jorge Peña Queralta , Tomi Westerlund

Precise and accurate localization in outdoor and indoor environments is a challenging problem that currently constitutes a significant limitation for several practical applications. Ultra-wideband (UWB) localization technology represents a…

This paper studies the use of directional antennas for received signal strength difference (RSSD) based localization using ultra-wideband and demonstrates the achievable accuracy with this localization method applied to UWB. As introduced…

信息论 · 计算机科学 2013-07-09 Waldemar Gerok , Jürgen Peissig , Thomas Kaiser

In an ultra wideband (UWB) impulse radio (IR) system, a number of pulses, each transmitted in an interval called a "frame", is employed to represent one information symbol. Conventionally, a single type of UWB pulse is used in all frames of…

信息论 · 计算机科学 2016-11-18 Sinan Gezici , Zafer Sahinoglu , Hisashi Kobayashi , H. Vincent Poor

Nowadays, accurate localization plays an essential role in many fields, like target tracking and path planning. The challenges of indoor localization include inadequate localization accuracy, unreasonable anchor deployment in complex…

系统与控制 · 电气工程与系统科学 2021-12-10 Fengyun Zhang , Li Yang , Yuhuan Liu , Yulong Ding , Shuang-Hua Yang , Hao Li

Visual-inertial odometry (VIO) is widely used for mobile robot localization, but its long-term accuracy degrades without global constraints. Incorporating ranging sensors such as ultra-wideband (UWB) can mitigate drift; however,…

机器人学 · 计算机科学 2026-04-17 Yu-An Liu , Li Zhang

This study describes a UWB and Machine Learning (ML)-based indoor positioning system. We propose a simple mathematical strategy to create data to reduce the job of measurements for fingerprint-based indoor localization systems. A…

信号处理 · 电气工程与系统科学 2022-04-11 Anqi Yin , Zihuai Lin