Filters








139 Hits in 9.6 sec

Design and Implementation of Real-Time Localization System (RTLS) based on UWB and TDoA Algorithm [article]

Fengyun Zhang, Li Yang, Yuhuan Liu, Yulong Ding, Shuang-Hua Yang, Hao Li
2021 arXiv   pre-print
To overcome these shortcomings, a comprehensive Ultra Wide-Band (UWB) based RTLS is presented in this paper.  ...  We define the time-base selection strategy for the TDoA algorithm, and analyze the relationship between anchor deployment and positioning accuracy.  ...  The challenges of indoor localization include inadequate localization accuracy, unreason- Ultra wide-band (UWB) able anchor deployment in complex scenarios, lack of stability  ... 
arXiv:2112.04839v1 fatcat:ct6r4ehtune4fmmgs2bywhhrde

A New Dataset of People Flow in an Industrial Site with UWB and Motion Capture Systems

Mickael Delamare, Fabrice Duval, Remi Boutteau
2020 Sensors  
Ultra-wide-band and motion capture solutions will be used to quickly identify people who may be in unauthorized areas or performing tasks which they have been uninstructed to do.  ...  In addition to this, a growing use of new devices requires precise information about their location in the environment such as mobile robots or drones.  ...  This hardware uses ultra-wide-band technology to track cyclists during indoor track cycling.  ... 
doi:10.3390/s20164511 pmid:32806669 pmcid:PMC7474431 fatcat:ntdrtithhjgn5jkilc7yhc35fe

WiFi FTM and UWB Characterization for Localization in Construction Sites

Carlos S. Álvarez-Merino, Emil J. Khatib, Hao Qiang Luo-Chen, Joel Llanes Michel, Sebastián Casalderrey-Díaz, Jesus Alonso, Raquel Barco
2022 Sensors  
In this work, we study the accuracy and penetration capacity of two technologies that are expected to deal with future high-precision location services, such as ultra-wide band (UWB) and WiFi fine time  ...  The performance of UWB and WiFi-FTM have been compared with a prior set of indoors measurements.  ...  Conflicts of Interest: The authors declare no conflicts of interest.  ... 
doi:10.3390/s22145373 pmid:35891054 pmcid:PMC9322114 fatcat:gwap5ehaefdx5i45t6k3y7snva

Design and Implementation of Real-Time Localization System (RTLS) Based on UWB and TDoA Algorithm

Fengyun Zhang, Li Yang, Yuhuan Liu, Yulong Ding, Shuang-Hua Yang, Hao Li
2022 Sensors  
To overcome these shortcomings, a comprehensive ultra wide-band (UWB)-based real-time localization system (RTLS) is presented in this paper.  ...  We define the time-base selection strategy for the TDoA algorithm, and we analyze the relationship between anchor deployment and positioning accuracy.  ...  We will continue our research based on the new standard, including TDoA, arrival of angle (AoA), and phase difference of arrival (PDoA).  ... 
doi:10.3390/s22124353 pmid:35746140 pmcid:PMC9229601 fatcat:ywzoo27qbvdjtg3ml555fsai2i

Information Theoretic Framework for the Optimization of UWB Localization Systems

Anthony Schenck, Edwin Walsh, Jonas Reijniers, Ted Ooijevaar, Risang Yudanto, Erik Hostens, Walter Daems, Jan Steckel
2018 2018 International Conference on Indoor Positioning and Indoor Navigation (IPIN)  
In this paper we will propose a method to evaluate the performance of a certain ultra-wide band fixed anchor configuration in complex indoor environments by making use of the mutual information as the  ...  Furthermore we will introduce an incremental algorithm that will determine an optimized anchor configuration for complex indoor environments.  ...  INTRODUCTION Ultra wide band (UWB) ranging has become a popular technology used for indoor localization [1] - [3] , due to its precision, low power consumption and its wide availability with products  ... 
doi:10.1109/ipin.2018.8533802 dblp:conf/ipin/SchenckWROYHDS18 fatcat:ijnumppiffa7hmtgxd2y2jhz2a

Analysis of GPS and UWB Positioning System for Athlete Tracking

Adnan Waqar, Iftekhar Ahmad, Daryoush Habibi, Quoc Viet Phung
2021 Measurement: Sensors  
Consequently, indoor positioning systems (IPS) have become popular in sports in recent years where the ultra-wideband (UWB) positioning sensor is now being used for tracking.  ...  Tracking technology that monitors the movement of an athlete is an important element of sport wearable devices.  ...  An alternate to the GPS is indoor positioning system (IPS) where ultra-wideband (UWB) is widely used. One area where accurate positioning is very crucial is in sports wearable technology.  ... 
doi:10.1016/j.measen.2020.100036 fatcat:3ccejedt3nadhl5blekw6xtwly

On-line Optimal Ranging Sensor Deployment for Robotic Exploration

Luca Santoro, Davide Brunelli, Daniele Fontanelli
2021 IEEE Sensors Journal  
Results demonstrate that maximum positioning uncertainty is always controlled under the user's threshold, using the Geometric Dilution of Precision (GDoP).  ...  Although the presented approach is general for any class of mobile system, we run simulations and experiments with indoor drones.  ...  To address this concern, we developed a genetic algorithm to compute the optimal placement of new anchors using the Geometric Dilution of Precision (GDoP).  ... 
doi:10.1109/jsen.2021.3120889 fatcat:jo5773ezf5fwxk7woek3glqo6u

Indoor navigation: state of the art and future trends

Naser El-Sheimy, You Li
2021 Satellite Navigation  
This paper reviews the state of the art and future trends of indoor Positioning, Localization, and Navigation (PLAN).  ...  Detection and Ranging (LiDAR), camera, the fifth generation of mobile network communication technology (5G), and Internet-of-Things (IoT) signals are becoming important aiding sensors for PLAN.  ...  Meanwhile, the research work (Langley 1999) proposes an index (i.e., the dilution of precision) for the evaluation of signal geometry.  ... 
doi:10.1186/s43020-021-00041-3 doaj:00650f9a753c4650ae3a8a3d62d8615b fatcat:5hvo4g4isfhmxjfxnss67fgw3u

A Novel Simultaneous Calibration and Localization Algorithm Framework for Indoor Scenarios

Shuangzhi Li, Zhongliang Deng, Yanxu Liu, Enwen Hu
2020 IEEE Access  
, and accuracy of positioning reaches 0.2557m and 0.2437m, respectively, in an actual indoor positioning scene.  ...  synchronously locating the target and calibrating beacons is proposed; in GO section, parallel to TLBC section, a global optimization method based on Geometric Dilution of Precision based on Error-propagation  ...  Wi-Fi [5] , Ultra-Wide Band (UWB) [6] , Bluetooth [7] , etc.), it is widely used in indoor.  ... 
doi:10.1109/access.2020.3027859 fatcat:i6kxu3tekbfpdflbgkjilr7oca

Recent Advances in Indoor Localization: A Survey on Theoretical Approaches and Applications

Ali Yassin, Youssef Nasser, Mariette Awad, Ahmed Al-Dubai, Ran Liu, Chau Yuen, Ronald Raulefs, Elias Aboutanios
2017 IEEE Communications Surveys and Tutorials  
In this paper, we survey different technologies and methodologies for indoor and outdoor localization with an emphasis on indoor methodologies and concepts.  ...  In outdoor scenarios, the mobile terminal position is obtained with high accuracy thanks to the Global Positioning System (GPS) or to the standalone cellular systems.  ...  and poor Geometric Dilution Of Precision (GDOP) conditions.  ... 
doi:10.1109/comst.2016.2632427 fatcat:zmfbflpv3jhvtpf62qshzivciq

Location-Enabled IoT (LE-IoT): A Survey of Positioning Techniques, Error Sources, and Mitigation [article]

You Li, Yuan Zhuang, Xin Hu, Zhouzheng Gao, Jia Hu, Long Chen, Zhe He, Ling Pei, Kejie Chen, Maosong Wang, Xiaoji Niu, Ruizhi Chen (+3 others)
2020 arXiv   pre-print
Thus, this survey provides comprehensive guidance for peers who are interested in enabling localization ability in the existing IoT systems, using IoT systems for localization, or integrating IoT signals  ...  Meanwhile, the newly-emerged Low-Power Wide-Area Network (LPWAN) technologies have advantages such as long-range, low power consumption, low cost, massive connections, and the capability for communication  ...  The sensors include WiFi, BLE, ZigBee, RFID, Ultra-Wide Band (UWB), Visible Light Positioning (VLP), ultrasound, and acoustic ones.  ... 
arXiv:2004.03738v1 fatcat:av3zutx4urfwbiem7lkdmeghh4

TOWARDS SEAMLESS INDOOR-OUTDOOR POSITIONING: THE IOPES PROJECT APPROACH

E. Angelats, J. A. Navarro, E. Parés
2020 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
This includes the concept itself, the hardware selected and well as the algorithms used to implement a portable, lightweight positioning device able to provide seamless indoor / outdoor positioning that  ...  The IOPES project targets at improving an existing, already operational emergency management system where the tracking of operative staff is integrated.  ...  This contribution is part of the results of IOPES project, co-funded by the European Commission, Directorate-General Humanitarian Aid and Civil Protection (ECHO), under the call UCPM-2019-PP-AG.  ... 
doi:10.5194/isprs-archives-xliii-b4-2020-313-2020 fatcat:32hfgddpgncidood3h2oamdvde

A Look at the Recent Wireless Positioning Techniques With a Focus on Algorithms for Moving Receivers

Ashraf Tahat, Georges Kaddoum, Siamak Yousefi, Shahrokh Valaee, Francois Gagnon
2016 IEEE Access  
This paper includes a review of various fundamental techniques, current trends, and state-of-the-art systems and algorithms employed in wireless position estimation using moving receivers.  ...  Employment of ground-based positioning systems has been consistently growing over the past decades due to the growing number of applications that require location information where the conventional satellite-based  ...  ULTRA-WIDE BAND (UWB) Another technology that has received considerable attention for accurate ranging is the Ultra-wide Band Sensors (UWB) technology.  ... 
doi:10.1109/access.2016.2606486 fatcat:5kutfzkvmrcjblysfqc7e5tpji

Visible Light Communications for Industrial Applications—Challenges and Potentials

Yousef Almadani, David Plets, Sander Bastiaens, Wout Joseph, Muhammad Ijaz, Zabih Ghassemlooy, Sujan Rajbhandari
2020 Electronics  
Given the previous work performed in these areas, and the major ongoing experimental projects looking into the use of VLC systems for industrial applications, the use of VLC and VLP systems for industrial  ...  As such, this paper aims to show the potential of VLC for industrial wireless applications by examining the latest research work in VLC systems.  ...  The dilution of position (DOP) metric, sometimes referred to as geometric dilution of precision (GDOP) metric, is usually employed as it quantifies the geometrical effects of the transmitters' distribution  ... 
doi:10.3390/electronics9122157 fatcat:b4oen4k5q5c3lpgbz7e2c57gjq

A Geometric Approach to Noisy EDM Resolution in FTM Measurements

Jerome Henry, Nicolas Montavont, Yann Busnel, Romaric Ludinard, Ivan Hrasko
2021 Computers  
The second step reconstructs the anchor positions, starting from the distances of highest likely-accuracy.  ...  In this paper, we show that such technique provides poor results in the case of indoor location problems based on 802.11 Fine Timing Measurements, because the number of anchors is small and the ranging  ...  high-resolution reference aerial pictures), then high precision ranging techniques (laser, Ultra Wide Band, etc.) are used to finally come to an evaluation of each sensor position and location.  ... 
doi:10.3390/computers10030033 fatcat:kpcsrnjgrbcyxdnm5bduhbn5he
« Previous Showing results 1 — 15 out of 139 results