1,434 Hits in 6.3 sec


L. Ruan, L. Zhang, F. Cheng, Y. Long
2018 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Nowadays, the deployment of Bluetooth nodes in industry generally relies on the experience knowledge of engineers and the cost of positioning beacon does not considered the global level.  ...  At last, the Bluetooth indoor positioning prototype system is developed to compare the experience method deployment scheme and the global optimization deployment scheme in the real indoor positioning environment  ...  Among them, Bluetooth positioning technology has the advantages of high security, low cost, low power consumption, small size, easy deployment and implementation, and generally supports mainstream mobile  ... 
doi:10.5194/isprs-archives-xlii-4-529-2018 fatcat:jkeuh4jisff5zltrshjpvbsjou


C. Li, G. Li, Y. Deng, T. Wang, Z. Kang
2017 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Therefore, this paper proposes a method of knowledge-based optimization of indoor location based on low energy Bluetooth.  ...  Currently, the accuracy of indoor location, the complexity of the algorithm, and the cost of positioning are hard to be simultaneously considered and it is still restricting the determination and application  ...  The method of 3D location algorithm based on Taylor series is essentially a combination of Taylor series and least square.  ... 
doi:10.5194/isprs-archives-xlii-2-w7-373-2017 fatcat:mfzrdh2bbfe6zpojyijskdrapi

A Hybrid Method to Improve the BLE-Based Indoor Positioning in a Dense Bluetooth Environment

Ke Huang, Ke He, Xuecheng Du
2019 Sensors  
Indoor positioning using Bluetooth Low Energy (BLE) beacons has attracted considerable attention after the release of the BLE protocol.  ...  The positioning root-mean-square error (RMSE) calculation results have showed that the hybrid method can achieve a real-time positioning and reduce error of indoor positioning.  ...  A combined Wi-Fi and BLE positioning system were presented to improve the accuracy and precision of indoor positioning with low deployment density [10] .  ... 
doi:10.3390/s19020424 fatcat:26q6tgaukjcabbchremvel5fne


G. G. Haagmans, S. Verhagen, R. L. Voûte, E. Verbree
2017 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Since GPS tends to fail for indoor positioning purposes, alternative methods like indoor positioning systems (IPS) based on Bluetooth low energy (BLE) are developing rapidly.  ...  As validation, the modeled precision has been compared with observed precision results.  ...  The shape of the theoretical 3D space is assumed to be a cube, since most indoor environments can be described by squared spaces.  ... 
doi:10.5194/isprs-annals-iv-2-w4-319-2017 fatcat:kltw6e3tzrejvjlujlj7pavmvy

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).  ...  It covers the requirements, the main players, sensors, and techniques for indoor PLAN.  ...  (Bluetooth 5.1) (Bluetooth 2019) have been released for precision positioning. 5G/LPWAN 5G has attracted intensive attention due to its high speed, high reliability, and low latency in communication  ... 
doi:10.1186/s43020-021-00041-3 doaj:00650f9a753c4650ae3a8a3d62d8615b fatcat:5hvo4g4isfhmxjfxnss67fgw3u

Indoor Positioning Capabilities of Cognitive Entities

L. Kajdocsi
2016 Acta Technica Jaurinensis  
Therefore, the researches on indoor navigation systems require novel low-cost approaches that involve new generation devices, thus create future networks.  ...  Indoor Positioning is one of the most significant challenges of the 21 st century.  ...  To estimate the unknown position the most commonly used method is the least square estimation (LSE).  ... 
doi:10.14513/actatechjaur.v9.n2.401 fatcat:jq66nlydejdmppevokwh2twleu

Intelligent Luminaire based Real-time Indoor Positioning for Assisted Living

Iuliana Marin, Maria Bocicor, Arthur-Jozsef Molnar
2020 Proceedings of the 15th International Conference on Evaluation of Novel Approaches to Software Engineering  
They replace the existing lighting infrastructure, do not look out of place and are cost effective.  ...  Hardware consists of custom developed luminaires with sensing, communication and processing capabilities.  ...  Indoor localisation was obtained via trilateration in conjunction with nonlinear least squares optimisation.  ... 
doi:10.5220/0009578705480555 dblp:conf/enase/MarinBM20 fatcat:dkj2usxj4ngohis36ewavfdrq4

A survey of active and passive indoor localisation systems

Gabriel Deak, Kevin Curran, Joan Condell
2012 Computer Communications  
The assessment of the localisation systems is based on the wireless technology used, positioning algorithm, accuracy and precision, complexity, scalability and costs.  ...  In recent years the need for indoor localisation has increased. Earlier systems have been deployed in order to demonstrate that indoor localisation can be done.  ...  ) [25] Active RFID Ad-Hoc Depends on Medium Cluster at Low RSSI Lateration the cluster size least 2 tags / 2D Ubisense (2005) [28, 29] UWB Least Square approx. 15cm / Moderate Good Medium  ... 
doi:10.1016/j.comcom.2012.06.004 fatcat:phfpaw62rnagfomjrv66wot7x4

Low Cost Intelligent Pervasive Location Tracking (iPLOT) in All Environments for the Management of Crime

Rainer Mautz, Washington Ochieng, David Walsh, Gary Brodin, Andy Kemp, John Cooper, Thanh Son Le
2006 Journal of navigation  
This paper details the current status of the development of an ' automatic ' low-cost system based on wireless communications technology to provide continuous tracking of the location of devices in all  ...  used to explore a network positioning strategy.  ...  ACKNOWLEDGEMENT This project is funded by EPSRC and is being carried out in collaboration with the Home Office Scientific Development Branch (HOSDB), the Forensic Science Services (FSS) and New Forest  ... 
doi:10.1017/s0373463306003705 fatcat:fxednvlmizht3kwqwg4yj5hqvu

Constrained Localization: A Survey

Trifun Savic, Xavier Vilajosana, Thomas Watteyne
2022 IEEE Access  
We introduce a specific use case as a guiding application throughout this article: localizing low-cost low-power miniature wireless swarm robots.  ...  This work aims at helping researchers select the appropriate technology and technique suitable for developing low-cost, low-power localization system, capable of providing centimeter level accuracy.  ...  The authors use Non-Linear Least Squares to compute the 3D location.  ... 
doi:10.1109/access.2022.3171859 fatcat:b2jwl5xqyvczllswayqpjjv5ey

Impact of Number of LEDs on An Optical Camera Communication Based Indoor Positioning System

Khadijeh Ali Mahmoodi, Asghar Gholami, Zabih Ghassemlooy
2020 2020 3rd West Asian Symposium on Optical and Millimeter-wave Wireless Communication (WASOWC)  
We consider an indoor environment with a number of light emitting diodes (LEDs) lighting access points for positioning and estimate the location using the view angles between LEDs' images mapped onto the  ...  We show that increasing the number of LEDs has a significant effect on the performance of the OCC-based indoor positioning systems (IPSs).  ...  cost Low accuracy, high implementation cost 1-5 m Bluetooth Low cost and low power consumption Low accuracy 1-5 m Cellular networks Widely covered scope Low accuracy 2.5-20 m Ultrasound  ... 
doi:10.1109/wasowc49739.2020.9410069 fatcat:mcykbjvfcnav3gqskjvkrzlxja

Indoor Positioning: Opportunities and implementation strategies of Bluetooth Low Energy

Christian Feil
2016 GI_FORUM - Journal for Geographic Information Science  
With Bluetooth Low Energy (BLE or Bluetooth Smart), a new technology has entered the market, and using it for Indoor Positioning is currently at the forefront of developments.  ...  This paper sums up general BLE positioning methods and the challenges they face with RSSI.  ...  Bluetooth Low Energy BLE was integrated into Classic Bluetooth technology, as described in standard IEEE 802.15.1, firstly with version 4.0 in 2010.  ... 
doi:10.1553/giscience2016_01_s94 fatcat:aukbs4l4szbo5amb34nhh74lla

A Review of Indoor Localization Techniques and Wireless Technologies

Huthaifa Obeidat, Wafa Shuaieb, Omar Obeidat, Raed Abd-Alhameed
2021 Wireless personal communications  
The paper starts with current localization systems and summarizes comparisons between these systems in terms of accuracy, cost, advantages, and disadvantages.  ...  AbstractThis paper introduces a review article on indoor localization techniques and technologies.  ...  In this case, least-square methods are applied. These methods are categorized into Non-linear least square (NLS) and linear least square (LLS) [133] .  ... 
doi:10.1007/s11277-021-08209-5 fatcat:voiacr6hkndxxnjy4wgtxq63tm

Indoor positioning – an ad‐hoc positioning system

Rainer Mautz
2008 Geodesy and Cartography  
The aim of this paper is to discuss the development of an automatic, low-cost system that exploits current or near future wireless communications technology to enable continuous tracking of the location  ...  This paper focuses on the user requirements, system architecture and network positioning. The user requirements are presented with a focus on applications in geodesy.  ...  The aim of this paper is to discuss the current status of the development of an automatic, low-cost system that exploits current or near future wireless communications based on Bluetooth to enable continuous  ... 
doi:10.3846/1392-1541.2008.34.66-70 fatcat:5xm7cl34qncupdc36fzw2maaia

A Novel Indoor Positioning System for unprepared firefighting scenarios [article]

Vamsi Karthik Vadlamani, Manish Bhattarai, Meenu Ajith, Manel Martınez-Ramon
2020 arXiv   pre-print
There are few other techniques like dead reckoning, Wifi and bluetooth based triangulation, Structure from Motion (SFM) based scene reconstruction for Indoor positioning system.  ...  For Indoor Positioning systems (IPS), GPS is not the best possible solution.  ...  Bluetooth based beacons are also proven to be very efficient in Indoor positioning systems.  ... 
arXiv:2008.01344v1 fatcat:iqvcvejxtngizm6han4dzz6wta
« Previous Showing results 1 — 15 out of 1,434 results