Results 1 to 10 of about 12,915 (253)

Indoor Positioning System with UWB Based on a Digital Twin [PDF]

open access: yesSensors, 2022
Ultra-wideband (UWB) technology is used for indoor positioning, but its positioning accuracy is usually degenerated by various obstacles in the indoor environment because of non-line-of-sight (NLOS).
Ping Lou   +4 more
doaj   +4 more sources

A Hybrid Indoor Positioning System Based on Visible Light Communication and Bluetooth RSS Trilateration [PDF]

open access: yesSensors, 2023
Indoor positioning has become an attractive research topic because of the drawbacks of the global navigation satellite system (GNSS), which cannot detect accurate locations within indoor areas.
Lamya Albraheem, Sarah Alawad
doaj   +2 more sources

Determining design criteria for indoor positioning system projects in hospitals: A design science approach [PDF]

open access: yesDigital Health
Objectives Indoor navigation systems (indoor positioning systems) can improve orientation for patients in hospitals and help employees to track assets. Many hospitals would like to implement indoor positioning systems but do not know how. To support them
Johannes Wichmann   +4 more
doaj   +2 more sources

Unsupervised Indoor Positioning System Based on Environmental Signatures [PDF]

open access: yesEntropy, 2019
Mobile sensors are widely used in indoor positioning in recent years, but most methods require cumbersome calibration for precise positioning results, thus the paper proposes a new unsupervised indoor positioning (UIP) without cumbersome calibration. UIP
Pan Feng   +4 more
doaj   +2 more sources

A New Indoor Positioning System Architecture Using GPS Signals

open access: yesSensors, 2015
The pseudolite system is a good alternative for indoor positioning systems due to its large coverage area and accurate positioning solution. However, for common Global Positioning System (GPS) receivers, the pseudolite system requires some modifications ...
Rui Xu, Wu Chen, Ying Xu, Shengyue Ji
doaj   +3 more sources

Received Signal Strength Database Interpolation by Kriging for a Wi-Fi Indoor Positioning System

open access: yesSensors, 2015
The main approach for a Wi-Fi indoor positioning system is based on the received signal strength (RSS) measurements, and the fingerprinting method is utilized to determine the user position by matching the RSS values with the pre-surveyed RSS database ...
Shau-Shiun Jan, Shuo-Ju Yeh, Ya-Wen Liu
doaj   +3 more sources

An Indoor Positioning System Based on Static Objects in Large Indoor Scenes by Using Smartphone Cameras

open access: yesSensors, 2018
The demand for location-based services (LBS) in large indoor spaces, such as airports, shopping malls, museums and libraries, has been increasing in recent years.
Aoran Xiao   +4 more
doaj   +3 more sources

A Low-Cost Visible Light Positioning System for Indoor Positioning

open access: yesSensors, 2020
Currently, a high percentage of the world’s population lives in urban areas, and this proportion will increase in the coming decades. In this context, indoor positioning systems (IPSs) have been a topic of great interest for researchers.
Juan Carlos Torres   +7 more
doaj   +3 more sources

Research Status and Trends of Indoor Positioning and Navigation Technology in China [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2023
As an essential component of future comprehensive Positioning, Navigation, and Timing (PNT) system, indoor positioning technology has extensive application demands, making it a focal point of attention in both academia and industry.
Baoguo YU, Lu HUANG, Yachuan BAO, Haonan JIA, Shuang LI, Chong CHEN
doaj   +1 more source

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