Indoor Positioning System with UWB Based on a Digital Twin [PDF]
Sensors, 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
Experimental Demonstration of an Indoor VLC Positioning System Based on OFDMA [PDF]
IEEE Photonics Journal, 2017 We propose an indoor visible light communication (VLC) and positioning system using the orthogonal frequency division multiplexing access (OFDMA) scheme, which can provide both indoor positioning and communications.
Bangjiang Lin +4 more
doaj +5 more sources
A Hybrid Indoor Positioning System Based on Visible Light Communication and Bluetooth RSS Trilateration [PDF]
Sensors, 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]
Digital HealthObjectives 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
Doppler Differential Positioning Technology Using the BDS/GPS Indoor Array Pseudolite System
Sensors, 2019 A Global Satellite Navigation System (GNSS) cannot provide normal location services in an indoor environment because the signals are blocked by buildings.
Xingli Gan +7 more
doaj +3 more sources
An Indoor AC Magnetic Positioning System [PDF]
IEEE Transactions on Instrumentation and Measurement, 2015 <div><div><div><p>This paper describes the design and realization of a Magnetic Indoor Positioning System. The system is entirely realized using off-the-shelf components and is based on inductive coupling between resonating coils.
Guido De Angelis +2 more
exaly +3 more sources
Unsupervised Indoor Positioning System Based on Environmental Signatures [PDF]
Entropy, 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
Integrated WiFi/PDR/Smartphone Using an Unscented Kalman Filter Algorithm for 3D Indoor Localization [PDF]
Sensors, 2015 Because of the high calculation cost and poor performance of a traditional planar map when dealing with complicated indoor geographic information, a WiFi fingerprint indoor positioning system cannot be widely employed on a smartphone platform.
Guoliang Chen +5 more
doaj +4 more sources
Received Signal Strength Database Interpolation by Kriging for a Wi-Fi Indoor Positioning System
Sensors, 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
A New Indoor Positioning System Architecture Using GPS Signals
Sensors, 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