Accuracy of iPhone locations: A comparison of assisted GPS, WiFi and cellular positioning

PA Zandbergen - Transactions in GIS, 2009 - Wiley Online Library
positioning algorithms have been developed for WiFi … , which suggests that the positioning
algorithms may rely on cell … using cell tower sectors as opposed to strictly cell ID positioning. …

A hybrid indoor-position mechanism based on bluetooth and WiFi communications for smart mobile devices

HK Su, ZX Lıao, CH Lin, TM Lin - … International Symposium on …, 2015 - ieeexplore.ieee.org
… experiment, we analyzed the positioning accuracy of three methods on the red … WiFi
positioning algorithm; the second method is only use the Wi-Fi and neighboring weighted position

AI based location tracking in WiFi indoor positioning application

HK Yu, SH Oh, JG Kim - 2020 International Conference on …, 2020 - ieeexplore.ieee.org
… matching algorithm and PSO algorithm in order for online positioning. First, the weighted
fuzzy matching algorithm reduces the tracking position error by re-tracking the exact position of …

Accuracy characterization for metropolitan-scale Wi-Fi localization

YC Cheng, Y Chawathe, A LaMarca… - Proceedings of the 3rd …, 2005 - dl.acm.org
Wi-Fi-based positioning system. We compare a suite of wireless-radio-based positioning
algorithms to … of the positioning algorithms. Our experiments show that we can estimate a user’s …

PSOSVRPos: WiFi indoor positioning using SVR optimized by PSO

J Bi, M Zhao, G Yao, H Cao, Y Feng, H Jiang… - Expert Systems with …, 2023 - Elsevier
… To improve the accuracy, we propose a WiFi indoor positioning algorithm based on
support vector regression (SVR) optimized by particle swarm optimization (PSO), termed …

Wi-Fi positioning based on Fourier descriptors

ECL Chan, G Baciu, SC Mak - 2010 International Conference …, 2010 - ieeexplore.ieee.org
… Location Fingerprinting (LF) is a common Wi-Fi positioning method, … We first transform the
IEEE 802.11b Wi-Fi signal into a … K-NN algorithm to two sets of Wi-Fi signal, r and fi as follows: …

[PDF][PDF] A Wi-Fi assisted GPS positioning concept

M Weyn, F Schrooyen - ECUMICT, Gent, Belgium, 2008 - researchgate.net
positioning algorithms will be explained as possible solutions to be implemented later in this
paper. A popular algorithm for indoor positioning - and also the algorithm … the position of a …

A novel system for WiFi radio map automatic adaptation and indoor positioning

Y Tao, L Zhao - IEEE Transactions on Vehicular Technology, 2018 - ieeexplore.ieee.org
… to get can be used to build indoor positioning system [4], [6], [12], [13]. Fingerprint-based
positioning algorithm is the most widely studied algorithm in WiFi-based IPS due to the fast and …

Research on a Wi-Fi RSSI calibration algorithm based on WOA-BPNN for indoor positioning

M Yu, S Yao, X Wu, L Chen - Applied Sciences, 2022 - mdpi.com
positioning accuracy of location fingerprint indoor positioning algorithms based on the Wi-Fi
RSSI, we propose a region-adaptive weighted KNN (WKNN) positioning algorithm based on …

Implementation of Wi-Fi signal sampling on an android smartphone for indoor positioning systems

HH Liu, C Liu - Sensors, 2017 - mdpi.com
… However, this study used the step detection system to aid Wi-Fi signal collection and
established a database of radio fingerprints rather than applied the system to positioning algorithms