Smartphone-based indoor localization within a 13th century historic building

T Fetzer, F Ebner, M Bullmann, F Deinzer… - Sensors, 2018 - mdpi.com
Within this work we present an updated version of our indoor localization system for
smartphones. The pedestrian's position is given by means of recursive state estimation …

On Wi-Fi model optimizations for smartphone-based indoor localization

F Ebner, T Fetzer, F Deinzer, M Grzegorzek - ISPRS International Journal …, 2017 - mdpi.com
Indoor localization and indoor pedestrian navigation is an active field of research with
increasing attention. As of today, many systems will run on commercial smartphones, but …

Smartphone positioning in sparse Wi-Fi environments

W Waqar, Y Chen, A Vardy - Computer Communications, 2016 - Elsevier
Indoor localization using mobile devices such as smartphones remains a challenging
problem as GPS (Global Positioning System) does not work inside buildings and the …

Probabilistic step and turn detection in indoor localization

L Köping, M Grzegorzek, F Deinzer - 2014 - IET
In this paper we present a method to estimate a position in buildings without using absolute
positioning data like WiFi signals. Unlike other state-of-the-art methods, we use probability …

Incorporating user motion information for indoor smartphone positioning in sparse Wi-Fi environments

W Waqar, Y Chen, A Vardy - Proceedings of the 17th ACM international …, 2014 - dl.acm.org
Indoor localization using mobile devices such as smartphones remains a challenging
problem as GPS (Global Positioning System) does not work inside buildings and the …

Pedestrian localisation inside buildings based on multi-sensor smartphones

CR Ehrlich, J Blankenbach - 2018 Ubiquitous Positioning …, 2018 - ieeexplore.ieee.org
Automatic real-time localisation of people inside of buildings (indoor) is a huge challenge.
For demanding applications of mobile services, different sensors such as WLAN, RFID, UWB …

Fundamental concepts and evolution of Wi-Fi user localization: An overview based on different case studies

G Retscher - Sensors, 2020 - mdpi.com
Indoor positioning poses a number of challenges, especially in large and complex buildings.
Several effects, such as signal attenuation, signal fluctuations, interference, and multipath …

Fingerprints and floor plans construction for indoor localisation based on crowdsourcing

R Santos, M Barandas, R Leonardo, H Gamboa - Sensors, 2019 - mdpi.com
The demand for easily deployable indoor localisation solutions has been growing. Although
several systems have been proposed, their limitations regarding the high implementation …

A multi-user personal indoor localization system employing graph-based optimization

MR Nowicki, P Skrzypczyński - Sensors, 2019 - mdpi.com
Personal indoor localization with smartphones is a well-researched area, with a number of
approaches solving the problem separately for individual users. Most commonly, a particle …

On prior navigation knowledge in multi sensor indoor localisation

F Ebner, T Fetzer, F Deinzer… - 2016 19th International …, 2016 - ieeexplore.ieee.org
Navigating to a desired destination is a key aspect of indoor localisation. Up to this point
many different systems using present or past information for estimating the pedestrian's …