A multi-floor location method based on multi-sensor and WiFi fingerprint fusion

Z Hao, J Dang, W Cai, Y Duan - IEEE Access, 2020 - ieeexplore.ieee.org
Aiming at the problems of high time overhead, low positioning accuracy, and inability to
meet the requirements of indoor positioning applications in WiFi and Pedestrian Dead …

Signal fuse learning method with dual bands WiFi signal measurements in indoor positioning

CM Own, J Hou, W Tao - IEEE Access, 2019 - ieeexplore.ieee.org
Today, indoor localization technology based on WiFi signals has become more and more
popular and applicable. It not only facilitates people's lives but also creates enormous …

Smartphones: 3D indoor localization using Wi-Fi RTT

H Cao, Y Wang, J Bi - IEEE Communications Letters, 2020 - ieeexplore.ieee.org
This letter proposes a 3D indoor localization algorithm for smartphones using wireless
fidelity (WiFi) round-trip time (RTT). In the proposed algorithm, the weighted centroid (WC) …

Enhancing indoor altitude estimation on smartphones: Resolving ventilation fan effects

K Tsubouchi, Y Hirayama, T Ikuta… - 2023 13th International …, 2023 - ieeexplore.ieee.org
The demand for indoor altitude estimation using smartphone barometers is increasing. It is
known that disturbances such as changes in temperature and ventilation systems affect …

A constrained Kalman filter for Wi-Fi-based indoor localization with flexible space organization

V Sircoulomb, H Chafouk - Sensors, 2022 - mdpi.com
This paper presents a constrained Kalman filter for Wi-Fi-based indoor localization. The
contribution of this work is to introduce constraints on the object speed and to provide a …

Step-length estimation during movement on stairs

K Itzik, L Yaakov - 2019 27th Mediterranean Conference on …, 2019 - ieeexplore.ieee.org
Indoor positioning is required for a variety of applications such as mapping, entertainment,
security and healthcare. One of the approaches for indoor navigation is pedestrian dead …

A Kalman filter with speed constraints for WiFi-based indoor localization

V Sircoulomb, H Chafouk - 2022 2nd International Conference …, 2022 - ieeexplore.ieee.org
This paper presents a constrained Kalman filter for WiFi-based indoor localization. The
contribution of this work is to introduce constraints on the object speed and to provide a …