Indoor smartphone localization: A hybrid WiFi RTT-RSS ranging approach

G Guo, R Chen, F Ye, X Peng, Z Liu, Y Pan - Ieee Access, 2019 - ieeexplore.ieee.org
Real-time locating and tracking Technology plays a significant role in location-based IoT
applications. With the extensive installation of WiFi access points, the WiFi based indoor …

Kalman filter-based data fusion of Wi-Fi RTT and PDR for indoor localization

X Liu, B Zhou, P Huang, W Xue, Q Li… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
The Fine Time Measurement (FTM) protocol introduced by IEEE 802.11 includes a new
ranging method, named Wi-Fi Round Trip Time (Wi-Fi RTT), which can be used for indoor …

Average step length estimation models' evaluation using inertial sensors: A review

M Vezočnik, MB Juric - IEEE sensors journal, 2018 - ieeexplore.ieee.org
Inertial sensors of smartphones and other Internet-of-Things devices present a very
promising tool to monitor users' activity including their step length. In this review paper, we …

A novel 3-D indoor localization algorithm based on BLE and multiple sensors

Y Yu, R Chen, L Chen, X Zheng, D Wu… - IEEE Internet of …, 2021 - ieeexplore.ieee.org
Indoor wireless localization using Bluetooth low energy (BLE) beacons has attracted
considerable attention due to its extensive distribution and low cost properties. This article …

Accurate step length estimation for pedestrian dead reckoning localization using stacked autoencoders

F Gu, K Khoshelham, C Yu… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Pedestrian dead reckoning (PDR) is a popular indoor localization method due to its
independence of additional infrastructures and the wide availability of smart devices. Step …

[HTML][HTML] A hybrid smartphone indoor positioning solution for mobile LBS

J Liu, R Chen, L Pei, R Guinness, H Kuusniemi - Sensors, 2012 - mdpi.com
Smartphone positioning is an enabling technology used to create new business in the
navigation and mobile location-based services (LBS) industries. This paper presents a …

Factor graph framework for smartphone indoor localization: Integrating data-driven PDR and Wi-Fi RTT/RSS ranging

G Guo, R Chen, X Niu, K Yan, S Xu… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
The classic fusion localization techniques based on the Kalman filter (KF) framework have
been a focus of research community in the past decades, due to the limited computing …

Precise 3-D indoor localization based on Wi-Fi FTM and built-in sensors

Y Yu, R Chen, L Chen, S Xu, W Li… - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
More and more applications of location-based services lead to the development of indoor
positioning technology. As a part of the Internet-of-Things ecosystem, most existing indoor …

WhereArtThou: A WiFi-RTT-based indoor positioning system

R Jurdi, H Chen, Y Zhu, BL Ng, N Dawar… - IEEE …, 2024 - ieeexplore.ieee.org
Accurate indoor positioning is critical to a variety of use cases including tracking, proximity,
map**, and navigation. Existing positioning methods are either inaccurate (eg RSSI …

Locating smartphones indoors using built-in sensors and Wi-Fi ranging with an enhanced particle filter

S Xu, R Chen, Y Yu, G Guo, L Huang - Ieee Access, 2019 - ieeexplore.ieee.org
Sensors-based and radio frequency (RF)-based indoor localization technology is one of the
keys in location-based services. The IEEE 802.11-2016 introduced the Wi-Fi fine timing …