User profiles for Zuoya Liu

Zuoya Liu

Research Scientist, Finnish Geospatial Research Institute
Verified email at maanmittauslaitos.fi
Cited by 512

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 …

Data-driven antenna delay calibration for UWB devices for network positioning

Z Liu, T Hakala, J Hyyppä, A Kukko… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
… and Zuoya Liu developed the method. The hardware platforms used in this article were created
by Zuoya Liu … The experimental design and data collection were performed by Zuoya Liu. …

Improved TOA estimation method for acoustic ranging in a reverberant environment

Z Liu, R Chen, F Ye, G Guo, Z Li… - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
Indoor localization based on the time-of-arrival (TOA) measurements of acoustic signals has
advantages of low cost, high accuracy and no electromagnetic interference compared with …

Precise indoor positioning based on acoustic ranging in smartphone

…, Z Li, F Ye, G Guo, S Xu, L Qian, Z Liu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Existing indoor positioning systems based on Wi-Fi or Bluetooth confront difficulties and
problems, such as low positioning accuracy, unstable, and small-signal coverage. A system …

Precise, low-cost, and large-scale indoor positioning system based on audio dual-chirp signals

Z Liu, R Chen, F Ye, L Huang, G Guo… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Existing indoor positioning systems, such as WiFi, Bluetooth and ultra-wideband based
solutions, have difficulty achieving a balance among cost, accuracy and coverage simultaneously…

A robust dead reckoning algorithm based on Wi-Fi FTM and multiple sensors

Y Yu, R Chen, L Chen, G Guo, F Ye, Z Liu - Remote Sensing, 2019 - mdpi.com
More and more applications of location-based services lead to the development of indoor
positioning technology. Wi-Fi-based indoor localization has been attractive due to its extensive …

A low-cost single-anchor solution for indoor positioning using BLE and inertial sensor data

F Ye, R Chen, G Guo, X Peng, Z Liu, L Huang - IEEE Access, 2019 - ieeexplore.ieee.org
Indoor positioning services have become necessary in many situations. Radio frequency (RF)
signals are suitable for being used for positioning because of their ubiquity and …

A robust integration platform of Wi-Fi RTT, RSS signal, and MEMS-IMU for locating commercial smartphone indoors

G Guo, R Chen, F Ye, Z Liu, S Xu… - IEEE Internet of …, 2022 - ieeexplore.ieee.org
As the cornerstone of indoor location-based services (ILBSs), the smartphone-based real-time
locating and tracking technologies are now becoming the key for implementing seamless …

Bluetooth, floor-plan, and microelectromechanical systems-assisted wide-area audio indoor localization system: Apply to smartphones

…, R Chen, G Guo, Z Li, L Qian, F Ye, Z Liu… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
During the past decade, there has been an increasing interest in the audio-based indoor
localization approach, which has benefited from the high precision, high privacy, and high …

Wi-Fi fine time measurement: Data analysis and processing for indoor localisation

Y Yu, R Chen, Z Liu, G Guo, F Ye… - The Journal of Navigation, 2020 - cambridge.org
Indoor positioning systems have received increasing attention for supporting location-based
services in indoor environments. Wi-Fi based indoor localisation has become attractive due …