Indoor geomagnetic positioning using direction-aware multiscale recurrent neural networks

M Shu, G Chen, Z Zhang, L Xu - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
Accurate indoor positioning has become an indispensable technology for location-based
service in indoor environments. Geomagnetic field fingerprinting for indoor positioning is an …

Illoc: In-hall localization with standard lorawan uplink frames

D Guo, C Gu, L Jiang, W Luo, R Tan - … of the ACM on Interactive, Mobile …, 2022 - dl.acm.org
LoRaWAN is a narrowband wireless technology for ubiquitous connectivity. For various
applications, it is desirable to localize LoRaWAN devices based on their uplink frames that …

Contact Tracing for Healthcare Workers in an Intensive Care Unit

J Zhang, R Dai, A Rjob, R Wang, R Hamauon… - Proceedings of the …, 2023 - dl.acm.org
Contact tracing is a powerful tool for mitigating the spread of COVID-19 during the
pandemic. Front-line healthcare workers are particularly at high risk of infection in hospital …

Indoor localization with adaptive signal sequence representations

N Liu, T He, S He, Q Niu - IEEE Transactions on Vehicular …, 2021 - ieeexplore.ieee.org
Indoor location-based services (LBS) have exhibited large commercial and social values in
smart cities, and urgent demands of which have spurred many localization techniques …

Localization in ultra narrow band IoT networks: Design guidelines and tradeoffs

H Sallouha, A Chiumento… - IEEE Internet of Things …, 2019 - ieeexplore.ieee.org
Localization in long-range Internet of Things networks is a challenging task, mainly due to
the long distances and low bandwidth used. Moreover, the cost, power, and size limitations …

MAIL: Multi-scale attention-guided indoor localization using geomagnetic sequences

Q Niu, T He, N Liu, S He, X Luo, F Zhou - Proceedings of the ACM on …, 2020 - dl.acm.org
Knowing accurate indoor locations of pedestrians has great social and commercial values,
such as pedestrian heatmapping and targeted advertising. Location estimation with …

Intelligent scanning period dilation based Wi-Fi fingerprinting for energy efficient indoor positioning in IoT applications

PS Varma, V Anand - The Journal of Supercomputing, 2023 - Springer
Abstract Internet of Things (IoT) is steadily revolutionizing people's lives, and accurate
location sensing is crucial in achieving this. Global positioning system (GPS) is being widely …

GC-Loc: A graph attention based framework for collaborative indoor Localization using infrastructure-free signals

T He, Q Niu, N Liu - Proceedings of the ACM on Interactive, Mobile …, 2023 - dl.acm.org
Indoor localization techniques play a fundamental role in empowering plenty of indoor
location-based services (LBS) and exhibit great social and commercial values. The …

GPS-assisted Indoor Pedestrian Dead Reckoning

H Zhou, T Maekawa - Proceedings of the ACM on Interactive, Mobile …, 2023 - dl.acm.org
Indoor pedestrian dead reckoning (PDR) using embedded inertial sensors in smartphones
has been actively studied in the ubicomp community. However, PDR relying only on inertial …

Magnetic field based indoor localization system: A crowdsourcing approach

M Kwak, C Hamm, S Park… - … Conference on Indoor …, 2019 - ieeexplore.ieee.org
Over the past decade, crowdsourcing has been actively studied for indoor localization since
surveying sites (eg wardriving) is a costly process. However, the existing localization …