A tutorial on environment-aware communications via channel knowledge map for 6G

Y Zeng, J Chen, J Xu, D Wu, X Xu, S **… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Sixth-generation (6G) mobile communication networks are expected to have dense
infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified …

A meta-review of indoor positioning systems

GM Mendoza-Silva, J Torres-Sospedra, J Huerta - Sensors, 2019 - mdpi.com
An accurate and reliable Indoor Positioning System (IPS) applicable to most indoor
scenarios has been sought for many years. The number of technologies, techniques, and …

PSOSVRPos: WiFi indoor positioning using SVR optimized by PSO

J Bi, M Zhao, G Yao, H Cao, Y Feng, H Jiang… - Expert Systems with …, 2023 - Elsevier
Wireless fidelity (WiFi) indoor positioning has attracted the attention of thousands of
researchers. It faces many challenges, and the primary problem is the low positioning …

A survey of smartphone-based indoor positioning system using RF-based wireless technologies

S Subedi, JY Pyun - Sensors, 2020 - mdpi.com
In recent times, social and commercial interests in location-based services (LBS) are
significantly increasing due to the rise in smart devices and technologies. The global …

Device-free occupancy detection and crowd counting in smart buildings with WiFi-enabled IoT

H Zou, Y Zhou, J Yang, CJ Spanos - Energy and Buildings, 2018 - Elsevier
Precise occupancy information is extremely valuable for energy savings and optimization in
the built environment. Building management systems (BMSs) can automatically turn off the …

Receiver design and time of arrival estimation for opportunistic localization with 5G signals

K Shamaei, ZM Kassas - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
A comprehensive approach for opportunistic navigation with fifth-generation (5G) cellular
signals that exploits the downlink channel is developed. The structure of possible 5G …

Fingerprint augment based on super-resolution for WiFi fingerprint based indoor localization

T Lan, X Wang, Z Chen, J Zhu… - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
WiFi fingerprint based indoor localization has become a key research direction in the field of
indoor localization due to its high positioning accuracy and low equipment deployment cost …

A soft range limited K-nearest neighbors algorithm for indoor localization enhancement

MT Hoang, Y Zhu, B Yuen, T Reese… - IEEE Sensors …, 2018 - ieeexplore.ieee.org
This paper proposes a soft range limited K-nearest neighbors (SRL-KNNs) localization
fingerprinting algorithm. The conventional KNN determines the neighbors of a user by …

Towards occupant activity driven smart buildings via WiFi-enabled IoT devices and deep learning

H Zou, Y Zhou, J Yang, CJ Spanos - Energy and Buildings, 2018 - Elsevier
With the unprecedented advancement of Internet of Things (IoT), automatic occupant activity
recognition is becoming realizable for a myriad of emerging applications in smart buildings …

Adversarial learning-enabled automatic WiFi indoor radio map construction and adaptation with mobile robot

H Zou, CL Chen, M Li, J Yang, Y Zhou… - IEEE Internet of …, 2020 - ieeexplore.ieee.org
Location-based service (LBS) has become an indispensable part of our daily lives.
Realizing accurate LBS in indoor environments is still a challenging task. WiFi fingerprinting …