https://ieeexplore.ieee.org/iel7/6287639/8600701/08756276.pdf
S Xu, R Chen, Y Yu, G Guo, L Huang - IEEE Access, 2019
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 measurement (FTM) protocol, which provides a new approach for Wi-Fi …