indoor localization History of engineering & technology 4 deep learning 4 fingerprinting 4 internet of things 4 Technology: general issues 3 channel state information 3 indoor positioning 3 machine learning 3 smartphone 3 Energy industries & utilities 2 Internet of Things (IoT) 2 Kalman filter 2 carrier phase 2 computational efficiency 2 computer vision 2 data fusion 2 extended Kalman filter 2 indoor navigation 2 indoor positioning system 2 localization 2 location fingerprinting 2 mobile robot 2 navigation 2 particle filter 2 received signal strength (RSS) 2 received signal strength indicator 2 sensor fusion 2 visible light positioning 2 visually impaired 2