Errors 1 Fusion methods 1 IEEE Standards 1 Improved matching positioning Indoor positioning 1 Indoor positioning systems 1 Matchings 1 Performance 1 Range measurements 1 Real- time 1 Single-point positioning 1 Time range 1 Wi-Fi 1 Wi-Fi FTM 1 Wi-fi fine time measurement 1 Wireless local area networks (WLAN) 1 fusion 1 improved matching positioning 1 indoor positioning 1 single-point positioning 1