Tracing virtual reality helmet’s position with +-2cm precision indoor

Virtual reality (VR) helmet precise ( -2cm) real-time tracking indoor: - Mobile beacon is installed on the VR helmet - Mobile beacon’s (and helmet’s) position is tracked in real time with up to 16Hz update rate - Stationary beacons are installed on the walls - The mobile beacon’s (helmet’s) location data can be obtained either from the mobile beacon on the helmet or from the modem attached to the PC via USB (virtual UART)/UART/SPI/I2C