Sensor Application Using UWB Communication: In-Vehicle Seat Occupancy Detection

UWB(ultra-wideband) technology has recently attracted attention owing to its ability accurately measure distance and enable communication. Currently, applications such as sensors capable of recognizing situations are being considered, moving beyond communication measurement. In this study, we developed a UWB-based sensor application system that detects whether person is seated in car. With system, it possible send an alert the driver’s smartphone if driver leaves car with child back seat without separate detection sensor. The proposed uses changes channel status vehicle, which recognized when UWB device performs function, detect all seats occupied. using DW1000 module, demonstrated performance 93 % or more case one receiver, 97 two receivers, 100 four receivers for nine scenarios where people were different combinations seats.