Seat belt wireless communication system and method

The invention relates to a seat belt wireless communication system and method. The system comprises a fastening detection device, a slave controller, a master controller and a collection circuit unit, and the fastening detection device is arranged for each seat of the vehicle and is configured to detect whether a seat safety belt of each seat is fastened or not; a slave controller configured to wake up through wireless communication with the vehicle, transmit a slave data signal including the buckle state detected by the fastening detection device through the wireless communication, and switch to a dormant state after transmitting the slave data signal; a master controller configured to receive and store slave data signals wirelessly transmitted from each slave controller, and transmit the stored slave data signals to a system controller of the vehicle; the harvesting circuit unit is configured to perform energy harvesting in a process in which the master controller is configured to wirelessly transmit a harv