IN-VEHICLE COMMUNICATION DEVICE, IN-VEHICLE COMMUNICATION SYSTEM AND IN-VEHICLE COMMUNICATION METHOD
MULTI-SYSTEM DATA PROCESSING DEVICE, AND RAILWAY TRAFFIC CONTROL SYSTEM
TRANSMISSION DEVICE, RECEPTION DEVICE, TRANSMISSION METHOD, AND RECEPTION METHOD
TRANSMISSION DEVICE, RECEPTION DEVICE, TRANSMISSION METHOD, AND RECEPTION METHOD
ELECTRONIC CONTROL UNIT, COMMUNICATION METHOD, AND PROGRAM
COMMUNICATION CONTROL DEVICE, COMMUNICATION CONTROL METHOD, AND COMMUNICATION CONTROL PROGRAM