SLAVE STATION DEVICE, MASTER STATION DEVICE, CONTROL DEVICE, COMMUNICATION SYSTEM AND TIME SYNCHRONIZATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a slave station device capable of realizing a time synchronization service at low cost.SOLUTION: The slave station device accommodated in a master station device capable of accommodating one or more slave station devices comprises: a GPS receiver 317 for acquiring time information from a time source; a CPU 404 for adjusting local time on the basis of the time information and generating time related information which is information for performing time synchronization to the time source on the basis of the time information; and an MPCP processing unit 408 for transmitting the time related information to the master station device.