An embodiment relates to a vehicular distributed antenna system operating in a wireless communication system, the vehicular distributed antenna system comprising: a plurality of distributed units including RF antennas; and a central unit for controlling the plurality of distributed units, wherein, in a case of receiving a configuration of a power sleep mode from the central unit, the plurality of distributed units store final configuration parameter information; and in a case of receiving a configuration of a power activation mode from the central unit, the plurality of distribution units use the stored final configuration parameter information when a storage parameter use mode is configured, and receive new configuration parameter information when the storage parameter use mode is not configured.