The DCI or the system message carries the time information, and the time information specifically includes an interval from a preset time point to a time at which uplink information is sent; or the DCI further carries scheduling information, excluding the time information, of the user equipment and scheduling information of another user equipment, the user equipment and the another user equipment form a user equipment set, and the time information carried in the DCI specifically includes a sequence number of the user equipment in the user equipment set for sending the uplink information after a preset time point.
The preset time point is a parameter received by the user equipment from the DCI or the system message, or a parameter preset in the user equipment.
Specifically, the downlink information sending apparatus 24 in this embodiment may be a base station. For example, the downlink information sending apparatus 24 may be a base station in NB M2M, which is not limited herein. Further, the determining module 240 may be a scheduling control module in a media access control module in the base station, and the first sending module 241 and the second sending module 242 may be transmitters in the base station, which are not limited herein.