Wireless communication method, apparatus, and system

A communication method, comprising:

• receiving higher layer signaling from a base station, wherein the higher layer signaling indicates a downlink aggregation coefficient S corresponding to S consecutive transmission time units, and a transport block is repeatedly transmitted at each of the S consecutive transmission time units;
• receiving physical layer signaling from the base station, wherein the physical layer signaling schedules the transport block and comprises first indication information indicating at least a portion of resource of a downlink control region available for transmitting the transport block;
• and
• determining a valid time of the first indication information, wherein the valid time is one or more transmission time units in the S consecutive transmission time units.

A non-transitory computer-readable storage medium storing one or more instructions executable by at least one processor to perform operations comprising:

• receiving higher layer signaling from a base station, wherein the higher layer signaling indicates a downlink aggregation coefficient S corresponding to S consecutive transmission time units, and a transport block is repeatedly transmitted at each of the S consecutive transmission time units;
• receiving physical layer signaling from the base station, wherein the physical layer signaling schedules the transport block and comprises first indication information indicating at least a portion of resource of a downlink control region available for transmitting the transport block;
• and
• determining a valid time of the first indication information, wherein the valid time is one or more transmission time units in the S consecutive transmission time units.