A method performed by a terminal in a wireless communication system includes receiving, from a base station, information on a rate matching configuration and an aggregation factor associated with a number of a plurality of slots; receiving, from the base station, downlink control information including scheduling information for data and a rate matching indicator; identifying resources based on the scheduling information, except for at least one rate matching resource associated with the rate matching indicator; and receiving, from the base station, the data on the identified resource, wherein the data is repeated in the plurality of slots associated with the aggregation factor, and wherein the rate matching indicator is applied to a slot where the rate matching configuration is present among the plurality of slots.