A user equipment, UE, comprising a transceiver and a transmitter, wherein the transceiver is configured to receive configuration information from a base station, wherein the configuration information is used to configure a radio resource or a data transmission mode that can be used when the transmitter performs data transmission with the base station; and the transmitter is configured to transmit data to the base station by using the radio resource or the data transmission mode that is configured by the base station according to the configuration information; characterized in that, when the configuration information is used to configure the radio resource, the configuration information is used to configure the radio resource to be a time domain resource or a frequency domain resource used for data transmission using a fixed scheduling and transmission mode and further, the configured information is used to configure at least one radio resource combination that can be used when the UE performs data transmission with the base station, wherein the radio resource combination is a combination of the radio resource and a modulation and coding scheme that corresponds to data transmitted by using the radio resource, and the configuration information is further used to configure a service period of the radio resource; or when the configuration information is used to configure the data transmission mode, the configuration information is used to configure the data transmission mode to be a fixed scheduling and transmission mode; and after the receiving, by the UE, the configuration information from the base station, the method further comprises: obtaining, by the UE by using a physical downlink control channel, at least one radio resource combination, wherein the radio resource combination is a combination of a radio resource and a modulation and coding scheme that corresponds to data transmitted by using the radio resource; and the configuration information is further used to configure a period for data transmission using the fixed scheduling and transmission mode. the transceiver is configured to receive configuration information from a base station, wherein the configuration information is used to configure a radio resource or a data transmission mode that can be used when the transmitter performs data transmission with the base station; and the transmitter is configured to transmit data to the base station by using the radio resource or the data transmission mode that is configured by the base station according to the configuration information; characterized in that, when the configuration information is used to configure the radio resource, the configuration information is used to configure the radio resource to be a time domain resource or a frequency domain resource used for data transmission using a fixed scheduling and transmission mode and further, the configured information is used to configure at least one radio resource combination that can be used when the UE performs data transmission with the base station, wherein the radio resource combination is a combination of the radio resource and a modulation and coding scheme that corresponds to data transmitted by using the radio resource, and the configuration information is further used to configure a service period of the radio resource; or when the configuration information is used to configure the data transmission mode, the configuration information is used to configure the data transmission mode to be a fixed scheduling and transmission mode; and after the receiving, by the UE, the configuration information from the base station, the method further comprises: obtaining, by the UE by using a physical downlink control channel, at least one radio resource combination, wherein the radio resource combination is a combination of a radio resource and a modulation and coding scheme that corresponds to data transmitted by using the radio resource; and the configuration information is further used to configure a period for data transmission using the fixed scheduling and transmission mode.