A communications device, wherein the communications device is a user equipment and comprises: a memory, a processor, a communications interface, wherein: the memory is configured to store mapping information between a data flow identifier and a physical layer transmission technology identifier, wherein a physical layer transmission technology corresponding to the physical layer transmission technology identifier comprises a waveform technology, wherein the wave technology is an universal filtered multicarrier technology, a filter bank multicarrier technology, a generalized frequency division multiplexing technology, a bi-orthogonal frequency division multiplexing technology, or an orthogonal frequency division multiplexing technology; and the processor is configured to: determine a to-be-scheduled data flow; determine, according to the mapping information and a data flow identifier of the data flow, a physical layer transmission technology identifier corresponding to the data flow; generate different transport blocks according to data flows corresponding to different physical layer transmission technology identifiers, wherein each physical layer transmission technology identifier is corresponding to one type of transport block; generate wireless communication data by performing processing, according to a physical layer transmission technology corresponding to the physical layer transmission technology identifier, on a transport block corresponding to the physical layer transmission technology identifier; and send the wireless communication data to a base station by using the communications interface; wherein the processor is further configured to: before determining the to-be-scheduled data flow, receive, by using the communications interface, uplink scheduling information sent by the base station, where the uplink scheduling information carries time-frequency resource information corresponding to the physical layer transmission technology identifier; wherein the processor is further configured to: determine, according to the time-frequency resource information corresponding to the physical layer transmission technology identifier, a time-frequency resource corresponding to the physical layer transmission technology corresponding to the wireless communication data; and send the wireless communication data to the base station by using the time-frequency resource. the memory is configured to store mapping information between a data flow identifier and a physical layer transmission technology identifier, wherein a physical layer transmission technology corresponding to the physical layer transmission technology identifier comprises a waveform technology, wherein the wave technology is an universal filtered multicarrier technology, a filter bank multicarrier technology, a generalized frequency division multiplexing technology, a bi-orthogonal frequency division multiplexing technology, or an orthogonal frequency division multiplexing technology; and the processor is configured to: determine a to-be-scheduled data flow; determine, according to the mapping information and a data flow identifier of the data flow, a physical layer transmission technology identifier corresponding to the data flow; generate different transport blocks according to data flows corresponding to different physical layer transmission technology identifiers, wherein each physical layer transmission technology identifier is corresponding to one type of transport block; generate wireless communication data by performing processing, according to a physical layer transmission technology corresponding to the physical layer transmission technology identifier, on a transport block corresponding to the physical layer transmission technology identifier; and send the wireless communication data to a base station by using the communications interface; wherein the processor is further configured to: before determining the to-be-scheduled data flow, receive, by using the communications interface, uplink scheduling information sent by the base station, where the uplink scheduling information carries time-frequency resource information corresponding to the physical layer transmission technology identifier; wherein the processor is further configured to: determine, according to the time-frequency resource information corresponding to the physical layer transmission technology identifier, a time-frequency resource corresponding to the physical layer transmission technology corresponding to the wireless communication data; and send the wireless communication data to the base station by using the time-frequency resource. determine, according to the time-frequency resource information corresponding to the physical layer transmission technology identifier, a time-frequency resource corresponding to the physical layer transmission technology corresponding to the wireless communication data; and send the wireless communication data to the base station by using the time-frequency resource.