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|1. (WO2018137674) DATA TRANSMISSION METHOD AND DEVICE, AND STORAGE MEDIUM|
|Title:||DATA TRANSMISSION METHOD AND DEVICE, AND STORAGE MEDIUM|
The present application provides a data transmission method and device, and a storage medium. The method comprises: obtaining a first type of data and a second type of data to be transmitted, wherein the transmission delay allowed by the first type of data is smaller than the transmission delay allowed by the second type of data; and transmitting the first type of data that needs immediate transmission on a first carrier frequency band of a transmission channel between a target optical network unit and an optical line unit; the transmission channel allows simultaneous transmission of the first type of data and the second type of data, the lowest frequency in a second frequency band for transmitting the second type of data on the transmission channel being higher than the highest frequency in the first carrier frequency band.