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|1. (WO2018082661) DATA TRANSMISSION METHOD AND APPARATUS|
|Applicants:||HUAWEI TECHNOLOGIES CO., LTD.
|Title:||DATA TRANSMISSION METHOD AND APPARATUS|
Disclosed are a data transmission method and apparatus, relating to the technical field of data processing and used for improving transmission efficiency. The method comprises: receiving control information and data of a transport block (TB) mapped to a first time-frequency resource; obtaining m code block (CB) groups from the first time-frequency resource, and demodulating and decoding data of the m CB groups and then performing cascading to generate data of one TB, wherein m is a positive integer, m=min(NCB_re, NGroup_max), NCB_re is the quantity of CBs in a TB, NGroup_max is a maximum of the quantity of CB groups, each of the m CB groups comprises at least one CB, NCB_re is determined according to a TB size (TBS) of the TB and a maximum value of a data length of the CB, and the TBS is determined according to control information.