| 摘要 |
The present invention provides a data transmission method, apparatus and system, wherein, the data transmission method includes: a first user equipment (UE) determines the sub-frame where a data channel resource is located according to the index number k of an initial transmission sub-frame, or the index number k of the initial transmission sub-frame and a retransmission interval t, and k and t are non-negative integers; and the first UE transmits a data transmission block (TB) in the sub-frame where the data channel resource is located. |
