A data transmitting device, a data receiving device, a method of transmitting data from a data transmitting node to a data receiving node on a wireless channel, and a method of receiving data from a data transmitting device on a wireless channel.

摘要

The present disclosure relates to a data transmission device, a data reception device, a corresponding data transmission method, and a data reception method for transmitting / receiving data on a wireless channel in a communication system. In particular, a first resource grant for data transmission in a subframe and a second resource grant for data transmission in the subframe are received. Then, it is determined whether the data is transmitted in the subframe according to the first resource grant or the second resource grant, and the data is transmitted in the subframe according to the selected first resource grant or the second resource grant. Is done.