Lee Hong Degerman Kang Waimey
Method for transmitting uplink signal and user equipment, and method for receiving uplink signal and base station
The present invention provides a method and a device for transmitting/receiving an uplink signal on one cell (hereinafter, referred to as a specific cell) among a plurality of cells under a carrier aggregation situation in which the plurality of cells are aggregated. In one embodiment of the present invention, when the specific cell is a cell set in an unlicensed band, the specific cell is included in uplink grant downlink control information including a hybrid automatic repeat request (HARQ) process number field. Therefore, an asynchronous UL HARQ can be performed on the specific cell.
LG ELECTRONICS INC.
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Seonwook Seungmin Suckchel Joonkui
Kim Lee Yang Ahn