Patent attributes
An embodiment method includes method includes receiving, by a user equipment, a plurality of pieces of first downlink control information sent by a base station, wherein pieces of the plurality of pieces of first downlink control information carry downlink assignment indexes, and wherein at least one piece of the plurality of pieces of first downlink control information further carries a total downlink assignment indexes. The method also includes generating, by the user equipment, a hybrid automatic repeat request response message according to the total downlink assignment indexes, according to the downlink assignment indexes of the pieces of the plurality of pieces of first downlink control information, and according to a physical downlink shared channel corresponding to the pieces of the plurality of pieces of first downlink control information. Additionally, the method includes ending, by the user equipment, the hybrid automatic repeat request response message to the base station.