A method for receiving downlink control information, comprising: receiving downlink control information, DCI, for scheduling downlink data using one codeword, characterized in that the DCI comprises 3-bit indication information, and the indication information is used to indicate a quantity of layers of the downlink data and one or more antenna ports of the downlink data, a value of the indication information belongs to a set, wherein the set comprises: a first value indicating that the quantity of layers of the downlink data is 2 and the antenna ports of the downlink data are x and z, a second value indicating that the quantity of layers of the downlink data is 2 and the antenna ports of the downlink data are y and w, and wherein x, y, z and w are different from each other; and determining, based on the indication information, the quantity of layers of the downlink data and the one or more antenna ports of the downlink data, wherein the set further comprises: a third value indicating that the quantity of layers of the downlink data is 1 and the antenna port of the downlink data is x; a fourth value indicating that the quantity of layers of the downlink data is 1 and the antenna port of the downlink data is y; a fifth value indicating that the quantity of layers of the downlink data is 2 and the antenna ports of the downlink data are x and y; a sixth value indicating that the quantity of layers of the downlink data is 3 and the antenna ports of the downlink data are x, y, and z; and a seventh value indicating the quantity of layers of the downlink data is 4 and the antenna ports of the downlink data are x, y, z, and w. a first value indicating that the quantity of layers of the downlink data is 2 and the antenna ports of the downlink data are x and z, a second value indicating that the quantity of layers of the downlink data is 2 and the antenna ports of the downlink data are y and w, and wherein x, y, z and w are different from each other; and determining, based on the indication information, the quantity of layers of the downlink data and the one or more antenna ports of the downlink data, wherein the set further comprises: a third value indicating that the quantity of layers of the downlink data is 1 and the antenna port of the downlink data is x; a fourth value indicating that the quantity of layers of the downlink data is 1 and the antenna port of the downlink data is y; a fifth value indicating that the quantity of layers of the downlink data is 2 and the antenna ports of the downlink data are x and y; a sixth value indicating that the quantity of layers of the downlink data is 3 and the antenna ports of the downlink data are x, y, and z; and a seventh value indicating the quantity of layers of the downlink data is 4 and the antenna ports of the downlink data are x, y, z, and w. a third value indicating that the quantity of layers of the downlink data is 1 and the antenna port of the downlink data is x; a fourth value indicating that the quantity of layers of the downlink data is 1 and the antenna port of the downlink data is y; a fifth value indicating that the quantity of layers of the downlink data is 2 and the antenna ports of the downlink data are x and y; a sixth value indicating that the quantity of layers of the downlink data is 3 and the antenna ports of the downlink data are x, y, and z; and a seventh value indicating the quantity of layers of the downlink data is 4 and the antenna ports of the downlink data are x, y, z, and w.