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. <EOS>