The present invention provides a
codebook configuration method and
user equipment. The UE receives a reference
signal that is of an antenna whose quantity of antenna ports is X and that is sent by a
base station and configuration information of a
codebook subset restriction for the quantity X of antenna ports, where the configuration information of the
codebook subset restriction for the quantity X of antenna ports includes first configuration information and second configuration information; determines, according to the configuration information of the codebook subset restriction for the quantity X of antenna ports, a
precoding matrix on which channel measurement and feedback need to be performed; and obtains, by means of measurement according to the reference
signal, the
precoding matrix on which channel measurement and feedback need to be performed and that is of antenna ports. In the method, the configuration information of the codebook subset restriction for the quantity X of antenna ports is carried in the first configuration information and the second configuration information for feedback, so as to reduce feedback overheads of the configuration information of the codebook subset restriction.