摘要 |
Disclosed are a method for reporting channel state information, a user equipment, and a base station. The method comprises: receiving a first reference signal set sent by a base station, the first reference signal set comprising at least two reference signals; sending first CSI to the base station, the first CSI being determined according to the first reference signal set, the first CSI comprising a first RI and/or a first PMI, and the first PMI being used for indicating a first precoding matrix; receiving a second reference signal set sent by the base station, the second reference signal set being determined according to the first CSI, and the second reference signal set comprising at least one reference signal; and sending second CSI to the base station, the second CSI being determined according to the second reference signal set. The method for reporting channel state information, the user equipment and the base station in the embodiments of the present invention can improve the efficiency or performance of a system. |