Method and user equipment for transmitting channel state information, and method and base station for receiving channels state information

The present invention provides a method and apparatus for transmitting or receiving a channel state information (CSI). CSI request field is the CSI request field included in accordance with the present invention, if the user unit can be set by the serving cell to one or more CSI process (process), a downlink control information for a specific serving cell (serving cell) on whether the upper layer trigger (trigger) for the CSI process (s) of the series (set) set by the (higher layer) of the CSI process (s) for non-periodic CSI reported by the one-serving cells that are triggered at least by It represents.