Method for transmitting and receiving channel state information in wireless communication system and device for the same

A method for transmitting channel state information in a wireless communication system, the method performed by a User Equipment (UE) comprising:

• receiving, from a base station, a bitmap for configuring codebook subset restriction (CSR);
• and
• reporting, to the base station, Channel State Information (CSI),
• when a number of antenna ports is configured as 16 or more and a number of layers associated with a rank indicator (RI) in the CSI is 3 or 4,
• wherein a unit of multiple bits in a bitmap for configuring the CSR is associated with each precoder, the multiple bits includes three bits, and each of the indexes of the three bits has a value associated with a consecutive specified number,
• wherein a reporting of precoding matrix indicator (PMI) corresponding to the precoder associated with the multiple bits is restricted in the CSI, when the CSR is indicated in any one of the multiple bits, and
• wherein each bit in the bitmap for configuring the CSR is associated with each precoder, and a reporting of PMI corresponding to the precoder associated with a bit in which the CSR is indicated is restricted in the CSI, except the case that the number of antenna ports is configured as 16 or more and the number of layers associated with the RI in the CSI is 3 or 4.