Patent ID: 11936449
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A method for operating a user equipment (UE), the method comprising:
receiving configuration information about a channel state information (CSI) report, the configuration information including a parameter d≥1, where d is a number of principal components;
determining principal singular values;
transmitting the CSI report including a precoding matrix indicator (PMI), the PMI indicating the principal singular values, wherein the principal singular values are selected from adaptive codebooks;
selecting a first principal singular value from a first base codebook;
selecting a j-th principal singular value from a scaled version of the first base codebook; and
computing a scaling factor based on a j−1 principal singular value, where j is equal to one of: 1, . . . , d−1.