摘要 |
An apparatus and method for generating a codebook in a wireless communication system are disclosed. The codebook generation method includes determining one or more dominant singular vectors in a channel matrix for antennas and setting each of the dominant singular vectors as a random non-zero vector, generating a first codebook having codewords, a minimum distance between the codewords being maximized, using the random non-zero vector in a region that includes unit norm vectors each having a Euclidean distance to each of the dominant singular vectors, equal to or less than a predetermined value, generating a second codebook corresponding to a unitary matrix that rotates the random non-zero vector toward the dominant singular vectors, and generating a final codebook using the first and second codebooks. |
申请人 |
LG ELECTRONICS INC.;KIM, HYUNG TAE;LEE, DAE WON;SEO, HAN BYUL;KIM, BYOUNG HOON;KIM, KI JUN |
发明人 |
KIM, HYUNG TAE;LEE, DAE WON;SEO, HAN BYUL;KIM, BYOUNG HOON;KIM, KI JUN |