Codebook searching apparatus and method thereof
US8275060B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2009 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Apr 28, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/03828
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Exemplary embodiments of the present disclosure propose multiple codebook searching methods for a receiver in a communication system, wherein the communication system uses a codebook having L pre-coding matrices. First, L matrices are calculated according to the L pre-coding matrices, and the L matrices are inversed mean square error matrices of the L pre-encoding matrices. Then, diagonal cofactors or determinants of at least S matrices of the L matrices are calculated, and a pre-coding matrix used by the receiver is found according to the maximum cofactors of the diagonal of the at least S matrices or ratios between the maximum cofactors of the diagonals and the determinants of the at least S matrices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.