Codebook generating method and apparatus for generating a codebook for multi-polarized multiple-input multiple-output (MIMO) systems
US8144808B2 · kind B2 · utility
6Cited by
1References
23Claims
0Family size
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Key dates
| Filing date | Jan 3, 2011 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Jan 3, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/0391
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A communication apparatus and method include: selecting, as a precoding matrix, one of pre-stored at least one matrix Wi, where i is a natural number, and precoding a data stream desired to be transmitted based on the precoding matrix, wherein each diagonal block, among a plurality of blocks included in each of the at least one matrix Wi, includes a nonzero matrix, the nonzero matrix excluding a zero matrix, and wherein each remaining block among the plurality of blocks, excluding the diagonal blocks, includes the zero matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.