Base station, multi-antenna communication system and communication method thereof
US8472549B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2012 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Apr 3, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0656
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A User equipment selecting first user equipment in a mode of precoding transmission and second user equipment in a mode of diversity transmission; a parameter determining a modulation mode, the number of transmission layers and a precoding matrix according to channel quality information, precoding matrix information and number of transmission layers sent from the first user equipment and channel quality information and number of transmission layers sent from the second user equipment; according to the modulation mode and the number of transmission layers, generating first and second symbol sequence from first and second source data; hierarchically modulating the first and the second symbol sequence to generate a mixed symbol sequence; layer mapping and precoding for the mixed symbol sequence to generate transmission signals; and transmitting the precoding matrix and the number of transmission layers to the second user equipment; sending the transmission signals to the first and second user equipments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.