Channel state information feedback method and user equipment
US8913574B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2010 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Sep 26, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L1/0003
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for feeding back channel state information and user equipment are provided in the present invention, which relates to the digital communication field; and they solve the problem of lacking a mechanism of reporting overall and effective channel state information in a SU-MIMO and MU-MIMO dynamic switching system. The method includes: in a single transmission mode, UE sends the channel state information to a network side, wherein the channel state information includes information indicating a transmission layer with the best channel quality. Technical schemes provided in the present invention are applied to the LTE system and LTE-A system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.