Method, base station, and user equipment for feeding back ACK/NACK information for carrier aggregation
US8885587B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2012 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Jun 2, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L5/0094
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention provides a method, a base station, and a user equipment for feeding back ACK/NACK information for carrier aggregation. The method includes: configuring a common field preset in DCI as at least one type of command field related to ACK/NACK feedback of at least two types of command fields related to ACK/NACK feedback, where the common field can be configured as the command fields related to ACK/NACK feedback; and sending the DCI to a user equipment, so that the user equipment feeds back ACK/NACK information according to the DCI. The present invention may realize backward compatibility of the ACK/NACK information feedback with an LTE system in carrier aggregation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.