Signaling method to enable controlled TX deferring in mixed license and unlicensed spectrum in carrier aggregation in future LTE-A networks
US9258811B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2013 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | Jan 23, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/542
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a signaling method, an apparatus and a computer program for controlled transmission signal deferring utilizing both licensed and unlicensed frequency bands for carrier aggregation. In the method, a connection is established between a User Equipment and a base station. For example, based on a sensed interference level, a transmission deferring indication is generated regarding a secondary component carrier locating on an unlicensed band, in case the secondary component carrier is occupied. This indication may be generated and sent either by the base station or by the User Equipment. Finally, the secondary component carrier is deactivated for data transmission, for deferring data transmission for a certain time period. After the deferring time has passed, the data transmission can be re-performed on the same secondary component carrier, or through switching to another secondary component carrier in unlicensed spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.