Method and apparatus for scheduling data transmission on multiple carriers
US8565170B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2010 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Jul 16, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W72/535
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Techniques for scheduling data transmission on multiple carriers in a wireless communication system are described. In one design, a scheduler may receive requested power headrooms for multiple carriers from a user equipment (UE), one requested power headroom for each carrier. Each requested power headroom may be indicative of transmit power usable by the UE for transmission on an associated carrier. The scheduler may also receive queue information indicative of data to transmit by the UE. The scheduler may redistribute the requested power headrooms across the multiple carriers (e.g., based on water filling or greedy filling) to obtain redistributed power headrooms for the multiple carriers. The scheduler may schedule the UE for data transmission on the uplink based on the redistributed power headrooms and the queue information. The scheduler may obtain and send at least one granted power headroom for at least one carrier to the UE.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.