Power ramping for RACH
US8320318B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2008 |
| Grant date | Nov 27, 2012 |
| Priority date | — |
| Expiry date | Aug 3, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W52/362
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a method for requesting access to a resource, said method comprising a secondary station transmitting an access preamble to a primary station, upon failure of correct transmission of the access preamble, the secondary station starting a first power ramping scheme for transmitting the access preamble, upon failure of correct transmission of the access preamble with the first power ramping scheme, the secondary station transmitting a second access preamble with a second power ramping scheme being different from the first power ramping scheme.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.