Access probe enhancements
US8180378B2 · kind B2 · utility
3Cited by
2References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2009 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Dec 7, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W64/003
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method of providing a location based service to an access terminal in a mobile communication system is provided. The method includes transmitting one or more access probes, each of the one or more access probes including a preamble having a first specific length and transmitted at a first power level, where the preamble is utilized to determine a position of the access terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.