System for locating a mobile unit
US7477904B2 · kind B2 · utility
33Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2003 |
| Grant date | Jan 13, 2009 |
| Priority date | — |
| Expiry date | Nov 2, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/12
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wireless local area network (LAN) comprises an access point which transmits a beacon signal at 0 dBm. The detection threshold of the mobile unit is −65 dBm and thus the mobile unit is detected when located within 10 meters of the access point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.