Mobile communication device and communication network for providing location services
US6070083A · kind A · utility
64Cited by
7References
83Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1998 |
| Grant date | May 30, 2000 |
| Priority date | — |
| Expiry date | May 14, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W48/08
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A mobile communication system and communication device for providing location services. Time difference of arrival (TDOA) measurements are used to determine the location of a mobile of the network. The location may be forwarded to a service provider. The location may alternatively be used to determine service providers that are local to the mobile. Correction factors deprived from calibration TDOA measurements made at calibration terminals are applied to the TDOA measurements enhance the accuracy of the location determination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.