Call maintainance during position location
US6211820A · kind A · utility
37Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1998 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Sep 9, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S2205/008
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention is a novel and improved method and apparatus for performing position location in wireless communications system. In one embodiment the invention comprises a method for performing position location in a subscriber unit in a CDMA wireless communications system having a base station, including the step of receiving a position location request during a communication, entering a position location mode, transmitting frames to the base station while performing a position location procedure, and returning to communications mode when said position location procedure has been completed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.