Title:
SYSTEM AND METHOD FOR AIDING A LOCATION DETERMINATION IN A POSITIONING SYSTEM
Document Type and Number:
WIPO Patent Application WO2004032338
Kind Code:
A3
Abstract:
The invention provides a cellular telephone or other communications device with improved satellite positioning capability. A location reference point and a selective uncertainty range may be used as aiding information to seed a global positioning calculation. In embodiments, the location reference point may represent the location of the cellular service site or other network service site serving the communications device. In embodiments, the selective uncertainty may be selected from a plurality of possible uncertainties and may represent an approximate distance from the communications device to the location reference point. In other embodiments, the selective uncertainty may represent a range of possible locations within a network service area.
Inventors:
KORNELUK JOSE E
DRAWERT BRUCE M
HAYEK CHARBEL E
MARKWELL JEFFREY S
DRAWERT BRUCE M
HAYEK CHARBEL E
MARKWELL JEFFREY S
Application Number:
PCT/US2003/030752
Publication Date:
August 26, 2004
Filing Date:
September 30, 2003
Export Citation:
Assignee:
MOTOROLA INC (US)
International Classes:
G01S1/00; G01S19/09; G01S19/25; G01S19/46; H04W64/00; (IPC1-7): H04Q7/20
Foreign References:
| US6411892B1 | 2002-06-25 | |||
| US5708969A | 1998-01-13 | |||
| US6204808B1 | 2001-03-20 | |||
| US6070078A | 2000-05-30 | |||
| US6570529B2 | 2003-05-27 |
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