GPS assistance messages in cellular communications networks...

Details GPS assistance messages in cellular communications networks... GPS assistance messages in cellular communications networks...

2001-02-16

2010-06-29

Ferguson, Keith T (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S427000, C455S428000, C455S429000, C455S456200, C455S456500, C342S357490, C342S357490, C342S357490, C342S357490

Reexamination Certificate

active

07747257

ABSTRACT:
GPS assistance message and data issue identifiers for transmission to GPS enabled mobile stations in cellular communications networks and methods therefore. The GPS data issue identifiers indicate whether GPS data, for example corresponding ephemeris and almanac data, stored at the mobile station requires updating. In the exemplary 3rdgeneration (W-CDMA/UMTS) architecture, the GPS assistance message is a System Information Block (SIB), and the GPS ephemeris data identifier and corresponding satellite identifier is encoded in a value tag included in a Master Information Block (MIB).

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