Enhanced database information for urban navigation

Techniques are provided which may be implemented in an electronic device to establish certain enhanced database information for point locations which may correspond to an estimated location of a mobile device. For example, some enhanced database information may be based, at least in part, on a satel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	GARIN LIONEL JACQUES
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING
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Beschreibung
Zusammenfassung:	Techniques are provided which may be implemented in an electronic device to establish certain enhanced database information for point locations which may correspond to an estimated location of a mobile device. For example, some enhanced database information may be based, at least in part, on a satellite signal visibility mask. All or part of such enhanced database information may be provided to one or more mobile devices, which may use the enhanced database, at least in part, for location estimation.