Enhanced database information for urban navigation

A mobile device includes a receiver to obtain three-dimensional geographic information identifying at least one open area and at least a height associated with at least one object adjacent to the at least one open area, determine at least one pathway in the open area, and determine expected line of...

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:	A mobile device includes a receiver to obtain three-dimensional geographic information identifying at least one open area and at least a height associated with at least one object adjacent to the at least one open area, determine at least one pathway in the open area, and determine expected line of sight and expected non-line of sight detections of satellite positioning system (SPS) signals at locations along the pathway based on the three dimensional geographic information. The mobile device includes a processing unit to estimate a location of the mobile device based on application of the expected line of sight detections and the non-line of sight detections to signals acquired at the receiver.