SYSTEMS AND METHODS FOR TOA AND DOA ACQUISITION AND TRACKING FOR SIGNAL OF OPPORTUNITY POSITIONING

Processes and device configurations, including a receiver structure, are provided to jointly estimate the time-of-arrival (TOA) and azimuth and elevation angles of direction-of-arrival (DOA) from signals of opportunity, such as received cellular long-term evolution (LTE) signals. In one embodiment,...

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Bibliographische Detailangaben
Hauptverfasser:	SHAMAEI, Kimia, KASSAS, Zak
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	Processes and device configurations, including a receiver structure, are provided to jointly estimate the time-of-arrival (TOA) and azimuth and elevation angles of direction-of-arrival (DOA) from signals of opportunity, such as received cellular long-term evolution (LTE) signals. In one embodiment, a matrix pencil (MP) algorithm is used to obtain a coarse estimate of the TOA and DOA. Tracking loop configurations are provided to refine the estimates and jointly track the TOA and DOA changes. One or more solutions are provided for acquisition and tracking in the presence of noise and multipath signals. Processes and devices configurations are provided to use refined estimates to determine position and for use in navigation of a device.