Systems and methods for geographic positioning using radio...

H - Electricity – 04 – M

Patent

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H04M 3/16 (2006.01)

Patent

CA 2570861

Methods, radios, components thereof, and other devices for localizing a geographic position of a radio receiver are provided. A current radio signature is obtained. The current radio signature comprises a plurality of measured signal qualities that collectively represent a frequency spectrum. Each measured signal quality in the plurality of measured signal qualities corresponds to a portion of the frequency spectrum. The current radio signature is compared with a plurality of reference radio signatures. Each reference radio signature in the plurality of reference radio signatures is associated with a global position. When the comparing identifies a unique match between the current radio signature and a reference radio signature in the plurality of reference radio signatures, the radio receiver is deemed to be localized to the global position associated with the reference radio signature.

L'invention concerne des procédés, des radios, des composants associés, et d'autres dispositifs permettant de localiser un emplacement géographique d'un récepteur radio. Une signature radio actuelle est obtenue. Cette signature comprend une pluralité de qualités de signal mesurées qui représentent collectivement un spectre de fréquences. Chaque qualité de signal mesurée parmi ladite pluralité de qualités correspond à une partie du spectre de fréquences. La signature radio actuelle est comparée à une pluralité de signatures radio de référence. Chaque signature radio de référence parmi ladite pluralité des signatures radio de référence est associée à une position mondiale. Lorsque la comparaison permet d'identifier une correspondance unique entre la signature radio actuelle et une signature radio de référence parmi la pluralité des signatures radio de référence, le récepteur radio est amené à être localisé à la position mondiale associée à la signature radio de référence.

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