Patent · US Active

TDOA-based positioning system using terrestrial wireless signal sources

US10649092B2 · kind B2 · utility

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6Claims
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Key dates

Filing dateApr 8, 2019
Grant dateMay 12, 2020
Priority date
Expiry dateApr 8, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01S19/21
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A positioning system is provided in which a client device samples a transmission from any suitable terrestrial wireless source. The resulting samples are correlated with replica samples to determine a position of the client device using time-difference-of-arrival-based calculations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.