TDOA-based positioning system using terrestrial wireless signal sources
US12050274B2 · kind B2 · utility
1Cited by
1References
6Claims
0Family size
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Key dates
| Filing date | May 12, 2020 |
| Grant date | Jul 30, 2024 |
| Priority date | — |
| Expiry date | May 12, 2040 |
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.