Using satellite visibility data for improved location accuracy
US9857474B2 · kind B2 · utility
16Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2013 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Jul 19, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/42
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Described is a technology by which GPS-capable devices work with a cloud service to receive satellite visibility-related data. The satellite visibility-related data may be used to determine a location, and/or to abort a search for satellites. The cloud service may use crowd data from other GPS-capable devices. In one aspect, line-of-sight satellites are differentiated from other satellites, and used to determine which satellite signals are more trustworthy. Reflected signals also may be determined.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.