GPS access system and method
US7042392B2 · kind B2 · utility
49Cited by
8References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 24, 2003 |
| Grant date | May 9, 2006 |
| Priority date | — |
| Expiry date | Dec 16, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/235
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This invention describes a means for acquiring GPS P/Y code under jamming conditions. It improves jam resistance by augmenting a component of the GPS signal with one from a different satellite system, such as a low earth orbiting (LEO) satellite. The preferred embodiment of this invention employs the Iridium LEO satellite constellation broadcasting in a 10 MHz wide band about 1,621 MHz. A low-cost, integrated Iridium receiver coupled to the GPS receiver employs a single antenna that is capable of receiving both the GPS and Iridium signals together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.