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US-9213103-B2 · Dec 15, 2015 · US
Method of detecting interference in a satellite radio-navigation signal by detecting a deformation of the correlation function
US9166649B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9166649-B2 |
| Application number | US-201414526396-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 28, 2014 |
| Priority date | Oct 31, 2013 |
| Publication date | Oct 20, 2015 |
| Grant date | Oct 20, 2015 |
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Abstract
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A method of detecting interference in a satellite radio-navigation signal, calculates an item of information representative of the slope of the correlation function correlating the said signal with a local spreading code. The correlation function has substantially the theoretical form of an isosceles triangle, with the slope being estimated on any one of the equal-length sides of the isosceles triangle. The method further includes comparing the item of information with a detection threshold configured at least as a function of a target signal-to-noise ratio.
First claim
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The invention claimed is: 1. Method, implemented by a radio-navigation signals receiver comprising a correlator and an interference detector, for detecting interference in a received satellite radio-navigation signal, comprising the steps of: calculating, at the correlator, a correlation function correlating the received satellite radio-navigation signal with a local spreading code, the said correlation function having substantially a theoretical form of an isosceles triangle, c…
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- What does patent US9166649B2 cover?
- A method of detecting interference in a satellite radio-navigation signal, calculates an item of information representative of the slope of the correlation function correlating the said signal with a local spreading code. The correlation function has substantially the theoretical form of an isosceles triangle, with the slope being estimated on any one of the equal-length sides of the isosceles …
- Who is the assignee on this patent?
- Thales Sa
- What technology area does this patent fall under?
- Primary CPC classification G01S19/21. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Oct 20 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).