The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 2020
Filed:
Sep. 16, 2015
Applicant:
Nottingham Scientific Limited, Nottingham, GB;
Inventors:
Yeqiu Ying, Nottingham, GB;
Timothy Christopher Whitworth, Nottingham, GB;
Kevin Sheridan, Nottingham, GB;
Assignee:
Nottingham Scientific Limited, Nottingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/21 (2010.01); H04K 3/00 (2006.01);
U.S. Cl.
CPC ...
G01S 19/21 (2013.01); H04K 3/22 (2013.01); H04K 3/42 (2013.01); H04K 3/90 (2013.01);
Abstract
Methods and apparatus for detecting, geo-locating and/or classifying a GPS or GNSS jamming signal are disclosed. One such method comprises the steps of analysing a spectrogram of the jamming signal using a tree-based decision process and as a result, then selecting one of a number of types of jamming signal, wherein one of the decisions () in the tree is whether the spectrogram has spectral periodicity.