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.

Date of Patent:
Aug. 22, 2017

Filed:

Oct. 24, 2016
Applicant:

Harris Corporation, Melbourne, FL (US);

Inventors:

Eric Petkus, Palm Bay, FL (US);

Timothy F. Dyson, Melbourne, FL (US);

Jason Plew, Malabar, FL (US);

Joshua P. Bruckmeyer, West Melbourne, FL (US);

Assignee:

Harris Corporation, Melbourne, FL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/22 (2009.01); H04W 4/02 (2009.01); H04W 76/00 (2009.01); H04B 7/185 (2006.01);
U.S. Cl.
CPC ...
H04W 4/22 (2013.01); H04B 7/18517 (2013.01); H04B 7/18567 (2013.01); H04W 4/02 (2013.01); H04W 76/007 (2013.01);
Abstract

Systems () and methods () for providing Digital Selective Calling ('DSC') based services. The methods involve: using Space-Born Maritime ('SBM') receivers of satellites () deployed in space as a satellite constellation to collect and process DSC emergency messages transmitted from DSC transmitters of terrestrial radios; using the satellites to position validate the DSC emergency messages; determining first positions of the DSC transmitters in transit based on geolocation data and time location data respectively assigned by the satellites to the DSC emergency messages; and validating the first positions to more precise second positions based on results of cross-correlations of the geolocation data and time location data with Automatic Identification Systems (“AIS”) data obtained for the DSC transmitters.


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