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:
Feb. 04, 2025

Filed:

Jul. 29, 2019
Applicant:

Raytheon Company, Waltham, MA (US);

Inventors:

James J. Richardson, Temecula, CA (US);

Gregory W. Heinen, Tucson, AZ (US);

Assignee:

Raytheon Company, Tewksbury, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 64/00 (2009.01); G01S 11/12 (2006.01); G01S 11/16 (2006.01); G01S 13/87 (2006.01); H04W 4/02 (2018.01); H04W 56/00 (2009.01); H04W 84/18 (2009.01);
U.S. Cl.
CPC ...
H04W 56/001 (2013.01); G01S 11/12 (2013.01); G01S 11/16 (2013.01); G01S 13/87 (2013.01); H04W 4/023 (2013.01); H04W 56/002 (2013.01); H04W 64/00 (2013.01); H04W 84/18 (2013.01);
Abstract

A method includes transmitting a first electromagnetic signal from a first node to a second node and receiving a second electromagnetic signal from the second node at the first node. The method also includes repeating the transmission of the first electromagnetic signal and the reception of the second electromagnetic signal multiple times. The method further includes identifying, based on the repeated transmissions and receptions, a time-of-flight associated with a travel time for one of the electromagnetic signals to travel between the first and second nodes. The time-of-flight is indicative of a distance between the nodes.


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