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:
Oct. 17, 2017

Filed:

Mar. 03, 2015
Applicant:

Honeywell International Inc., Morristown, NJ (US);

Inventors:

John B. Mckitterick, Columbia, MD (US);

Michael R. Franceschini, Centerport, NY (US);

Assignee:

Honeywell International Inc., Morris Plains, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/02 (2006.01); G01S 7/35 (2006.01); G01S 7/00 (2006.01); G01S 7/40 (2006.01); G01S 13/87 (2006.01); G01S 13/34 (2006.01); G01S 13/94 (2006.01);
U.S. Cl.
CPC ...
G01S 7/35 (2013.01); G01S 7/006 (2013.01); G01S 7/4004 (2013.01); G01S 13/87 (2013.01); G01S 13/343 (2013.01); G01S 13/94 (2013.01);
Abstract

Methods, devices, and systems are disclosed synchronizing clocks of FMCW radar units by transmitting a first signal of a first FMCW radar unit, a frequency of the first signal varying over a first frequency range around a first baseband frequency, receiving a second signal at the first FMCW radar unit, a frequency of the second signal varying over a second frequency range around a second baseband frequency, determining values of a plurality of parameters including a first timing offset of the first FMCW radar unit based on a digital difference signal between the first and second signals, receiving a second timing offset of a second FMCW radar unit, determining a clock offset based on the first and second timing offsets, and synchronizing a clock of the first FMCW radar unit with a clock of the second FMCW radar unit based on the clock offset.


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