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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.:

US 11846696 B1

PDFFull Text
Date of Patent:
Dec. 19, 2023

Filed:

Feb. 02, 2021

Reduced complexity fft-based correlation for automotive radar

Applicant:

Uhnder, Inc., Austin, TX (US);

Inventors:

Raghunath K. Rao, Austin, TX (US);

Curtis Davis, St. Louis, MO (US);

Monier Maher, St. Louis, MO (US);

Steve Borho, St. Louis, MO (US);

Nikhilesh Bhagat, Austin, TX (US);

Jean P. Bordes, St. Charles, MO (US);

Assignee:

Uhnder, Inc., Austin, TX (US);

Attorney:

Gardner, Linn, Burkhart & Ondersma LLP

Primary Examiner:

Timothy A Brainard

Assistant Examiner:

Helena H Seraydaryan

Int. Cl.
CPC ...
G01S 13/34 (2006.01); G01S 7/40 (2006.01); G01S 7/41 (2006.01); G01S 13/10 (2006.01); G01S 13/38 (2006.01); G01S 13/28 (2006.01); G01S 13/931 (2020.01); G01S 13/58 (2006.01); G01S 7/292 (2006.01); G01S 7/35 (2006.01); G01S 13/32 (2006.01); G01S 7/288 (2006.01); G01S 13/522 (2006.01); G01S 13/90 (2006.01);
U.S. Cl.
CPC ...
G01S 13/34 (2013.01); G01S 7/288 (2013.01); G01S 7/2921 (2013.01); G01S 7/354 (2013.01); G01S 7/4004 (2013.01); G01S 7/415 (2013.01); G01S 13/10 (2013.01); G01S 13/288 (2013.01); G01S 13/325 (2013.01); G01S 13/38 (2013.01); G01S 13/522 (2013.01); G01S 13/582 (2013.01); G01S 13/584 (2013.01); G01S 13/9011 (2013.01); G01S 13/931 (2013.01); G01S 7/2883 (2021.05); G01S 7/356 (2021.05); G01S 2013/93271 (2020.01); G01S 2013/93272 (2020.01);
Abstract

A radar system including a transmitter configured for installation and use with the radar system and configured to transmit radio signals. The transmitted radio signals are defined by a spreading code. The radar system also includes a receiver configured for installation and use with the radar system and configured to receive radio signals that include transmitted radio signals transmitted by the transmitter and reflected from objects in an environment. The receiver is configured to convert the received radio signals into frequency domain received samples. The receiver is also configured to correlate the frequency domain received samples to detect object distance.

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