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:
Nov. 24, 2020

Filed:

Sep. 18, 2018
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Alejandro J. Marquez, Sunnyvale, CA (US);

Shang-Te Yang, San Jose, CA (US);

Mohit Narang, Cupertino, CA (US);

Indranil S. Sen, Fremont, CA (US);

Joachim S. Hammerschmidt, Mountain View, CA (US);

Hung Kwan Oscar Au, Sunnyvale, CA (US);

Dineshan Poopalaratnam, San Jose, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04W 24/06 (2009.01); H04W 72/04 (2009.01); H04W 24/08 (2009.01); H04W 84/12 (2009.01); H04W 88/02 (2009.01);
U.S. Cl.
CPC ...
H04L 43/103 (2013.01); H04W 24/08 (2013.01); H04W 72/0446 (2013.01); H04W 84/12 (2013.01); H04W 88/02 (2013.01);
Abstract

Methods for a data-less ranging procedure may include initiating a ranging procedure via a polling message transmitted at a first time and receiving response messages at second and third times. The time intervals between the first and second time and the second and third times may be pre-defined. A time of flight may be calculated based on the pre-defined time intervals and the first, second, and third times.


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