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:
Jul. 14, 2020

Filed:

Oct. 24, 2017
Applicant:

Intel Ip Corporation, Santa Clara, CA (US);

Inventors:

Jonathan Segev, Sunnyvale, CA (US);

Qinghua Li, San Ramon, CA (US);

Benny Abramovsky, Petah Tikva, IL;

Feng Jiang, Santa Clara, CA (US);

Assignee:

Intel IP Corporation, Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 12/00 (2009.01); H04W 12/10 (2009.01); H04J 3/06 (2006.01); H04L 5/00 (2006.01); H04L 27/26 (2006.01); H04W 72/04 (2009.01); H04W 72/12 (2009.01);
U.S. Cl.
CPC ...
H04W 12/0013 (2019.01); H04J 3/0667 (2013.01); H04L 5/0023 (2013.01); H04L 5/0048 (2013.01); H04L 5/0082 (2013.01); H04L 27/2613 (2013.01); H04W 12/1006 (2019.01); H04W 72/0446 (2013.01); H04W 72/1278 (2013.01);
Abstract

Methods, apparatus, and computer-readable media are described to encode a trigger frame for a second station (STA2). A first sounding frame for the STA2 is generated. The first timestamp is associated with a transmission of the first sounding frame. A second sounding frame from the STA2 based upon the first sounding frame is decoded. The second sounding frame includes a holding time indication associated with a second timestamp and a third timestamp. A fourth timestamp is associated with receiving the second sound frame. The holding time indication is protected. A round-trip time is calculated based upon the first timestamp, the holding time indication, and the fourth timestamp.


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