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. 02, 2018

Filed:

Aug. 05, 2016
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Aleksandar Damnjanovic, Del Mar, CA (US);

Qingsi Wang, San Diego, CA (US);

Maarten Menzo Wentink, Naarden, NL;

Marco Papaleo, Nuremberg, DE;

Srinivas Yerramalli, San Diego, CA (US);

Onkar Jayant Dabeer, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04W 74/02 (2009.01); H04W 74/08 (2009.01); H04L 5/00 (2006.01); H04W 16/14 (2009.01); H04W 72/12 (2009.01); H04W 88/10 (2009.01); H04W 88/02 (2009.01);
U.S. Cl.
CPC ...
H04W 72/0453 (2013.01); H04L 5/0007 (2013.01); H04W 16/14 (2013.01); H04W 72/1231 (2013.01); H04W 74/02 (2013.01); H04W 74/085 (2013.01); H04W 74/0808 (2013.01); H04W 72/1215 (2013.01); H04W 88/02 (2013.01); H04W 88/10 (2013.01);
Abstract

Techniques for adjusting a contention window (CW) for transmissions in a shared radio frequency spectrum band may include identifying a number of nodes attempting to transmit using a channel of a shared radio frequency spectrum band and determining a target CW based on the number of nodes attempting to transmit. A new CW value may then be determined based on a prior CW value and the target CW value, and a listen-before-talk (LBT) procedure (e.g., a clear channel assessment (CCA)) to access the channel of the shared radio frequency spectrum band may be performed to access the channel.


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