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:
Apr. 28, 2015

Filed:

Jan. 28, 2013
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Ehab Tahir, Mississauga, CA;

Anthony Cowan, Ocala, FL (US);

John Fraser Chappel, Mississauga, CA;

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/413 (2006.01); H04W 24/10 (2009.01); H04W 74/08 (2009.01);
U.S. Cl.
CPC ...
H04L 12/413 (2013.01); H04W 24/10 (2013.01); H04W 74/0841 (2013.01);
Abstract

A transmission frame is communicated to cause a media idle measurement period on a contention based communication media. The media idle measurement period (i.e., 'quiet period') provides a period of inactivity on the communications medium that may be used to detect for the presence of foreign signals such as radio broadcast interference, noise, or other signals, or may be used for calibration of circuitry coupled to the communications medium. Idle measurement periods may be caused regularly (e.g., periodically). The transmission frame may include an explicit instruction for the media idle measurement period or may cause the media idle measurement period by simulating a collision on the communications media.


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