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:
Dec. 12, 2017

Filed:

Sep. 01, 2015
Applicant:

Microsoft Technology Licensing, Llc, Redmond, WA (US);

Inventors:

Mark W. Casebolt, Seattle, WA (US);

Peter Hoang, Snoqualmie, WA (US);

Vicky Svidenko, Newcastle, WA (US);

David W. Russo, Woodinville, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04W 72/08 (2009.01); H04W 74/08 (2009.01); H04W 84/12 (2009.01); H04W 16/14 (2009.01); H04W 36/06 (2009.01);
U.S. Cl.
CPC ...
H04L 43/16 (2013.01); H04W 72/082 (2013.01); H04W 72/085 (2013.01); H04W 74/0808 (2013.01); H04W 16/14 (2013.01); H04W 36/06 (2013.01); H04W 84/12 (2013.01);
Abstract

The disclosed subject matter includes techniques for performing a channel availability check. A method includes initiating, via a processor of a master device, a first connection on a first wireless channel with a subordinate device and transmitting, via the processor, a beacon to the subordinate device. The method includes monitoring, via the processor, the first wireless channel for a first predetermined amount of time for a connection request from the subordinate device in response to the beacon. The method includes performing the channel availability check to detect energy profiles on a second wireless channel for a second predetermined amount of time after the first predetermined amount of time. The processor may cycle between transmitting the beacon and monitoring the first wireless channel and performing the channel availability check on the second wireless channel until a threshold time is exceeded, the connection request is detected, or an energy profile is detected.


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