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:
May. 15, 2018

Filed:

Oct. 12, 2016
Applicant:

Landis+gyr Innovations, Inc., Alpharetta, GA (US);

Inventors:

Vidya Prakash, Alpharetta, GA (US);

Saurabh Jain, Ghazibad, IN;

Christopher Scott Hett, Smyrna, GA (US);

Assignee:

LANDIS+GYR INNOVATIONS, INC., Alpharetta, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04W 52/02 (2009.01); H04W 56/00 (2009.01); H04B 1/713 (2011.01); H04W 40/00 (2009.01); H04L 5/00 (2006.01); H04H 20/38 (2008.01);
U.S. Cl.
CPC ...
H04W 56/001 (2013.01); H04B 1/713 (2013.01); H04H 20/38 (2013.01); H04L 5/0055 (2013.01); H04W 40/005 (2013.01); H04W 72/0446 (2013.01);
Abstract

Systems and methods are disclosed for synchronizing communications between a parent device operating on a time-slotted channel hopping (TSCH) protocol and a low-energy network device operating on a low-energy channel hopping protocol. The parent device sub-divides TSCH timeslots and communicates with adjacent TSCH devices during a primary portion of the timeslot and listens for communications from a connected low-energy device during the secondary portion of the timeslot. Upon receiving a synchronization request from a low-energy device, the TSCH device transmits a synchronization response comprising synchronization data. The synchronization data allows the low-energy device to synchronize communications with the TSCH network by synchronizing with the channel hopping pattern of the TSCH protocol.


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