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. 02, 2019

Filed:

Nov. 25, 2016
Applicant:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Inventors:

Geon Min Yeo, Daejeon-si, KR;

Young Il Kim, Daejeon-si, KR;

Dae Geun Park, Daejeon-si, KR;

Soon Yong Song, Daejeon-si, KR;

Yong Tae Lee, Daejeon-si, KR;

Hyun Woo Lee, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/70 (2018.01); H04W 74/08 (2009.01); H04W 52/02 (2009.01); H04W 74/00 (2009.01); H04W 84/20 (2009.01);
U.S. Cl.
CPC ...
H04W 4/70 (2018.02); H04W 52/0216 (2013.01); H04W 74/0808 (2013.01); H04W 74/002 (2013.01); H04W 84/20 (2013.01); Y02D 70/144 (2018.01);
Abstract

A control method for collision avoidance in low power wireless sensor communication including a center node and a plurality of neighbor nodes includes assigning a seed to a neighbor node associated with a center node, updating, by the neighbor node, the seed at each radio frame, determining, by the neighbor node, a criterion for performing communication, and transmitting data in a next slot according to a result of carrier sensing is provided.


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