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.
Patent No.:
Date of Patent:
Mar. 08, 2016
Filed:
Sep. 14, 2012
Applicant:
Seong-soon Joo, Daejeon, KR;
Inventor:
Seong-Soon Joo, Daejeon, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/04 (2009.01); H04W 52/02 (2009.01); H04L 29/14 (2006.01); H04J 3/06 (2006.01); H04L 1/16 (2006.01); H04L 1/18 (2006.01); H04W 56/00 (2009.01); H04W 4/00 (2009.01);
U.S. Cl.
CPC ...
H04W 52/0216 (2013.01); H04W 52/0229 (2013.01); H04L 1/16 (2013.01); H04L 1/1858 (2013.01); H04W 4/005 (2013.01); H04W 52/0219 (2013.01); H04W 56/001 (2013.01); H04W 56/0075 (2013.01);
Abstract
The present invention provides a time synchronization method in a low energy critical infrastructure monitoring network and a coordinate access method using a superframe. According to the exemplary embodiments of the present invention, time synchronization can be promptly and efficiently performed in the low energy critical infrastructure monitoring network, a link access method with three grades of link access can be provided, and a frame structure and a process for link generation, link management, and extended connection are provided.