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. 05, 2009

Filed:

Nov. 14, 2005
Applicants:

Seung-hwan OH, Suwon-si, KR;

Soon-jin Choi, Seongnam-si, KR;

Min-seop Jeong, Seoul, KR;

Jong-hun Park, Suwon-si, KR;

Inventors:

Seung-hwan Oh, Suwon-si, KR;

Soon-jin Choi, Seongnam-si, KR;

Min-seop Jeong, Seoul, KR;

Jong-hun Park, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04Q 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A beacon scheduling method and system in a network system. The beacon scheduling method of a router in a network system that includes at least one router, includes receiving a beacon signal from a parent node; calculating a difference between an address of the parent node and an address of the router; and setting the calculated difference to a beacon transmission offset of the router. Accordingly, all devices from the top to the bottom of the network can transmit their beacons without collisions, and thus the multi-hop tree structure can be established.


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