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:
Jul. 18, 2017

Filed:

Jun. 12, 2012
Applicants:

Kenichi Abe, Tokyo, JP;

Yuichiro Ezure, Tokyo, JP;

Hiroyuki Iizuka, Tokyo, JP;

Toru Yamamoto, Tokyo, JP;

Hidehiro Endou, Tokyo, JP;

Inventors:

Kenichi Abe, Tokyo, JP;

Yuichiro Ezure, Tokyo, JP;

Hiroyuki Iizuka, Tokyo, JP;

Toru Yamamoto, Tokyo, JP;

Hidehiro Endou, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/24 (2006.01); H04W 40/02 (2009.01); H04W 4/00 (2009.01); H04L 29/08 (2006.01); H04W 40/22 (2009.01); H04L 12/753 (2013.01); H04W 84/18 (2009.01);
U.S. Cl.
CPC ...
H04L 41/12 (2013.01); H04L 45/48 (2013.01); H04L 67/12 (2013.01); H04W 4/006 (2013.01); H04W 40/02 (2013.01); H04W 40/22 (2013.01); H04W 84/18 (2013.01);
Abstract

A sensor network systemis provided with a plurality of sensor nodes, . . . and configured to decide a parent node for each of the plurality of sensor nodes so as to form a network topology having a tree structure using each of the plurality of sensor nodes as a node. The sensor network system forms the network topology so that, with respect to each of the plurality of sensor nodes, the number of child nodes owned by the sensor node is close to a value obtained by multiplying a maximum containing number, which is a maximum number of sensor data that can be contained by one packet, by a natural number ().


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