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US 2009/0154395 A1Published application
Wireless sensor network having hierarchical structure and routing method thereof
AssigneesElectronics and Telecommunications Research Institute, Fumate Co., Ltd
InventorsHyeon PARK, Young Hwan HAM, Sang Joon PARK, Jeong Man WOO
Life of this patent
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Abstract
A network having a hierarchical structure includes a plurality of clusters. Each of the clusters includes a plurality of nodes and a cluster head connected to the nodes in a mesh format. Each of the nodes is connected to other clusters via the cluster head.
Claims11
A network having a hierarchical structure, the network comprising:
- a plurality of clusters, each cluster comprising:
- a plurality of nodes;
- and
- a cluster head connected to the nodes in a mesh format, wherein each of the nodes is connected to other clusters via the cluster head.
1 more element
A routing method of setting a path from a current node to a target node in a network having a hierarchical structure, the method comprising:
- receiving routing information including link quality information and status information of neighbor nodes of the current node;
- selecting a node that maximizes quality of a path from each of the neighbor nodes to the target node using the link quality information and the status information;
- and
- flooding a routing entry table using the selected node as a parent node, to the neighbor nodes.
1 more element
Dependencies are inferred from the claim text.