Electrical computers and digital processing systems: multicomput – Network computer configuring – Reconfiguring
Reexamination Certificate
2008-10-09
2011-11-08
Lazaro, David (Department: 2455)
Electrical computers and digital processing systems: multicomput
Network computer configuring
Reconfiguring
C709S201000, C709S209000, C700S003000, C370S254000
Reexamination Certificate
active
08055740
ABSTRACT:
A wireless sensor network system and a cluster management method thereof. The wireless sensor network system includes at least one cluster having at least one sensor node for collecting sensing data, and a cluster head for aggregating the sensing data from the at least one sensor node. A sink node collects the aggregated sensing data from the at least one cluster, wherein the cluster head of a first cluster determines a cluster size of the first cluster, and when the first cluster is a master cluster and the cluster size of the first cluster is less than a threshold size, merges, the first cluster into a second master cluster, and switches the first cluster to a slave cluster. In each cluster, management efficiency can thereby be maintained within a specified range, and the lifetime of a wireless sensor network can be prolonged by reducing energy consumption.
REFERENCES:
Kim et al., “Energy-Efficient Clustering Algorithm in Wireless Sensor Networks” EUC 2006, LNCS vol. 4096, pp. 1078-1088.
Choi Hyo Hyun
Kim Eui Jik
Cha & Reiter LLC
Lazaro David
Samsung Electronics Co,. Ltd.
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