Operating method of wireless sensor networks considering...

Details Operating method of wireless sensor networks considering... Operating method of wireless sensor networks considering...

2011-03-29

2011-03-29

Nguyen, Hung T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539100, C340S539220, C340S539260, C370S328000, C370S338000, C709S224000

Reexamination Certificate

active

07916017

ABSTRACT:
Provided is a wireless sensor network operating method considering energy efficiency. The method for operating a wireless sensor network including clusters of sensor nodes includes: selecting a cluster head based on residual energy amounts of the sensor nodes by increasing a probability that a sensor node with a greater amount of residual energy than the others is selected as a cluster head; transmitting an advertisement message from the selected cluster head to the sensor nodes to form a cluster; and transmitting sensing data acquired in each sensor node to the cluster head. Accordingly, this method can extend lifespan of sensor nodes by not transmitting/receiving data on residual energy amounts and positions between sensor nodes, and increase the entire lifespan of a wireless sensor network by reducing a probability that a sensor node having a relatively small residual energy amount is selected as a cluster head consuming much energy.

REFERENCES:
patent: 7505874 (2009-03-01), Bley et al.
patent: 10-2006-0055635 (2006-05-01), None

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