Dynamic Sleep Control Using Location Based Clustering Scheme in Mobile Sensor Networks

Shiokawa, Shigeki; Chen, Daqi
February 2016
Wireless Personal Communications;Feb2016, Vol. 86 Issue 4, p1931
Academic Journal
In wireless sensor networks, saving energy consumption is an important issue and one of key techniques to save energy is a clustering. There are several location based clustering schemes. In these schemes, a network area is divided into plural subareas, and one node is selected as a cluster head in each subarea. Making all nodes except cluster heads sleep, these schemes can save energy consumption of sensor nodes. However, they don't consider the mobility of nodes and also set a constant sleep interval. Therefore, in this paper, we propose a new sleep control using location based clustering scheme in mobile sensor networks. Our proposed scheme selects a cluster head on the basis of not only residual energy but also estimated staying time in a subarea. Moreover, the sleep interval is determined dynamically according to the above staying time. By computer simulations, we show the effectiveness of the proposed scheme.


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