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2013 (Vol. 5, Issue: 15)
Article Information:

The Research of Sink Mobile Strategy based on Gravitational Field in WSN

Yi Liu, Yi Zhu and Shu Yan
Corresponding Author:  Yi Zhu 

Key words:  Gravitational field intensity, network lifetime, overflow rate, WSN, , ,
Vol. 5 , (15): 3992-3995
Submitted Accepted Published
November 24, 2012 December 23, 2012 April 25, 2013

The mobile trajectory design of sink in WSN is the core research issue. This study models the data-gathering process in WSN as gravitation attraction between any two objects and proposes a moving strategy of sink in WSN based on Gravitational field. Sink tends to move to the direction where the sensor node with the highest gravitational field intensity. The strategy considers several factors affecting the network performance, including sensor node residual energy, the sink access time interval for sensor node and the distance between sensor node and sink. The simulation results show that this strategy can effectively balance node load, reduce the packet overflow rate, prolong network lifetime and improve network performance.
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  Cite this Reference:
Yi Liu, Yi Zhu and Shu Yan, 2013. The Research of Sink Mobile Strategy based on Gravitational Field in WSN.  Research Journal of Applied Sciences,Engineering and Technology, 5(15): 3992-3995.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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