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Impact of mobile sink forwireless sensor networks considering goodput and routing efficiency metrics

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5 Author(s)
Tao Yang ; JSPS Fellow Researcher, Fukuoka Inst. of Technol. (FIT), Fukuoka, Japan ; Mino, G. ; Barolli, L. ; Durresi, A.
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Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. The sensors themselves can range from small passive micro-sensors to larger scale, controllable weather-sensing platforms. In this work, we investigate how the sensor network performs in the case when the sink node moves. We consider as a metrics for evaluation goodput and Routing Efficiency (RE). We compare the simulation results when the sink node is mobile and stationary considering lattice topology using AODV protocol. The simulation results have shown that for the case of mobile sink, the goodput is better when the number of nodes is 16. However, when the number of nodes are 100 and 256, the goodput of mobile sink is worse than stationary sink when the values Tr is larger than 1pps. For both stationary and mobile sinks, the RE increases with the increase of number of sensor nodes, but the RE of mobile sink is better than the stationary sink.

Published in:

World Automation Congress (WAC), 2010

Date of Conference:

19-23 Sept. 2010

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