Efficient Data Collection with Path Constrained Mobile Sinks Using Shortest Path Member Assignment Scheme in WSNs

Provided by: International Journal of Emerging Technology and Advanced Engineering (IJETAE)
Topic: Mobility
Format: PDF
A crucial issue for data collection in wireless sensor networks is that the energy consumption of the sensor nodes placed near the sink is very high. This is because the sensors placed near the sink have to forward the data to the sink on behalf of others resulting in the depletion of energy quickly, which will lead to network partitioning and limitation in the network lifetime. In order to solve this issue, mobile sinks are introduced, which changes their location when then nearby sensor's energy becomes low. Thus the sensors placed near sinks always change over time. According to the recent study, it has been proved that that the sink mobility along a constrained path can improve energy efficiency in wireless sensor networks.

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