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International Conference on Instrumentation, Measurement, Circuits and Systems (ICIMCS 2011)

Chen Ming
Chen Ming
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Conventional MAC protocols for wireless sensor network perform poorly when faced with a delay-tolerant mobile network environment. Characterized by a highly dynamic and sparse topology, poor network connectivity as well as data delay-tolerance, delay-tolerant mobile sensor networks exacerbate the severe power constraints and memory limitations of nodes. This paper proposes a simple and effective MAC protocol dubbed AE-MAC according to the characteristics of the delay tolerant sensor networks. AE-MAC introduces a data transfer scheme initiated by the sinker in order to implement the effective transmission, reduce the transmission fail rate, thus improve the performance of energy saving , throughput and latency. Also, an adaptive strategy to achieve energy efficiency is introduced in AE-MAC. The experiments show that comparing with the traditional MAC protocols, AE-MAC consumes less energy, reduces the one hop delay and increases the throughput in the highly dynamic networks.

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