Microbiology & Immunology - Research Publications

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End date: 2011 × Start date: 2011 × Type: Conference Paper ×

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    Energy Efficient Time Synchronization in WSN for Critical Infrastructure Monitoring
    Rao, AS ; Gubbi, J ; Tuan, N ; Nguyen, J ; Palaniswami, M ; Wyld, DC ; Wozniak, M ; Chaki, N ; Meghanathan, N ; Nagamalai, D (SPRINGER-VERLAG BERLIN, 2011-01-01)
    Wireless Sensor Networks (WSN) based Structural Health Monitoring (SHM) is becoming popular in analyzing the life of critical infrastructure such as bridges on a continuous basis. For most of the applications, data aggregation requires high sampling rate. A need for accurate time synchronization in the order of 0.6 − 9 μs every few minutes is necessary for data collection and analysis. Two-stage energy-efficient time synchronization is proposed in this paper. Firstly, the network is divided into clusters and a head node is elected using Low-Energy Adaptive Clustering Hierarchy based algorithm. Later, multiple packets of different lengths are used to estimate the delay between the elected head and the entire network hierarchically at different levels. Algorithmic scheme limits error to 3-hop worst case synchronization error. Unlike earlier energy-efficient time synchronization schemes, the achieved results increase the lifetime of the network.
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    Precision Medicine: Dawn of Supercomputing in ‘omics Research
    Reumann, M ; Holt, KE ; Inouye, M ; Stinear, T ; Goudey, B ; Abraham, G ; WANG, Q ; Shi, F ; Kowalczyk, A ; Pearce, A ; Isaac, A ; Pope, BJ ; Butzkueven, H ; Wagner, J ; Moore, S ; Downton, M ; Church, PC ; Turner, SJ ; Field, J ; Southey, M ; Bowtell, D ; Schmidt, D ; Makalic, E ; Zobel, J ; Hopper, J ; Petrovski, S ; O'Brien, T (eResearch Australasia, 2011)