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Volume 30 Issue 3
Dec.  2010
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Wang Tian-jing, Yang Zhen, Hu Hai-feng. An Event Driven Clustering Algorithm Based on Spatial Correlation in Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2008, 30(3): 699-702. doi: 10.3724/SP.J.1146.2007.00120
Citation: Wang Tian-jing, Yang Zhen, Hu Hai-feng. An Event Driven Clustering Algorithm Based on Spatial Correlation in Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2008, 30(3): 699-702. doi: 10.3724/SP.J.1146.2007.00120

An Event Driven Clustering Algorithm Based on Spatial Correlation in Wireless Sensor Networks

doi: 10.3724/SP.J.1146.2007.00120
  • Received Date: 2007-01-19
  • Rev Recd Date: 2007-09-17
  • Publish Date: 2008-03-19
  • Clustering algorithm is a kind of key technique used to reduce energy consumption, which can increase network scalability and lifetime. Considering spatial data correlation of sensor nodes, a novel Event Driven Clustering Algorithm (EDCA) based on spatial correlation in wireless sensor networks is proposed. According to the user-provided error-tolerance threshold and spatial data correlation Markovian model, the algorithm divides the event sensing range into dummy polar coordinate equal layer. Only one node per equal layer is selected as cluster-head by present maximal remainder energy. Mobile agent collects sensing information of cluster-heads. The mechanism reduces the number of transmission and saves energy efficiently.
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  • Akyildiz I F, Su W, and Sankarasubramaniam Y, et al..Wireless sensor networks: A survey [J].Computer Networks.2002, 38(4):393-422[2]Estrin D, Govindan R, and Heidemann J, et al.. Next centurychallenges: Scalable coordination in sensor networks [A]. In:ACM MobiCom' 99 [C]. Washington, USA, 1999: 263-270.[3]Li Dan, Kerry D Wong, and Yu Hen Hu, et al.. Detectionclassification, and tracking of targets [J]. IEEE SignalProcessing Magazine, 2002, 19(2): 17-29.[4]Qi H, Iyengar S S, and Chakrabarty K. Multiresolution dataintegration using mobile agents in distributed sensornetworks[J].IEEE Trans. on Systems, Man and CyberneticsPart C: Applications and Rev.2001, 31(3):383-391[5]Yoon S and Shahabi C. Exploiting spatial correlationtowards an energy efficient clustered aggregation technique(CAG). Proceedings of the IEEE International Conference onCommunications 2005, Seoul , Korea, May 2005: 82-98.[6]Jindal A and Psounis K. Modeling spatially-correlated sensornetwork data. in 2004 First Annual IEEE CommunicationsSociety Conference. on Sensor and Ad hoc Communicationsand Networks, IEEE SECON. Piscataway, UJ, USA, 2004:162-171.[7]Heinzelman W R, Chandrakasan A, and Balakrishnan H.Energy-efficient communication protocol for wirelessmicrosensor networks. in Proceedings of the 33rd AnnualHawaii International Conference on System Sciences, Hawaii,Jan. 2000: 3005-3014.
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