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Volume 27 Issue 12
Dec.  2005
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Yang Shao-jun, Shi Hao-shan, Huang Rui. Study of Spatio-Temporal Information Integration Framework Based on Directed Diffusion and Mobile-Agent for Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2005, 27(12): 1994-1999.
Citation: Yang Shao-jun, Shi Hao-shan, Huang Rui. Study of Spatio-Temporal Information Integration Framework Based on Directed Diffusion and Mobile-Agent for Wireless Sensor Networks[J]. Journal of Electronics & Information Technology, 2005, 27(12): 1994-1999.

Study of Spatio-Temporal Information Integration Framework Based on Directed Diffusion and Mobile-Agent for Wireless Sensor Networks

  • Received Date: 2004-06-10
  • Rev Recd Date: 2005-03-22
  • Publish Date: 2005-12-19
  • In wireless sensor networks, the nodes with valued information are usually space-time varying. This paper presents a framework for spatio-temporal information integration based on directed diffusion and mobile agent. In the framework, the bi-direction gradients are constructed by the flood of the observers interest and the sensors Object Detected Signal (ODS). ODSs are collected and analyzed to program the visiting itineraries for mobile agents during a rhythm which is a period of time triggered by an ODS message, the space-time integration is completed by mobile agents with fusion algorithms accessing the nodes on the path. A rhythm acts as a label for spatial processing, and thus the series of rhythms become a time axis for temporal integration. In addition, the relations among some key parameters of framework are discussed. Finally, results based on experiments of collaborative target recognition demonstrate the effectiveness of the proposed framework.
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