Data aggregation for wireless sensor networks using self-organizing map

  • Authors:
  • SangHak Lee;TaeChoong Chung

  • Affiliations:
  • Ubiquitous Computing Research Center, Korea Electronics Technology Institute, SungNam-Si, KyungGi-Do, Korea;Department of Computer Engineering, KyungHee University, YongIn-Si, KyongGi-Do, Korea

  • Venue:
  • AIS'04 Proceedings of the 13th international conference on AI, Simulation, and Planning in High Autonomy Systems
  • Year:
  • 2004

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Abstract

Sensor Networks have recently emerged as a ubiquitous computing platform. However, the energy constrained and limited computing resources of the sensor nodes present major challenges in gathering data. In this work, we propose a self-organizing method for aggregating data in ad-hoc wireless sensor networks. We present new network architecture, CODA (Cluster-based self-Organizing Data Aggregation), based on the Kohonen Self-Organizing Map to aggregate sensor data in cluster. Before deploying the network, we train the nodes to have the ability to classify the sensor data. Thus, it increases the quality of data and reduces data traffic as well as energy-conserving. Our simulation results show that CODA increases the accuracy of data than traditional aggregation of database system. Finally, we show a real-world platform, TIP, on that we will implement the idea.