Robust distributed estimation using efficient sensor-fault detection in sensor networks

Pei Yin Chen, Li Yuan Chang, Yi Ming Lin, Chih Yuan Lien, Ching Sung Chen

研究成果: Conference contribution

摘要

A robust distributed estimation scheme for fusion center in the presence of sensor faults via collaborative sensor fault detection (CSFD) was proposed in our previous research [9]. The scheme can identify the faulty nodes efficiently and improve the accuracy of the estimates significantly. It achieves very good performance at the expense of such extensive computations as logarithm and division in the detecting process. In many real-time WSN applications, the fusion center might be implemented in an ASIC and included in a standalone device. Therefore, a simple and efficient distributed estimation scheme requiring lower computational complexity is extremely desired for fusion center. In this paper, we propose the efficient collaborative sensor fault detection (ECSFD) scheme. A simple method for measuring faulty weight of sensors is designed in ECSFD. Given the low computational complexity, it is suitable for hardware implementation. Simulation results indicate the accuracy of the estimates obtained from the ECSFD better than that obtained from a conventional approach when applied in sensor networks.

原文English
主出版物標題2010 2nd International Symposium on Aware Computing, ISAC 2010 - Symposium Guide
頁面38-43
頁數6
DOIs
出版狀態Published - 2010 十二月 1
事件2010 2nd International Symposium on Aware Computing, ISAC 2010 - Sapporo, Japan
持續時間: 2010 十一月 12010 十一月 4

出版系列

名字2010 2nd International Symposium on Aware Computing, ISAC 2010 - Symposium Guide

Other

Other2010 2nd International Symposium on Aware Computing, ISAC 2010
國家Japan
城市Sapporo
期間10-11-0110-11-04

All Science Journal Classification (ASJC) codes

  • Computational Theory and Mathematics
  • Computer Science Applications

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