Intelligent Sensor Networks

Chapter 13

Data Cleaning in Low-Powered Wireless Sensor Networks

Qutub Ali Bakhtiar, Niki Pissinou, and Kia Makki

Contents

13.1 Introduction

13.2 Background

13.3 Data Cleaning Using TOAD

13.4 TOAD Architecture

13.5 Preamble

13.6 TOAD Components

13.6.1 Belief Component

13.6.1.1 Confidence Module

13.6.1.2 Error Detection and Correction Module

13.6.2 Smoothing Component

13.6.2.1 Temporal Filter

13.6.2.2 Average Filter

13.6.2.3 Tap-Exchange

13.6.3 Arbitration

13.7 Case Study

13.8 Summary

References

13.1 Introduction

A wireless sensor network (WSN) [1] is a special kind of a peer-to-peer (P2P) network where the nodes communicate with the sink wirelessly to transmit the sensed information. In contemporary ...