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Building Sensor Networks by Krzysztof Iniewski, Ioanis Nikolaidis

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9

Challenges in Wireless Chemical Sensor Networks

Saverio De Vito

CONTENTS

9.1  Introduction

9.2  Module Calibration and Sensor Stability

9.3  Energy Efficiency in WCSN

9.4  Duty Cycle and Power Consumption

9.5  Power Saving Using Sensor Censoring

9.6  3-D Reconstruction

9.7  Conclusions

Acknowledgments

References

9.1  INTRODUCTION

The capability to detect and quantify chemicals in the atmosphere, together with their concentrations, is a source of valuable information for many safety and security applications, ranging from pollution monitoring to detection of explosives and drug factories. Several gases are considered responsible for respiratory illness in people, and some of them (e.g., benzene) are known to induce cancers in the case ...

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