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Reconfigurable Wireless Sensor Node with Improved Autonomous Linearization

Authors:

Anuradha C Ranasinghe ,

Sri Lanka Institute of Information Technology, New Kandy Road, Malabe, LK
About Anuradha
Department of Electrical and Computer Engineering
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Lahiru K Rasnayake,

Sri Lanka Institute of Information Technology, New Kandy Road, Malabe, LK
About Lahiru
Department of Electrical and Computer Engineering
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M Kalyanapala

Sri Lanka Institute of Information Technology, New Kandy Road, Malabe, LK
About M
Department of Electrical and Computer Engineering
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Abstract

The usage of reconfigurable hardware in wireless sensor networks plays an important role which enables multi parameter estimation in complex environments. The need for vast sensor compatibility and sensor fusion will become crucial requirements as wireless sensor networks become autonomous and intelligent. Due to the non linear behaviour of sensors and analogue circuitry in the front end, such applications often require a rigorous software model to perform sensor linearization for best accuracy. This paper presents an implementation of a reconfigurable wireless sensor node based on a CMOS analogue multiplexer network supporting universal functions for different industrial sensors while being compact and energy efficient, which is conducive to wireless sensor networking. Further an accurate optimized and autonomous linearization technique based on rational interpolation is also presented in order to compensate non idealities of the sensor node. The concept, simulation results, prototype implementation with industrial components and the results of system integration are discussed in this paper to illustrate potential applications in mass scale data acquisition based on wireless sensor networks

International Journal on Advances in ICT for Emerging Regions 2014 07(02)

DOI: http://dx.doi.org/10.4038/icter.v7i2.7155

How to Cite: Ranasinghe, A.C., Rasnayake, L.K. & Kalyanapala, M., (2015). Reconfigurable Wireless Sensor Node with Improved Autonomous Linearization. International Journal on Advances in ICT for Emerging Regions (ICTer). 7(2), pp.1–8. DOI: http://doi.org/10.4038/icter.v7i2.7155
Published on 20 Apr 2015.
Peer Reviewed

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