Autoregressive energy-efficient context forwarding in wireless sensor networks for pervasive healthcare systems

Anagnostopoulos, C., Hadjiefthymiades, S., Katsikis, A. and Maglogiannis, I. (2014) Autoregressive energy-efficient context forwarding in wireless sensor networks for pervasive healthcare systems. Personal and Ubiquitous Computing, 18(1), pp. 101-114. (doi:10.1007/s00779-012-0621-3)

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Publisher's URL: http://dx.doi.org/10.1007/s00779-012-0621-3

Abstract

Driven by technological advances in low-power network systems and medical sensors, we have witnessed during the recent years the adoption of wireless sensor networks (WSNs) in electronic healthcare. Improving the quality of electronic healthcare and the prospects of ‘ageing in place’ through WSNs requires solving difficult problems in scale, energy management, and data acquisition. Medical and pervasive healthcare application (or mobile healthcare application) based on WSNs is influenced by many factors such as transmission errors and power consumption. We propose a multivariate context forwarding model that achieves energy-efficient WSN operation. A node adopts multivariate autoregression for forecasting contextual information (bio-signals or vital parameters) and locally decides whether context retransmission is required or not. This scheme is applied in patient telemonitoring systems where accurate yet energy-aware transmission of bio-signals to a remote control unit is crucial. Simulation results are reported indicating the capability of the proposed model in minimizing energy consumption in WSNs having as application domain the electronic healthcare systems.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Anagnostopoulos, Dr Christos
Authors: Anagnostopoulos, C., Hadjiefthymiades, S., Katsikis, A., and Maglogiannis, I.
College/School:College of Science and Engineering > School of Computing Science
Journal Name:Personal and Ubiquitous Computing
Publisher:Springer Verlag
ISSN:1617-4909
ISSN (Online):1617-4917

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