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Journal of Sensors
Volume 2015 (2015), Article ID 315948, 10 pages
Research Article

Internet of Vehicles for E-Health Applications in View of EMI on Medical Sensors

1School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
2Communication Technology Research Center, Harbin Institute of Technology, Harbin 150000, China
3Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada H3A 0G4
4Department of Computer and Telecommunications Engineering, University of Western Macedonia, Greece
5Lulea University of Technology, 193187 Lulea, Sweden

Received 4 December 2014; Revised 17 February 2015; Accepted 19 February 2015

Academic Editor: Banshi D. Gupta

Copyright © 2015 Di Lin et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Wireless technologies are pervasive to support ubiquitous healthcare applications. However, RF transmission in wireless technologies can lead to electromagnetic interference (EMI) on medical sensors under a healthcare scenario, and a high level of EMI may lead to a critical malfunction of medical sensors. In view of EMI to medical sensors, we propose a joint power and rate control algorithm under game theoretic framework to schedule data transmission at each of wireless sensors. The objective of such a game is to maximize the utility of each wireless user subject to the EMI constraints for medical sensors. We show that the proposed game has a unique Nash equilibrium and our joint power and rate control algorithm would converge to the Nash equilibrium. Numerical results illustrate that the proposed algorithm can achieve robust performance against the variations of mobile hospital environments.