Proactive and reactive transmission power control for energy-efficient on-body communications

Sensors
Mónica VallejoJosé L Ayala

Abstract

In wireless body sensor network (WBSNs), the human body has an important effect on the performance of the communication due to the temporal variations caused and the attenuation and fluctuation of the path loss. This fact suggests that the transmission power must adapt to the current state of the link in a way that it ensures a balance between energy consumption and packet loss. In this paper, we validate our two transmission power level policies (reactive and predictive approaches) using the Castalia simulator. The integration of our experimental measurements in the simulator allows us to easily evaluate complex scenarios, avoiding the difficulties associated with a practical realization. Our results show that both schemes perform satisfactorily, providing overall energy savings of 24% and 22% for a case of study, as compared to the maximum transmission power mode.

References

Jul 18, 2002·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·A M Prentice, S A Jebb
Jul 27, 2005·IEEE Transactions on Bio-medical Engineering·Qinghui TangLoren Schwiebert
Nov 10, 2006·The American Journal of Clinical Nutrition·Ashima K Kant, Barry I Graubard
Nov 22, 2008·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·A J O'Sullivan
Nov 30, 2012·IEEE Journal of Biomedical and Health Informatics·Seungku KimDoo-Seop Eom

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Citations

Dec 20, 2018·Sensors·Hongyun ZhangLe Chung Tran

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Methods Mentioned

BETA
chip
chips

Software Mentioned

omnetpp
Mica2Mote
pathlossMap
FreeRTOS
TemporalModel
OMNeT
InterfModel
MicaZ
MATLAB Statistics Toolbox
OMNeT + +

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