Energy-efficient beacon listening scheme for periodic vital signal monitoring

Energy-efficient beacon listening scheme for periodic vital signal monitoring

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A new energy-efficient beacon listening scheme with a medium access control protocol is proposed for periodic vital signal monitoring in a wireless body area network system. The conventional system receives every beacon frame to adjust the protocol context; however, the proposed scheme receives only the necessary beacon frames. As a result, power consumption decreases by reducing idle listening times. The simulation results demonstrate that the proposed scheme reduces power consumption of the beacon mode to almost that of the non-beacon mode. Compared with the normal beacon mode, it reduces the power consumption by 25% when the traffic model is assumed to be electrocardiogram (ECG). This is suitable for devices monitoring periodic data such as an ECG application.


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      • 1. IEEE standard for local and metropolitan area networks – part 15.6: wireless body area networks’, IEEE Std. 802.15.6-2012.
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      • 8. Kiing, -Ing, W.: ‘Real-time heart rate variability detection on sensor node’. Proc. Sensors Applications Symp., 2009. SAS 2009, New Orleans, LA, February 2009, pp. 184187.

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