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. 2005:2005:2451-4.
doi: 10.1109/IEMBS.2005.1616964.

An Ultra-low-power Medium Access Control Protocol for Body Sensor Network

Huaming Li  1 , Jindong Tan
Affiliations

An Ultra-low-power Medium Access Control Protocol for Body Sensor Network

Huaming Li et al. Conf Proc IEEE Eng Med Biol Soc. 2005.

Abstract

In this paper, a medium access control (MAC) protocol designed for Body Sensor Network (BSN-MAC) is proposed. BSN-MAC is an adaptive, feedback-based and IEEE 802.15.4-compatible MAC protocol. Due to the traffic coupling and sensor diversity characteristics of BSNs, common MAC protocols can not satisfy the unique requirements of the biomedical sensors in BSN. BSN-MAC exploits the feedback information from the deployed sensors to form a closed-loop control of the MAC parameters. A control algorithm is proposed to enable the BSN coordinator to adjust parameters of the IEEE 802.15.4 superframe to achieve both energy efficiency and low latency on energy critical nodes. We evaluate the performance of BSN-MAC using energy efficiency as the primary metric.

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