无线体征监测系统的低功耗调度方法

doi:10.3724/SP.J.1087.2012.00839

计算机应用 ›› 2012, Vol. 32 ›› Issue (03): 839-842.DOI: 10.3724/SP.J.1087.2012.00839

无线体征监测系统的低功耗调度方法

刘浩,李伟民,李晓丽

数字化纺织服装技术教育部工程研究中心(东华大学),上海 201620

收稿日期:2011-08-29 修回日期:2011-12-08 发布日期:2012-03-01 出版日期:2012-03-01
通讯作者: 刘浩
作者简介:刘浩(1977-),男,四川达州人,讲师,博士,主要研究方向:信息智能处理、体域传感器;李伟民(1952-),男,上海人,副教授,主要研究方向:工业自动化;李晓丽(1980-),女,河南焦作人,讲师,博士,主要研究方向:分布式协作控制。
基金资助:
教育部数字化纺织服装技术工程研究中心开放基金资助项目(2009-12)。

Low-power scheduling scheme for wireless physiological monitoring system

LIU Hao, LI Wei-min, LI Xiao-li

Engineering Research Center of Digitized Textile and Fashion Technology (Donghua University), Ministry of Education, Shanghai 201620, China

Received:2011-08-29 Revised:2011-12-08 Online:2012-03-01 Published:2012-03-01

摘要/Abstract

摘要： 基于超宽带(UWB)体域网和异构的生理传感器,设计了可对多种生理信息进行实时采集与处理的无线体征监测系统,并针对此类系统提出了基于体征状态机的低功耗调度方法,以便长期监测人体的健康与安全。在该调度方法中,协调器根据系统的体征状态机自适应地确定下一监测周期的传感器集合,并控制相应的生理传感器进行协同工作。仿真结果表明在同样的监测情况下,建议的调度方法有效减少了多生理传感器的不必要运行和无线传输的数据量,从而延长了整个监测系统的工作寿命。

关键词: 体域网, 体征监测, 异构的生理传感器, 低功耗调度

Abstract: Based on Ultra-WideBand (UWB) Body Area Network (BAN) and heterogeneous biosensors, a kind of wireless physiological monitoring system was designed, which could acquire and process multiple physiological signals. For reducing the total energy consumption, a low-power scheduling scheme was further proposed so as to provide long-term continuous sensing for wearer's health and safety. According to the physiological state machine of the monitoring system, a coordinator could adaptively determine the biosensor set for next monitoring cycle, and those selected biosensors can cooperatively process the heterogeneous data. The simulation results show that with the same monitoring conditions, the proposed scheme can effectively reduce the biosensor's invalid operation and wireless data transmission, and thus extend the operational lifetime of the BAN-based monitoring system.

Key words: Body Area Network (BAN), physiological monitoring, heterogeneous biosensor, low-power scheduling

中图分类号:

TP212.9

刘浩李伟民李晓丽. 无线体征监测系统的低功耗调度方法[J]. 计算机应用, 2012, 32(03): 839-842.

LIU Hao LI Wei-min LI Xiao-li. Low-power scheduling scheme for wireless physiological monitoring system[J]. Journal of Computer Applications, 2012, 32(03): 839-842.

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无线体征监测系统的低功耗调度方法

Low-power scheduling scheme for wireless physiological monitoring system

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