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用于无线体域网的QoS感知多级MAC层设计

Design of QoS-Aware Multi-Level MAC-Layer for Wireless Body Area Network.

作者信息

Hu Long, Zhang Yin, Feng Dakui, Hassan Mohammad Mehedi, Alelaiwi Abdulhameed, Alamri Atif

机构信息

School of Computer Science and Technology, Huazhong University of Science and Technology, Wuhan, China.

School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan, China.

出版信息

J Med Syst. 2015 Dec;39(12):192. doi: 10.1007/s10916-015-0336-x. Epub 2015 Oct 21.

Abstract

With the advances in wearable computing and various wireless technologies, there is an increasing trend to outsource body signals from wireless body area network (WBAN) to outside world including cyber space, healthcare big data clouds, etc. Since the environmental and physiological data collected by multimodal sensors have different importance, the provisioning of quality of service (QoS) for the sensory data in WBAN is a critical issue. This paper proposes multiple level-based QoS design at WBAN media access control layer in terms of user level, data level and time level. In the proposed QoS provisioning scheme, different users have different priorities, various sensory data collected by different sensor nodes have different importance, while data priority for the same sensor node varies over time. The experimental results show that the proposed multi-level based QoS provisioning solution in WBAN yields better performance for meeting QoS requirements of personalized healthcare applications while achieving energy saving.

摘要

随着可穿戴计算和各种无线技术的进步,将来自无线体域网(WBAN)的身体信号外包到包括网络空间、医疗大数据云等外部世界的趋势日益增强。由于多模态传感器收集的环境和生理数据具有不同的重要性,为WBAN中的传感数据提供服务质量(QoS)是一个关键问题。本文从用户级别、数据级别和时间级别出发,在WBAN媒体访问控制层提出了基于多级别QoS的设计。在所提出的QoS提供方案中,不同用户具有不同优先级,不同传感器节点收集的各种传感数据具有不同重要性,而同一传感器节点的数据优先级会随时间变化。实验结果表明,所提出的基于多级别QoS的WBAN提供解决方案在满足个性化医疗应用的QoS要求同时实现节能方面具有更好的性能。

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