QoS-Aware Buffer-Aided Relaying Implant WBAN for Healthcare IoT: Opportunities and Challenges
QoS-Aware Buffer-Aided Relaying Implant WBAN for Healthcare IoT: Opportunities and Challenges
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用于医疗保健物联网的 QoS 感知缓冲器辅助中继植入 WBAN：机遇与挑战
DOI：
10.1109/mnet.2019.1800405
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发表时间：
2019
期刊：
影响因子：
9.3
通讯作者：
Yang Xiaodong
中科院分区：
文献类型：
--
作者：
Ca Guofa;Fang Yi;Wen Jinming;Han Guojun;Yang Xiaodong
物联网促使了各种应用程序（如移动的健康）开发的范式转变。无线体域网（WBAN）包括人体内、人体上或人体周围的许多低功率设备，其为监测用于移动的健康应用的生理信号提供了期望的解决方案。在植入WBAN中，植入的医疗设备在至少一个身体上设备的帮助下将其测量的生物参数发送到目标集线器，以满足其对尺寸、服务质量（QoS，例如，可靠性）和功耗。在这篇文章中，我们首先回顾了传统的合作WBAN的最新进展。之后，针对传统协作WBAN的缺点，提出了一种支持QoS的缓存辅助中继框架。在所提出的框架中，考虑分层调制来满足来自植入医疗设备的不同传感器数据的不同QoS要求。在此基础上，提出了缓冲区辅助信号中继和多中继植入式WBAN的传输策略。仿真结果表明，所提出的合作WBAN提供了更好的性能比传统的合作同行。最后，指出了缓冲器辅助多中继植入体WBAN的一些开放性研究挑战，以激发更多的研究活动。
The Internet of Things has motivated a paradigm shift in the development of various applications such as mobile health. The wireless body area network (WBAN) comprises many low-power devices in, on, or around the human body, which offers a desirable solution to monitoring physiological signals for mobile health applications. In the implant WBAN, an implanted medical device transmits its measured biological parameters to a target hub with the help of at least one on-body device(s) to satisfy its strict requirements on size, quality of service (QoS, e.g., reliability), and power consumption. In this article, we first review the recent advances in conventional cooperative WBANs. Afterward, to address the drawbacks of the conventional cooperative WBAN, a QoS-aware buffer-aided relaying framework is proposed for the implant WBAN. In the proposed framework, hierarchical modulations are considered to fulfill the different QoS requirements of different sensor data from an implanted medical device. We further conceive some new transmission strategies for the buffer-aided signal-relay and multi-relay implant WBANs. Simulation results show that the proposed cooperative WBAN provides better performance than its conventional cooperative counterparts. Finally, some open research challenges regarding the buffer-aided multi-relay implant WBAN are pointed out to inspire more research activities.