题目：Network Resource Management in Wireless Networked Control Systems
讲者：Xiaobo Sharon Hu教授，IEEE Fellow，美国圣母大学
X. Sharon Hu（胡晓波）博士是美国圣母大学（University of Notre Dame）计算机科学与工程系的教授。她的研究兴趣包括低功耗系统设计，新兴技术的电路与结构设计，软硬件协同设计和实时嵌入式系统。她在这些领域发表了300多篇论文。她获得过设计自动化大会（DAC）和IEEE纳米级结构研讨会的最佳论文奖以及NSF CAREER奖。她参与了几个大型行业和政府赞助的中心项目，并且是NSF / SRC E2CDA项目的主题领导者。她是2018年DAC的主席，并于2015年担任DAC的TPC主席。胡教授曾担任IEEE Transactions on Very Large Scale Integration Systems，ACM Transactions on Design Automation of Electronic Systems等期刊的Associate Editors，她目前是ACM Transactions on Cyber-Physical Systems的Associate Editor。她是IEEE Fellow。
Wireless networked control systems (WNCSs) are fundamental to many Internet-of-Things (IoT) applications that must work under real-time constraints in order to ensure timely collection of environmental data and proper delivery of control decisions. The Quality of Service (QoS) offered by a WNCS is thus often measured by how well it satisfies the end-to-end deadlines of the real-time tasks executed in the WNCS. Network resource management in WNCSs plays a critical role in achieving the desired QoS. Unexpected internal and external disturbances that may appear in WNCSs concurrently make resource management inherently challenging. The explosive growth of IoT applications especially in terms of their scale and complexity further exacerbate the level of difficulty in network resource management.
In this talk, I first give a general introduction of WNCSs and the challenges that they present to network resource management. In particular, I will discuss the complications due to external disturbances and the need for dynamic data-link layer scheduling. I then highlight our recent work that aims at tackling this challenge. Our work balances the scheduling effort between a gateway (or access points) and the rest of the nodes in a network. It paves the way towards decentralized network resource management in order to achieve scalability. Experimental implementation on a wireless test bed further validates the applicability of our proposed research. I will end the talk outlining our on-going effort in this exciting and growing area of research.
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