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第三期信通与控制前沿技术系列讲座之Cheng Li教授线上学术交流会成功召开

发布日期 :2022-08-26作者 :点击 :

2022829:00,第三期信通与控制前沿技术系列讲座通过腾讯平台顺利召开。加拿大圣约翰纪念大学电气和计算机工程系主任Cheng Li教授受邀与威尼斯WWW432888师生开展题为“Energy-Efficient Coordination Schemes for Underwater Acoustics Networks”线上学术交流活动。交流会由胡封晔教授主持。

报告开始前,Cheng Li教授首先介绍了他所在的纽芬兰纪念大学的学校建设、校园风光、学科建设和师资力量等。还饶有兴致的和与会师生分享了纽芬兰当地的人文风光和生活画面。

随后,Li教授从水声传感器网络的背景、五项主要研究方向、未来工作的展望等多个方面开展报告。他首先介绍了UWSNs网络的背景,有AUV(水下自主航行器)的UWSN网络的拓扑结构,并且介绍了团队研发的SEAformatics project项目。通过表格比较了水中电磁波、光、水声信号的性能上的差异,显示出水声通信的极具挑战性。

而后Cheng Li教授概括了水声信道的时空差异、传播延迟大、带宽限制、以及严重的多径效应等特征。并为我院师生讲解了两种唤醒机制的设计及仿真实验结果。针对UWSNs网络中的鲁棒性和能耗之间的平衡问题,给出了网络鲁棒性的数学定式。同时介绍了致力于延长网络寿命的中继节点选择方案。最后,针对该部分的最后一个方面——使用AUV进行数据收集的协作方案,通过仿真结果Li教授得出AUV的路径规划对节点的数据采集和睡眠时长有关键影响。

最后,Li教授总结了水声通信在能耗问题上的不同研究热点,以及未来的在水声定位跟踪上的工作展望。

针对报告内容,威尼斯WWW432888师生纷纷踊跃发言,就实际操作中的各类问题等向Cheng Li教授提问并得到了详尽的解答和分享。最后,胡封晔教授与 Li教授针对水下物联网目前在国际上的发展阶段这一热点话题进行了交流与探讨。

本次讲座作为学院信通与控制前沿技术系列讲座的第三期,充分运用信息化交流平台的优势,立足本校本院,面向全体师生,使师生不出国门就能接触到最前沿的科技资源、与世界顶尖学者交流讨论,启迪科研灵感,丰富学术视野,对双一流学科建设起到了积极的促进作用。



Cheng Li简介:

Cheng Li received his B. Eng. and M. Eng. degrees from Harbin Institute of Technology, Harbin, P. R. China, in 1992 and 1995, respectively, and his Ph.D. degree in Electrical and Computer Engineering from Memorial University, St. John's, Canada, in 2004.

He is currently a Full Professor and Head of the Department of Electrical and Computer Engineering of Memorial University, St. John's, Canada. His research interests include wireless communications and networking, communications signal processing, and mobile computing and computer networks. He has contributed 4 book chapters and over 350 research articles. He is an IEEE Communications Society Distinguished Lecturer for the 2021-22 term. He is an associate editor of the IEEE Transactions on Communications, the IEEE Internet-of-Things Journal, and the IEEE Network Magazine. He has served as the General Co-Chair of the ICNC'23, Q2SWinet20, WINCOM'19, and AICON'19, and the TPC Co-Chair for the ICNC'20, ADHOCNETS19, ACOSIS19, WiCON17, MSWiM'14, WiMob'11 and QBSC'10. He also served many times as a Technical Program Co-Chair for various technical symposia/tracks of international conferences, including the IEEE GLOBECOM, ICC, WCNC, and VTC. He served as the Chair of the IEEE Communications Society Ad Hoc and Sensor Networks Technical Committee (2018-19) and the Chair of the IEEE Newfoundland and Labrador Section (2012-13).

Dr. Li is the recipient of the Deans Award for Research Excellence at Memorial University in 2021, the recipient of the Technical Achievement Award of the IEEE Communications Society Communications Software Technical Committee in 2018, and the recipient of several Best Paper Awards at international conferences, including the IEEE Globecom'2017 and ICC'2010. He is a registered Professional Engineer (P.Eng.) in Canada and is a Senior Member of the IEEE and a member of the IEEE Communication Society, Computer Society, Vehicular Technology Society, and Ocean Engineering Society.




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