同济大学嵌入式系统与服务计算教育部重点实验室

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智信馆香港大学胡奕聪副教授学术报告

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【保护视力背景色: 杏仁黄 秋叶褐 胭脂红 芥末绿 天蓝 雪青 灰 银河白(默认色)】 【字色: 绿 粉红 深蓝】 【字体:8 7 6 5 4 3 2 1

  题 目:Clock Synchronization in Wireless Sensor Networks: from Traditional Estimation Theory to Distributed Signal Processing
  报告人:胡奕聪(Yik-Chung Wu),香港大学电机电子工程副教授
  时 间:2016年3月24日 星期四 15:00 pm
  地 点:电信大楼403室
  邀请人:赵生捷
  
  报告人简介:
  Yik-Chung Wu received the B.Eng. (EEE) degree in 1998 and the M.Phil. degree in 2001 from the University of Hong Kong (HKU). He received the Croucher Foundation scholarship in 2002 to study Ph.D. degree at Texas A&M University, College Station, and graduated in 2005. From August 2005 to August 2006, he was with the Thomson Corporate Research, Princeton, NJ, as a Member of Technical Staff. Since September 2006, he has been with HKU, currently as an Associate Professor. He was a visiting scholar at Princeton University, in the summers of 2011 and 2015. His research interests are in general area of signal processing, machine learning and communication systems, and in particular distributed signal processing and communications; robust optimization theories for communication systems; estimation and detection theories in transceiver designs; and smart grid. Dr. Wu served as an Editor for IEEE Communications Letters, is currently an Editor for IEEE Transactions on Communications and Journal of Communications and Networks.
  
  内容提要:
  In this talk, we will review the advances of clock synchronization in wireless sensor network in the past few years. We will begin with the optimal clock synchronization algorithms in pairwise setting, in which maximum likelihood (ML) estimator from traditional estimation theory is the major tool. Then, we will discuss the more challenging networkwide synchronization, in which every node in the network needs to synchronize with each other. In this case, more powerful distributed signal processing techniques are required. In particular, we will illustrate how Belief Propagation (BP), distributed Kalman Filter (KF) and Alternating Direction Method of Multipliers (ADMM) method help in solving networkwide synchronization.
  
  欢迎各位老师同学踊跃参加!
 

发布日期:2016-03-22

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