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    3. 網絡空間安全學院學術講座(六)

      發布單位:成果專利綜合科 [2019-07-11 10:53:19] 打印此信息

      題目:MIMO phase noise channels: From multiplexing gain to detection algorithms

      內容簡介:Phase noise is becoming a limiting factor for the next generation wireless communication systems typically at very high frequencies. In this talk, we present the impact of the phase noise on the discrete-time multi-antenna (MIMO) communication systems. In the first part, we present novel upper and lower bounds on the Shannon capacity of such channels. Based on the capacity bounds, we characterise the multiplexing gain of the MIMO phase noise channels. In the second part, we turn our attention to the MIMO receiver architecture when phase noise is present. We propose an accurate approximation of the likelihood function and more importantly an efficient detection algorithm that can achieve near optimal performance in terms of probability of detection error. Our results reveal that near-ML detection of phase noise impaired MIMO channels can be done as efficiently as for conventional MIMO channels without phase noise. If time permits, we shall talk about how to deal with a large class of nonlinear channels (of which the phase noise channel is a special case) with a data-driven approach using machine learning tools.

      報告人:法國巴黎中央理工-高等電力學院(CentraleSupelec)楊盛(Sheng Yang)教授

      報告人簡介:Sheng Yang received the B.E. degree in electrical engineering from Jiaotong University, Shanghai, China, in 2001, and both the engineer degree and the M.Sc. degree in electrical engineering from Telecom ParisTech, Paris, France, in 2004, respectively. In 2007, he obtained his Ph.D. from Université de Pierre et Marie Curie (Paris VI). From October 2007 to November 2008, he was with Motorola Research Center in Gif-sur-Yvette, France, as a senior staff research engineer. Since December 2008, he has joined CentraleSupélec where he is now a full professor. From April 2015, he also holds an honorary professorship in the department of electrical and electronic engineering of the University of Hong Kong (HKU). He received the 2015 IEEE ComSoc Young Researcher Award for the Europe, Middle East, and Africa Region (EMEA). He is an editor of the IEEE transactions on wireless communications.