时间：2023.7.7 上午 9：00-11：00，地点：【杨咏曼楼711】
摘要： Localization by single receiver is attractive in practice. In this talk, we exploit the additional propagation paths from scatterers for the localization of transmitters, using the time differences of arrival between the direct and scattered signals and their angles of arrival observed at the receiver. The challenge for this problem is that the positions of the unintentional scatterers are not known and they need to be estimated in conjunction with the transmitter positions. A non-iterative localization algorithm based on the integration of several minimal measurement solutions is proposed, with the analysis in supporting the Cramer-Rao Lower Bound performance for Gaussian noise over the small error region. The optimum placement of single intentional transmitter to assist for the localization is derived for the 2-D and 3-D scenarios, as well as for single intentional scatterer. Simulation confirms the expected performance of the proposed positioning solution and validates the optimum placement.
主讲人： Dominic K. C. Ho, Professor, University of Missouri, USA
Dr. Ho was born in Hong Kong. He received the B.Sc. degree with First Class Honors in 1988 and the PhD degree in Electronic Engineering in 1991. He was a research associate at the Royal Military College of Canada, a member of scientific staff at the Bell-Northern Research and a faculty at the University of Saskatchewan, Canada. Since 1997, he has been with the University of Missouri, where he is a professor in the Electrical Engineering and Computer Science Department. His research interests are in sensor array processing, source localization, subsurface object detection and wireless communications. Dr. Ho has been active in the International Telecommunications Union (ITU) standard developments between 1995 and 2012. He was the rapporteur of one recommendation and the editor of several others. Dr. Ho was an Associate Editor of the IEEE Transactions of Signal Processing (2003-2006, 2009-2013) and the IEEE Signal Processing Letters (2004-2008). He has served as the Chair of the IEEE Sensor Array Multichannel (SAM) Technical Committee from 2013 to 2014 and the Past Chair in 2015. He was a technical Co-Chair of the IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) held in Shanghai, 2016. He is an inventor of 22 patents in the United States, Canada, Europe and Asia on geolocation and signal processing for wireless communications. Dr. Ho is a fellow of the IEEE.
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