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西安电子科技大学境外讲座教授刘兑现研究员聘任仪式暨学术报告会

2012-11-26来源: 电院网络中心浏览次数:

时间:2012年11月28日上午9:00 ~ 11:30
地点:主楼II区241(电子工程学院学术报告厅)
报告人:刘兑现 (美国 IBM T. J. Watson 研究中心研究员, 西安电子科技大学境外讲座教授,IEEE Fellow

刘兑现研究员简历:

Duixian Liu received the B.S. degree in electrical engineering from Xidian University, Xi’an, China, in 1982, and the M.S. and Ph.D. degrees in electrical engineering from the Ohio State University, Columbus, in 1986 and 1990, respectively.


From 1990 to 1996, he was with Valor Enterprises Inc. Piqua, Ohio, initially as an Electrical Engineer and then as the Chief Engineer, during which time he designed an antenna product line ranging from 3 MHz to 2.4 GHz for the company, a very important factor for the prestigious Presidential “E” Award for Excellence in Exporting in 1994. Since April 1996, he has been with the IBM T. J. Watson Research Center, Yorktown Heights, NY, as a Research Staff Member. He has received three IBM’s Outstanding Technical Achievement Awards and one Corporate Award, the IBM's highest technical award. He was named Master Inventor in 2007. He has edited a book titled Advanced Millimeter-wave Technologies - Antennas, Packaging and Circuits published in 2009 by Wiley. He has authored or coauthored more than 100 journal and conference papers. He received the Best Paper Prize of the 2007 IEEE International Workshop on Antenna technology for “Antenna-in-package in LTCC for 60 GHz Radio,” IBM Research's 2011 Pat Goldberg Memorial Best Paper Award in Computer Science, Electrical Engineering and Math for “Organic Packages with Embedded Phased-Array Antennas for 60-GHz Wireless Chipsets,” and the 2012 S. A. Schelkunoff Prize Paper Award of the IEEE Antennas and Propagation Society for “Dual Grid Array Antennas in a Thin-Profile Package for Flip-Chip Interconnection to Highly Integrated 60-GHz Radios,”  He has 40 patents issued and 20 patents pending. His research interests are antenna design, EM modeling, chip packaging, digital signal processing, and communications technologies.


Dr. Liu is a Fellow of IEEE and an associate editor for the IEEE Transactions on Antennas and Propagation, a Guest Editor for the IEEE Transactions on Antennas & Propagation special issues on Antennas and Propagation Aspects of 60-90 GHz Wireless Communications (October 2009) and upcomimg Antennas and Propagation at mm- and sub mm-waves (April 2013), and a Guest Editor for International Journal of Antennas and Propagation on special issue on Wearable and RFID Antennas (July 2013).. He has been an organizer or chair for numerous international conference sessions or special sessions and served as a technical program committee member for many international conferences. He was the general chair of the 2006 IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, White Plains, New York. He has served as an external Ph.D. examiner for several universities and external examiner for government organizations on research grants. Dr. Liu was appointed as an oversea chair professor of Xidian University in Oct. 2012.

学术报告:毫米波与亚毫米波系统天线的封装设计与评估
Title:
  MMW and sub-MMW System Antenna in Package Designs and Evaluations
Abstract: There is an increasing demand for low-cost wireless communication systems that operate in the 60 GHz band to support Gbps data rates. Typical applications demanding Gbps data rates include wireless gigabit Ethernet and wireless uncompressed high-definition video. Recent advances in silicon technologies have enabled single chip solutions, making the 60 GHz technology more commercially attractive. However, for the 60 GHz market to flourish, not only are low-cost devices solutions required, but also low-cost antenna and packaging solutions. The short wavelength at 60 GHz allows antennas to be embedded within a package or integrated on a chip. Antenna-in-package solutions have been recognized to have advantages over antenna-on-chip solutions in bandwidth and radiation efficiency. The realization of a robust, efficient and broadband 60 GHz antenna within a multilayer organic (MLO) or LTCC package is challenging due to assembly difficulties, material selection, and manufacturing tolerances. The proposed superstrate aperture-coupled patch antenna structures provide both wide bandwidth and high efficiency. Two types of packages with integrated antennas have been designed. In the first case, the package has an open cavity for housing the RFIC chip. The advantage of this design is easy antenna feed line layout and low loss. This design is suitable for MLO packages. In the second case, the RFIC chip is attached to the bottom of the package. This design is relatively easier to manufacture and more flexible to layout than the first case and suitable for LTCC packages. Both types of packages have been designed, prototyped and evaluated. More importantly, they have been used in our 60 GHz 16-element phased array applications. The talk will also discuss package structures proposed by other companies and indicate future studies in this area.

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