簡歷Biography:

Huei Wang (S’83-M’87-SM’95-F’06) was born in Tainan, Taiwan, in 1958. He received the B. S. degree in electrical engineering from National Taiwan University, Taipei, Taiwan, ROC, in 1980, and the M. S. and Ph. D. degrees in electrical engineering from Michigan State University, East Lansing, Michigan in 1984 and 1987, respectively.

During his graduate study, he was engaged in the research on theoretical and numerical analysis of electromagnetic radiation and scattering problems. He was also involved in the development of microwave remote detecting/sensing systems. Dr. Wang joined Electronic Systems and Technology Division of TRW Inc. since 1987. He has been an MTS and Staff Engineer responsible for MMIC modeling of CAD tools, MMIC testing evaluation and design and became the Senior Section Manager of MMW Sensor Product Section in RF Product Center. He visited the Institute of Electronics, National Chiao-Tung University, Hsin-Chu, Taiwan, in 1993 to teach MMIC related topics and returned to TRW in 1994. He joined the faculty of the Department of Electrical Engineering of National Taiwan University, Taipei, Taiwan, as a Professor in February 1998. He served as the Director of Graduate Institute of Communication Engineering of National Taiwan University from Aug. 2006 to July 2009.

Dr. Wang is a member of the honor society Phi Kappa Phi and Tau Beta Pi. He received the Distinguished Research Award of National Science Council, Taiwan, at 2003. He was the Richard M. Hong Endowed Chair Professor of National Taiwan University in 2005-2007. He was elected as an IEEE Fellow in 2006, and has been appointed as an IEEE Distinguished Microwave Lecturer for the term of 2007-2009. Dr. Wang received the Academic Achievement Award from Ministry of Education, Taiwan, in 2007, and the Distinguished Research Award from Pan Wen-Yuan’s Foundation in 2008. He has been Life National Chair Professor of Ministry of Education, ROC since 2013.

王暉 教授 國立台灣大學電機系 Prof. Huei Wang Dept. of Electronic Engineering, National Taiwan University

講題一： Review of Silicon-based Millimeter-wave Radio Frequeny Integrated Circuits 矽基毫米波積體電路之回顧

III-V based MMICs such as GaAs and InP were popular for millimeter-wave (MMW) applications at early time due to their superior performances. After the year 2000, silicon-based technologies gradually took over GaAs-based technologies in popularity for some III-V niche applications. Silicon-based technologies have been advanced aggressively and rapidly. Based on Moore’s law, the period for a doubling in chip performance, including a combination of the effect of more transistors and their higher speed, is 18 months. Thus, silicon-based technologies are promising and their performances can predictably catch up with those GaAs-based technologies for some aspects in the system applications. Also, silicon-based technologies have much better integration capability than GaAs-based technologies. It is easier to integrate the baseband digital circuits into a single chip with MMW circuits in silicon-based technologies rather than that in GaAs-based technologies, which is a very important feature in many products.

In this talk, the advances of the silicon-based millimeter-wave (MMW) radio frequency integrated circuits (RFICs) will be presented. The silicon-based technologies for MMW RFICs will be introduced briefly. In addition, the current status of the MMW RFICs will be surveyed and novel circuit topologies are summarized. Some representative MMW RFICs are illustrated as the design examples in the categories of their functions in a MMW system. Finally the future trend of the development of the MMW ICs will be addressed.

講題二： Millimeter-Wave CMOS Power Amplifiers 毫米波CMOS功率放大器

In this presentation, we will discuss the design of millimeter-wave (MMW) CMOS power amplifiers (PAs). In order to achieve high output power, the combining techniques of PAs are addressed in particular. The recently reported MMW CMOS PAs will be reviewed. We also proposed a design method of multi-way combining networks with impedance transformation for CMOS power PAs to achieve high output power and wideband performance simultaneously in millimeter-wave frequency. Three power amplifiers are designed and fabricated in V-band, W-band, and D-band using 65-nm CMOS technology based on this design approach. With 1.2-V supply, the saturation powers of these power amplifiers are 23.2 dBm, 18 dBm and 13.2 dBm at 64 GHz, 90 GHz, and 140 GHz, with 25-GHz, 26-GHz, and 30-GHz 3-dB bandwidth, respectively. Compared with the published MMW amplifiers, these PAs achieve high output power and wide band performances simultaneously, and the ouput power levels represent the state-of-the-art performances at these frequencies.

講題三： Development of Millimeter-wave RFICs and LTCC Modules With Embedded Antennas 毫米波積體電路及包含天線之低溫共燒陶瓷

The short wavelength of millimeter-wave (MMW) makes it possible to realize a MMW transceiver module with antenna array in the size of a typical IC package in size of few centimeters. By embedding the antennas into suitable packaging substrate such as low temperature cofired ceramic (LTCC) and using flip-chip interconnect between die and substrate, a package with minimum loss can be realized. In this talk, we will present the development of CMOS MMW RFICs of a transceiver, together with the fabrication process for LTCC and the design of the embedded antennas/array by using this multilayer substrate. The multi-layer structure of LTCC allows the radiation of antenna structure not just in planar direction, but also in vertical direction.

講題四： A Harmonic Radar for Bee Searching 用於偵測蜜蜂位置的諧波雷達系統

This presentation presents a 9.4/18.8-GHz harmonic radar to investigate the behavior of bees with colony collapse disorder (CCD), for which worker bees abruptly disappear from a beehive. The challenges of using harmonic radar for bee searching include the requirements of high range accuracy and high sensitivity. A harmonic radar using the pseudorandom code positioning technique to simultaneously achieve high range accuracy and high sensitivity is proposed. This study also proposes a new method to cancel the local leakage to further improve sensitivity. To realize the transponder to place on the bees, a compact antenna is designed using the composite right/left-handed transmission-line concept. The harmonic radar principal, applications, and measurement results will be included in the presentation.