Home > Seminars > Millimeter-wave Integrated Systems for a Wireless World

Millimeter-wave Integrated Systems for a Wireless World


5/8/2015 at 10:00AM


5/8/2015 at 11:00AM


258 Fitzpatrick Hall


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Thomas Fuja

Thomas Fuja

VIEW FULL PROFILE Email: tfuja@nd.edu
Phone: 574-631-7244
Office: 275 Fitzpatrick Hall


Wireless Institute Professor
Prof. Fuja research addresses reliable communication over inherently unreliable and/or constrained communication links. He has recently focused his research on the changing role that channel codes play in the context of wireless networks, i.e., to not only provide physical-layer robustness but ...
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Wireless communication systems at millimeter-wave (mmWave) frequencies are becoming increasingly attractive for a wide variety of applications including short-range links, local area networks, backhaul, and more recently, mobile communications. While mmWave frequency bands are attractive mainly due to their large available bandwidths, their unique properties bring special challenges to radio and package design. This talk will present a summary of recent developments in integrated mmWave systems at IBM Research. First, single-element and phased array mmWave transceiver architectures for directional Gb/s wireless links, suitable for full integration in silicon are reviewed. Antenna diversity and beam forming techniques suitable for low-cost packaging implementation are also discussed, considering both short-range personal communications and long-range back-haul communications. Fully integrated transceiver implementation examples including antennas-in-package at 60GHz and 94GHz are presented to illustrate system-implementation trade-offs, and IC package co-design challenges.

Seminar Speaker:

Alberto Valdes-Garcia

Alberto Valdes-Garcia

IBM T. J. Watson Research Center

Alberto Valdes-Garcia is currently a Research Staff Member and Manager of the RF Circuits and Systems Group at the IBM T. J. Watson Research Center.  He received the Ph.D. degree in Electrical Engineering from Texas A&M University in 2006.

 From 2006 to 2009, Dr. Valdes-Garcia served in the IEEE 802.15.3c 60GHz standardization committee. Since 2009 he serves as Technical Advisory Board member with Semiconductor Research Corporation (SRC), where he was Chair of the Integrated Circuits and Systems Sciences Coordinating Committee in 2011 and 2012. In spring 2013 he was also an Adjunct Assistant Professor at Columbia University. He holds 17 issued US patents with 30+ pending. His scholarly work (85+ authored or co-authored publications) has already received more than 2000+ independent citations in indexed journals. He is a co-Editor of the book 60GHz technology for Gbps WLAN and WPAN: From Theory to Practice.

 Dr. Valdes-Garcia is the winner of the 2005 Best Doctoral Thesis Award presented by the IEEE Test Technology Technical Council (TTTC), the recipient of the 2007 National Youth Award for Outstanding Academic Achievements, presented by the President of Mexico, and a co-recipient of the 2010 George Smith Award presented by the IEEE Electron Devices Society. In 2013, he was selected by the National Academy of Engineering for its Frontiers of Engineering Symposium. Within IBM, he is a co-recipient of an IBM Corporate Outstanding Innovation Award for the demonstration of wireless high definition video links with 60GHz SiGe radios (2008), and the 2009 Pat Goldberg Memorial Award to the best paper in computer science, electrical engineering, and mathematics published by IBM Research for the work Operation of Graphene Transistors at GHz Frequencies (Nano Letters, 2009).