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Guest Lectures on Full Duplex Wireless, and High-Power and Energy-Efficient Millimeter-wave Circuits

Föredrag

From: 2017-11-20 13:00 To: 16:00
Place:Room E:2517, Ole Römers Väg 3, LTH, Lund
Contact:pietro.andreani@eit.lth.se


Prof. Harish Krishnaswamy from Columbia University (NY) will visit us and deliver not one, but two SSCS Distinguished Lectures: “Full Duplex Wireless: From Integrated Circuits to Networks” and “High-Power and Energy-Efficient Millimeter-wave Circuits and Systems for Next Generation Wireless”

Speaker: Prof. Harish Krishnaswamy from Columbia University (NY)

Related: In the morning of the same day, Prof. Krishnaswamy will be the opponent in Xiaodong Liu’s licentiate defense

Full Duplex Wireless: From Integrated Circuits to Networks

Abstract: Full duplex wireless is an exciting emergent wireless communication paradigm where the transmitter and the receiver operate at the same time and at the same frequency. Full duplex potentially immediately doubles wireless capacity at the physical layer, while offering greater flexibility and other benefits at the network layer. However, the fundamental challenge associated with full duplex is the tremendous transmitter self interference at the receiver that can be a billion to a trillion times more powerful than the desired signal. This presentation covers recent advances in the design of integrated RF and millimeter-wave full-duplex transceivers with self-interference cancellation in various domains – antenna, RF, analog baseband and digital. This presentation will also cover developments from the Columbia FlexICoN project (http://flexicon.ee.columbia.edu), which is investigating network-layer implications of full duplex, cross-layering in full duplex networks and co-development of the physical layer and the network layer.

High-Power and Energy-Efficient Millimeter-wave Circuits and Systems for Next Generation Wireless

Abstract: There has been a renewed interest in millimeter-waves in the recent past for next-generation (5G) wireless communication networks. While millimeter-wave silicon systems-on-chip (SoCs) are a mature technology, there are several open challenges, including the generation of high output power to close link budgets over distances exceeding 100s of meters, and the implementation of energy-efficient millimeter-wave systems. This talk will cover recent research on stacked millimeter-wave CMOS power amplifiers with high efficiencies, watt-class millimeter-wave CMOS PAs, highly digital millimeter-wave transmitters, and large-scale millimeter-wave arrays. Finally, this talk will contemplate advanced wireless communication paradigms at millimeter-waves, including massive MIMO.

Bio

Harish Krishnaswamy received the B.Tech. degree in electrical engineering from the Indian Institute of Technology, Madras, India, in 2001, and the M.S. and Ph.D. degrees in electrical engineering from the University of Southern California (USC), Los Angeles, CA, USA, in 2003 and 2009, respectively. In 2009, he joined the Electrical Engineering Department, Columbia University, New York, NY, USA, where he is currently an Associate Professor. His research interests broadly span integrated devices, circuits, and systems for a variety of RF, mmWave. sub-mmWave and opto-electronic applications. Recent research topics include breaking Lorentz reciprocity and related applications, full-duplex wireless, high-power and energy-efficient millimeter-wave circuits and systems in silicon, broadband/reconfigurable RF radios with an emphasis on interference mitigation, and terahertz circuits in CMOS. Dr. Krishnaswamy serves as a member of the Technical Program Committee (TPC) of several conferences, including the IEEE International Solid-State Circuits Conference (2015/16-present) and IEEE RFIC Symposium (2013-present). He was the recipient of the IEEE International Solid-State Circuits Conference (ISSCC) Lewis Winner Award for Outstanding Paper in 2007, the Best Thesis in Experimental Research Award from the USC Viterbi School of Engineering in 2009, the Defense Advanced Research Projects Agency (DARPA) Young Faculty Award in 2011, a 2014 IBM Faculty Award and the 2015 IEEE RFIC Symposium Best Student Paper Award - 1st Place.