Millimeter-wave MIMO Transceivers for Future Wireless Systems
IEEE MTT/AP Chapter meeting
Prof. Jeyenandh Paramesh, Carnegie Mellon University, Distinguished Lecturer for the IEEE Solid State Circuits Society.
Abstract: Millimeter-wave MIMO Transceivers for Future Wireless Systems
Directional communication using antenna arrays will be a centerpiece of future communication systems in the sub-6 GHz bands and in the millimeter-wave bands. Currently, highly integrated phased-array transceivers are emerging that support steering the main lobe of the antenna array pattern, thereby improving the link budget and providing some spatial filtering. However, in order to increase data rates, network capacity and achieve better interference management, advanced multi-antenna techniques are deemed essential in future wireless networks. These techniques include various forms of multiple-input-multiple-output (MIMO) signaling, adaptive null-steering, spatial equalization, interference mitigation etc. This talk will present recent advances in the design of advanced beamforming transceivers that can support such multi-antenna signal processing. In particular, the design of phased arrays that can address very wide swaths of millimeter-wave spectrum, and the design of hybrid beamformers that can support millimeter-wave MIMO communication will be described.
Time and interest-permitting, a second topic will be discussed, related to RF Circuit Reconfiguration Using Phase-Change Switches for interference-robust transceivers. Recently, a new class of reconfigurable RF circuits has emerged based on a new CMOS-compatible RF switch that uses “phase-change (PC)” materials. These materials can be reversibly transformed between low and high resistance states, have low parasitic capacitance. PC-based RF switches can therefore serve as a “more-than-Moore” element that can augment the capabilities of standard CMOS since they can be fabricated in the back-end of line of such technologies. This talk describes recent advances in RF circuit reconfiguration using PC switches. The design, fabrication and characterization of several CMOS+PC demonstration circuits that showcase this approach for RF reconfiguration.
Date and Time
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- Date: 22 Jul 2019
- Time: 04:00 PM to 06:00 PM
- All times are (GMT-07:00) US/Mountain
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- 2200 Colorado Ave
- Boulder, Colorado
- United States 80309
- Building: Benson Earth Sciences
- Room Number: BESC 185
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- Co-sponsored by gregor.lasser@colorado.edu
- Starts 17 July 2019 06:36 PM
- Ends 22 July 2019 08:00 AM
- All times are (GMT-07:00) US/Mountain
- No Admission Charge
Speakers
Prof. Jeyenandh Paramesh of Carnegie Mellon University
Millimeter-wave MIMO Transceivers for Future Wireless Systems
Biography:
Prof. Jeyenandh Paramesh received the B.Tech, M.S and PhD degrees from IIT Madras, Oregon State University and the University of Washington, Seattle, respectively, all in Electrical Engineering. Between 1998 and 2004, he held product development and research positions at Analog Devices, Motorola and Intel, where he developed RF and mixed-signal IC's for applications in communication systems including multi-antenna transceivers, data converters, power amplifiers, frequency synthesizers etc.