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What the future holds for 6G and beyond

Decades of Research into Millimeter Wave and Sub-THz Wireless Communication Results, Surprises, and more

Recorded Webinar
October 27, 2021
Presented by Prof. Theodore (Ted) S. Rappaport, Founding Director, NYU WIRELESS


Theodore (Ted) S. Rappaport is the David Lee/Ernst Weber Professor at New York University (NYU) and holds faculty appointments in the Electrical and Computer Engineering Department, the Courant Computer Science Department, and the NYU Langone School of Medicine. He founded NYU WIRELESS, a multidisciplinary research center, and the wireless research centers at the University of Texas Austin (WNCG) and Virginia Tech (MPRG). His research has provided fundamental knowledge of wireless channels used to create the first Wi-Fi standard (IEEE 802.11), the first U.S. digital TDMA and CDMA standards, the first public Wi-Fi hotspots, and more recently proved the viability of millimeter-wave and sub-THz frequencies for 5G, 6G, and beyond. He co-founded two wireless communications companies that were sold to publicly traded firms. He is a member of the National Academy of Engineering, a Fellow of the National Academy of Inventors, and the Wireless History Foundation Hall of Fame.

Going 6G

New Sub Terahertz R&D Testbed for 6G Research

Recorded Webinar
September 22, 2021
Presented by Greg Jue, Keysight Technologies


Sub-Terahertz (sub-THz) frequencies (100-300 GHz) with extreme modulation bandwidths are part of early 6G research. This presents many unknowns. One of those unknowns is exploring the level of system performance that is achievable and reasonable given new frequency bands, extreme modulation bandwidths, and new waveforms. This webinar will provide insight into this by discussing new sub- terahertz system-level design and test challenges presented by 6G. EVM measurement results at 140 GHz will be shown with varying waveforms and bandwidths up to an occupied bandwidth of 10 GHz. Low Signal-to-Noise (SNR) ratios are a challenge for wide bandwidth waveforms at sub-THz frequencies. Preamble and pilot-aided synchronization and channel estimation will be discussed to achieve more robust demodulation in low SNR environments. Understanding and addressing channel impairments at sub-THz frequencies will be another challenge. Sub-THz channel sounding will be discussed and the testbed receiver will be customized with a real-time adaptive equalizer FPGA implementation to address channel impairments.


Greg Jue is a 6G System Engineer at Keysight Technologies working on emerging millimeter-wave applications beyond 110 GHz. Greg authored Keysight’s new whitepaper “A New Sub-Terahertz Testbed for 6G Research”, and was a technical contributor to Keysight’s new “Engineering the 5G World” ebook. Greg wrote the design simulation section in Agilent Technologies LTE book, and has authored numerous articles, presentations, application notes, and whitepapers including Keysight’s “Implementing a Flexible Testbed for 5G Waveform Generation and Analysis”. Before joining HP/Agilent, Greg worked on system design for the Deep Space Network at the Jet Propulsion Laboratory, Caltech University.

Advancing THz Technology

THz Technology: The Move from Scientific to Commercial Applications – 6G, Space & More

Recorded Webinar
August 4, 2021
Presented by Jeffrey L Hesler, Virginia Diodes

The Terahertz field has long been used for a wide variety of scientific applications, ranging from radio astronomy, spectroscopy, fusion plasma diagnostics, and more. The potential of non-scientific applications of THz has been understood for many years, but technological limits slowed the advance of these applications. The past decade has seen dramatic advances in transistor technology that is now enabling rapid progress in a variety of applications, ranging from basic test & measurement, ultra-wideband communications, and the use of THz radiometers in space for next generation commercial weather forecasting. This talk will describe the various THz technologies involved, and give examples of recent projects at Virginia Diodes aimed at advancing THz technology for both scientific and commercial applications.

Jeffrey L Hesler is the Chief Technology Officer of Virginia Diodes and has a visiting position at the University of Virginia. For more than 25 years he has been working on creating new technologies that utilize the Terahertz (THz) frequency band for scientific, defense, and industrial applications. He has published over 200 technical papers in journals and international conferences proceedings, is a member of IEEE Technical Committee MTT-21 (THz Technology and Applications) and is a co-Editor of the IEEE Transactions on Terahertz Science and Technology. Terahertz systems based on his innovative designs are now used in hundreds of research laboratories throughout the world.

View more videos from Virginia Diodes: https://www.vadiodes.com/en/resources/videos

The Terahertz Frontier

What will the world look like in 2030?

Tech 2030: Podcast Episode

Dr. Ted Rappaport and Renuka Racha discuss what lies beyond 5G and how the next generation of mobile connectivity will impact our lives in the coming decade.

Tech 2030 is a 6GWorld podcast hosted by Renuka Racha and produced & edited by Caio Colagrande Castro.

Spectrum Frontiers: Terahertz

Recorded Webinar
February 17, 2021
Presented by Professor Theodore Rappaport, NYU WIRELESS

Presentation by Professor Theodore (Ted) Rappaort to the member companies of the NYU WIRELESS Industrial Affiliates Program. In this mini-lecture series Ted gives an overview of the expansion of communications into the Terahertz frequency spectrum.

Summaries of the results of experiments at the NYU campus provide insight into the development of communications potential at these very high frequencies (100++ GHz). Also discussed are the required behaviors of antennas, and the need to study the important topic of potential safety aspects of these higher frequencies.

As Ted says, “There is clear sailing up to 800 GHz.”

To learn more, see these links

[1] Y. Xing and T. S. Rappaport, “Terahertz Wireless Communications: Research Issues and Challenges for Active and Passive Systems in Space and on the Ground above 100 GHz (Invited Paper),” submitted to 2021 IEEE Communications Letters, Feb. 2021, pp. 1-5. https://arxiv.org/abs/2103.00604

[2] Y. Xing, T. S. Rappaport, and A. Ghosh, “Millimeter Wave and sub-THz Indoor Radio Propagation Channel Measurements, Models, and Comparisons in an Office Environment (Invited Paper),” submitted to 2021 IEEE Communications Letters, Feb. 2021, pp. 1-5. https://arxiv.org/abs/2103.00385

[3] Y. Xing and T. S. Rappaport, “Propagation Measurements and Path Loss Models for sub-THz in Urban Microcells,” 2021 IEEE International Conference on Communications, June 2021, pp. 1-6. https://arxiv.org/pdf/2103.01151.pdf

US246 Petition For Rulemaking

Amendment of Footnote US246 of ) Section 2.106 of the Commission’s Rules ) To Enable More Efficient Interference-Free ) Sharing of Spectrum Above 95 GHz

August 9, 2019

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Now we’re heading to 6G!

Wireless Communication and Applications Above 100 GHz: Opportunities and Challenges for 6G & Beyond

Recorded Webinar
Feb 28, 2019
Presented by Professor Theodore Rappaport, NYU WIRELESS

Wireless Communication and Applications Above 100 GHz: Opportunities and Challenges for 6G & Beyond

Dr Ted Rappaport of NYU Wireless and his colleagues have published this invited paper on the promises of mmWave bands and their use. This landmark work on 6G and frequencies above 100 GHz explores these promising bands for the next generation of wireless communication systems. This work was motivated in part by the mmWave coalition’s efforts to open up spectrum above 95 GHz.

View Paper (PDF)



Sub-THz Wireless Communication & Sensing

 – A Perspective on Device, Circuit, and System

Presentation by Georgia Tech & Global Foundries
May 9, 2019

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Hua Wang is an associate professor at the School of Electrical and Computer Engineering (ECE) at Georgia Institute of Technology and the director of Georgia Tech Electronics and Micro-System (GEMS) lab. He received his M.S. and Ph.D. degrees in electrical engineering from the California Institute of Technology, Pasadena, in 2007 and 2009, respectively. Dr. Wang’s areas of research include innovative mixed-signal, RF, and mm-Wave integrated circuits and hybrid systems for wireless communication, radar, imaging, and bioelectronics applications. He received the DARPA Young Faculty Award in 2018, the National Science Foundation CAREER Award in 2015, the IEEE MTT-S Outstanding Young Engineer Award in 2017, the Georgia Tech Sigma Xi Young Faculty Award in 2016, the Georgia Tech ECE Outstanding Junior Faculty Member Award in 2015, and the Lockheed Dean’s Excellence in Teaching Award in 2015. He held the Demetrius T. Paris Professorship from 2014 to 2018. Dr. Wang is an Associate Editor of the IEEE Microwave and Wireless Components Letters (MWCL) and a Guest Editor of the IEEE Journal of Solid-State Circuits (JSSC). He is a Technical Program Committee (TPC) Member for IEEE ISSCC, RFIC, CICC, and BCICTS conferences. He is a Steering Committee Member for IEEE RFIC and CICC. He is a Distinguished Lecturer (DL) for the IEEE Solid-State Circuits Society (SSCS) for the term of 2018-2019. He serves as the Chair of the Atlanta’s IEEE CAS/SSCS joint chapter that won the IEEE SSCS Title: Solutions for 5G mmWave from Silicon to Antenna Integrated Modules.

Ned Cahoon received the A.B. degree in physics from Harvard University in 1980. He joined IBM in 1980 in Poughkeepsie, NY, where he worked in engineering and management positions responsible for DRAM reliability and assurance in IBM’s Data System Division. In 1988, he moved to IBM’s Microelectronics Division where he contributed to the research and development of AlGaAs and InP laser technology. Beginning in 1991, he managed engineering teams in IBM’s MLC packaging lab and manufacturing plant. In 1995, he was part of a new business initiative within IBM with the mission to develop and commercialize SiGe technology, and he has been involved in the RF Business Unit of IBM and now GLOBALFOUNDRIES ever since. He is currently a Director at GLOBALFOUNDRIES, responsible for business development of SiGe and RFSOI technologies.  

Anirban Bandyopadhyay is the Director, Business Development within GLOBALFOUNDRIES, USA and is located at Hopewell Junction, New York. His work is currently focused on hardware architecture & technology evaluations and business development for different RF and mmWave applications. Prior to joining GLOBALFOUNDRIES, he was with IBM Microelectronics for 8 years where he used to manage design enablement group for wireless applications and also led RF strategic applications and marketing. During 2000-2007, Dr. Bandyopadhyay was with Intel, California where he worked on different areas like Silicon Photonics, signal integrity in RF & Mixed signal SOC’s. He did his PhD in Electrical Engineering from Tata Institute of Fundamental Research, India and Post-Doctoral research at Nortel, Canada and at Oregon State University, USA. He represents Global Foundries in different industry consortia on RF/mmWave applications and is a Distinguished Lecturer of IEEE Electron Devices Society.

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