Spectrum Sharing Challenges for Enabling Large Bandwidth mmWave/THz Spectrum Access Above 100 GHz for 6G and Other Applications

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Abstract:
 
There is a lot of spectrum above 100 GHz potentially for broadband wireless applications. The presence of many important molecular resonances in the spectrum region resulted in a much high density of passive spectrum allocations in 100-275 GHz than in lower bands. When these passive allocations were made by ITU about 20 years ago it was unclear whether they needed the same absolute prohibition of sharing with active users that is needed in lower bands so at the proposal of the US it was decided to prohibit sharing initially but to request technical studies in ITU-R on the long term feasibility of sharing. None have been initiated to date but the unusual features of 100+ GHz suggest sharing may be practical and could open up bocks of contiguous spectrum in excess of 30 GHz wide while still protecting passive users. Without such sharing the largest block under 200 GHz is only 12.5 GHz wide. This presentation will explore the technical and spectrum policy issues in determining whether such sharing is feasible.

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  • Date: 20 Mar 2023
  • Time: 12:00 PM to 01:00 PM
  • All times are (UTC-06:00) Central America
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  • Rice University
  • 6100 Main Street
  • Houston, Texas
  • United States 77005
  • Building: Brockman Hall for Physics
  • Room Number: BRK 200
  • Contact Event Host

  • Prof. Edward Knightly, knightly@rice.edu

  • Co-sponsored by Rice University ECE Department Speaker Series

  Speakers

Michael Marcus Michael Marcus of Marcus Spectrum Solutions LLC

Topic:

Spectrum Sharing Challenges for Enabling Large Bandwidth mmWave/THz Spectrum Access Above 100 GHz for 6G and Other Appli

Abstract:
 
There is a lot of spectrum above 100 GHz potentially for broadband wireless applications. The presence of many important molecular resonances in the spectrum region resulted in a much high density of passive spectrum allocations in 100-275 GHz than in lower bands. When these passive allocations were made by ITU about 20 years ago it was unclear whether they needed the same absolute prohibition of sharing with active users that is needed in lower bands so at the proposal of the US it was decided to prohibit sharing initially but to request technical studies in ITU-R on the long term feasibility of sharing. None have been initiated to date but the unusual features of 100+ GHz suggest sharing may be practical and could open up bocks of contiguous spectrum in excess of 30 GHz wide while still protecting passive users. Without such sharing the largest block under 200 GHz is only 12.5 GHz wide. This presentation will explore the technical and spectrum policy issues in determining whether such sharing is feasible.

Biography:

Michael Marcus is a native of Boston and received S.B. and Sc.D. degrees in electrical engineering from MIT. Prior to joining the FCC in 1979, he worked at Bell Labs on the theory of telephone switching, served in the U.S. Air Force where he was involved in underground nuclear test detection research, and analyzed electronic warfare issues at the Institute for Defense Analyses.
 
At FCC his work focused on proposing and developing policies for cutting edge radio technologies such as spread spectrum/CDMA and millimeterwaves. Wi-Fi is one outcome of his early leadership. The total amount of spectrum he proposed for unlicensed use and directed the drafting of implementing rules was 8.234 GHz. He also participated in complex spectrum sharing policy formulation involving rulemakings such as ultrawideband and MVDDS. Awarded a Mike Mansfield Fellowship in 1997, he studied the Japanese language and spent at year at the FCC’s Japanese counterpart.
 
He retired from FCC in March 2004 after servicing a senior technical advisor to the Spectrum Policy Task Force and codirecting the preparation of the FCC’s cognitive radio rulemaking. Immediately after retirement he lived in Paris France for 3 years, consulting for US and European clients. In 2006 he was appointed Special Advisor to Mrs. Viviane Reding, European Commissioner for Information Society & Media.
 
He is now Director of Marcus Spectrum Solutions LLC, an independent consulting firm based in the Washington DC area and focusing on wireless technology and policy. He is also Principal Research Scientist, Institute for the Wireless Internet of Things and Adjunct Professor of ECE at Northeastern University. He previously had temporary teaching positions at George Washington U., MIT and Virginia Tech and was a visiting researcher at University of Tokyo. He was recognized as a Fellow of the IEEE “for leadership in the development of spectrum management policies”, received in 1994 IEEE-USA’s first Electrotechnology Transfer Award , and received in 2013 the IEEE ComSoc Award for Public Service in the Field of Telecommunications “For pioneering spectrum policy initiatives that created modern unlicensed spectrum bands for applications that have changed our world.”

Email:

Address:8026 Cypress Grove Ln, , Cabin John, Maryland, United States, 20818




Agenda

Presentation at 12:00pm - 1:00pm CDT