Cellular Wireless Networks in the Upper Mid-Band
Speaker: Prof. Sundeep Rangan
New York University, USA
DEIB - Carlo Erba Room (Bld. 7)
Piazza Leonardo da Vinci, 32
September 9th, 2024 | 10.00 am
Contact: Prof. Marco Mezzavilla
Research Line: Information transmission
New York University, USA
DEIB - Carlo Erba Room (Bld. 7)
Piazza Leonardo da Vinci, 32
September 9th, 2024 | 10.00 am
Contact: Prof. Marco Mezzavilla
Research Line: Information transmission
Sommario
On September 9th, 2024 at 10.00 am the seminar "Cellular Wireless Networks in the Upper Mid-Band" will take place at DEIB Carlo Erba Room (Building 7).
The upper mid-band -- approximately from 7 to 24 GHz --- has recently attracted considerable interest for new cellular services. The frequency range has vastly more spectrum than the highly congested bands below 7 GHz while offering more favorable propagation and coverage than the millimeter wave (mmWave) frequencies. In 3GPP, this frequency range has been referred to as FR3. Realizing systems that exploit the full range of the FR3 bands presents significant challenges. Most importantly, spectrum will likely need to be shared with incumbents including communication satellites, military RADAR, and radio astronomy. Also, the upper mid-band is simply a vast frequency range presenting significant challenges on the RF front-end. Due to the wide bandwidth, combined with the directional nature of transmission and intermittent occupancy of incumbents, cellular systems will likely need to be agile to sense and intelligently use large spatial and frequency degrees of freedom. In this talk, we review initial results on feasibility and potential gains of such systems including: (1) ray tracing simulation to assess potential gains of multi-band frequency adaptive systems; (2) machine learning methods for wideband channel modeling; (3) an evaluation of potential cross interference between satellites and terrestrial cellular services and interference nulling to reduce that interference; and (4) novel software defined radio (SDR) platforms for research and development in these bands (developed by NYU spin-off Pi-Radio). Joint work with Marco Mezzavilla (Politecnico di Milano), Seongjoon Kang (Samsung), Hamed Rahmani (NYU), and Aditya Dhananjay, and Mike Zappe (Pi-Radio).
Sundeep Rangan received the B.A.Sc. at the University of Waterloo, Canada and the M.Sc. and Ph.D. at the University of California, Berkeley, all in Electrical Engineering. He has held postdoctoral appointments at the University of Michigan, Ann Arbor and Bell Labs.In 2000, he co-founded (with four others) Flarion Technologies, a spin off of Bell Labs, that developed Flash OFDM, one of the first cellular OFDM data systems and pre-cursor to 4G systems including LTE and WiMAX. In 2006, Flarion was acquired by Qualcomm Technologies where Dr. Rangan was a Director of Engineering involved in OFDM infrastructure products. He joined the ECE department at NYU Tandon (formerly NYU Polytechnic) in 2010. He is a Fellow of the IEEE and Associate Director of NYU WIRELESS, an academic-industry research center researching next-generation wireless systems.
The upper mid-band -- approximately from 7 to 24 GHz --- has recently attracted considerable interest for new cellular services. The frequency range has vastly more spectrum than the highly congested bands below 7 GHz while offering more favorable propagation and coverage than the millimeter wave (mmWave) frequencies. In 3GPP, this frequency range has been referred to as FR3. Realizing systems that exploit the full range of the FR3 bands presents significant challenges. Most importantly, spectrum will likely need to be shared with incumbents including communication satellites, military RADAR, and radio astronomy. Also, the upper mid-band is simply a vast frequency range presenting significant challenges on the RF front-end. Due to the wide bandwidth, combined with the directional nature of transmission and intermittent occupancy of incumbents, cellular systems will likely need to be agile to sense and intelligently use large spatial and frequency degrees of freedom. In this talk, we review initial results on feasibility and potential gains of such systems including: (1) ray tracing simulation to assess potential gains of multi-band frequency adaptive systems; (2) machine learning methods for wideband channel modeling; (3) an evaluation of potential cross interference between satellites and terrestrial cellular services and interference nulling to reduce that interference; and (4) novel software defined radio (SDR) platforms for research and development in these bands (developed by NYU spin-off Pi-Radio). Joint work with Marco Mezzavilla (Politecnico di Milano), Seongjoon Kang (Samsung), Hamed Rahmani (NYU), and Aditya Dhananjay, and Mike Zappe (Pi-Radio).
Sundeep Rangan received the B.A.Sc. at the University of Waterloo, Canada and the M.Sc. and Ph.D. at the University of California, Berkeley, all in Electrical Engineering. He has held postdoctoral appointments at the University of Michigan, Ann Arbor and Bell Labs.In 2000, he co-founded (with four others) Flarion Technologies, a spin off of Bell Labs, that developed Flash OFDM, one of the first cellular OFDM data systems and pre-cursor to 4G systems including LTE and WiMAX. In 2006, Flarion was acquired by Qualcomm Technologies where Dr. Rangan was a Director of Engineering involved in OFDM infrastructure products. He joined the ECE department at NYU Tandon (formerly NYU Polytechnic) in 2010. He is a Fellow of the IEEE and Associate Director of NYU WIRELESS, an academic-industry research center researching next-generation wireless systems.
WebEx: Meeting link:
https://politecnicomilano.webex.com/meet/marco.mezzavilla
Meeting number:
2785 425 9105
Video address:
marco.mezzavilla@politecnicomilano.webex.com
