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Fully-digital beamforming demonstration with Pi-Radio mmWave SDR platform

Published: 11 October 2020 Publication History

Abstract

Pi-Radio's vision is to democratize wireless research by providing advanced mmWave Software Defined Radio (SDR) platforms to the community at plainly affordable price points. Pi-Radio's v1 SDR features a 4-channel fully-digital transceiver that operates in the 57-64 GHz band. Fully-digital (a.k.a. MIMO) transceiver architectures enable multiple simultaneous TX/RX beams, standing in stark contrast with phased arrays featuring analog beamformers that are capable of transmitting/receiving only one beam at a time. This opens up a whole set of research problems to work on, across virtually every layer of the protocol stack. In this demo, the team will: (1) prove the correct formation of different TX/RX beams by applying geometrically determined beamforming weights, and (2) prove the benefits of fully-digital beamforming by transmitting four independent streams of data with an OFDM-based physical layer.

References

[1]
K. Zheng, A. Dhananjay, M. Mezzavilla, A. Madanayake, S. Bharadwaj, V. Ariyarathna, A. Gosain, T. Melodia, F. Restuccia, J. Jornet, M. Polese, M. Zorzi, J. Buckwalter, M. Rodwell, S. Mandal, X. Wang, J. Haarla, and V. Semkin, "Software-defined radios to accelerate mmwave wireless innovation," in 2019 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN), 2019, pp. 1--4.
[2]
M. Polese, F. Restuccia, A. Gosain, J. Jornet, S. Bhardwaj, V. Ariyarathna, S. Mandal, K. Zheng, A. Dhananjay, M. Mezzavilla, J. Buckwalter, M. Rodwell, X. Wang, M. Zorzi, A. Madanayake, and T. Melodia, "Millimetera: Toward a large-scale open-source mmwave and terahertz experimental testbed," in Proceedings of the 3rd ACM Workshop on Millimeter-Wave Networks and Sensing Systems, ser. mmNets'19. New York, NY, USA: Association for Computing Machinery, 2019, p. 27--32. [Online]. Available
[3]
A. Dhananjay, K. Zheng, J. Haarla, L. Iotti, M. Mezzavilla, D. Shasha, and S. Rangan, "Calibrating a 4-channel Fully-Digital 60 GHz SDR," in to appear in Proceedings, ACM WiNTECH, 2020.
[4]
"Pi-Radio Website." [Online]. Available: https://www.pi-rad.io/
[5]
R. Zhao, T. Woodford, T. Wei, K. Qian, and X. Zhang, "M-cube: A millimeter-wave massive mimo software radio," in Proceedings of the 26th Annual International Conference on Mobile Computing and Networking, ser. MobiCom '20. New York, NY, USA: Association for Computing Machinery, 2020. [Online]. Available

Cited By

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  • (2023)Open-access millimeter-wave software-defined radios in the PAWR COSMOS testbed: Design, deployment, and experimentationComputer Networks10.1016/j.comnet.2023.109922234(109922)Online publication date: Oct-2023
  • (2022)Programmable and Open-Access Millimeter-Wave Radios in the PAWR COSMOS TestbedProceedings of the 15th ACM Workshop on Wireless Network Testbeds, Experimental evaluation & CHaracterization10.1145/3477086.3480834(1-8)Online publication date: 31-Jan-2022

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cover image ACM Conferences
Mobihoc '20: Proceedings of the Twenty-First International Symposium on Theory, Algorithmic Foundations, and Protocol Design for Mobile Networks and Mobile Computing
October 2020
384 pages
ISBN:9781450380157
DOI:10.1145/3397166
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Publication History

Published: 11 October 2020

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Author Tags

  1. SDR
  2. beamforming
  3. fully-digital
  4. mmWave

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View all
  • (2023)Open-access millimeter-wave software-defined radios in the PAWR COSMOS testbed: Design, deployment, and experimentationComputer Networks10.1016/j.comnet.2023.109922234(109922)Online publication date: Oct-2023
  • (2022)Programmable and Open-Access Millimeter-Wave Radios in the PAWR COSMOS TestbedProceedings of the 15th ACM Workshop on Wireless Network Testbeds, Experimental evaluation & CHaracterization10.1145/3477086.3480834(1-8)Online publication date: 31-Jan-2022

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