Serving 22 Users in Real-Time with a 128-Antenna Massive MIMO Testbed

Paul Harris, Wael Boukley Hasan, Steffen Malkowsky, Joao Vieira, Siming Zhang, Mark Beach, Liang Liu, Evangelos Mellios, Andrew Nix, Simon Armour, Angela Doufexi, Karl Nieman, Nikhil Kundargi

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

16 Citations (Scopus)
514 Downloads (Pure)

Abstract

This paper presents preliminary results for a novel 128-antenna massive Multiple-Input, Multiple-Output (MIMO) testbed developed through Bristol Is Open in collaboration with National Instruments and Lund University. We believe that the results presented here validate the adoption of massive MIMO as a key enabling technology for 5G and pave the way for further pragmatic research by the massive MIMO community. The testbed operates in real-time with a Long-Term Evolution (LTE)-like PHY in Time Division Duplex (TDD) mode and supports up to 24 spatial streams, providing an excellent basis for comparison with existing standards and complimentary testbeds. Through line-of-sight (LOS) measurements at 3.51 GHz in an indoor atrium environment with 12 user clients, an uncoded system sum-rate of 1.59 Gbps was achieved in real-time using a single 20 MHz LTE band, equating to 79.4 bits/s/Hz. In a subsequent indoor trial, 22 user clients were successfully served, which would equate to 145.6 bits/s/Hz using the same frame schedule. To the best of the author’s knowledge, these are the highest spectral efficiencies achieved for any wireless system to date.
Original languageEnglish
Title of host publication2016 IEEE International Workshop on Signal Processing Systems (SiPS)
Subtitle of host publicationProceedings of meeting held 26-28 October 2016, Dallas, Texas, United States
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Pages267-272
Number of pages7
ISBN (Electronic)9781509033614
ISBN (Print)9781509033621
DOIs
Publication statusPublished - Jan 2017

Publication series

NameProceedings of the IEEE International Workshop on Signal Processing Systems (SiPS)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISSN (Print)2374-7390

Keywords

  • Massive MU-MIMO
  • Testbed
  • Field trial
  • 5G
  • INDOOR

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  • Prizes

    2016 Customer Application of the Year

    Paul Harris (Recipient), 2015

    Prize: Prizes, Medals, Awards and Grants

  • Engineering Grand Challenges Award

    Paul Harris (Recipient), 2015

    Prize: Prizes, Medals, Awards and Grants

  • European Application of the Year 2016

    Paul Harris (Recipient), 2015

    Prize: Prizes, Medals, Awards and Grants

  • Cite this

    Harris, P., Boukley Hasan, W., Malkowsky, S., Vieira, J., Zhang, S., Beach, M., Liu, L., Mellios, E., Nix, A., Armour, S., Doufexi, A., Nieman, K., & Kundargi, N. (2017). Serving 22 Users in Real-Time with a 128-Antenna Massive MIMO Testbed. In 2016 IEEE International Workshop on Signal Processing Systems (SiPS): Proceedings of meeting held 26-28 October 2016, Dallas, Texas, United States (pp. 267-272). (Proceedings of the IEEE International Workshop on Signal Processing Systems (SiPS)). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/SiPS.2016.54