Downlink Performance of MRT-BD in Multiuser Massive MIMO with Low Resolution ADCs

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The multiuser massive MIMO (multi-input multi-output) system using the low-resolution analog-to-digital converters (ADCs) in the uplink is to realize low cost and power consumption demands, which, however, reduce the signal quality. Beamforming as a signal processing technique can supply high throughputs in the MIMO systems. In this paper, we investigate the robustness of low-resolution ADCs against the interference among the different streams in the uplink and the different users in downlink systems respectively, and propose the maximum ratio transmission - block diagonalization (MRT-BD) scheme as a kind of beamforming to evaluate the effects of low-resolution ADCs in the full digital massive MIMO system. The preliminary conclusion is that the MRT-BD scheme achieves our anticipation to make the rate achievable, even more than it in the infinite-resolution (no quantization) of BD case can be approached using ADCs with only a few bits of resolution.

    Original languageEnglish
    Title of host publicationIEEE 5G World Forum, 5GWF 2018 - Conference Proceedings
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages52-59
    Number of pages8
    ISBN (Electronic)9781538649824
    DOIs
    Publication statusPublished - 2018 Oct 31
    Event1st IEEE 5G World Forum, 5GWF 2018 - Santa Clara, United States
    Duration: 2018 Jul 92018 Jul 11

    Other

    Other1st IEEE 5G World Forum, 5GWF 2018
    CountryUnited States
    CitySanta Clara
    Period18/7/918/7/11

    Keywords

    • low-resolution ADCs
    • Massive MIMO
    • MRT-BD

    ASJC Scopus subject areas

    • Hardware and Architecture
    • Computer Networks and Communications
    • Control and Optimization

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  • Cite this

    Gao, P., & Sanada, Y. (2018). Downlink Performance of MRT-BD in Multiuser Massive MIMO with Low Resolution ADCs. In IEEE 5G World Forum, 5GWF 2018 - Conference Proceedings (pp. 52-59). [8517077] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/5GWF.2018.8517077