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Uplink SINR and rate analysis in massive MIMO systems with two-layer linear receiver

Author

Listed:
  • Wahiba Abid

    (University of Carthage
    University of Sherbrooke)

  • Sébastien Roy

    (University of Sherbrooke)

  • Mohamed Lassaad Ammari

    (University of Carthage)

Abstract

In a previous work, a two-layer linear receiver was proposed as a low-complexity scheme that can achieve a good trade-off between performance and complexity in a massive multiple-input multiple-output (MIMO) context. For this scheme, the antenna array is split up into a number of subsets and multi-cell minimum mean-square-error (M-MMSE) combining is applied in each subset at the first layer. Then, the resulting outputs are combined using maximal-ratio combining (MRC) at the second layer. This paper presents a more complete performance analysis. First, we provide an entirely analytical derivation of the distribution of the output signal-to-noise-and-interference ratio (SINR) of first-layer processing based on multivariate statistical theory. The analysis includes both cases where the subset size is smaller or greater than the total number of signals. Furthermore, upper bounds and approximations on the average uplink SINR and achievable rate are derived. Numerical simulations confirm our analysis results.

Suggested Citation

  • Wahiba Abid & Sébastien Roy & Mohamed Lassaad Ammari, 2023. "Uplink SINR and rate analysis in massive MIMO systems with two-layer linear receiver," Telecommunication Systems: Modelling, Analysis, Design and Management, Springer, vol. 83(2), pages 177-188, June.
    • Handle: RePEc:spr:telsys:v:83:y:2023:i:2:d:10.1007_s11235-023-01003-7
    DOI: 10.1007/s11235-023-01003-7
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