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Complex Regularized Zero Forcing Precoding for Massive MIMO Systems

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Abstract

In this paper, an energy efficient precoding scheme is proposed for massive multiple-input multiple-output (MIMO) systems. The proposed precoding scheme outperforms the conventional zero forcing (ZF) precoder in terms of the power consumption and the achievable transmission rate by including a complex valued regularization parameter such that the energy efficiency is improved. The proposed energy efficient complex regularized zero forcing precoder is analytically evaluated, verified by simulations and compared to the ZF precoder. The obtained results confirm the robustness of the proposed precoder in massive MIMO systems.

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Authors and Affiliations

  1. Department of Electrical Engineering, Faculty of Engineering, Suez Canal University, Ismailia, Egypt

    Mohamed Mostafa

  2. Department of Electronics and Communications, Faculty of Engineering, Ain Shams University, Cairo, Egypt

    Fatma Newagy & Ismail Hafez

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  1. Mohamed Mostafa
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  2. Fatma Newagy
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  3. Ismail Hafez
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Correspondence to Mohamed Mostafa.

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Mostafa, M., Newagy, F. & Hafez, I. Complex Regularized Zero Forcing Precoding for Massive MIMO Systems. Wireless Pers Commun 120, 633–647 (2021). https://doi.org/10.1007/s11277-021-08482-4

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