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Hybrid Massive MIMO Precoding in Cloud-RAN

Part of the book series: Wireless Networks ((WN))

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Abstract

From a signal processing point of view, the novel aspect of hybrid precoding/combining in comparison with the conventional fully digital precoding/combining lies in the introduction of the precoding/combining stage in the RF domain as a result of driving a large-scale antenna array by a limited number of RF chains. By treating the cascade of the RF stage and multiple-input multiple-output (MIMO) channel as the effective channel, the system model of massive MIMO is analogous to the conventional counterpart, where various solution techniques have been proposed for the single-user and multi-user scenarios. On the other hand, problem formulation and optimization of the RF component depend on the choice of the baseband component in a joint RF-baseband design. Therefore, before we embark on the study of hybrid precoding/combining design, we give a brief review of the related background and recent developments in this chapter, which serve as the basis for our proposed research in the subsequent chapters.

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Authors and Affiliations

  1. Department of Electrical and Computer Engineering, McGill University, Montréal, QC, Canada

    Tho Le-Ngoc & Ruikai Mai

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  1. Tho Le-Ngoc
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  2. Ruikai Mai
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Le-Ngoc, T., Mai, R. (2019). Background. In: Hybrid Massive MIMO Precoding in Cloud-RAN. Wireless Networks. Springer, Cham. https://doi.org/10.1007/978-3-030-02158-0_2

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  • DOI: https://doi.org/10.1007/978-3-030-02158-0_2

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  • Online ISBN: 978-3-030-02158-0

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