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Computer Science > Information Theory

arXiv:2105.09041 (cs)
[Submitted on 19 May 2021]

Title:User-centric Handover in mmWave Cell-Free Massive MIMO with User Mobility

Authors:Carmen D'Andrea, Giovanni Interdonato, Stefano Buzzi
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Abstract:The coupling between cell-free massive multiple-input multiple-output (MIMO) systems operating at millimeter-wave (mmWave) carrier frequencies and user mobility is considered in this paper. First of all, a mmWave channel is introduced taking into account the user mobility and the impact of the channel aging. Then, three beamforming techniques are proposed in the considered scenario, along with a dynamic user association technique (handover): starting from a user-centric association between each mobile device and a cluster of access points (APs), a rule for updating the APs cluster is formulated and analyzed. Numerical results reveal that the proposed beamforming and user association techniques are effective in the considered scenario.
Comments: Paper accepted for publication in the proceedings of the 2021 European Signal Processing COnference (EUSIPCO), 23-27 August 2021, Dublin, Ireland
Subjects: Information Theory (cs.IT); Signal Processing (eess.SP)
Cite as: arXiv:2105.09041 [cs.IT]
  (or arXiv:2105.09041v1 [cs.IT] for this version)
  https://doi.org/10.48550/arXiv.2105.09041
Related DOI: https://doi.org/10.23919/EUSIPCO54536.2021.9616361

Submission history

From: Giovanni Interdonato [view email]
[v1] Wed, 19 May 2021 10:13:29 UTC (103 KB)
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