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Sponsored AI Networking Cookbook: Practical recipes for AI-assisted network automation and development AI Networking Cookbook: Practical recipes for AI-assisted network automation and development

Author

F. I. T. Pires

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Preprint Oct 2026

Low-Complexity Tensor-Based Channel Parameter Estimation for mmWave MIMO-Assisted Systems

This paper presents a low-complexity tensor-based channel estimation framework for downlink mmWave massive MIMO systems using passive Butler-matrix beamforming. By modeling received signals as a third-order PARAFAC tensor, we exploit known pilot structures via bilinear alternating least-squares (BALS) optimization to r...

F. I. T. Pires, J. Ferreira, Fazal-E. Asim · 0 citations

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