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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

Author

Kazuki Maruta

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2 papers indexed here

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Open access Oct 2026

An iterative interference replica subtraction approach for low-complexity precoding in multiuser massive MIMO null-space expansion

This paper proposes a novel precoding weight that reduces computational cost and enhances inter-user-interference (IUI) suppression performance in time-variant multi-user massive multiple-input multiple-output (MIMO) environments. In multiuser MIMO transmission, channel variations degrade IUI suppression performance...

Yuta Tsunoda, Yuki Sasaki, Rui Dinis et al. · 0 citations
Open access Sep 2026

Phase-controlled null-space expansion for analog beamforming massive MIMO in high-mobility scenarios

A novel null-space expansion scheme based on phase-only control to exploit the degrees of freedom of massive antenna elements even in analog beamformers is proposed and the impact of phase quantization error is evaluated to confirm the practical feasibility of the proposed scheme.

Yuta Tsunoda, Mitsuki Muroi, Yuki Sasaki et al. · 0 citations

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