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eess.SP2024
MIMO Precoding Exploiting Extra Degrees of Freedom (DoF) in the Wavenumber Domain
Yuanbin Chen, Xufeng Guo, Tianqi Mao +3
In this paper, we propose an emerging wavenumber-domain precoding scheme to break the limitations of rank-1 channels that merely supports single-stream transmission, enabling simul…
eess.SP2024
Wavenumber-Domain Near-Field Channel Estimation: Beyond the Fresnel Bound
Xufeng Guo, Yuanbin Chen, Ying Wang +2
In the near-field context, the Fresnel approximation is typically employed to mathematically represent solvable functions of spherical waves. However, these efforts may fail to tak…