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eess.SP2026
FP-ANeT: A Fixed-Point Attention Network for Hybrid-Field THz Ultra-massive MIMO Channel Estimation
Kangchun Zhao, Haitian Yang, Yijie Mao
Ultra-massive multiple-input multiple-output (UM-MIMO) is a key technology for enabling terahertz (THz) communications in 6G networks, offering high beamforming gain to combat seve…
eess.SP2025
Individual Channel Estimation for Beyond Diagonal Reconfigurable Intelligent Surfaces
Kangchun Zhao, Yijie Mao
Beyond Diagonal Reconfigurable Intelligent Surfaces (BD-RIS) has emerged as a promising evolution of RIS technology. By enabling interconnections between RIS elements, BD-RIS archi…