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eess.SP2026
Unified Generalization for Frequency-Domain Channel Extrapolation Across Near-Field and Far-Field Scenarios
Haoyu Wang, Zhi Sun, Shuangfeng Han +2
As antenna arrays grow, near-field effects become non-negligible in large-scale MIMO, making accurate low-overhead channel acquisition crucial in both far-field and near-field regi…
eess.SP2026
Physics-Informed Path-Parametric Learning for Efficient and Lightweight CSI Feedback
Chunyu Ling, Jiajia Guo, Yiming Cui +4
Channel State Information (CSI) feedback is vital for high spectral efficiency in wireless systems, yet high-dimensional CSI introduce significant feedback overhead. Recent deep le…