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eess.SP2026
Low-Rank Prior-Guided Rank-One Sensing for Efficient CSI Feedback
Shunpu Tang, Qianqian Yang, Seung-Woo Ko +1
Downlink channel state information (CSI) feedback is essential for frequency-division duplex massive MIMO, yet the feedback overhead grows rapidly with the numbers of antennas and…
eess.SP2026
Semantics-Aware Hierarchical Token Communication: Clustering, Bit Mapping, and Power Allocation
Jihoon Lee, Seungeun Oh, Jihong Park +2
Despite the rise of token communication (TokCom) as a new paradigm beyond traditional bit communication, existing approaches have primarily adopted artificial intelligence (AI)-cen…
eess.SP2024
Near-Field Localization with RIS via Two-Dimensional Signal Path Classification
Jeongwan Kang, Seung-Woo Ko, Sunwoo Kim
In this paper, we propose two-dimensional signal path classification (2D-SPC) for reconfigurable intelligent surface (RIS)-assisted near-field (NF) localization. In the NF regime,…