2 papers
cs.LG2026
Koopman Identification of Nonlinear Systems via Reservoir Liftings
Weibin Gu, Chen Yang, Lu Shi
Learning tractable linear representations of nonlinear dynamical systems via Koopman operator theory is often hindered by dictionary selection, temporal memory encoding, and numeri…
cs.IT2025
Near-Field Codebook-Based 3D Spherical Channel Estimation for UCA XL-MIMO Systems
Chenliang Yang, Guangchi Zhang, Miao Cui +2
Extremely large-scale multiple input multiple output (XL-MIMO), a key technology for 6G communications, faces challenges in near-field channel estimation due to spherical wavefront…