3 papers
cs.IT2025
Enhancing Channel Estimation for OTFS systems using Sparse Bayesian Learning with Adaptive Threshold
Tengfei Qi, Yifei Yang, Xiong Deng +5
Orthogonal time frequency space (OTFS) modulation is a two-dimensional modulation scheme designed in the delay-Doppler (DD) domain, exhibiting superior performance over orthogonal…
eess.SP2024
Sparse Matrix Coding for URLLC
Yifei Yang
Sparse Vector Coding (SVC) has long been considered an encoding method that meets the URLLC QOS requirements. This encoding method has been widely studied and applied due to its lo…
cs.LG2024
FreDF: Learning to Forecast in the Frequency Domain
Hao Wang, Licheng Pan, Zhichao Chen +6
Time series modeling presents unique challenges due to autocorrelation in both historical data and future sequences. While current research predominantly addresses autocorrelation…