Preprint
Sep 2026
Channel Estimation for OFDM via Delay-Doppler Refinement
In this paper, we propose a novel channel estimation (CE) algorithm for orthogonal frequency division multiplexing (OFDM) systems that exploits the unique characteristics of the delay-Doppler (DD) domain channel. Specifically, the time-frequency (TF) domain input-output relationship (IOR) is derived in a compact form b...
Ming-Cheng Nie, Hao Chang, Xiao-Qi Zhang et al.
· 1 citation