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eess.SP2026
Doppler Shift Keying Modulation for Uplink Multiple Access over Doubly-Dispersive Channels
Xuehan Wang, Jintao Wang, Hai Lin +4
The delay-Doppler (DD) domain modulation has been regarded as one of the most competitive candidates to support wireless communications for emerging high-mobility applications in t…
cs.IT2026
A Unified Pulse-Shaped OFDM Framework for Chirp-Domain Waveforms: Continuous-Time Modeling and Practical I/O Analysis
Yating Jiang, Hai Lin, Yi-Han Chiang +1
A unified framework for chirp-domain waveforms, including orthogonal chirp division multiplexing (OCDM) and affine frequency division multiplexing (AFDM), is developed. Their conti…
econ.EM2026
Channel Estimation with Hierarchical Sparse Bayesian Learning for ODDM Systems
Jiasong Han, Xuehan Wang, Jingbo Tan +4
Orthogonal delay-Doppler division multiplexing (ODDM) is a promising modulation technique for reliable communications in high-mobility scenarios. However, the existing channel esti…