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quant-ph2026
Technical Report OFDM-Assisted Simultaneous Quantum and Classical THz Communications
Xin Liu, Chao Xu, Soon Xin Ng +4
The feasibility of cost-effective simultaneous quantum and classical communication (SQCC) transmitting both the quantum key and classical information via a superimposed coherent st…
eess.SP2026
OTFS-IM-Assisted Non-Terrestrial Networks Relying on Autoencoder-Aided Soft-Decision Detection
Xinyu Feng, Chao Zhang, Mohammed EL-Hajjar +2
Orthogonal Time Frequency Space ({OTFS}) modulation offers significant advantages over Orthogonal Frequency Division Multiplexing ({OFDM}), particularly in high speed environments.…
eess.SP2026
Delay-Doppler-Domain Channel Estimation and Reduced-Complexity Detection of Faster-than-Nyquist Signaling Aided OTFS
Zekun Hong, Shinya Sugiura, Chao Xu +1
We conceive a novel channel estimation and data detection scheme for OTFS-modulated faster-than-Nyquist (FTN) transmission over doubly selective fading channels, aiming for enhanci…