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eess.SP2025
Low-Complexity Channel Estimation in OTFS Systems with Fractional Effects
Guangyu Lei, Yanduo Qiao, Tianhao Liang +2
Orthogonal Time Frequency Space (OTFS) modulation exploits the sparsity of Delay-Doppler domain channels, making it highly effective in high-mobility scenarios. Its accurate channe…
eess.SP2024★ 3 cited
GI-Free Pilot-Aided Channel Estimation for Affine Frequency Division Multiplexing Systems
Yu Zhou, Haoran Yin, Nanhao Zhou +3
The recently developed affine frequency division multiplexing (AFDM) can achieve full diversity in doubly selective channels, providing a comprehensive sparse representation of the…