[1] Hadani R, Rakib S, Tsatsanis M et al. Orthogonal Time Frequency Space Modulation[C], 1-6(2017).
[2] Xin W, Tang X G, Zhou Y Q et al. Survey of Channel Estimation Method in Delay-Doppler Domain for OTFS[J]. Journal on Communications, 43, 188-201(2022).
[3] Qu H, Liu G, Zhang L et al. Low-complexity Symbol Detection and Interference Cancellation for OTFS System[J]. IEEE Transactions on Communications, 67, 1524-1537(2021).
[4] Rasheed O, Surabhi G, Chockalingam A. Sparse Delay-Doppler Channel Estimation in Rapidly Time-varying Channels for Multiuser OTFS on the Uplink[C], 1-5(2020).
[5] Raviteja P, Phan K T, Hong Y et al. Embedded Delay-Doppler Channel Estimation for Orthogonal Time Frequency Space Modulation[C], 1-5(2018).
[6] Gao S, Zheng J. Peak-to-average Power Ratio Reduction in Pilot-embedded OTFS Modulation Through Iterative Clipping and Filtering[J]. IEEE Communications Letters, 24, 2055-2059(2020).
[7] Jiang Z J, Liu Q D, Zhang H. Study on OTFS Fractional Doppler Channel Estimation and Windowing in High-speed Mobile Communication Systems[J]. Journal of Electronics & Information Technology, 44, 646-653(2022).
[8] Raviteja P, Phan K T, Hong Y. Embedded Pilot-aided Channel Estimation for OTFS in Delay-Doppler Chan-nels[J]. IEEE Transactions on Vehicular Technology, 68, 4906-4917(2019).
[9] Gomez-Cuba F. Compressed Sensing Channel Estimation for OTFS Modulation in Non-integer Delay-Doppler Domain[C], 1-6(2021).
[10] Mishra H B, Singh P, Prasad A K et al. OTFS Channel Estimation and Data Detection Designs with Superimposed Pilots[J]. IEEE Transactions on Wireless Communications, 21, 2258-2274(2022).
[11] Liu Y, Guan Y L, Gonzalez G. BEM OTFS Receiver with Superimposed Pilots over Channels with Doppler and Delay Spread[C], 2411-2416(2022).
[12] Liu Y, Guan Y L, Gonzalez G. Near-optimal BEM OTFS Receiver with Low Pilot Overhead for High-mobility Communications[J]. IEEE Transactions on Communications, 70, 3392-3406(2022).
[13] Zhu R X, Zhu Z Y, Li J F. Parameter Identification of Time-varying System based on RLS Algorithm Combined with Selective Forgetting[J]. Computer Simulation, 39, 335-339(2022).
[14] Liao Y, Chen Y. Ultra-reliable and Robust Channel Estimation Using Basis Expansion Model-based UKF-RTSS Scheme for V2V Systems[J]. Journal of Electronics & Information Technology, 44, 1792-1799(2022).
