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- W4378697018 abstract "In this paper, we proposed a deep neural network (DNN) based fractional Doppler channel estimation scheme for orthogonal time frequency space (OTFS) modulation in the air-to-ground communication scenario with high-dynamic Doppler. Based on the zero-padded OTFS structure, the traditional pilot pattern with guard symbols is adopted. The received pilots in the OTFS domain are used as the inputs of the network to estimate the channel parameters which are used in the MRC algorithm to demodulate the signal. In our proposed method, it can achieve the similar performance with 14 dB boost of pilot energy comparing with the ideal channel estimation case, while the conventional method requires 30 dB higher. Both the accuracy and generalization ability of the DNN network are validated." @default.
- W4378697018 created "2023-05-30" @default.
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- W4378697018 date "2023-01-01" @default.
- W4378697018 modified "2023-10-11" @default.
- W4378697018 title "DNN-Based Fractional Doppler Channel Estimation for OTFS Modulation" @default.
- W4378697018 doi "https://doi.org/10.1109/tvt.2023.3280901" @default.
- W4378697018 hasPublicationYear "2023" @default.
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