Mi Zhang Xiaochen Xia Kui Xu 0001 Xiaoqin Yang Wei Xie 0001 Yunkun Li Yang Liu 0361 A Structured Sparse Bayesian Channel Estimation Approach for Orthogonal Time - Frequency Space Modulation. 761 2023 25 Entropy 5 https://doi.org/10.3390/e25050761 db/journals/entropy/entropy25.html#ZhangX0Y0LL23