Enhanced channel prediction in large-scale 5G MIMO-OFDM systems using pyramidal dilation attention convolutional neural network. - Chirakkal Radhakrishnan Rathish; Balakrishnan Manojkumar; Lakshmanaperumal Thanga Mariappan; Panchapakesan Ashok; Arun Kumar Udayakumar; Krishnan Balan (Internet Technol. Lett., 2025)