GKCformer: Transformer-Based Signal Strength Forecasting Model for Underwater Backscatter Communication. - Jun Liu 006; Shenghua Gong; Lei Wan; Tong Zhang 027; Zhenxiang Zhao; Jie Tan; Hao Dong; Jiangzhou Chen; Yuanguo Bi; Guangjie Han (IEEE Internet Things J., 2025)