Intelligent Reflector Metasurface Design for 6G Adaptive Beamforming Using Model-Level Multi-Scale Edge Guided Attention Graph Neural Network With Biruni Earth Radius Optimization. - Jyoti Atul Dhanke; R. Krishnamoorthy 004; G. S. N. Murthy; Lakshmana Phaneendra Maguluri; Jnaneshwar Pai Maroor; Mangal Singh (Int. J. Commun. Syst., 2026)