Cell-free massive MIMO signal detector fused with multi-head attention by graph neural network

Key Points

• Improved signal detection achieved through a novel approach combining graph neural networks and multi-head attention.
• The proposed method reduces interference and enhances overall communication performance in cell-free massive MIMO systems.
• Analysis utilizes advanced techniques for efficient processing and accurate signal detection, demonstrating effectiveness over traditional methods.
• Significant advancements in wireless communication systems may arise from integrating graph-based approaches and neural networks.