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Integrated Multimodal Sensing and Edge-Enabled Digital Twins for 6G Networks: A Framework for Cross-Domain Standardization and Beam Management

Abstract

The transition from fifth-generation (5G) to sixth-generation (6G) wireless systems necessitates a paradigm shift in how networks perceive and interact with the physical environment. This research explores the integration of multimodal sensing, Digital Twins (DT), and Edge/Fog computing as the foundational pillars of 6G communication. By synthesizing data from diverse sensors-including cameras, LiDAR, and radar-the network can construct high-fidelity digital replicas of the physical world. This study investigates the "DeepSense 6G" and "Deepverse 6G" frameworks for multimodal data management and examines the viability of training machine learning models in digital environments for real-world deployment. A primary focus is placed on the role of Edge Computing in reducing latency and enhancing privacy in IoT-based smart cities. Furthermore, we analyze the critical need for cross-domain standardization to enable secure, real-time digital twin deployments. Our findings suggest that sensing-aided beam prediction and edge-based intelligence can significantly mitigate the overhead of massive MIMO systems, provided that robust architectures for data management and privacy-preserving protocols are implemented. The article concludes with a comprehensive roadmap for addressing the research gaps in standardization and integrated sensing and communication (ISAC).

Keywords

6G Wireless, Digital Twins, Edge Computing, Multimodal Sensing

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References

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