6G Radio Technology Part I: Basic Radio Technologies Shaping Tomorrow: The Evolution of Personalized Digital Experiences Through 6G Technologies 6G Spectrum Considerations Beyond Speed: Promoting Social and Economic Opportunities through 6G and Beyond 6G Technologies for Wide Area Cloud Evolution 6G: The Next Frontier of Innovation and Investment Network-Enabled Robotic and Autonomous Systems 6G Roadmap for Vertical Industries AI-Native Wireless Networks 6G Sustainability KPI Assessment Introduction and Gap Analysis Sustainable 6G Connectivity A Powerful Means of Doing Good Multi-Sensory Extended Reality (XR) in 6G Terminology for Frequency Ranges Digital World Experiences Cost-EfficientSolutions Trust, Security, and Resilience for 6G Systems 6G Distributed Cloud and Communications Systems 6G Technologies 6G Applications and Use Cases Roadmap to 6G Green G: The Path Toward Sustainable 6G