6G The Next Hyper Connected Experience for All. Issued by Samsung Research Table of Preface 7 Contents 1 Megatrends toward 6G 9 Connected Machines – Machine as a Main User 9 AI – New Tool for Wireless Communications 11 Openness of Mobile Communications 11 Social Goals and Mobile Communications 12 2 6G Services 13 Truly Immersive XR 13 High-Fidelity Mobile Hologram 14 Digital Replica 15 3 Requirements 17 Performance Requirements 18 Architectural Requirements 19 Trustworthiness Requirements 20 4 Candidate Technologies 22 Terahertz Technologies 22 Novel Antenna Technologies 24 Evolution of Duplex Technology 27 Evolution of Network Topology 28 Spectrum Sharing 30 Comprehensive AI