一文彻底看懂6G

Core Insights - The Chinese government has announced significant advancements in 5G infrastructure, with 4.838 million base stations built and over 1.2 billion users, marking the largest and most advanced information infrastructure globally [1] - The development of 6G has entered its second phase, with over 300 key technologies already reserved, indicating a strong commitment to future advancements in mobile communication [1][27] Group 1: Definition and Differences between 6G and 5G - 6G, or the sixth generation of mobile communication technology, is officially referred to as IMT-2030, as designated by the International Telecommunication Union [3] - Unlike 5G, which primarily focuses on speed, 6G aims for a revolutionary integration of the physical, biological, and digital worlds, enhancing overall connectivity and functionality [6][8] Group 2: Key Technologies and Applications of 6G - The key technological directions for 6G include AI-native communication, integrated communication and sensing, and enhanced spectrum efficiency, among others [12] - 6G is expected to support six major application scenarios, including immersive communication, ultra-reliable low-latency communication, and AI integration, expanding the capabilities beyond those of 5G [14][16] Group 3: Performance Metrics and Capabilities - 6G is projected to achieve peak rates of 50 Gbps to 2 Tbps, significantly surpassing 5G's capabilities [23] - Key performance indicators for 6G include a user experience rate of 1-10 Gbps, latency as low as 0.1 ms, and a connection density of up to 1 billion devices per square kilometer [24] Group 4: Development Timeline and Future Outlook - The timeline for 6G development includes significant milestones, such as the establishment of the IMT-2030 promotion group in 2019 and the initiation of standard development by 3GPP expected by 2029 [28][39] - The first commercial systems for 6G are anticipated to be launched around 2030, with a full-scale deployment expected by 2035 [41]