What are the significant improvements of 6G technology compared to 5G technology?

Compared with 5G technology, 6G technology has achieved numerous significant enhancements, with details as follows:
Enhancements in Core Capability Indicators:
Peak/Experience Data Rate: The peak data rate of 5G is approximately at the 10Gbps level, while that of 6G can reach 100Gbps-1Tbps. The user experience data rate of 6G is ≥1Gbps, which is 10-100 times higher than that of 5G.
Latency: The latency of 5G is at the millisecond level, while the air interface latency of 6G is <1ms, with a target of 0.1ms level. The end-to-end latency is reduced exponentially, which can better meet application scenarios with extremely high latency requirements.
Connection Density: The connection density of 5G is at the million-level per square kilometer, while that of 6G is increased to the ten-million-level. It can support more device connections and truly realize the Internet of Everything.
Optimization of Coverage and Networking
Networking Mode: 5G mainly relies on terrestrial cellular networks, while 6G adopts cell-free distributed collaborative networking. With terminals as the center and base stations for dynamic collaboration, the signal coverage is more uniform and the power efficiency is higher.
Network Architecture: 5G has a flattened network structure, while 6G builds a three-level network architecture system of "core network - edge network - terminal network". Edge-cloud collaboration enables local real-time processing and global optimization, significantly improving resource utilization efficiency and adaptability to industry scenarios.
Coverage Range: The coverage of 5G is mainly concentrated on the ground, while 6G enables direct connection between mobile phones and satellites. Through the collaborative networking of low-orbit satellite constellations, it expands the wireless signal coverage from the two-dimensional ground plane to the three-dimensional space of air, ground and space.
Expansion of Spectrum and Air Interface: 5G mainly uses low-frequency, medium-frequency and millimeter-wave bands, while 6G expands to terahertz, visible light and other frequency bands. It realizes multi-band integration, which can provide ultra-large bandwidth and higher capacity.
Upgrading of Capabilities and Architecture: 5G mainly focuses on communication functions, while 6G integrates communication and sensing, as well as communication and intelligence. It deeply integrates communication, sensing, computing and AI. The positioning accuracy of 5G is mainly at the meter level, while that of 6G can reach about 10cm indoors and about 1m outdoors. Its environmental sensing and imaging capabilities are also greatly enhanced.
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