At an international 5G conference on August 9, Wang Jun, vice president of Huawei’s wireless network product line and chief scientist of 6G, said that 6G is not just an upgrade from 5G, but a leap forward. A globally unified 6G standard is the way forward, according to Wang. To boost 6G R&D, Huawei says it will also work with partners to promote unified global standards.
He mentioned that 6G has a vision of leapfrogging the connection between people and things, moving towards the intelligent connection of everything. 6G is defined by adding intelligence and sensing capabilities to the three scenarios upgraded by 5G. 6G has six key technology directions: native intelligence, extreme connectivity, network awareness, star-ground convergence, native reliability, and carbon neutrality.
Typical 6G application scenarios include: distributed connected machine learning and connected AI, sensing, positioning and imaging, immersive human-centric communication, smart cities and smart life, the complete industry 4.0 and its evolution, and the global coverage of mobile services.
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6G has a multi-layered spectrum. The low band is used in the basic coverage layer, the mid band in the capacity and coverage layer (new 7-15 GHz IF) and the high band in the ultimate experience layer. Overall, the low and mid bands are still the most economical way to get wide coverage. The millimeter wave band is maturing into 6G, and perception is the new driving force. The terahertz band injects unlimited possibilities of perception and communication.
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The data transmission rate of 6G can reach 50 times that of 5G, and the latency is reduced to one tenth of 5G. Meanwhile, 6G is much better in terms of peak throughput, latency, traffic density, connection number density, mobility, spectral efficiency and positioning capability.