Academician Wu Hequan: Smartphones to Remain Dominant Terminal for 6G

On March 23, at the "Global 6G Technology Conference," Wu Hequan, an academician of the Chinese Academy of Engineering, shared his insights on the needs and challenges of 6G technology from the perspective of terminal development. Wu Hequan stated that smartphones and IoT modules are likely to be the primary form of 6G terminals, and that XR headsets are not enough to drive the development of the technology.

Improved Indicators of 6G

Wu Hequan highlighted that from 5G to 5G-Advanced and 6G, there are improved indicators such as bandwidth, peak rate, frequency efficiency, energy efficiency, application efficiency, and reliability. However, he emphasized that 6G is not just about pursuing the peak rate of the ten-year generation. Rather, it is more about achieving full coverage of application scenarios and providing more intelligence.

Smartphones Remain the Most Important Application of 6G

According to Wu Hequan, smartphones remain the most important application of 6G. The basic function of calling remains unchanged from 3G, 4G, and 5G. However, the capabilities of 6G networks should have access to satellite internet, high-speed internet, and the ability to call at the speed of motion. Wu Hequan added that the high bandwidth of 6G will make data transmission faster, but unless it is very large-scale data, users may not necessarily experience the difference with 5G or even 4G.

Industrial Modules and Vehicle Terminals

Apart from smartphones, industrial modules and vehicle terminals are another significant application of 6G. Wu Hequan mentioned that industrial modules require higher power, wider channels, more connections, low latency, high-precision positioning, high reliability, and end-to-end integration of the enterprise's PLC data acquisition/control function, edge computing function, and open programming. However, the cost of industrial modules may be too high for individualized applications and different requirements of each factory.

In the case of vehicle-mounted terminals, Wu Hequan highlighted that vehicles can be connected directly, but from the perspective of the network, vehicles and vehicles are non-cooperative. Therefore, low-latency, high-security, and high-precision positioning are crucial for the Internet of Vehicles.

Internet of Things (IoT) Terminal

Wu Hequan added that the Internet of Things terminal does not require high bandwidth but needs low power consumption, low delay, low cost, large connection, high density, high reliability, precise positioning, and long life. The challenge is to make 6G terminals lighter, cheaper, and simpler without requiring more complexity.

6G Uses Terahertz (THz) Frequency Band

Wu Hequan shared that 6G uses the transmission capacity of the terahertz (THz) frequency band, which is 1000 times higher than that of 5G. Additionally, the network delay is reduced from milliseconds to microseconds.

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