Perhaps another few thousands from overseas Chinese.
Artificial Intelligence thread
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China achieves new breakthrough by embedding AI algorithms in 6G wireless communications!
Next-generation wireless communication networks will focus on meeting the growing demand for ubiquitous access and finding ways to dynamically and in real time utilize full spectrum resources to support diverse application scenarios. This practical application requirement poses new challenges for the materials used: high-frequency millimeter wave and terahertz bands will provide higher data rates and lower latency, supporting emerging data-intensive services such as extended reality (XR) and remote surgery; while low-propagation-loss sub-6 GHz and microwave bands will continue to provide wide-area coverage in urban and remote areas. Furthermore, the system must possess real-time spectrum reconfiguration capabilities to ensure efficient utilization and stable connectivity in complex spectrum environments.
Chinese scientists have successfully developed an ultra-wideband optoelectronic integrated system, achieving for the first time full-band, flexibly tunable, high-speed wireless communications. This system is expected to provide a foundation for smoother and more reliable 6G wireless communications in the future. The achievement was published online in the journal Nature on the evening of the 27th.
As the next-generation wireless communication network, 6G requires high-speed wireless signal transmission across various frequency bands in diverse scenarios. However, traditional electronic hardware is only suitable for a single frequency band, and components in different frequency bands have different designs, structures, and materials, making cross-band or full-band operation difficult.
To this end, a joint research team from Peking University and City University of Hong Kong, after four years of independent research, has developed an ultra-wideband optoelectronic integrated system. This system enables high-speed wireless signal transmission at any frequency from 0.5 GHz (gigahertz) to 115 GHz—a world-leading full-band compatibility. The system also features flexible tunability, dynamically switching to a safe frequency band to establish a new communication channel when signal interference occurs, improving communication reliability and spectrum efficiency.
"This technology is like building an extra-wide highway, where vehicles are electronic signals and lanes are frequency bands. In the past, cars could only squeeze into one or two lanes, but now there are many lanes to choose from. If one lane is blocked, the car can flexibly change lanes and move faster without getting stuck in traffic," said Professor Wang Xingjun, Vice Dean of the School of Electronic Engineering at Peking University.
Wang Xingjun said that by implanting AI algorithms, this new system will give birth to a more flexible and intelligent AI wireless network. It can not only be used in a variety of complex scenarios, simultaneously realize real-time data transmission and accurate environmental perception, but also automatically avoid interference signals, making network signal transmission safer and smoother.
it's pretty impressive how good the Chinese AI lab scene is now where Meituan's first attempt is already on par (almost) with other leading lab efforts. And way better than Meta.