Chinese researchers have built the world’s first “all-frequency” 6G chip, which is capable of mobile internet speeds of above 100 gigabits per second. The technology breakthrough could help close the digital gap between rural and urban communities by extending coverage across the entire wireless spectrum.
The team working on this chip integrated the entire spectrum from 0.5 GHz to 115 GHz into a thumbnail-sized chip.
The team was led by scientists from Peking University and City University of Hong Kong.
The chip, measuring just 11mm by 1.7mm, consolidates millimetre-wave and terahertz communications with low-frequency microwave bands. This allows seamless switching between frequencies that suit both remote coverage and high-speed applications.
“There is an urgent need to tackle 6G development challenges,” said Professor Wang Xingjun of Peking University to China Science Daily. “As the demand for connected devices grows rapidly, next-generation networks must leverage the strengths of different frequency bands.”
High frequencies offer massive bandwidth and ultra-low latency, useful for applications such as virtual reality and surgical procedures. Lower bands provide wide-area coverage, critical for reaching remote mountains, undersea locations, and even outer space.
The chip also features “frequency-navigation,” which shifts to a clear channel when interference occurs.
“Should any band face interference or blockage, the system can automatically and instantly hop to a clear channel – like a seasoned driver smoothly changing lanes in traffic – ensuring continuous and uninterrupted communication,” said Professor Wang Cheng of City University.
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