An ultra-fast 6G wireless communication system has transmitted data at 112Gbps using ultra-high-frequency 560GHz radio waves.
As the successor to 5G technology, 6G promises ultra-high-speed connectivity, ultra-low latency and AI integration to power smart cities, advanced healthcare and next-generation industrial automation.
To achieve this, 6G networks will need to operate across a range of frequencies, from standard microwaves to much higher frequency terahertz waves.
Conventional electronic technologies face limitations when generating stable high-frequency signals above 350GHz. As these very high radio frequencies are notoriously difficult to generate and control reliably they hinder the development of ultra-high-speed wireless communications in the terahertz range.
A key issue is phase noise – short-term distortions in a signal’s frequency to timing – which increases significantly at these higher frequencies.
To overcome this, researchers at Tokushima University, Japan, developed a...