World’s 1st 60 GHz mmWave to pave way for ultrafast 6G communication

Interesting Engineeringhas previously reported how researchers in the US and China are working to develop technology components that will facilitate high-speed internet communications that can also be beamed from space. 

World’s first 60 GHz mmWave DMA

The James Watt School of Engineering researchers at the University of Glasgow have developed a prototype of a digitally coded dynamic metasurface antenna (DMA) controlled through a high-speed field-programmable gate array (FPGA).

“In recent years, DMAs have been demonstrated by other researchers around the world in microwave bands, but our prototype pushes the technology much further, into the higher mmWave band of 60 GHz,” said Qammer H Abbasi, a professor of Applied Electromagnetics and Sensing at the University in a press release. “That makes it a potentially very valuable stepping stone towards new use cases of 6G technology and could pave the way for even higher-frequency operation in the terahertz range.”

To build the high-frequency DMA, the researchers used specially designed metamaterials—engineered materials with special abilities that do not occur naturally. The metamaterial components can use software to manipulate electromagnetic waves and create a leaky-wave antenna that can operate at high frequencies. 

The prototype is only the size of a matchbook. Still, using FPGA programming, it can make high-speed interconnections using the metamaterials. When required, the DMA can also shape its beams or create multiples in a matter of nanoseconds to ensure that the connectivity is not broken. 

Applications of the technology and 6G

The DMA can improve sensing and communication in devices such as high-resolution radars in autonomous vehicles such as cars or drones. 

Faster data transfers enable holographic imaging and project images of people and objects worldwide. In hospital settings, the antenna could help monitor patients’ signs and track their movements to improve patient care. 

“The programmable beam control and beam-shaping could help in fine-grained mmWave holographic imaging as well as next-generation near-field communication, beam focusing, and wireless power transfer,” said Masood Ur Rehman, a senior lecturer at the University of Glasgow who was involved in this work.

“6G has the potential to deliver transformative benefits across society. Our high-frequency intelligent and highly adaptive antenna design could be one of the technological foundation stones of the next generation of mmWave reconfigurable antennas,” added Rehman. 

The researchers are keen to work on further improving the antenna design to deliver more versatile and flexible performance to meet the needs of the connected world, the press release added.

The research findings were published in the IEEE Open Journal of Antennas and Propagation.

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