Make Room for 6G and 48 GHz Per Second Multiplexers

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With 5G technology rolling out around the world, researchers are thinking ahead to the next logical step, 6G. As Interesting Engineering reports, a multiplexer could be just what 6G needs. Researchers at Osaka University and the University of Adelaide have published their findings about the ultra-small silicon chip that is under development.

“Up until now compact and practical multiplexers have not been developed for the terahertz range. The new terahertz multiplexers, which are economical to manufacture, will be extremely useful for ultra-broadband wireless communications,” stated Associate Professor Withawat Withayachumnankul from the University of Adelaide’s School of Electrical and Electronic Engineering.

Osaka University’s Associate Professor Masayuki Fujita added, “Our four-channel multiplexer can potentially support [an] aggregate data rate of 48 gigabits per second, equivalent to that of uncompressed 8K ultrahigh definition video being streamed in real-time.”   

The team of researchers say that the multiplexer chips offer a much greater spectral bandwidth capacity than what is currently available. The chips are small, and according to the researchers, would be easy to mass produce. Despite the diminished size of the multiplexer chips, researchers contend they can cover a spectral bandwidth far greater than what is currently possible.

“The shape of the chips we have developed is the key to combining and splitting channels so that more data can be processed more rapidly,” said Withayachumnankul. “Simplicity is its beauty.” 

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