12Gb/s transmissions are a step towards 5G

17th June 2015
Source: Fujitsu
Posted By : Siobhan O'Gorman
12Gb/s transmissions are a step towards 5G

In preparation for the next-generation mobile communications 5G system, Fujitsu Laboratories has announced that it has achieved multiple access by multiplexing millimeter-wave beams. This technology will enable simultaneous high-capacity communications for multiple users while minimising reductions in communications speeds.

In the past, when large numbers of users communicated at the same time, because their emitted radio waves would interfere with each other, there was a need to partition time and frequencies, which resulted in the problem of slower communications speeds. Now, in the 60GHz millimeter-wave band, Fujitsu has developed a technology that reduces radio waves generated outside of the targeted direction during beam formation using array antennas that consisted of multiple aligned antenna elements, to one fifth the conventional amount.

With the developed technology, by multiplexing narrow radio-wave beams, users can communicate without interfering with each other. This minimises reductions in speed during times of high-capacity communications. In internal experimentation, by forming four millimeter-wave beams, Fujitsu was able to achieve 12Gb/s communications speeds, the world's highest level.

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