5G – the fifth generation of mobile internet connectivity – could be rolled out in the next year.

Lund University researchers devised the first real-time testbed for so-called Massive MIMO technology, essential to make 5G work.

A MIMO wireless network allows the transmitting and receiving of multiple data signals simultaneously over the same radio channel.

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“From this antenna here we transmit a known signal to the base station. At the same time this antenna here is transmitting a known signal to the base station, and this, and this as well. And then they start this directly afterwards to transmit their data streams to the base station. And in this case we have four users transmitting simultaneously and then based on the spatial signatures what we receive at all of the antennas that we have at the base station when they are transmitting their known signals we can then calculate and we can separate the different data streams that we have here.”

In tests up to 22 simultaneous users successfully occupied the same time frequency band.

So what will 5G mean for us?


“I would say for an everyday user like you and me it’s more like how can the operators get that capacity that they need for you and me. But for industries it can make a huge difference because there we are actually enabling new applications that is coming with a low latency so that we can do real time control and with reliability and both those are needed to get to the next step of wireless communication, to really use it for industrial control.”

5G promises to boost Internet of Things technology, providing infrastructure that carries huge amounts of data.

At the testbed the world-record for spectrum efficiency wireless communication has been achieved – 20 times the data speed of 4G.