Multiple Antenna Technologies for Beyond 5G

As this decade is approaching its end, so is the development of 5G technologies. The first 5G networks are currently begin deployed and, over the next few years, we will learn which features in the 5G standards that will actually be used and provide good performance.

When it comes to Massive MIMO for sub-6 GHz and mmWave bands, many of the previously open research problems have been resolved over the past five years – at least from an academic perspective. There are still important open problems at the border between theory and practical implementation. However, I strongly believe that this is a time when we should also look further into the future to identify the next big things.

To encourage more future-looking research, I joined as one of the guest editors of an upcoming special issue on Multiple Antenna Technologies for Beyond 5G in the IEEE Journal on Selected Areas in Communications (JSAC). The call for papers is available online and the submission deadline is 1 September 2019. Hence, if you start your research on this topic right away, you will have plenty of time to write a paper!

The call for papers identifies three promising directions: Cell-free Massive MIMO, Lens arrays, and Large intelligent surfaces. However, I am sure there are many other interesting research directions that are yet to be discovered. I recommend prospective authors to think creatively and look for the next big steps in the multiple antenna technologies. Remember that Massive MIMO was generally viewed as science fiction ten years ago, and now it is a reality!

If you are looking for inspiration, I’m recommending my recent overview paper: Massive MIMO is a Reality – What is Next? Five Promising Research Directions for Antenna Arrays.

One thought on “Multiple Antenna Technologies for Beyond 5G”

  1. I also think that convergence of many technologies like 5G, WiFi, and other wireless network technologies to be seamless on the user device. So having a high level combining-protocol to combine all the connection types to serve the same purpose. The end user doesn’t care on which network he is connected “e.g. WiFi, 5G, …etc”, and all he/she cares about is the quality of service he received.

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