The FD-MIMO served to get more information through the airwaves.
In addition, the Korean company, Samsung, also used new3D beam forming algorithms.
For more details check thislink.
Ghosh said: We are exploring flexible physical layer interface across all frequency bands.
He also mentioned that currently Nokia is totally focused on the millimeter wave for both backhaul and access technology.
We are focusing … on sub-6 GHz, centimeter wave and millimeter.
For more details check thislink(Nokia and NI discuss their roles in prototyping 5G applications.)
source: www.techworm.net