This graphic from 3GPP shows how differently fifth generation networks (5G) are being thought about. Where earlier generations of mobile networks used different air interfaces and modulation, as well as different portions of the spectrum, those were the big differences.
To be sure, modulation efficiency, delivering more bits per Hertz of bandwidth, was gained in each generation. But there was not the intentional embedding of features and capabilities related to core network virtualization and applications.
In the 3GPP graphic, there is no mention of air interface or modulation. Instead, the focus is on application support. To the extent the “network” is emphasized, it is features of the core network (network slicing, interworking, connectivity and routing) that are emphasized, not the radio link.
Coding efficiency gains will be there. But even gigabit speeds are not seen as key. It is all about the apps support.
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