Of five use cases predicted for 5G, just one--mobile broadband--is an existing and common application for a mobile network (20 percent). The big change is that three of five (60 percent) of the expected applications will be sold to enterprises.
The other potentially-important change is that fixed wireless could emerge as among the important new applications, and is expected to be the first way 5G appears as a commercial reality in the U.S market.
Of the five expected use cases, next-generation mobile internet access arguably cannibalizes existing 4G mobile internet access. The other four use cases mostly involve new use cases and applications.
That is important, since the business rationale for deploying 5G is that 4G use cases, applications and revenue essentially have reached saturation in some markets. Without new use cases, 5G might mostly cannibalize existing 4G use cases, and not produce much in the way of incremental revenue for mobile operators.
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