Some have logically wondered how AT&T is going to find additional spectrum to launch mobile 5G services, since it has virtually no 28-GHz spectrum assets, while Verizon has the most, and even T-Mobile US and Sprint own more.
Of course, some will note, AT&T has other millimeter wave assets, namely 24 GHz and 39 GHz capacity. Some would guess the 24-GHz assets will be most important, initially.
Eventually, we will probably all find that licensed spectrum is an important foundation, but not the only option, as spectrum aggregation becomes more important.
Intermediate term, spectrum aggregation is likely to become important. Long term, capacity should not be an issue, given all the new millimeter resources and unlicensed spectrum the U.S. Federal Communications Commission is going to release.
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