Millimeter wave spectrum does not get nearly the immediate attention that mid-band spectrum gets for rapidly building out U.S. 5G networks. But that will change in late 2023 and 2024, according to Mobile Experts.
"With the limited number of capex dollars, there is too much near-term return on the C-band deployments to ignore,” says Mobile Experts analyst Dan McNamara.
New needs for capacity that mid-band spectrum cannot handle are the driver.
In the following illustration, the width of the blue bars roughly illustrates the amount of capacity at different frequencies. The horizontal axis represents the frequency spectrum from approximately 1 GHz to 90 GHz on a relative scale (mobile services tend to use frequencies at 600 MHz to 800 MHz at the low end).
The orange bars show the approximately 11 GHz (capacity, not frequency) of new spectrum released by the FCC for both licensed and unlicensed use. Note that the total amount of new bandwidth is orders of magnitude more than all bandwidth presently available for mobile purposes.
Europe and Asia are working towards commercialization of much of that spectrum as well.
The red and green blocks show frequency allocations for the aerospace, defense and satellite communications industries, parts of which might ultimately be available using shared spectrum mechanisms.
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