5G networks rely on mid-band spectrum to provide the balanced mix of coverage and capacity. For some mobile operators, such as Verizon, C-band spectrum in the 6-GHz range adds between 140 MHz and 200 MHz of additional capacity in the mid-band region, doubling Verizon’s mid-band resources. About 60 MHz is early deployed.
The impact on Verizon 5G speed has been dramatic. Prior to activating its first tranch of C-band spectrum, Verizon 5G speeds were less than 60 Mbps. After the launch, speeds leapt to about 212 Mbps.
Better radios have much to do with propagation characteristics of C-band spectrum (6 GHz). In recent tests, upper-6-GHz signals propagate as far as 3.5-GHz spectrum, according to Licensed 6G Opportunity, a lobbying group of European telcos and suppliers.
Likewise, advances in spectrum sharing reduce interference characteristics between satellite and terrestrial mobile network use of that same spectrum.
source: Verizon
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