What do you think about this airline vs 5G brouhaha?

Michael Thomas mike at mtcc.com
Tue Jan 18 22:01:13 UTC 2022

On 1/18/22 1:47 PM, Brandon Martin wrote:
> On 01/18/2022 16:34, Michael Thomas wrote:
>> Is this the band that has really really short range for 5G? If so, it 
>> doesn't seem like a very big deal to give them the airspace on 
>> approaches. I mean, if you live under a flight path by the airport, 
>> not getting fast 5G is hardly your biggest problem.
> This is the C-band spectrum near 4GHz.  The super short-range (or, 
> rather, highly direction and subject to attenuation by almost 
> anything) that you're probably thinking of is likely the UWB mmWave 
> band up at ~30GHz.
> C-band has moderate structure penetration and limited foliage 
> penetration.  With line of sight and at the power levels the carriers 
> would consider running, several miles of usable range would be 
> unsurprising, though I suspect many typical deployments would have 
> design cells smaller than that while using existing "4g" (and newly 
> opened ex-TV broadcast space) low- and mid-band frequencies for wider 
> area coverage at reduced speeds. Interference considerations, 
> especially high above the horizon (planes...) would be present for 
> potentially dozens of miles away.
An article I read said that other countries are accommodating them. What 
are they doing different?


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