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?
Mike
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