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by rayiner
2670 days ago
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> Sure, but running it down the street is comparatively a much bigger cost. The branch factor kills you. I had fiber installed at my house. It took half a day to run it down the main road to the subdivision another half a day to run it to the pole next to my house. Another half a day to trench it under my driveway and install the CPE. If they just ran it to the subdivision and put up a 5G base station, they could serve a couple of hundred users. It would cost far more time to actually pull the fiber to each of those same couple of hundred users. |
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If you want enough bandwidth to replace fiber to the premises, you're going to use millimeter wave (if you're talking one tower per neighborhood you're already talking about mm wave), so you'd need completely unobstructed line of site to every single house. The pole would need to be high enough that tower would he a more accurate description, you'd have to keep removing trees and cutting branches to maintain that clear line of site, and rain would cause problems.
I've set up microwave transmitters before for a similar use case. At these frequencies it's going to be much harder.
My guess is that they're going to have to run fiber to the end of the hypothetical subdivision anyway and set up multiple towers throughout.
Also you don't need to actually run fiber to every house to get competitive speeds to 5G. And you can run fiber without burying it. I don't think 5G towers in every suburban neighborhood is going to be a viable replacement for cable.