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Re: [E-impact] Carbon-Intelligent Global Routing in Path-Aware Networks

Manner Jukka <jukka.manner@aalto.fi> Wed, 10 May 2023 12:48 UTC

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From: Manner Jukka <jukka.manner@aalto.fi>
To: Dom Robinson <dom@id3as.co.uk>
CC: Michael Welzl <michawe@ifi.uio.no>, Vesna Manojlovic <BECHA@ripe.net>, Daniel Schien <Daniel.Schien@bristol.ac.uk>, "e-impact@ietf.org" <e-impact@ietf.org>, Paul Shabajee <Paul.Shabajee@bristol.ac.uk>, van der Berg Rudolf <Rudolf.vanderBerg@stratix.nl>
Thread-Topic: [E-impact] Carbon-Intelligent Global Routing in Path-Aware Networks
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Date: Wed, 10 May 2023 12:48:27 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/e-impact/Gf_7InA3dB7VTcRXf4NF6hMLHG4>
Subject: Re: [E-impact] Carbon-Intelligent Global Routing in Path-Aware Networks
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> 
> Incidentally @Michael: Wikipedia is wrong: 5g is only more efficient once you are using the majority of the network. In volumetric terms it demands 3 to 4 x MORE energy to deploy. If there is no traffic on the network then it is 3-4 time LESS efficient than not building it in the first place….
> 

For this, we have numbers coming. An MSc thesis just accepted by Aalto analyzed thousands of cell sites in Finland from Telia. We will put the numbers in an article soon, too. The thesis should become available in the coming weeks.

In short, the energy efficiency of 4G vs 5G depends on the radio modules and what MIMO capabilities are deployed. In some configurations, 5G is more energy efficient all the time, while in some, the benefits emerge after 20-80GB/h of delivered traffic.

br,
Juka

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