Re: [6gip] continueing the discussion on B5G
David Lake <d.lake@surrey.ac.uk> Thu, 07 January 2021 19:42 UTC
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From: David Lake <d.lake@surrey.ac.uk>
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>, "6gip@ietf.org"
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Thread-Topic: [6gip] continueing the discussion on B5G
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Date: Thu, 7 Jan 2021 19:42:24 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/6gip/uXeh3vAAInYkQIaH_H7KPQi524I>
Subject: Re: [6gip] continueing the discussion on B5G
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This falls into the realm of the "bandwidth testers" on Broadband... What was the contention on the gNB<->Aggregation link? Where is the server they were testing with? What was the connectivity to that? Also, what was the profile in use on the air-interface - you can set different traffic profiles per UE. If you look at the tight coupling of numerology and IP QoS as used in VoLTE (or Vo5GNR) then it is possible to define a proper traffic performance. If only we had that ability on the Internet... Once you exit N6, all bets are off. David From: 6gip <6gip-bounces@ietf.org> On Behalf Of Alexandre Petrescu Sent: 07 January 2021 18:03 To: 6gip@ietf.org Subject: Re: [6gip] continueing the discussion on B5G I recently read an article in the New York Times where the writer tested a few 5G smartphones on some cellular networks and some places in USA. He said that 5G bandwidth looked higher than 4G+ to him in some places but he felt that better in open areas rather than indoors. It was not significantly higher, just a little bit higher. I think what 5G needs is these intelligent reflecting surfaces which might help increase coverage in a more energy-efficient manner, maybe less risky for health, and avoid somehow in some cases societal opposition. We cant dream about hundred Gbit/s bandwidths for IP on 6G if the increase from 4G to 5G bandwidths is not at leastten times more. If 4G is 50Mbit/s and 5G is 100Mbit/s then we cant expect 6G to be 100GBit/s. Le 03/12/2020 à 12:32, Alexandre Petrescu a écrit : 3. use of meta surfaces (aka Intelligent Reflecting Surfaces). This is a feature newly proposed in 6G that was never mentioned in earlier generations, but it is a natural tool in the bag of the radio inclined designer. If range is not enough then put a reflecing surface there to extend the range. New in 6G is that these surfaces seem to be more intelligent at PHY layer - it's not just a piece of concrete (like a mirror) but some nano electronics are put on it to reflect in a more intelligent way.
- [6gip] Slides from IETF 109 Side Meeting Behcet Sarikaya
- Re: [6gip] Slides from IETF 109 Side Meeting Dirk.von-Hugo
- Re: [6gip] Slides from IETF 109 Side Meeting David Lake
- Re: [6gip] Slides from IETF 109 Side Meeting John Grant
- [6gip] continueing the discussion on B5G Dirk.von-Hugo
- Re: [6gip] continueing the discussion on B5G Alexandre Petrescu
- Re: [6gip] continueing the discussion on B5G Behcet Sarikaya
- Re: [6gip] continueing the discussion on B5G Alexandre Petrescu
- Re: [6gip] continueing the discussion on B5G Frank Fitzek
- Re: [6gip] continueing the discussion on B5G Alexandre Petrescu
- Re: [6gip] continueing the discussion on B5G Frank Fitzek
- Re: [6gip] continueing the discussion on B5G David Lake
- Re: [6gip] continueing the discussion on B5G Alexandre Petrescu
- Re: [6gip] continueing the discussion on B5G John Grant
- Re: [6gip] continueing the discussion on B5G Alexandre Petrescu
- Re: [6gip] continueing the discussion on B5G Rex Buddenberg