From: Michal Kazior <michal.kazior@tieto.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: Luca Muscariello <luca.muscariello@gmail.com>,
"make-wifi-fast@lists.bufferbloat.net"
<make-wifi-fast@lists.bufferbloat.net>
Subject: Re: [Make-wifi-fast] Thoughts on tackling airtime fairness
Date: Thu, 12 May 2016 09:26:03 +0200 [thread overview]
Message-ID: <CA+BoTQ=LSOKYcRCjLDbXUipN6Ob4obh6Pj-3ef8D-ijZZu+jbw@mail.gmail.com> (raw)
In-Reply-To: <CAA93jw5KS=4zq_3xeQuAr22YrvUpsa3P0voFTckUm=ju4Q=5OQ@mail.gmail.com>
On 11 May 2016 at 20:13, Dave Taht <dave.taht@gmail.com> wrote:
[...]
> Adding in mu-mimo to the picture makes my head hurt. My understanding
> of how mu-mimo is supposed to work is you have to have accumulated
> 2-3ms worth of packets for the number of stations you are going to
> schedule before it's worthwhile at all.
>
> The stations are going to typically be limited to 1 antenna (most
> laptops have 2), I think. So a 4 antenna system *could* send to 4
> stations if all have traffic pending...
4 antenna system can beamform 3 independent spatial streams that can
be used for MU-MIMO. Depending on connected station capabilities with
4 antenna AP you could do 1+1 (some stations may not be able to
participate in 4-antenna system), 1+1+1 or 1+2 groupings.
Michał
next prev parent reply other threads:[~2016-05-12 7:26 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-11 12:19 Toke Høiland-Jørgensen
2016-05-11 12:55 ` Luca Muscariello
2016-05-11 13:45 ` Toke Høiland-Jørgensen
2016-05-11 14:48 ` Luca Muscariello
2016-05-11 15:10 ` Toke Høiland-Jørgensen
2016-05-11 15:17 ` David Lang
2016-05-11 15:20 ` David Lang
2016-05-11 15:28 ` Toke Høiland-Jørgensen
2016-05-11 15:33 ` Luca Muscariello
2016-05-11 16:19 ` Dave Taht
2016-05-11 16:29 ` Dave Taht
2016-05-11 16:40 ` Toke Høiland-Jørgensen
2016-05-11 16:33 ` Luca Muscariello
2016-05-11 15:07 ` David Lang
2016-05-12 15:59 ` Dave Taht
2016-05-11 15:04 ` David Lang
2016-05-11 16:09 ` Luca Muscariello
2016-05-11 16:41 ` Dave Taht
2016-05-11 18:13 ` Dave Taht
2016-05-12 7:26 ` Michal Kazior [this message]
2016-05-12 8:21 ` Luca Muscariello
2016-05-12 8:40 ` David Lang
2016-05-12 8:48 ` Michal Kazior
2016-05-11 18:28 ` Luca Muscariello
2016-05-11 18:35 ` Luca Muscariello
2016-05-11 15:03 ` David Lang
2016-05-11 15:15 ` Toke Høiland-Jørgensen
2016-05-11 15:24 ` David Lang
2016-05-11 16:35 ` moeller0
2016-05-11 23:25 ` David Lang
2016-05-12 6:41 ` moeller0
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