From: Felix Fietkau <nbd@openwrt.org>
To: Ivo Van Doorn <ivdoorn@gmail.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>,
Johannes Berg <johannes@sipsolutions.net>
Subject: Re: Rate control & USB
Date: Mon, 12 Jul 2010 17:17:51 +0200 [thread overview]
Message-ID: <4C3B321F.2020609@openwrt.org> (raw)
In-Reply-To: <AANLkTinubmjYu9FyDU0B81F0gHmFPLnDUWYGmZ9Rodss@mail.gmail.com>
On 2010-07-12 12:48 PM, Ivo Van Doorn wrote:
> The problem here is that we have lost the per-sta statistics. However using the
> single TX status reports, we can count the number of frames which are sent for
> a given STA during the poll interval. We can then determine the percentage of
> frames sent for that STA, We can then add the percentage of the retry and ACK
> count to each STA. Throughout poll interval the rate algorithm would send all
> frames to the same STA with the same TX rate, but between polls, the rate will
> be updated.
>
> Overall these changes will not make the optimal use of PID or
> Minstrel, but it would
> at least improve the situation for USB.
>
> Any thoughts about this solution?
I don't know how minstrel could work with this approach. Before it
starts to use a rate, it has to sample it first. How can you sample
rates with your tx status feedback approach?
- Felix
next prev parent reply other threads:[~2010-07-12 15:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-12 10:48 Rate control & USB Ivo Van Doorn
2010-07-12 15:17 ` Felix Fietkau [this message]
2010-07-12 15:20 ` John W. Linville
2010-07-12 18:55 ` Ivo Van Doorn
2010-07-12 16:25 ` Steve deRosier
2010-07-12 18:54 ` Ivo Van Doorn
2010-07-12 19:14 ` Helmut Schaa
2010-07-13 6:59 ` Ivo Van Doorn
2010-07-13 19:15 ` Helmut Schaa
2010-07-13 19:51 ` Ivo Van Doorn
2010-07-14 1:53 ` Julian Calaby
2010-07-14 21:36 ` Ivo Van Doorn
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