From: Michael Buesch <mb@bu3sch.de>
To: bruno randolf <bruno@thinktube.com>
Subject: Re: [RFC PATCH] mac80211: use hardware flags for signal/noise units
Date: Sat, 8 Mar 2008 15:09:20 +0100
Cc: linux-wireless@vger.kernel.org, linville@tuxdriver.com,
	johannes@sipsolutions.net, flamingice@sourmilk.net, jbenc@suse.cz,
	mcgrof@gmail.com, jirislaby@gmail.com, mickflemm@gmail.com
References: <200803082101.24424.bruno@thinktube.com>
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On Saturday 08 March 2008 13:01:24 bruno randolf wrote:
>     b43legacy       dBm(?)  dBm     percent jssi(?)
>     b43             dBm(?)  dBm     percent jssi(?)

It seems that SIGNAL should be dBm. But the calculations currently is
broken and you sometimes get bigger noise than signal.
QUAL is a percentage with a pretty randomly chosen upper signal
limit used as base.