Return-path: Received: from mail-yw0-f188.google.com ([209.85.211.188]:37569 "EHLO mail-yw0-f188.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753425Ab0CGENo (ORCPT ); Sat, 6 Mar 2010 23:13:44 -0500 Received: by ywh26 with SMTP id 26so2155386ywh.1 for ; Sat, 06 Mar 2010 20:13:43 -0800 (PST) Message-ID: <4B9327F4.1010109@lwfinger.net> Date: Sat, 06 Mar 2010 22:13:40 -0600 From: Larry Finger MIME-Version: 1.0 To: Malte Gell CC: linux-wireless@vger.kernel.org Subject: Re: iwconfig link quality only up to 70% References: <201003070455.55312.malte.gell@gmx.de> In-Reply-To: <201003070455.55312.malte.gell@gmx.de> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 03/06/2010 09:55 PM, Malte Gell wrote: > Hello, > > When i check the link quality iwconfig says "Link Quality=63/70". > > I wonder, why does it stop at 70%? Why doesn't it say "63/100"? > > I use Linux kernel 2.6.32 on openSUSE 11.1 with a Fritz! WLAN N stick. I know, > not a big issue, I am just curious. It does not stop at 70%. In fact 63/70 == 90%. As all these signal and quality numbers are purely arbitrary, they can be normalized in any way you want. In a number of the Realtek vendor drivers, there is a comment "For Netgear case, they want good-looking singal strength". Larry