Return-path: Received: from mfe1.polimi.it ([131.175.12.23]:55778 "EHLO polimi.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751531AbXLEJ5H (ORCPT ); Wed, 5 Dec 2007 04:57:07 -0500 Date: Wed, 5 Dec 2007 10:52:30 +0100 From: Stefano Brivio To: Holger Schurig Cc: linux-wireless@vger.kernel.org, "Nick Kossifidis" , "Mattias Nissler" , "John W. Linville" , "Johannes Berg" Subject: Re: [RFC][PATCH] mac80211: Use PID controller for TX rate control Message-ID: <20071205105230.0ecc56dc@morte> (sfid-20071205_095711_342991_F57F4BE7) In-Reply-To: <200712050849.46760.hs4233@mail.mn-solutions.de> References: <1196622331.7472.4.camel@localhost> <20071204024146.15689ee3@morte> <40f31dec0712041405sb14243dw9ccb7509e6f58d8@mail.gmail.com> <200712050849.46760.hs4233@mail.mn-solutions.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, 5 Dec 2007 08:49:46 +0100 Holger Schurig wrote: > Or, in other words: if we put the AP 80m away and then try the > test, would the same PID parameters that yielded high MB/s rates > now still keep us a sane (for that distance!) connection? Theoretically, a properly tuned PID controller should act well in both scenarios. The problem here is that we need testing in worse scenarios. I just detached the antenna from my AP, this decreases the signal level by some 20-23dB. Will do some tests. -- Ciao Stefano