Return-path: Received: from mail-qy0-f11.google.com ([209.85.221.11]:34415 "EHLO mail-qy0-f11.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751536AbYLDOo4 convert rfc822-to-8bit (ORCPT ); Thu, 4 Dec 2008 09:44:56 -0500 Received: by qyk4 with SMTP id 4so4944724qyk.13 for ; Thu, 04 Dec 2008 06:44:54 -0800 (PST) Message-ID: <69e28c910812040644i1926aaf7wcf23f81c9dfe09e7@mail.gmail.com> (sfid-20081204_154500_332902_01C90543) Date: Thu, 4 Dec 2008 15:44:54 +0100 From: "=?ISO-8859-1?Q?Stefanik_G=E1bor?=" To: "Larry Finger" Subject: Re: [PATCH V2] rtl8187: Improve wireless statistics for RTL8187 Cc: "Christian Lamparter" , "John W Linville" , "Herton Ronaldo Krzesinski" , "Hin-Tak Leung" , barreyromartin@gmail.com, linux-wireless@vger.kernel.org In-Reply-To: <4937E3DF.4030407@lwfinger.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <49375ac0.z1uZDBLv3IxmmMgD%Larry.Finger@lwfinger.net> <69e28c910812040444l5d76632ah288078bd3db172d4@mail.gmail.com> <200812041357.00103.chunkeey@web.de> <69e28c910812040514l2d325eeekef3decbcce2520b2@mail.gmail.com> <4937E3DF.4030407@lwfinger.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Dec 4, 2008 at 3:06 PM, Larry Finger wrote: > Stefanik G=E1bor wrote: >> >>>From an AP ~5M from my antenna, both cards report around -45dBm. I >> haven't tested the p54usb-based algorithm yet. > > Both the RTL8187 and the RTL8187B "calibrations" were done using a si= ngle sample > of each device, which is probably risky, but the best I could do. > > Is it possible for you to send me the quality and signal strength tha= t you > obtain for the RTL8187 at distances of a few cm, 3m and 10m from the = AP? Please > include which algorithm was used in the conversion. > > Thanks, > > Larry > > > Unfortunately that is not possible, as the RTL8187 is on the onboard WiFi module of a desktop (P5K Premium), while the AP is a combined ADSL modem+wireless router, so it must be placed near the ADSL wall socket. However, I am planning to get an Alfa AWUS036H (high-power RTL8187L with known sensitivity levels) and an Argtek ARG-U25g (similar to the Alfa, just RTL8187B-based), so I will be able to check the distance where the connection drops (which corresponds to the sensitivy levels). --=20 Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-) -- To unsubscribe from this list: send the line "unsubscribe linux-wireles= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html