Return-path: Received: from zimbra.real-time.com ([63.170.91.9]:50379 "EHLO zimbra.real-time.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754954AbaBEUkb (ORCPT ); Wed, 5 Feb 2014 15:40:31 -0500 Date: Thu, 6 Feb 2014 07:40:14 +1100 From: James Cameron To: Giuseppe Siracusano Cc: linux-wireless@vger.kernel.org Subject: Re: Reduce tx power Message-ID: <20140205204013.GA29649@us.netrek.org> (sfid-20140205_214047_869344_8BE019AB) References: <1391599819.4118.3.camel@Core2> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1391599819.4118.3.camel@Core2> Sender: linux-wireless-owner@vger.kernel.org List-ID: I don't know about ath5k, but in usb8388 firmware (libertas driver) there is a blinding table, into which MAC addresses were inserted, so that the firmware would simulate test conditions. Without a blinding table, sometimes nodes with minimal transmit power, distance, and shielding, could still be reached. RF sometimes works better than you want. -- James Cameron http://quozl.linux.org.au/