From owner-freebsd-wireless@FreeBSD.ORG Thu Oct 27 09:34:40 2011 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8A0EE106564A; Thu, 27 Oct 2011 09:34:40 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 49A218FC13; Thu, 27 Oct 2011 09:34:40 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:2c41:2903:6d8f:ca1c]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPA id 781294AC32; Thu, 27 Oct 2011 13:34:39 +0400 (MSD) Date: Thu, 27 Oct 2011 13:34:34 +0400 From: Lev Serebryakov Organization: FreeBSD Project X-Priority: 3 (Normal) Message-ID: <1443891756.20111027133434@serebryakov.spb.ru> To: Adrian Chadd In-Reply-To: References: <872994138.20111026222719@serebryakov.spb.ru> <329248798.20111027130323@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: quoted-printable Cc: freebsd-wireless@freebsd.org Subject: Re: AR9280: ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: lev@FreeBSD.org List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Oct 2011 09:34:40 -0000 Hello, Adrian. You wrote 27 =EE=EA=F2=FF=E1=F0=FF 2011 =E3., 13:24:19: > Yup. I've obtained an AR5413 based NIC and it seems happy. I bet your > area is just very congested. > Hopefully at some point I can get the OK to release the spectral scan > code, which means you can turn your AR9280 into a spectrum analyser, > then you can see how noisy things are. Ouch! It will be great :) > So if you'd like to try HT/20 or HT/40, give it a shot. It'll at least > be a good test to see what breaks. :) It seems, that HT/40 works with my 802.11g clients, and speed is better than for pure 802.11g. But latter could be artifact of time of day -- I'll do more thoughtful testing at night, as all previous speed tests was not at the middle of working day, but at nights or weekends, and as it is residential district, people use their private WiFi networks at nights, not when they are at work :) --=20 // Black Lion AKA Lev Serebryakov