From owner-freebsd-wireless@FreeBSD.ORG Thu Oct 10 20:43:06 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 850EF10B for ; Thu, 10 Oct 2013 20:43:06 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-qe0-x22f.google.com (mail-qe0-x22f.google.com [IPv6:2607:f8b0:400d:c02::22f]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 430A02BDC for ; Thu, 10 Oct 2013 20:43:06 +0000 (UTC) Received: by mail-qe0-f47.google.com with SMTP id b4so2532770qen.6 for ; Thu, 10 Oct 2013 13:43:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=Zw05ddMxDacw3yFHgmt4praF2jLfEZI5o6OpXcIxsaA=; b=qIm0dS1qGwQ6cSHNQML6oxUl0wJl61zUK3LCn/ajUH90MYBq6gM4fQd1fHW6jDVxsn qWFBdIJTfgLOCqLQHWrZNHYokQMF0k+8E0PmFRfGum7daVkJd4y/v5eI6aIKXsQYz9IV MiXm7wFSzULucGdFSyPhCqK6c4HK5sIhUZVJl2uyiIBTM8wBQIibtZYByvjkRf0m02yl gM2C0cO3Eh7cnigTUIcX4WgDsIqHs16MyzP7M8KZMeAgfkjBntJc3FFpCZ+XcQLBJnTj Feh2UlzXtiqszEi6iks/hfD0h9uML7dhCLPJIISqr/qvYR1D9Q3PQmXlGMVNsAWHWokJ lR8A== MIME-Version: 1.0 X-Received: by 10.49.131.132 with SMTP id om4mr15151058qeb.2.1381437785368; Thu, 10 Oct 2013 13:43:05 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.224.207.66 with HTTP; Thu, 10 Oct 2013 13:43:05 -0700 (PDT) In-Reply-To: References: Date: Thu, 10 Oct 2013 13:43:05 -0700 X-Google-Sender-Auth: jsTA7sNT71AQGbCoQT0eFClf0Q0 Message-ID: Subject: Re: Correlation values for Atheros adaptive noise immunity From: Adrian Chadd To: w Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: "freebsd-wireless@freebsd.org" X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list 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, 10 Oct 2013 20:43:06 -0000 Yeah, it's all a bit confusing. I'd have to re-read the PHY documentation i have here in order to really understand whta's going on. What are you trying to achieve herE? -adrian On 9 October 2013 20:03, w wrote: > Update: looking at the patent again: > http://www.freepatentsonline.com/7349503.html > > Note that bb_m1thres and bb_m2thres refer to normalized, > self-correlated thresholds, bb_m2count_thr refers to the number of > self-correlation values (wherein a typical count would not exceed 31), > and bb_use_self_corr_low refers to an enabling bit value. > > (but the variables are still quite confusing.) > > > ~ w ~ > > On Thu, Oct 10, 2013 at 10:12 AM, w wrote: > > Yup, I read the patent. I have also read the Atheros documentation for > > ANI (for a different hardware version but it says the operation is > > similar). > > > > Are we able to see physical layer parameters like signal level / > > correlation / channel state information, > > or are they hidden inside the hardware? > > > > ~ w ~ > > > > > > > > On Thu, Oct 10, 2013 at 10:05 AM, Adrian Chadd > wrote: > >> I'm not sure. I think it's a signal level. Have you read the ANI > patent(s) ? > >> > >> > >> > >> -adrian > >> > >> > >> > >> On 9 October 2013 19:04, w wrote: > >>> > >>> Is there any way I can printk the correlation values for ar5416_ani.c= ? > >>> > >>> I couldn=92t find the variable that contains the correlation value. > >>> Line 267 of the ar5416_ani.c file says: > >>> OS_REG_RMW_FIELD(ah, AR_PHY_SFCORR, > >>> AR_PHY_SFCORR_M1_THRESH, m1Thresh[on]); > >>> > >>> I don=92t know what the variables mean or what the function means or > >>> what data type the variables are because I want to printk them. > >>> > >>> References: > >>> > >>> > >>> > http://svnweb.freebsd.org/base/head/sys/dev/ath/ath_hal/ar5416/ar5416_ani= .c?view=3Dmarkup > >>> > >>> https://wiki.freebsd.org/dev/ath_hal%284%29/AutomaticNoiseImmunity > >>> > >>> ~ w ~ > >>> _______________________________________________ > >>> freebsd-wireless@freebsd.org mailing list > >>> http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > >>> To unsubscribe, send any mail to > >>> "freebsd-wireless-unsubscribe@freebsd.org" > >> > >> > _______________________________________________ > freebsd-wireless@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.or= g > " >