From owner-freebsd-wireless@FreeBSD.ORG Fri Oct 11 01:30:08 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 20FD367A; Fri, 11 Oct 2013 01:30:08 +0000 (UTC) (envelope-from tx2023@gmail.com) Received: from mail-pa0-x22c.google.com (mail-pa0-x22c.google.com [IPv6:2607:f8b0:400e:c03::22c]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id E98CF2C1A; Fri, 11 Oct 2013 01:30:07 +0000 (UTC) Received: by mail-pa0-f44.google.com with SMTP id lf10so3611291pab.17 for ; Thu, 10 Oct 2013 18:30:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=W0uPUs8316JGl3E1/Up/9cprChDku9JsUDzTuxSfAHA=; b=TAltZRiK6XoAEjyzzfUX3a6yenTCx0TFkwYLpl9rKuOdvMMbXo0tdnLzRiSMVBrB6Z oLFyq48SE/z3xXaNaXt8FXLUJYRW9SVjnM9YaOJC3xagu/ccaOWvYUGVwi1cqL1Lq/fP pzMjtfEG3/n6gy0PtgO0s/Bnk9MscI6V+dunWvBBe15X3MXynjjWqDOrtsMY23GaX1qe c3DB0L7rm3dk80xHWn0UW7Om/SOmPiqiGGiJ+cblEksPQNtTp7ruciKr4bUsxqiZF+TS 7HjadDutJ5uga9cBavpeNUDrDngGUzNGzkPsGwjoK9egywe7wA3KIYpnCJ1ebTlXPZNj fIrA== MIME-Version: 1.0 X-Received: by 10.68.178.161 with SMTP id cz1mr17025428pbc.131.1381455007607; Thu, 10 Oct 2013 18:30:07 -0700 (PDT) Received: by 10.68.13.226 with HTTP; Thu, 10 Oct 2013 18:30:07 -0700 (PDT) In-Reply-To: References: Date: Fri, 11 Oct 2013 09:30:07 +0800 Message-ID: Subject: Re: Correlation values for Atheros adaptive noise immunity From: w To: Adrian Chadd Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable 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: Fri, 11 Oct 2013 01:30:08 -0000 Do you have the open source link for the PHY documentation so I could read = it? Actually my goal is quite simple I think: To test the effectiveness of ANI. Thanks very much. ~ w ~ On Fri, Oct 11, 2013 at 4:43 AM, Adrian Chadd wrote: > 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/ar541= 6_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.org" > >