From owner-freebsd-wireless@FreeBSD.ORG Tue Jul 12 23:06:47 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 21E8C106564A for ; Tue, 12 Jul 2011 23:06:47 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-yw0-f54.google.com (mail-yw0-f54.google.com [209.85.213.54]) by mx1.freebsd.org (Postfix) with ESMTP id D7FB38FC17 for ; Tue, 12 Jul 2011 23:06:46 +0000 (UTC) Received: by ywf7 with SMTP id 7so2684011ywf.13 for ; Tue, 12 Jul 2011 16:06:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=edQBIGsmyzjUUHUO4oQQ/6sMo1+qeduW0qkYHdScMfU=; b=gIemoTSHtLrso+bn2o0uoaR4fQKlky2SBNl8DupwyFULKVBWxJc8j1npCQCK2mRqR3 /eef/0k4tuE5E4WO6dom7P7hJ6JnwKD6vnIzU7ALl4CTtpmWWGP+E7lHwJbShjtShR1X 9I/mTnRlIdB6fE6mKE/UP3XmDez17Arb7iVgI= MIME-Version: 1.0 Received: by 10.150.46.4 with SMTP id t4mr627834ybt.386.1310512006077; Tue, 12 Jul 2011 16:06:46 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.150.189.1 with HTTP; Tue, 12 Jul 2011 16:06:45 -0700 (PDT) In-Reply-To: References: Date: Wed, 13 Jul 2011 07:06:45 +0800 X-Google-Sender-Auth: 3aYuIBarHLKEccpqRSLwddIXJYU Message-ID: From: Adrian Chadd To: Kyungsoo Lee Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-wireless@freebsd.org Subject: Re: Disable CCA X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 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: Tue, 12 Jul 2011 23:06:47 -0000 I may look at implemnting this later on; but disabling CCA breaks the standard in many ways. It will "burst" though - ie, once it acquires the medium, it'll transmit for as long as burstTime says so. adrian On 13 July 2011 03:40, Kyungsoo Lee wrote: > Hi guys, > > I'm using TDMA =A0on FreeBSD for wireless LAN. Recently, I found that it = still > uses CCA. > > Is it possible to turn off CCA? Or may I change carrier sense threshold n= ot > to detect other's transmissions when the node transmits data packets? > > Thanks, > Kyungsoo > _______________________________________________ > 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" >