From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 631E23CB35; Sun, 8 Aug 2021 14:48:42 -0400 (EDT) Received: by mail-lf1-x12c.google.com with SMTP id p38so1702855lfa.0; Sun, 08 Aug 2021 11:48:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=fIevKdesqbGqCc7KjCvy+HWE1hJBoq6entYcY0FCSsY=; b=jzGEgDqu+ZvKc+VsrNJB22me3VM0nRnUpIoB5FXmGK5cX2J+sX6VXn0Wlnpg51Bp7y 5Kngx6wiwIt7TsCFJ2rRzecda3fCF69WOwg+vMhvXS484U/rNnji/moIYq0sFDkwvFof oELMaHvCyFyw4/hJXmvbiPbFeQLZb4kSM/G/XJsN8van8aQs8VYDMLjBv8gZZCN5Lt/D q1vbpzdqV3wvCGR8pTAIAUSWvozXqoNMU5lN5h23rSTxBiZxR7pVZbCqQXdE1V5EVRIH xfnRcJsCIQQFsJCWRCNQ9sGG+MSVKo96LgWpUFExhS0xLTi2IUtqdJMMY/wDWKcQqZtM RX1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=fIevKdesqbGqCc7KjCvy+HWE1hJBoq6entYcY0FCSsY=; b=hqdQvW9Wz6objbPtfnfPIIZ1ejudS+6Tu/jcyyU8HxDk7Zrdtv7FA2hL7bnmZgg4Mj +F0YB4av7FlAcd/1asbUsWW+glcvEAjM5nRshKtH/2xBQLRnJjEiX04vgdPwkaFQgzmE z6zzmYV+1HvAgk446cpVeIQague0aiNFF++GsTs4JvoqJ0uvzIWPnHc+7/4J5sA805rw RU8wZNa6SqtZT3RwSiCr3BX8N3GPzJ/Anodqztzv2N2pRlcWZpEC2PjQHGwSW4jjEp/Z YITa5pgBt+bVMDhbpujpQSN3rFTWJPtUVzqLPi5sLzkVSg4GOGQLUgpaOh0zQbHe4ifW yzBg== X-Gm-Message-State: AOAM531YjLAgFILi9p6YYUk8Rih7oUG4iVnNTelENoWF1V8d93J+IUEp uNgxk4/5foxynKOtVcP3Q0E= X-Google-Smtp-Source: ABdhPJwHhYQaL61B/a9LOcNen6jknzFakESasG8jJU0lLYfE6IKvvQuQ8bnvM34z2d1U7ivsV/9iBQ== X-Received: by 2002:a19:dc57:: with SMTP id f23mr14364290lfj.294.1628448520994; Sun, 08 Aug 2021 11:48:40 -0700 (PDT) Received: from smtpclient.apple (178-55-56-220.bb.dnainternet.fi. [178.55.56.220]) by smtp.gmail.com with ESMTPSA id bt25sm720690lfb.282.2021.08.08.11.48.36 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 08 Aug 2021 11:48:40 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) From: Jonathan Morton In-Reply-To: Date: Sun, 8 Aug 2021 21:48:32 +0300 Cc: Bob McMahon , starlink@lists.bufferbloat.net, Make-Wifi-fast , Leonard Kleinrock , Cake List , codel , cerowrt-devel , bloat , dickroy@alum.mit.edu Content-Transfer-Encoding: quoted-printable Message-Id: <0068DE73-1877-4879-B250-97586B545372@gmail.com> References: <1625188609.32718319@apps.rackspace.com> <989de0c1-e06c-cda9-ebe6-1f33df8a4c24@candelatech.com> <1625773080.94974089@apps.rackspace.com> <8677F5C4-1893-4A61-A13C-3C8BE17CB789@cs.ucla.edu> <4F6EFB347C08475A9F53B24E0D8BEAE2@SRA6> To: Aaron Wood X-Mailer: Apple Mail (2.3654.100.0.2.22) Subject: Re: [Cerowrt-devel] [Bloat] [Make-wifi-fast] [Starlink] [Cake] Due Aug 2: Internet Quality workshop CFP for the internet architecture board X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 Aug 2021 18:48:42 -0000 > On 8 Aug, 2021, at 9:36 pm, Aaron Wood wrote: >=20 > Less common, but something I still see, is that a moving station has = continual issues staying in proper MIMO phase(s) with the AP. Or I = think that's what's happening. Slow, continual movement of the two, = relative to each other, and the packet rate drops through the floor = until they stop having relative motion. And I assume that also applies = to time-varying path-loss and path-distance (multipath reflections). So is it time to mount test stations on model railway wagons? - Jonathan Morton=