From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) (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 63A593CB38 for ; Sun, 8 Aug 2021 15:58:41 -0400 (EDT) Received: by mail-ed1-x52f.google.com with SMTP id i6so21385943edu.1 for ; Sun, 08 Aug 2021 12:58:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ULaft0fLNsPfUA95AWBeLdvaCTE0ECW348BC0IwckoQ=; b=gRBIivI4OWe+ef++BhlNyMljR5qkjTfSaVvdza0v9Y8+ZytMtPP+2vGx+HuZQr8zKd gw8sw/tS4k0FpOEzJqPBVR1KzooIZThR0d+4ZJ/G4foVqgoB4FXV5EWs2EKn1IxgFzD1 JVKF4aG5gGbEWTDUnGMHepbLxMs5raKvtJ1MA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ULaft0fLNsPfUA95AWBeLdvaCTE0ECW348BC0IwckoQ=; b=tLaFsLgaTndqqzBBvyngJk2z3Wr5RJQHX44GeB4dRvBsxQJ8kL1U6zRO/+ewet6DZl KZVPdsEZejTAn8HNZHVzui2BPI1D9eKT6w7v7Kav9Gqw0/zc358+sE+5Ss8DmsNFZNUt Uq9IKH9zh2w9tYaHwliytqot8rtMPxzPYSElTJFRAtN9K9aVUwbQYyqyPs+3VXWR/tnB wURBcOvxoHm/SKpIQ/GlH0pUJt0eyc6wHBAgpfK97JydqxB2H0LO+dVJYUqU6YE1o9jC jiiq2ek+L19C57409H87uDcCOzxw9wozIetkg377G9qWYdyjkMWteKO6TgFDsyEQ70FD M5IQ== X-Gm-Message-State: AOAM530dKhEF8y1iqPhgh/MIsaGy+S8rcNQKoWY+kQBzriLyDRxFCEIm Owsxn1ymDzfdOeB+yQOh71ot1TvCXnULThvl4LkcXdrxRJ4KSQ8cSfqqYx4ZAWfiKHXd2rzW3Ow by+r7T/9xjs3VGwywEoyBK8SipL9grVAN9XXGOuCE X-Google-Smtp-Source: ABdhPJyP+bcUfXqU3G6xvr0xWyaL4ChHwFYGKUyDc+PXgEtnGS4Sc5OAqk3zBZk+DPod1rTf01txBdVuaIn96/5OVi8= X-Received: by 2002:a05:6402:22aa:: with SMTP id cx10mr2345343edb.59.1628452720063; Sun, 08 Aug 2021 12:58:40 -0700 (PDT) MIME-Version: 1.0 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> <0068DE73-1877-4879-B250-97586B545372@gmail.com> In-Reply-To: <0068DE73-1877-4879-B250-97586B545372@gmail.com> From: Bob McMahon Date: Sun, 8 Aug 2021 12:58:29 -0700 Message-ID: Subject: Re: [Bloat] [Make-wifi-fast] [Starlink] [Cake] [Cerowrt-devel] Due Aug 2: Internet Quality workshop CFP for the internet architecture board To: Jonathan Morton Cc: Aaron Wood , starlink@lists.bufferbloat.net, Make-Wifi-fast , Leonard Kleinrock , Cake List , codel , cerowrt-devel , bloat , dickroy@alum.mit.edu Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000ef67c905c911b1ce" X-List-Received-Date: Sun, 08 Aug 2021 19:58:41 -0000 --000000000000ef67c905c911b1ce Content-Type: multipart/alternative; boundary="000000000000e9f8da05c911b1bc" --000000000000e9f8da05c911b1bc Content-Type: text/plain; charset="UTF-8" Some people put them on roombas. Doesn't work well inside these http://ramseytest.com/index.php On Sun, Aug 8, 2021 at 11:48 AM Jonathan Morton wrote: > > On 8 Aug, 2021, at 9:36 pm, Aaron Wood wrote: > > > > 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 -- This electronic communication and the information and any files transmitted with it, or attached to it, are confidential and are intended solely for the use of the individual or entity to whom it is addressed and may contain information that is confidential, legally privileged, protected by privacy laws, or otherwise restricted from disclosure to anyone else. If you are not the intended recipient or the person responsible for delivering the e-mail to the intended recipient, you are hereby notified that any use, copying, distributing, dissemination, forwarding, printing, or copying of this e-mail is strictly prohibited. If you received this e-mail in error, please return the e-mail to the sender, delete it from your computer, and destroy any printed copy of it. --000000000000e9f8da05c911b1bc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Some people put them on roombas. Doesn't work well ins= ide these=C2=A0http://ramseytes= t.com/index.php

On Sun, Aug 8, 2021 at 11:48 AM Jonathan Morton <chromatix99@gmail.com> wrote:
> On 8 Aug, 20= 21, at 9:36 pm, Aaron Wood <woody77@gmail.com> wrote:
>
> Less common, but something I still see, is that a moving station has c= ontinual issues staying in proper MIMO phase(s) with the AP.=C2=A0 Or I thi= nk that's what's happening.=C2=A0 Slow, continual movement of the t= wo, relative to each other, and the packet rate drops through the floor unt= il they stop having relative motion.=C2=A0 And I assume that also applies t= o time-varying path-loss and path-distance (multipath reflections).

So is it time to mount test stations on model railway wagons?

=C2=A0- Jonathan Morton

This ele= ctronic communication and the information and any files transmitted with it= , or attached to it, are confidential and are intended solely for the use o= f the individual or entity to whom it is addressed and may contain informat= ion that is confidential, legally privileged, protected by privacy laws, or= otherwise restricted from disclosure to anyone else. If you are not the in= tended recipient or the person responsible for delivering the e-mail to the= intended recipient, you are hereby notified that any use, copying, distrib= uting, dissemination, forwarding, printing, or copying of this e-mail is st= rictly prohibited. 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