From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from vsmx001.dclux.xion.oxcs.net (vsmx001.dclux.xion.oxcs.net [185.74.65.81]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 7DEB43B29E for ; Tue, 12 Apr 2022 18:39:24 -0400 (EDT) Received: from proxy-1.proxy.oxio.ns.xion.oxcs.net (proxy-1.proxy.oxio.ns.xion.oxcs.net [83.61.18.4]) by mx-out.dclux.xion.oxcs.net (Postfix) with ESMTPA id A1BE48C035B; Tue, 12 Apr 2022 22:39:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=dclux.xion.oxcs.net; s=mail1; t=1649803163; bh=esZX+g6Aop/zg1s0os13ZgHp+CkYEeWcNeZ+l6q3qsk=; h=Date:From:To:Cc:In-Reply-To:References:Subject:From; b=Uo/HCMp+vFsL+H7f/OuDsxvXGu5CXzWxhVhD7ZBwrI13kel/LgpnhQhrOJo9lcDGE cy1KJ0t2H08v855M/I/kd+bx/NGY4UmpVuikufxCgvSkUBuTZ3I+zC4+9f7Y0cMcc8 bklLkLLcHBttEzb19en//YimvX8/pjlXEjrwXaqP2F3yFwCQSlZV3rGBk3RxTcJUk1 vELaxA1A12D851UHdzxjNkTZfoNEusdFbqqAhW9FrnkQlGIl8CRTeokgramFK6DmWq ouBfMgIU0LZnO8Pd1vw2Y+gYpYILlyRKEnByo4xAmEn1mQhCCTresRP/CcNygw9nJ8 ZCNsRcWmfevig== Date: Wed, 13 Apr 2022 00:39:12 +0200 From: Mike Puchol To: Jeremy Austin Cc: David Lang , starlink@lists.bufferbloat.net, Dave Collier-Brown Message-ID: In-Reply-To: References: <168F6AAF-7953-4498-913A-A322D184FF2B@falco.ca> <67d53857-4b4d-4604-be1c-e3972477bc75@Spark> X-Readdle-Message-ID: ee026b94-86c1-4820-b0e3-46476df0ed7e@Spark MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="6255ff95_1f48eaa1_36b" X-VadeSecure-Status: LEGIT X-VADE-STATUS: LEGIT Subject: Re: [Starlink] SpaceX ordered to explain pricing strategy X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Apr 2022 22:39:24 -0000 --6255ff95_1f48eaa1_36b Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Oh, one thing we know for sure is they are already covering certain cells= with multiple channels (different frequencies, as mentioned). We have ob= served two terminals in the same location having different POP latency pa= tterns, which can only be explained by having two separate paths. Best, Mike On Apr 13, 2022, 00:30 +0200, Jeremy Austin , wrote:= > > > > On Tue, Apr 12, 2022 at 1:25 PM Mike Puchol wrot= e: > > > The frequency re-use is a factor of steering angle. Take these two = spot beams, and the cells that they cover. The left side is a beam almost= at nadir, the right side is close to maximum steering angle. Any hexagon= al cell inside the beam=E2=80=99s footprint cannot be covered by another = beam (from same or other satellite), as the overlap would violate the res= trictions on Starlink=E2=80=99s license: > > > > =C2=A0I don't disagree with the description of this type of spatial r= euse.=C2=A0 It will be interesting to see how nonlinear the capacity grow= th=C2=A0due to tighter angles=C2=A0is, however, and whether it's more lik= e a 4x increase or an 8x increase. > > > > The question of whether they can achieve their goals without addition= al reuse (for example, covering a given hex with more than one channel) i= s open. =46un times. > > > -- > -- > Jeremy Austin > Sr. Product Manager > Preseem =7C Aterlo Networks > preseem.com > > Book a Call: https://app.hubspot.com/meetings/jeremy548 > Phone: 1-833-733-7336 x718 > Email: jeremy=40preseem.com > > Stay Connected with Newsletters & More:=C2=A0https://preseem.com/stay-c= onnected/ --6255ff95_1f48eaa1_36b Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline
Oh, one thing we know for sure is they are already = covering certain cells with multiple channels (different frequencies, as = mentioned). We have observed two terminals in the same location having di= fferent POP latency patterns, which can only be explained by having two s= eparate paths.

Best,

Mike
On Apr 13, 2022, 00:30 +0200, Jerem= y Austin <jeremy=40aterlo.com>, wrote:


On Tue, Apr 12, 2022 at 1= :25 PM Mike Puchol <mike=40s= tarlink.sx> wrote:
The frequency re-use is a factor of steering angle.= Take these two spot beams, and the cells that they cover. The left side = is a beam almost at nadir, the right side is close to maximum steering an= gle. Any hexagonal cell inside the beam=E2=80=99s footprint cannot be cov= ered by another beam (from same or other satellite), as the overlap would= violate the restrictions on Starlink=E2=80=99s license:

&=23160;I don't disagree with the description of this type of spatia= l reuse.&=23160; It will be interesting to see how nonlinear the capacity= growth&=23160;due to tighter angles&=23160;is, however, and whether it's= more like a 4x increase or an 8x increase.

The question of whether they can achieve their goals without additio= nal reuse (for example, covering a given hex with more than one channel) = is open. =46un times.


--
--
Jeremy Austin
Sr. Product Manager
Preseem =7C Aterlo Networks

Phone: 1-833-733-7336 x718

Stay Connected with Newsletters &a= mp; More:&=23160;https://preseem.com/stay-connected/<= /a>
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