[Starlink] System and method of providing a medium access control scheduler
Oleg Kutkov
contact at olegkutkov.me
Thu Feb 23 19:18:23 EST 2023
Yes. The cell size is ~20 km
On 2/24/23 02:08, David Lang wrote:
> they can only narrow the radio beam so much (probably whatever their
> cell size is). They can't change the footprint without changing the
> antenna, so unless they have the beam move around in the cell, the
> footprint should be slightly larger than the cell size
>
> sometimes there is a lot of data going to one station, but sometims
> it's only going to be a trival amount (think ack packets for a lot of
> uploads), so they can save airtime by using one timeslot to transmit
> to many stations at once.
>
> David Lang
>
> On Fri, 24 Feb 2023, Oleg Kutkov via Starlink wrote:
>
>> Date: Fri, 24 Feb 2023 01:47:05 +0200
>> From: Oleg Kutkov via Starlink <starlink at lists.bufferbloat.net>
>> Reply-To: Oleg Kutkov <contact at olegkutkov.me>
>> To: starlink at lists.bufferbloat.net
>> Subject: Re: [Starlink] System and method of providing a medium
>> access control
>> scheduler
>>
>> Oh, that's interesting.
>>
>> >> the satellite broadcasts the downlink radio frame to all the user
>> terminals in a group and they each retrieve their respective data
>> from the downlink radio frame
>>
>> I thought the satellite beamformer only sends data frames to the
>> appropriate UT. It looks like the given satellite covers the whole
>> cell at one TX channel.
>> Otherwise, it would be too complex, I guess.
>>
>> On 2/23/23 23:53, Dave Taht via Starlink wrote:
>>> For those of you that don't look at patents, don't look at:
>>>
>>> https://patents.justia.com/patent/11540301
>>>
>>> But I would welcome comment from those that do.
>>>
>>> H/T virtuallynathan.
>>>
>>
--
Best regards,
Oleg Kutkov
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.bufferbloat.net/pipermail/starlink/attachments/20230224/dcfd92a6/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: dUsO08OKzqrAgrTa.png
Type: image/png
Size: 35251 bytes
Desc: not available
URL: <https://lists.bufferbloat.net/pipermail/starlink/attachments/20230224/dcfd92a6/attachment-0001.png>
More information about the Starlink
mailing list