Re: [Starlink] System and method of providing a medium access control scheduler

[David Lang <david@lang.hm>]

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@lists.bufferbloat.net>
> Reply-To: Oleg Kutkov <contact@olegkutkov.me>
> To: starlink@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.
>>
>