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sorry about that
The below was written two decades ago and we're still fiddling around with
fraudband. Hey, today in 2021, comcast will sell a select few 2 Gb/s
symmetric over a fiber strand using a juniper switch, leased of course,
designed in 2011. Talk about not keeping
A 5.7% reduction in funded locations for StarLink is… not dramatic. If the
project falls on that basis, they've got bigger problems. Much of that
discrepancy falls squarely on the shoulders of the FCC and incumbent ISPs
filing form 477, as well as the RDOF auction being held before improving
You may find this of some relevance!
https://arstechnica.com/tech-policy/2021/07/ajit-pai-apparently-mismanaged-9
-billion-fund-new-fcc-boss-starts-cleanup/
Cheers (or whatever!),
RR
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To add a bit more, as is easily seen below, the amplitudes of each of the
transfer functions between the three transmit and three receive antennas are
extremely similar. This is to be expected, of course, since the "aperture"
of each array is very small compared to the distance between them.
You can approximate the H-matrix as containing only complex numbers or
complex frequency responses as below, however the truth is that in the real
world, in general, the entries in the H-matrix are Green's functions, aka
impulse response functions derivable from Maxwell's equations and all the
Well, I hesitate to drag this out, however Maxwell's equations and the
invariance of the laws of physics ensure that all path loss matrices are
reciprocal. What that means is that at any for any given set of fixed
boundary conditions (nothing moving/changing!), the propagation loss between
any
> The distance matrix defines signal attenuations/loss between pairs. It's
> straightforward to create a distance matrix that has hidden nodes because
> all "signal loss" between pairs is defined. Let's say a 120dB attenuation
> path will cause a node to be hidden as an example.
>
> A
the biggest problem starlink faces is shipping enough devices (and launching the
satellites to support them), not demand. There are enough people interested in
paying full price that if the broadband subsities did not exist, it wouldn't
reduce the demand noticably.
but if the feds are handing
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This amplitude only channel estimate shown was taken from radios connected
using conducted equipment or cables. It illustrates how non-ideal conducted
equipment based testing is, i.e. our signal processing and MCS rate
selection engineers aren't being sufficiently challenged!
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The slides show that for WiFi every transmission produces a complex
frequency response, aka the h-matrix. This is valid for that one
transmission only. The slides show an amplitude plot for a 3 radio device
hence the 9 elements per the h-matrix. It's assumed that the WiFi
10 matches
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