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Scott Deuty

Superseding the 5G Flop Thats Disappointing, Costly, and Dangerous to Your Health

Scott Deuty
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Effective-Technical-Writing dot com
Effective-Technical-Writing dot com
8/15/2019 12:26:33 PM
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Blogger
Re: Signal integrity?
I apologize for the figures.  I'll look into getting better ones available.  

 

As for signal integrity:  

Signal integrity, seen via eye diagrams and such, is more for measuring signal quality over interconnects (ICs and boards), whereas for wireless transmission the equivalent measure of quality is sensitivity at the receiver. The receiver sensitivity is seen in the waterfall curves of BER, the roll-off corresponding to the average bit energy were the signal is swamped by noise, and can no longer be received (as denoted by poor BER). The sensitivity is the point of roll-off.

Sensitivity has an average bit energy of 10^-14 for 256 QAM whereas it is 10^-21 for iW, meaning iW can receive 10^7 smaller signal than 256 QAM can. Look at the BER graph. This is because of the far larger signal space of iW (with 2 constellations) versus the far smaller signal space of 256 QAM (256 constellations), and the inherently lower noise of lower frequency for equal bitrate of iW. 

There is a more detailed discussion of this at other venues.  I'd suggest googling it as I don't have time right now to parse through the "good and bad" that pops up on the internet.

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Andy_I
Andy_I
8/14/2019 7:41:14 PM
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Artist
Signal integrity?
> 5G is falling on its face due to poor signal integrity.

I don't see anything in the article about signal integrity.  But maybe the author isn't familiar with what signal integrity really is.

> This shorter wavelength transmission signal does arrive faster, ...

Seriously?

> In the millisecond it takes to reacquire the signal who knows how many people just got run over.

Again, seriously?  I get your point and it's a good one.  It's just the "millisecond" that doesn't fit the example.  Or the reality either.  If the AV takes 3000 milliseconds to reacquire the link, that's the disaster you're talking about.

> ... it's no wonder why bit checking is required ...

I'm pretty sure error detection and correction is already used in just about every transmission protocol known to man.  No matter how "robust" you think the modulation may be, signals drop out, multipath happens, and who knows what else corrupts your signals.  Don't forget that the corruption that happens to 50GHz is vastly different than 500kHz.

You might not be able to control this, but your figures are almost unreadable.  Many Planet Analog articles have links to download each figure as original before being so compressed.  Clicking on the figures in your article only goes to copies of the same corrupted unreadable figures.

Your link to "iW technology" does not seem to be what you think it is.  It does not appear to be appropriate.

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Effective-Technical-Writing dot com
Effective-Technical-Writing dot com
8/14/2019 6:04:34 PM
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Blogger
Re: strange assertions
No one buys into the 5G flop and my references are all made up, and CNN doesn't post fake news.

Paranoia doesn't bring back those with cancer nor does it save the consumer money that is going to be needed to fund 5G.  I'm making a point that both are unnecessary.  Health concerns are real and can be avoided as well as funding an unnecessary infastructure.  I'm in Dallas tomorrow afternoon 8/15 if the "Telecomm Corridor" wants to talk solutions.

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EMCgenius
EMCgenius
8/14/2019 1:45:40 PM
User Rank
Teacher
strange assertions
This article doesn't hang together. The assertions about RF technology are strange at times, and the conclusions don't always follow from the assertions. Some of them are outrageous, such as the comment about 5G emissions thawing frozen food. It's clear that the author's RF chops are marginal. But that's understandable given that he bills himself as a power electronics expert, and apparently one who buys into the anti-5G paranoia.

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