1996-09-14 - Re: 56 kbps modems

Header Data

From: “William Ehrendreich” <bille@metro.net>
To: “Enzo Michelangeli” <asgaard@Cor.sos.sll.se>
Message Hash: 590cb34a07f5928727f8b6e8795e2f78f00d25c25f4e8fd11516e3d4e354e6a6
Message ID: <00230911403893@metro.net>
Reply To: N/A
UTC Datetime: 1996-09-14 02:54:33 UTC
Raw Date: Sat, 14 Sep 1996 10:54:33 +0800

Raw message

From: "William Ehrendreich" <bille@metro.net>
Date: Sat, 14 Sep 1996 10:54:33 +0800
To: "Enzo Michelangeli" <asgaard@Cor.sos.sll.se>
Subject: Re: 56 kbps modems
Message-ID: <00230911403893@metro.net>
MIME-Version: 1.0
Content-Type: text/plain


Yeah... and besides that ... if your local telco has lifted your load coils
then you have a much better chance!

----------
> From: Enzo Michelangeli <enzo@ima.com>
> To: Asgaard <asgaard@Cor.sos.sll.se>
> Cc: cypherpunks@toad.com
> Subject: Re: 56 kbps modems
> Date: Friday, September 13, 1996 10:24 AM
> 
> On Fri, 13 Sep 1996, Asgaard wrote:
> 
> > >U.S. Robotics and Rockwell International are planning new modems with
> > >speeds up to 56 kbps a second, almost double the speed of the fastest
> > >rate now available.  The new devices should be available by the end of
> > >the year, although their top speed initially may be less than 56 kbps.
> > >(Wall Street Journal 12 Sep 96 B11)
> > 
> > People who seemed to know used to say that 'the Shannon limit'
> > set an absolute upper limit around 40 kbps. Has Shannon been
> > proven wrong, or what?
> 
> Well, it all depends on the signal-to-noise ratio. Also, if the noise is
> not white gaussian the situation can be even better.
> 
> Enzo
> 





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