[opendtv] Re: COFDM and equalization
- From: Doug McDonald <dtvmcdonald@xxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 21 Apr 2004 10:32:35 -0700 (PDT)
--- Bob Miller <bob@xxxxxxxxxx> wrote:
>
> So what is the penalty that 8-VSB suffers that
> limits it to 19.34 Mbps?
That it is 8-trellis-VSB, of course. You could get
more
bits by less coding.
The REAL penalty in that single anecdotal test
you mention is that a crappy 8-VSB receiver was used.
You keep mentioning ancecdotal tests, and and never
the TRULY SYSTEMATIC grid-based ones ... THAT WENT
ALL THE WAY OUT TO THE FAR FIELD, which 8-VSB
always won. This includes both Brazil and Australia,
by the way ... remember that the Aussies did an
incorrect scaling of 8-VSB from 6 to 7 MHZ, and
their mistake is still repeated over and over,
even by the BBC.
Doug McDonald
=====
Doug McDonald
my last name at scs dot uiuc dot edu, not here at Yahoo, please
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