[opendtv] Re: Backward Compatibility of Robust DTV Transmissions

  • From: "John Shutt" <shuttj@xxxxxxxxx>
  • To: <opendtv@xxxxxxxxxxxxx>
  • Date: Wed, 8 Nov 2006 09:48:28 -0500


----- Original Message ----- From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>

Hmmm. Since blind equalization works best with a strong signal, why
wouldn't it help these legacy receivers if the 8-VSB transmissions
included some variable number of "bogus" segments, each of which is, for
example, always modulated at 100 percent (i.e. all large amplitude
symbols)?

Duh, it just hit me that this is what the ATSC "pilot" is!

John



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