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In-band on-channel digital broadcasting method and system

  • US 20010050926A1
  • Filed: 06/11/2001
  • Published: 12/13/2001
  • Est. Priority Date: 06/19/1996
  • Status: Active Grant
First Claim
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1. An in-band on-channel (IBOC) digital broadcast receiver comprising:

  • receiving means for receiving an IBOC digital signal with source bit information which is duplicated by redundant modulation of signals in both upper and lower sidebands of a predetermined radio frequency (RF) mask;

    demodulation means for demodulating the received IBOC signals in both the upper and lower sidebands;

    determination means for determining whether the demodulated redundant source bit information in the upper sideband or the lower sideband is less likely to be erroneous; and

    selection means for selecting the demodulated source bit information determined by said determination means as less likely to be erroneous without requiring prior knowledge as to which sideband is less likely to be deleteriously affected.

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