Concatenated coded vestigial sideband modulation for high defini

Details Concatenated coded vestigial sideband modulation for high defini Concatenated coded vestigial sideband modulation for high defini

1994-04-12

1995-03-14

Kostak, Victor R.

Television

Format

Broadband

348432, 348471, H04N 704

Patent

active

053980735

ABSTRACT:
A modulation scheme for HDTV, for example, uses a concatenated code comprised of a Reed-Solomon coder followed by an N-dimensional trellis coder whose N-dimensional output symbols with N>1, are used to modulate a one-dimensional vestigial sideband modulator. Specifically, each N-dimensional symbol is a sequence of N one-dimensional signal points--specifically signal points of a one-dimensional VSB constellation.

REFERENCES:
patent: 4641179 (1987-02-01), LoCiceio et al.
patent: 5105442 (1992-04-01), Wei
patent: 5164963 (1992-11-01), Lawrence et al.
patent: 5305352 (1994-04-01), Calderbank et al.
patent: 5311547 (1994-05-01), Wei
patent: 5315617 (1994-05-01), Guida et al.
patent: 5327725 (1994-06-01), Paik et al.

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