Trellis decoder of a DTV

Details Trellis decoder of a DTV Trellis decoder of a DTV

1997-07-30

1999-11-23

Chin, Stephen

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

375265, 375340, 371 437, H03D 100, H04L 2706, G06F 1110

Patent

active

059913436

ABSTRACT:
A trellis decoder uses a branch metric unit, an ASC unit, a maximum likelihood value detector, and a normalization unit in common by time-division method to realize a trellis coding interleaver used in a DTV. The trellis decoder includes path memories, state metric memories and traceback units each as many as required in the trellis coding interleaver.

REFERENCES:
patent: 4905317 (1990-02-01), Suzuki et al.
patent: 5432803 (1995-07-01), Liu et al.
patent: 5859861 (1999-01-01), Oh

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