Partial response trellis decoder for high definition television

Television – Image signal processing circuitry specific to television – Noise or undesired signal reduction

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348614, 348470, 455296, 455303, 375346, H04N 521

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active

RE0369802

ABSTRACT:
A partial response Trellis decoder that performs Trellis coded modulation in a high definition television (HDTV) having a specific and detailed configuration and includes a distance mapper for calculating first, second, third and fourth Euclidean distances between the input signal and a reference value; a Viterbi decoder for Viterbi decoding the first, second, third and fourth Euclidean distances calculated by the distance mapper; a first delay for delaying and outputting the Yiterbi decoded data for each Euclidean distance; a ruler selector for selecting a ruler type signal based on the signals output by the first delay; and a slicer for slicing the selected ruler type signal and the input signal.

REFERENCES:
patent: 4493082 (1985-01-01), Cumberton et al.
patent: 5115438 (1992-05-01), Friederichs et al.
patent: 5408502 (1995-04-01), How
patent: 5418798 (1995-05-01), Wei
patent: 5438369 (1995-08-01), Citta et al.
patent: 5465273 (1995-11-01), Cole
patent: 5512957 (1996-04-01), Hulyalkar
patent: 5559835 (1996-09-01), Betts
patent: 5583889 (1996-12-01), Citta et al.
patent: 5621761 (1997-04-01), Heggard
patent: 5706312 (1998-01-01), Wei
VSB Transmission System: Zenith Electronics Corp; Dec. 17, 1993.
Precoding Technique for Partial-Response Channels with Applications to HDTV; Lee-Fang Wei; IEEE Journal on Selected Areas of Communications; vol. 11 #1, Jan. 1993.
Kirkland, et al., High-speed Viterbi decoder memory design, Canadian Journal of Electrical and Computer Engineering, vol. 15, No. 3, Aug. 1, 1990, pp. 107-114.

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