Data slicing system for HDTV receiver

Details Data slicing system for HDTV receiver Data slicing system for HDTV receiver

1992-08-19

1995-04-25

Chin, Stephen

Pulse or digital communications

Multilevel

341 56, 341 81, 375316, H04L 2549

Patent

active

054105692

ABSTRACT:
A receiver for receiving transmitted digital signals including either two level or four level symbols that are interleaved in a predetermined pattern in a frame format consisting of a plurality of successive data segments. The symbols are converted into ten bit numbers that are soft sliced to generate four bit numbers representing ranges of values within which each ten bit number may fall. The data represented by the four bit numbers is deinterleaved, a birate flag is generated that identifies the nature of each four bit number, i.e. whether it represents a two level symbol or a four level symbol, and a hard slicer operates, in response to the birate flag, for converting each of the four bit numbers to corresponding two bit binary outputs.

REFERENCES:
patent: 4394642 (1983-07-01), Currie et al.
patent: 4518947 (1985-05-01), Poston et al.
patent: 5086340 (1992-02-01), Citta et al.

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