Variable encoding rate puncturer

Details Variable encoding rate puncturer Variable encoding rate puncturer

1997-04-17

1999-11-16

Chin, Stephen

Pulse or digital communications

Pulse code modulation

Length coding

375240, 714790, 341 61, 341 67, 370377, H04B 166, H03M 700, H03M 740

Patent

active

059870672

ABSTRACT:
A variable encoding puncturer, for encoding data in response to a variable encoding rate, in a digital broadcasting communication encoder, including a control unit for controlling an alignment of input data and a selection of a compression matrix, and an alignment of output data according to a variable encoding rate inputted from an external circuit; an input data aligning control unit for outputting the aligned data in parallel in response to an input clock signal after aligning data with a variable encoding rate in response to a control of the control unit; an input buffer for storing, in order, the aligned data from the input data aligning control unit; an output data aligning control unit for selecting the aligned data from the input buffer according to the variable encoding rate under the control of the control unit and for outputting the selected data; and an output buffer outputting the selected data encoded data from the output data as aligning control unit in response to an output clock signal.

REFERENCES:
patent: 4730348 (1988-03-01), MacCrisken
patent: 5438590 (1995-08-01), Tzukerman et al.

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