Patent ID: 6519732
Filing Date: 2003-02-11
Classification: H03M,H04L

Abstract:
An apparatus for encoding source data to transmit the encoded source data with a transmission frame, comprising:a first encoder encoding the source data to produce first parity data; an interleaver interleaving the source data to produce randomized data; a second encoder encoding the randomized data to produce second parity data; puncturing units determining a number of bits from the first and second parity data corresponding to a number of bits of the transmission frame, and selecting the first and second parity data to produce first selected data and second selected data corresponding to the determined number of bits; and a multiplexer combining the source data with the first and second selected data; wherein each of the puncturing units include a memory storing a puncturing table, wherein the bits selection from the first and second parity data is performed in accordance with the puncturing table and wherein each stored puncturing table provides an identical puncturing pattern for selecting bits from the first and second parity data.