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Data and forward error control coding techniques for digital signals
Data and forward error control coding techniques for digital signals
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机译:数字信号的数据和前向错误控制编码技术
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摘要
Input values are data encoded for improved signal characteristics (e.g. , limited maximum run length and limited cumulative DC-offset) so as to form "data codewords, " and then a number of the data codewords, collectively referred to as a block, are error protection encoded, preferably using a conventional linear and sytematic forward error control ("FEC") code, to yield an FEC code block. Preferably, an FEC code block is formed by generating a number of check bits or FEC bits equal to the number of data codewords in the block, and then concatenating one FEC bit and its binary complement with each data codeword, so that one FEC bit and its complement is interposed between each successive codeword.
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