High-speed module, device and method for decoding a concatenated code
a technology of concatenation code and high-speed module, which is applied in the direction of code conversion, redundant data error correction, coding, etc., can solve the problems of low data transmission rate, large space requirement of the circuit itself, and high latency into data processing, so as to achieve high data transmission rate and small circuit surface area
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[0127]The general principle of the invention relies on a particular architecture of the memories used in an operation of concatenated code decoding and more particularly the decoding of these codes.
[0128]The concatenated codes are decoded iteratively by decoding first of all each of the elementary codes along the rows and then each of the elementary codes along the columns.
[0129]According to the invention, to improve the decoding bit rate, the elementary decoders are parallelized:[0130]to decode (see FIG. 1) the n1 rows, m1 (2≦m1≦n1) elementary decoders of the code C2 are used, and / or[0131]to decode the n2 columns, m2 (2≦m2≦n2) elementary decoders of the code C1 are used.
[0132]Each elementary decoder has input data coming from a reception and / or processing memory and gives output data that is kept in a reception and / or processing memory. In order to further improve the decoding throughput rate while maintaining a circuit clock speed that continues to be reasonable, several pieces of...
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