Circuit and method for realizing the coding

Abstract

The present invention relates to encoding technology, and provides a method for realizing encoding. The method is implemented based on an encoding circuit. The encoding circuit includes one or more identical sub-encoders. The sub-encoder includes n intermediate result buffer units, and n is the input The number of codewords to the sub-encoder, n is an integer greater than 1, and the method also includes the following steps: the encoding combination logic unit receives the code stream, and performs BCH encoding processing on the code words in the received code stream, and will pass through The check symbols of the codewords processed by encoding are stored in the intermediate result buffer unit sorted correspondingly to the codewords. The embodiment of the present invention also provides a circuit for realizing encoding. By using the encoding circuit method provided by the embodiment of the present invention, the scale of the encoding circuit is reduced, and the time required for encoding is also reduced.

Description

technical field [0001] The present invention relates to encoding technology, in particular to a circuit and method for realizing encoding. Background technique [0002] The Bose-Chaudhuri-Hocquenhem (BCH) code was invented by Bose, Chaudhuri and Hocquenhem, so it is named after the three inventors initial letter of the name. [0003] The BCH code is a cyclic code that uses division for error correction. Reed-Solomon (RS) code is a kind of BCH code, and this code is regarded as a kind of special BCH code, does not distinguish BCH code and RS code in the present invention, collectively referred to as BCH code. Because the BCH code has the characteristics of good error correction ability and easy implementation of the circuit, it is widely used in the communication system. The circuit for implementing BCH code encoding in the prior art is introduced below. [0004] figure 1 It is a schematic structural diagram of the first circuit for realizing BCH code encoding in the pri...

AI Technical Summary

Problems solved by technology

It can be seen from this that since the code patterns of the m codewords are exactly the same, sub-encoder 1, sub-encoder 2 ... sub-encoder m are the same sub-encoder, therefore, the design of the circuit is very simple Yes, but there is such a problem: each sub-encoder is only responsible for processing one codeword, so the scale of the circuit will be relatively large. In addition, the utilization rate of circuit resources is not high

It can be seen that it takes a certain amount of time to read and store codewords, so there will be a large delay in the encoder

In addition, the data buffer unit in the encoder occupies relatively large circuit resources, thus resulting in a large circuit scale of the encoder

[0017] It can be seen that, in the prior art, the coding time required by the coding circuit used for coding is relatively long, and the circuit scale of the coding circuit is relatively large.

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