Structuring LDPC coding method
A coding method and structured technology, applied in error detection coding using multi-bit parity bits, error correction/detection using block codes, error correction/detection using linear codes, etc., which can solve the problem of high coding complexity and other problems to achieve the effect of saving storage space, excellent performance, and reducing coding complexity
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[0040] The present invention will be described in detail below in conjunction with the accompanying drawings and examples.
[0041] Such as figure 1 As shown, the simulation process of the LDPC code in the communication system is as follows: the signal source is encoded by the LDPC code encoder, the code word obtained is modulated by the modulator, transmitted through the wireless channel, and demodulated at the receiving end to obtain soft demodulation information , decoded by an LDPC decoder to restore the information bits. The simulation mainly includes: LDPC encoder, modulator, channel emulator, demodulator, LDPC decoder and so on.
[0042] Firstly, the design method of check matrix of LDPC code is given, and then its iterative coding method is given. Combine below figure 2 The present invention is described further:
[0043] 1 check matrix H
[0044] Check matrix consists of two sub-matrices, H=[H p |H d ], and the construction methods of these two sub-matrices ar...
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