LDPC (low density parity check) decoder and LDPC decoding method
A decoder and codeword technology, applied in the direction of error correction/detection using block codes, error detection coding using multi-bit parity bits, data representation error detection/correction, etc., to achieve the effect of improving decoding throughput
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[0036] Hereinafter, an LDPC decoder and an LDPC decoding method according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
[0037] Before describing the LDPC decoder and the LDPC decoding method according to the embodiments of the present invention, first briefly describe the LDPC decoder and the LDPC decoding method in the prior art.
[0038] figure 1 is a block diagram describing the hardware configuration of a prior art LDPC decoder. Such as figure 1 As shown, a typical LDPC decoder mainly includes three parts: 1) variable node update (VNU) module; 2) check node update (CNU) module; and 3) interconnection (Global Interconnections) module.
[0039] It should be noted that although the figure only shows that the VNU module includes 12 VNU units, depending on actual needs, the VNU module may include more or less VNU units. Similarly, although the figure only shows that the CNU module includes 6 CNU units, d...
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