Low-density parity-check encoding method, low-density parity-check decoding method, encoding device, decoding device and medium
AssigneeZte Corporation
InventorsLiguang Li, Jin Xu, Guanghui Yu, Chulong Liang, Jun Xu, Qiang Fu, Jian Kang
Life of this patent
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Abstract
A low density parity check encoding method, including: determining a target parity check matrix, where the target parity check matrix belongs to a second parity check matrix set, and a base graph of the second parity check matrix set is extracted from a base graph of a first parity check matrix set and performing low density parity check encoding on data to be transmitted according to the target parity check matrix and a target lifting size.
Claims20
A low density parity check encoding method, applied to an LDPC encoder, comprising:
- determining a target parity check matrix, wherein the target parity check matrix belongs to a second parity check matrix set, and a base graph of the second parity check matrix set is extracted from a base graph of a first parity check matrix set according to at least one of a row index sequence and a column index sequence, wherein the row index sequence meets one of:
- elements in the row index sequence including non-contiguous ascending integers;
- or elements in the row index sequence being non-ascending integers except that first M elements in the row index sequence are contiguous ascending integers, wherein M is an integer greater than 1;
- and
- performing low density parity check encoding on data to be transmitted according to the target parity check matrix and a target lifting size.
A low density parity check encoding method, applied to an LDPC decoder, comprising:
- determining a target base graph, wherein the target base graph is a base graph of a second parity check matrix set, and the base graph of the second parity check matrix set is extracted from a base graph of a first parity check matrix set according to at least one of a row index sequence and a column index sequence, wherein the row index sequence meets one of:
- elements in the row index sequence including non-contiguous ascending integers;
- or elements in the row index sequence being non-ascending integers except that first M elements in the row index sequence are contiguous ascending integers, wherein M is an integer greater than 1;
- and
- performing low density parity check encoding on data to be transmitted according to the target base graph and a target lifting size.
A low density parity check decoding method, applied to an LDPC decoder, comprising:
- determining a target parity check matrix, wherein the target parity check matrix belongs to a second parity check matrix set, and a base graph of the second parity check matrix set is extracted from a base graph of a first parity check matrix set according to at least one of a row index sequence and a column index sequence, wherein the row index sequence meets one of:
- elements in the row index sequence including non-contiguous ascending integers;
- or elements in the row index sequence being non-ascending integers except that first M elements in the row index sequence are contiguous ascending integers, wherein M is an integer greater than 1;
- and
- performing low density parity check decoding on received data according to the target parity check matrix and a target lifting size.
Dependencies are inferred from the claim text.