Encoding method and apparatus for low density generation matrix code, and decoding method and apparatus

Abstract

The invention discloses an encoding method, an encoding device, a decoding method and a decoding device for low-density generator matrix codes. The encoding method comprises: utilizing low-density generator matrix codes with different code lengths of which the number is P and the code rate is R0 to construct a low-density generator matrix code female code set, wherein the low-density generator matrix code female code set has a unified basis matrix Gb<uniform>, R0 is equal to kb/nb, kb refers to the row number of the basis matrix, and the nb refers to the column number of the basis matrix; acquiring the length L of an intermediate variable according to the relation between the length K of an information bit sequence to be encoded and the length L of the intermediate variable in the low-density generator matrix code female code set; acquiring an expansion factor zk for processing the basis matrix by utilization of the length L of the intermediate variable and the row number kb of the basis matrix, and acquiring a generator matrix by utilization of the expansion factor zk to correct and expand the basis matrix; and encoding the information bit sequence to be encoded by utilization of a matrix Gldgc(1:L,1:N+L-K) consisting of an L row and the prior N+L-K column of the generator matrix.

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4G	27/03/2021	ISLD-202103-022	ZTE CORPORATION	S1 TS Number: TS 136 211 v15.2.0 Version No: v15.2.0 Illustrative part: ---- Release: 15 S2 TS Number: TS 136 212 v15.2.0 Version No: v15.2.0 Illustrative part: ---- Release: 15 S3 TS Number: TS 136 331 v15.2.0 Version No: v15.2.0 Illustrative part: ---- Release: 15 S4 TS Number: TS 136 213 v15.2.0 Version No: v15.2.0 Illustrative part: ---- Release: 15 +3 -3	Yes	Basis Patent
5G	06/07/2023	ISLD-202307-007	ZTE CORPORATION	S1 TS Number: TS 138 211 Version No: Illustrative part: ---- Release: S2 TS Number: TS 138 212 Version No: Illustrative part: ---- Release: S3 TS Number: TS 138 213 Version No: Illustrative part: ---- Release: S4 TS Number: TS 138 331 Version No: Illustrative part: ---- Release: +3 -3	Yes	Family Member

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US2010257427A1	4G	27/03/2021	ISLD-202103-022	ZTE CORPORATION	S1 TS Number: TS 136 211 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S2 TS Number: TS 136 212 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S3 TS Number: TS 136 331 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S4 TS Number: TS 136 213 v15.2.0 Version No: v15.2.0 Section No: Release : 15 +3 -3	Yes	Family Member
US2010257427A1	5G	06/07/2023	ISLD-202307-007	ZTE CORPORATION	S1 TS Number: TS 138 211 Version No: ---- Section No: Release : ---- S2 TS Number: TS 138 212 Version No: ---- Section No: Release : ---- S3 TS Number: TS 138 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 138 331 Version No: ---- Section No: Release : ---- +3 -3	Yes	Family Member
US8370700B2	4G	27/03/2021	ISLD-202103-022	ZTE CORPORATION	S1 TS Number: TS 136 211 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S2 TS Number: TS 136 212 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S3 TS Number: TS 136 331 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S4 TS Number: TS 136 213 v15.2.0 Version No: v15.2.0 Section No: Release : 15 +3 -3	Yes	Family Member
US8370700B2	5G	06/07/2023	ISLD-202307-007	ZTE CORPORATION	S1 TS Number: TS 138 211 Version No: ---- Section No: Release : ---- S2 TS Number: TS 138 212 Version No: ---- Section No: Release : ---- S3 TS Number: TS 138 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 138 331 Version No: ---- Section No: Release : ---- +3 -3	Yes	Family Member
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KR101248991B1	4G	27/03/2021	ISLD-202103-022	ZTE CORPORATION	S1 TS Number: TS 136 211 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S2 TS Number: TS 136 212 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S3 TS Number: TS 136 331 v15.2.0 Version No: v15.2.0 Section No: Release : 15 S4 TS Number: TS 136 213 v15.2.0 Version No: v15.2.0 Section No: Release : 15 +3 -3	Yes	Family Member
KR101248991B1	5G	06/07/2023	ISLD-202307-007	ZTE CORPORATION	S1 TS Number: TS 138 211 Version No: ---- Section No: Release : ---- S2 TS Number: TS 138 212 Version No: ---- Section No: Release : ---- S3 TS Number: TS 138 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 138 331 Version No: ---- Section No: Release : ---- +3 -3	Yes	Family Member
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CN101453297B	5G	06/07/2023	ISLD-202307-007	ZTE CORPORATION	S1 TS Number: TS 138 211 Version No: ---- Section No: Release : ---- S2 TS Number: TS 138 212 Version No: ---- Section No: Release : ---- S3 TS Number: TS 138 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 138 331 Version No: ---- Section No: Release : ---- +3 -3	Yes	Family Member
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