Abstract
Coding method, coding device, decoding method and decoding device for low density generator matrix code and device are disclosed. The coding method includes: constructing mother code set of low density generator matrix code using P low density generator matrix codes with coding rate and different coding length, and said mother code set of low density generator matrix code has one uniform basic matrix where is the line number of the basic matrix and is the column number of the basic matrix; obtaining the length L of a middle variant according to the relationship between the length K of the information bit serial to be coded in the mothercode set of low density generator matrix code and the length L of the middle variant; obtaining an expand factor for processing the basic matrix with the length L of the middle variant and the line number of the basic matrix; obtaining a generator matrix by modifying and expanding the basic matrix with the expand factor ; and coding the information bit serial to be coded with a matrix (1:L,1:N+L-K) comprising L lines and the front N+L-K columns of the generator matrix.
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| 4G | 27/03/2021 | ISLD-202103-022 | ZTE CORPORATION |
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