H matrix generating circuit, operating method thereof and error correction circuit using h matrix generated by the same
AssigneeSK hynix Inc.
InventorsChol Su CHAE, Jang Seob KIM
Life of this patent
Estimating the term…
Abstract
An H matrix generating circuit for generating an H matrix of a QC-LDPC code may include: a conversion value calculation unit calculating conversion values corresponding to column sections of an original H matrix including a plurality of circulant matrices; and a shift unit generating an advanced H matrix by circularly shifting circulant matrices positioned in column sections of the original H matrix by amounts of the conversion values, respectively.
Claims14
An H matrix generating circuit for generating an H matrix of a QC-LDDC (Quasi Cyclic Low Density Parity Check) code, comprising:
- a conversion value calculation unit calculating conversion values corresponding to column sections of an original H matrix including a plurality of circulant matrices;
- and
- a shift unit generating an advanced H matrix by circularly shifting circulant matrices positioned in column sections of the original H matrix by amounts of the conversion values, respectively.
An operating method of an H matrix generation circuit for generating an H matrix of a QC-LDDC code, the operating method comprising:
- calculating conversion values corresponding to column sections of an original H matrix including a plurality of circulant matrices;
- and
- generating an advanced H matrix by circularly shifting circulant matrices positioned in column sections of the original H matrix by amounts of the conversion values, respectively.
An error correction circuit comprising:
- an H matrix storage unit storing H matrix information of a QC-LDPC code;
- and
- a decoder suitable for performing a decoding operation on a codeword based on the H matrix information,
- wherein the H matrix of the QC-LDPC code includes a plurality of circulant matrices, and first circulant matrices of column sections of the H matrix are set to identity matrices.
Dependencies are inferred from the claim text.