Lifting methods for quasi-cyclic LDPC codes
SCIE
SCOPUS
- Title
- Lifting methods for quasi-cyclic LDPC codes
- Authors
- Myung, S; Yang, KC; Kim, Y
- Date Issued
- 2006-06
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGI
- Abstract
- In this paper we present two simple methods to construct a quasi-cyclic LDPC (QC-LDPC) code of larger length by lifting a given QC-LDPC code. We show that its girth is always larger than or equal to that of the given QC-LDPC code. Applying the methods recursively, it is possible to construct a sequence of QC-LDPC codes generated from a single exponent matrix by proper floor or modulo operations. Simulation results show that they have no serious performance degradation, as compared with randomly constructed LDPC codes.
- Keywords
- block-cycle; circulant permutation matrix; lifting; low-density parity-check (LDPC) codes; quasi-cyclic; PARITY-CHECK CODES; CONSTRUCTION; MATRICES
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/23969
- DOI
- 10.1109/LCOMM.2006.1638625
- ISSN
- 1089-7798
- Article Type
- Article
- Citation
- IEEE COMMUNICATIONS LETTERS, vol. 10, no. 6, page. 489 - 491, 2006-06
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