Title :
Construction of low-density parity-check codes by superposition
Author :
Xu, Jun ; Chen, Lei ; Zeng, Lingqi ; Lan, Lan ; Lin, Shu
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of California, Davis, CA, USA
Abstract :
This paper presents a superposition method for constructing low-density parity-check (LDPC) codes. Several classes of structured LDPC codes are constructed. Codes in these classes perform well with iterative decoding, and their Tanner graphs have girth at least six.
Keywords :
Reed-Solomon codes; graph theory; iterative decoding; parity check codes; Reed-Solomon code; iterative decoding; low-density parity-check code; superposition; Communications Society; Computer errors; Floors; Information theory; Iterative decoding; NASA; Parity check codes; Shift registers; Sparse matrices; Wireless communication; Quasi-cyclic low-density parity-check (LDPC) codes; Reed–Solomon (RS) codes; superposition;
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOMM.2004.841966
