Title :
Near Shannon limit quasi-cyclic low-density parity-check codes
Author :
Lin, Shu ; Chen, Lei ; Xu, Jun ; Djurdjevic, Ivana
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of California, Davis, CA, USA
Abstract :
The paper presents two classes of quasi-cyclic low-density parity-check (LDPC) codes which perform close to the Shannon limit. The construction of these codes is based on decomposition of circulant matrices constructed from finite geometries.
Keywords :
cyclic codes; matrix decomposition; parity check codes; LDPC; Shannon limit; circulant matrix decomposition; finite geometries; quasi-cyclic codes; quasi-cyclic low-density parity-check codes; Encoding; Geometry; Matrix decomposition; Null space; Parity check codes; Sparse matrices; Sum product algorithm;
Conference_Titel :
Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE
Print_ISBN :
0-7803-7974-8
DOI :
10.1109/GLOCOM.2003.1258593
