Title :
On the suboptimality of iterative decoding for finite length codes
Author :
Isaka, Motohiko ; Fossorier, Marc ; Imai, Hideki
Author_Institution :
Dept. of Informatics, Kwansei Gakuin Univ., Japan
Abstract :
We investigate the property of iterative decoding for finite length codes, and give some insights on the suboptimality of iterative decoding due to the cycles in the graph representation of the codes, for several different types of iteratively decodable codes.
Keywords :
graph theory; iterative decoding; parity check codes; turbo codes; LDPC codes; finite length codes; graph representation; iterative decoding; low-density parity-check codes; suboptimality; turbo-like codes; Convergence; Error analysis; Informatics; Iterative decoding; Parity check codes; Probability; Statistics; Stress; Trajectory; Turbo codes;
Conference_Titel :
Information Theory, 2002. Proceedings. 2002 IEEE International Symposium on
Print_ISBN :
0-7803-7501-7
DOI :
10.1109/ISIT.2002.1023276