Title :
Contractivity in turbo iterations
Author :
Regalia, Phillip A.
Author_Institution :
Dept. of Commun., Image & Inf. Process., CNRS, Evry, France
Abstract :
The turbo decoding algorithm has met with intense study over the past decade, in an attempt to harness the full power of the "turbo principle". Here we consider applying contractivity arguments to the turbo decoding algorithm, to study convergence even for short block lengths.
Keywords :
convergence of numerical methods; iterative decoding; turbo codes; contractivity; convergence; short block lengths; turbo decoding algorithm; turbo iterations; Additive white noise; Algorithm design and analysis; Contracts; Convergence; Entropy; Information processing; Iterative decoding; Probability; Random variables; Reliability theory;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 2004. Proceedings. (ICASSP '04). IEEE International Conference on
Print_ISBN :
0-7803-8484-9
DOI :
10.1109/ICASSP.2004.1326907