Title :
Performance-Complexity Tradeoffs of Raptor Codes over Gaussian Channels
Author :
Hu, Ketai ; Castura, Jeff ; Mao, Yongyi
Author_Institution :
SITE, Ottawa Univ., Ont.
fDate :
4/1/2007 12:00:00 AM
Abstract :
We investigate the performance-complexity tradeoffs of Raptor codes over Gaussian channels. Two different implementations of the belief-propagation (BP) decoding algorithm are considered, which we respectively refer to as "message-reset decoding" and "incremental decoding". We show that incremental decoding offers great advantages over message-reset decoding in terms of this tradeoff
Keywords :
Gaussian channels; channel coding; decoding; Gaussian channels; Raptor codes; belief-propagation decoding algorithm; incremental decoding; message-reset decoding; AWGN; Additive white noise; Belief propagation; Fading; Gaussian channels; Gaussian noise; Helium; Iterative decoding; Parity check codes; Uncertainty;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOM.2007.348295
