Title :
SISO algorithms based on combined max/max* operations for turbo decoding
Author :
Papaharalabos, S. ; Sweeney, P. ; Evans, B.G.
Author_Institution :
Centre for Commun. Syst. Res., Univ. of Surrey, Guildford
Abstract :
New soft-input soft-output (SISO) decoding algorithms are proposed that combine both the max operation of the max-log-MAP algorithm and the max* operation (Jacobian logarithm) of the log-MAP algorithm. This combination is restricted not only to the reliability estimation, as in one previous publication, but is also expanded to include the case of the forward and backward metrics computation in the turbo decoding process
Keywords :
Jacobian matrices; Viterbi decoding; computational complexity; digital simulation; error statistics; iterative decoding; maximum likelihood decoding; maximum likelihood estimation; reliability theory; turbo codes; Jacobian logarithm; computational complexity; digital simulation; error statistics; max-log-MAP algorithm; max-max operations; reliability estimation; soft input soft output decoding algorithms; turbo decoding process;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20057332
