Performance of high rate turbo codes employing the soft-output Viterbi algorithm (SOVA) Conference Paper

abstract

• 1999 IEEE. We examine the performance of the iterative soft-output Viterbi algorithm (SOVA) for high rate turbo codes on an additive white Gaussian noise (AWGN) channel and compare its performance to that of the a posteriori probability (APP) algorithm. Code rates of the form k0/k0+1 (k0=4, 8, 16, 92, and 64) are considered. In our simulations, we show that the SOVA algorithm yields a bit error probability (Pb) performance that is only about 0.7 dB inferior to the performance of the APP algorithm and about 1.7 dB from the capacity limit at Pb=10-5. We also examine SOVA performance as a function of the number of iterations and a parameter we call the reliability depth.

name of conference

• Conference Record of the Thirty-Third Asilomar Conference on Signals, Systems, and Computers (Cat. No.CH37020)

authors

• Ghrayeb, Ali

published proceedings

• 2011 Conference Record of the Forty Fifth Asilomar Conference on Signals, Systems and Computers (ASILOMAR)

author list (cited authors)

• Ghrayeb, A., & Ryan, W. E.

citation count

• 4

complete list of authors

• Ghrayeb, A||Ryan, WE

publication date

• January 1999

publisher

• Institute of Electrical and Electronics Engineers (IEEE)  Publisher

published in

• Conference record / Asilomar Conference on Signals, Systems & Computers. Asilomar Conference on Signals, Systems & Computers  Journal

Digital Object Identifier (DOI)

• 10.1109/acssc.1999.832030

International Standard Book Number (ISBN) 10

• 0780357000

International Standard Book Number (ISBN) 13

• 9780780357006

start page

• 1665-1669 vol.2

end page

• 1669

volume

• 2

URL

• http://dx.doi.org/10.1109/acssc.1999.832030