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conference paper · IEEE Region 10 Conference (TENCON) · 2004

Modified soft output viterbi algorithm for truncated trellis

G.N. Varma, G.P. Charan, U. Sahu

Cited by 1Abstract and details only

Abstract

In concatenated codes, the performance of the outer decoder can be improved with a soft output from the inner decoder. Soft output Viterbi algorithm (SOVA) is one such technique when the inner decoder is Viterbi based. However, when the trellis does not terminate to a single final state, the outer decoder performance does not improve substantially. In this work, we propose two methods to restore the performance. Simulation results illustrating the performance of the proposed algorithms are presented.

Cite this paper

APA 7

Varma, G., Charan, G., & Sahu, U. (2004). Modified soft output viterbi algorithm for truncated trellis. IEEE Region 10 Conference (TENCON), 4, 1535–1538. https://doi.org/10.1109/tencon.2003.1273177

MLA 9

Varma, G.N., et al. “Modified soft output viterbi algorithm for truncated trellis.” IEEE Region 10 Conference (TENCON), vol. 4, 2004, pp. 1535–38, https://doi.org/10.1109/tencon.2003.1273177.

Chicago

Varma, G.N., G.P. Charan, and U. Sahu. 2004. “Modified soft output viterbi algorithm for truncated trellis.” IEEE Region 10 Conference (TENCON) 4: 1535–38. https://doi.org/10.1109/tencon.2003.1273177.

Harvard

Varma, G., Charan, G. and Sahu, U. (2004) ‘Modified soft output viterbi algorithm for truncated trellis’, IEEE Region 10 Conference (TENCON), 4, pp. 1535–1538. Available at: https://doi.org/10.1109/tencon.2003.1273177.

BibTeX
@article{varma2004modified,
  title = {{Modified soft output viterbi algorithm for truncated trellis}},
  author = {Varma, G.N. and Charan, G.P. and Sahu, U.},
  journal = {IEEE Region 10 Conference (TENCON)},
  volume = {4},
  pages = {1535--1538},
  year = {2004},
  doi = {10.1109/tencon.2003.1273177}
}

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