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Learned decimation for neural belief propagation decoders (invited paper)

Publication ,  Conference
Buchberger, A; Häger, C; Pfister, HD; Schmalen, L; I Amat, AG
Published in: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
January 1, 2021

We introduce a two-stage decimation process to improve the performance of neural belief propagation (NBP), recently introduced by Nachmani et al., for short low-density paritycheck (LDPC) codes. In the first stage, we build a list by iterating between a conventional NBP decoder and guessing the least reliable bit. The second stage iterates between a conventional NBP decoder and learned decimation, where we use a neural network to decide the decimation value for each bit. For a (128,64) LDPC code, the proposed NBP with decimation outperforms NBP decoding by 0.75 dB and performs within 1 dB from maximum-likelihood decoding at a block error rate of 10-4.

Duke Scholars

Published In

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

DOI

ISSN

1520-6149

Publication Date

January 1, 2021

Volume

2021-June

Start / End Page

8273 / 8277
 

Citation

APA
Chicago
ICMJE
MLA
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Buchberger, A., Häger, C., Pfister, H. D., Schmalen, L., & I Amat, A. G. (2021). Learned decimation for neural belief propagation decoders (invited paper). In ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings (Vol. 2021-June, pp. 8273–8277). https://doi.org/10.1109/ICASSP39728.2021.9414407
Buchberger, A., C. Häger, H. D. Pfister, L. Schmalen, and A. G. I Amat. “Learned decimation for neural belief propagation decoders (invited paper).” In ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, 2021-June:8273–77, 2021. https://doi.org/10.1109/ICASSP39728.2021.9414407.
Buchberger A, Häger C, Pfister HD, Schmalen L, I Amat AG. Learned decimation for neural belief propagation decoders (invited paper). In: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2021. p. 8273–7.
Buchberger, A., et al. “Learned decimation for neural belief propagation decoders (invited paper).” ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, vol. 2021-June, 2021, pp. 8273–77. Scopus, doi:10.1109/ICASSP39728.2021.9414407.
Buchberger A, Häger C, Pfister HD, Schmalen L, I Amat AG. Learned decimation for neural belief propagation decoders (invited paper). ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2021. p. 8273–8277.

Published In

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings

DOI

ISSN

1520-6149

Publication Date

January 1, 2021

Volume

2021-June

Start / End Page

8273 / 8277