Soft-Output from Covered Space Decoding of Product Codes
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866913947779596288 |
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| author | Janz, Tim Obermüller, Simon Zunker, Andreas Brink, Stephan ten |
| author_facet | Janz, Tim Obermüller, Simon Zunker, Andreas Brink, Stephan ten |
| contents | In this work, we propose a new soft-input soft-output decoder called soft-output from covered space (SOCS) decoder. It estimates the a posteriori reliability based on the space explored by a list decoder, i.e., the set of vectors for which the list decoder knows whether they are codewords. This approach enables a more accurate calculation of the a posteriori reliability and results in gains of up to 0.25$\,$dB for turbo product decoding with SOCS compared to Chase-Pyndiah decoding. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_15204 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Soft-Output from Covered Space Decoding of Product Codes Janz, Tim Obermüller, Simon Zunker, Andreas Brink, Stephan ten Information Theory In this work, we propose a new soft-input soft-output decoder called soft-output from covered space (SOCS) decoder. It estimates the a posteriori reliability based on the space explored by a list decoder, i.e., the set of vectors for which the list decoder knows whether they are codewords. This approach enables a more accurate calculation of the a posteriori reliability and results in gains of up to 0.25$\,$dB for turbo product decoding with SOCS compared to Chase-Pyndiah decoding. |
| title | Soft-Output from Covered Space Decoding of Product Codes |
| topic | Information Theory |
| url | https://arxiv.org/abs/2504.15204 |