Decoding error probability of random parity-check matrix ensemble over the erasure channel: Decoding error of random PC matrix ensemble over EC: C. H. Chan et al.
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| Title: | Decoding error probability of random parity-check matrix ensemble over the erasure channel: Decoding error of random PC matrix ensemble over EC: C. H. Chan et al. |
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| Authors: | Chan, Chin Hei, Fu, Fang-Wei, Xiong, Maosheng |
| Source: | Designs, Codes & Cryptography; Jan2025, Vol. 93 Issue 1, p51-77, 27p |
| Subject Terms: | PARITY-check matrix, ERROR probability, RANDOM matrices, LINEAR codes, EXPONENTS |
| Abstract: | In this paper we carry out an in-depth study on the average decoding error probability of the random parity-check matrix ensemble over the erasure channel under three decoding principles, namely unambiguous decoding, maximum likelihood decoding and list decoding. We obtain explicit formulas for the average decoding error probabilities of the random parity-check matrix ensemble under these three decoding principles and compute the error exponents. Moreover, for unambiguous decoding, we compute the variance of the decoding error probability of the random parity-check matrix ensemble and the error exponent of the variance, which implies a strong concentration result, that is, roughly speaking, the ratio of the decoding error probability of a random linear code in the ensemble and the average decoding error probability of the ensemble converges to 1 with high probability when the code length goes to infinity. [ABSTRACT FROM AUTHOR] |
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| Database: | Complementary Index |
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