Comments (2)
wsxtyrdd
commented on May 22, 2024
One additional question:
Small updates to support normalized minsum algorithm, i.e., msg = sign_val * msg_e * 0.8 in _cn_update_minsum_mapfn function of class LDPCBPDecoder, which may make the ber performance slightly better.
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SebastianCa
commented on May 22, 2024
It’s great to hear that you like Sionna.
I’m not exactly sure what you mean by “ARQ support”, but I assume it relates to the incremental redundancy (IR) of LDPC codes. Supporting IR is currently not our highest priority, but could be definitively integrated in a future release.
Regarding your question about minsum decoding: it is already possible to scale the VN2CN messages with trainable weights.If initialized with a constant value, these weights allow scaled min-sum decoding (see Weighted BP example).
Remark: Closing this thread as this is not really an issue. Please consider starting a new discussion in the forum for future feature requests.
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