On the Design of Serially Concatenated LDGM Codes for BIAWGN Channels

arXiv: Information Theory, Volume abs/1801.08270, 2018.

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In this paper, we first prove a necessary condition for the successful decoding of serially concatenated low-density generator-matrix (SCLDGM) codes under sum-product (SP) decoding in binary input additive white Gaussian noise (BIAWGN) channels. We show that the inner decoder of such codes must at least produce a certain bit error rate (B...More



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