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- W2950936450 abstract "For finite length polar codes, channel polarization leaves a significant number of channels not fully polarized. Adding a Cyclic Redundancy Check (CRC) to better protect information on the semi-polarized channels has already been successfully applied in the literature, and is straightforward to be used in combination with Successive Cancellation List (SCL) decoding. Belief Propagation (BP) decoding, however, offers more potential for exploiting parallelism in hardware implementation, and thus, we focus our attention on improving the BP decoder. Specifically, similar to the CRC strategy in the SCL-case, we use a short-length auxiliary LDPC code together with the polar code to provide a significant improvement in terms of BER. We present the novel concept of scattered EXIT charts to design such auxiliary LDPC codes, and achieve net coding gains (Le. for the same total rate) of 0.4 dB at BER of 1E-5 compared to the conventional BP decoder." @default.
- W2950936450 created "2019-06-27" @default.
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- W2950936450 date "2016-11-11" @default.
- W2950936450 modified "2023-09-25" @default.
- W2950936450 title "Improving Belief Propagation Decoding of Polar Codes Using Scattered EXIT Charts" @default.
- W2950936450 doi "https://doi.org/10.48550/arxiv.1611.03655" @default.
- W2950936450 hasPublicationYear "2016" @default.
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