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We propose a pragmatic labeling design based on the extrinsic information transfer (EXIT) chart for bit-interleaved coded modulation with iterative decoding on multiple-input-multiple-output channels. In our design, the EXIT chart is used to determine a candidate set of labelings which have representative demapper transfer curves. Then, a procedure to generate these labelings is provided based on...
Bit-interleaved coded modulation with iterative decoding (BICM-ID) has been verified to be a powerful transmission scheme with remarkable bit-error-rate performance. Among those well-designed BICM-ID systems, we observe that some of the channel encoders and signal mappers are inherently with the capability of multilevel protection. A new scheduling rule called protection matching which can properly...
In this paper, labeling is jointly designed with the outer code by the EXIT chart based analysis to improve the performance of bit-interleaved coded modulation with iterative decoding. A systematic design methodology is proposed for regular modulation schemes which can easily obtain a set of labelings with various slopes. Given an outer code, the optimal labeling which has the steepest slope but still...
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