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- W4385269785 abstract "A low complexity Hybrid Automatic Repeat reQuest (HARQ) scheme for a polar code decoder is presented which provides a coding gain at the expense of information throughput at very low SNRs. Unlike complex incremental redundancy HARQ schemes or those which use a CRC to identify a decoding failure, only two nodes within the polar tree are monitored to predict a decoding failure. The performance of this low complexity algorithm is compared with an ideal Genie algorithm that has access to the transmitted symbols to identify a decoding failure. It is shown that the frame error rate (FER) of the HARQ algorithm follows the Genie algorithm from low to high signal-to-noise ratios (SNRs) and ensures the information throughput reverts back to 100% at high SNRs. Simulation results are presented for the rate 1/2 (N = 8, K = 4) and rate 5/8 (N = 16, K = 10) polar codes from the 5G standard over an additive white gaussian noise (AWGN)." @default.
- W4385269785 created "2023-07-27" @default.
- W4385269785 creator A5057477870 @default.
- W4385269785 date "2023-06-21" @default.
- W4385269785 modified "2023-09-25" @default.
- W4385269785 title "Low Complexity HARQ Algorithm for a Polar Code Decoder" @default.
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- W4385269785 doi "https://doi.org/10.1109/wimob58348.2023.10187849" @default.
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