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Flexible IR-HARQ Scheme for Polar-Coded Modulation
Peihong Yuan, Fabian Steiner, Tobias Prinz, Georg Böcherer · 2018-05-18 · via cs.IT updates on arXiv.org

A flexible incremental redundancy hybrid auto- mated repeat request (IR-HARQ) scheme for polar codes is proposed based on dynamically frozen bits and the quasi-uniform puncturing (QUP) algorithm. The length of each transmission is not restricted to a power of two. It is applicable for the binary input additive white Gaussian noise (biAWGN) channel as well as higher-order modulation. Simulation results show that this scheme has similar performance as directly designed polar codes with QUP and outperforms LTE-turbo and 5G-LDPC codes with IR-HARQ.

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