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Multiple candidates successive-cancellation decoding of polar codes

机译:极性码的多个候选连续取消解码

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摘要

This paper proposes an effective scheme to improve the error performance of conventional successive-cancellation (SC) decoding algorithm for polar codes. The proposed scheme, which is referred to as the multiple candidates (MC) scheme constructs a set of candidates for the starting vector for SC decoding. Each candidate vector in the set is generated by adding a random offset of the original received vector. Simulation results show that conventional SC decoding algorithm applying the MC scheme achieves noticeable gains over the original SC algorithms with reasonable increase in computational cost.
机译:本文提出了一种有效的方案,以提高传统的极性码连续消除法(SC)解码算法的误码性能。所提出的方案被称为多候选者(MC)方案,其构造用于SC解码的起始向量的候选者集合。通过添加原始接收向量的随机偏移来生成集合中的每个候选向量。仿真结果表明,采用MC方案的传统SC解码算法与原​​始SC算法相比,具有明显的收益,并且计算量合理增加。

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