The decoder first decodes the polar code using the standard successive cancellation decoding algorithm, but instead of stopping there, it also checks if the decoded message satisfies the CRC. If the message fails the CRC check, the decoder assumes that there are errors in the decoded message ...
u using a predetermined interleaving mapping function that depends on the number of data bits K and is operable to distribute some bits of the set of parity bits p in front of some data bits u; and encoding the interleaved bits using a Polar encoder to generate a set of encoded bits x....
循环冗余校验(cyclicredundancycheck,简称crc)码作为一种常用的检错码,是一种最为常见的与polar码级联的外码。传统的polar码级联crc码的编码流程框图如图3所示,在发送端,根据给定的crc多项式对全部待编码比特序列进行crc编码,crc编码后,将生成的crc校验比特拼接在原比特序列末尾,并把经crc编码后得到的crc校验比特和该...
基于CRC的Polar-LDPC级联的优化方案
Polar码就是以此种方式实现编码的。当编码长度 N 趋向无穷大时,Polar码可以...信道编码概念 信道编码过程包括添加循环冗余校验码(CRC,CyclicRedundancyCheck)、码块分割(Code Block Segmentation)、纠错 智能推荐 CRC的计算 用多项式来表示循环冗余检验过程。 多项式P(X) = X4 + X3 + 1表示...
It is known that a CRC (cyclic redundancy check)-concatenated polar coding scheme with successive cancellation list (SCL) decoding can signicantly enhance the error rate performance of the polar code with successive cancellation decoding. This advanced decoding method for the CRC-concatenated polar co...
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10. Simplified Early Stopping Criterion for Belief-Propagation Polar Code Decoder Based on Frozen Bits[J].Yongli Yan;Xuanxuan Zhang;Bin Wu,IEEE Access.2019,第期 上一页 1 下一页 相似文献 中文文献 外文文献 专利 1. 极化码自适应连续消除列表比特翻转译码算法 [J] . 刘伟 ,段红光 . 重庆邮电...
cyclic redundancy check codeserror detection codesHamming codespolynomialstable lookup/ low-complexity CRCerror detection codesoftware implementation... Nguyen,D G. - 《IEEE Transactions on Computers》 被引量: 7发表: 2010年 Performance of polar codes with low complexity cyclic redundancy check aided bit...
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