Comparative Study of Channel Coding Schemes for 5G

W. Abdulwahab, Abdulkareem Abdulrahman Kadhim
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引用次数: 17

Abstract

In this paper we look into 5G requirements for channel coding and review candidate channel coding schemes for 5G. A comparative study is presented for possible channel coding candidates of 5G covering Convolutional, Turbo, Low Density Parity Check (LDPC), and Polar codes. It seems that polar code with Successive Cancellation List (SCL) decoding using small list length (such as 8) is a promising choice for short message lengths (≤128 bits) due to its error performance and relatively low complexity. Also adopting non-binary LDPC can provide good performance on the expense of increased complexity but with better spectral efficiency. Considering the implementation, polar code with decoding algorithms based on SCL required small area and low power consumption when compared to LDPC codes. For larger message lengths (≥256 bits) turbo code can provide better performance at low coding rates (<1/2)
5G信道编码方案的比较研究
在本文中,我们研究了5G对信道编码的要求,并审查了5G的候选信道编码方案。对5G可能的信道编码候选者进行了比较研究,包括卷积、Turbo、低密度奇偶校验(LDPC)和Polar编码。由于其错误性能和相对较低的复杂性,使用小列表长度(如8)的连续取消列表(SCL)解码的极性码似乎是短消息长度(≤128位)的有希望的选择。此外,采用非二进制LDPC可以在增加复杂性的代价下提供良好的性能,但具有更好的频谱效率。考虑到实现,与LDPC码相比,基于SCL解码算法的极化码需要更小的面积和更低的功耗。对于较大的消息长度(≥256位),turbo码可以在低编码速率(<1/2)下提供更好的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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