改进下一代无线网络前向纠错的三维交织器

Nilesh Sharma, P. Vyavahare, Anjana Jain
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引用次数: 0

摘要

下一代通信系统通过采用频谱效率技术和使用近香农限制信道代码来降低误码率,从而实现更高的比特率。前向纠错码(FEC)的性能在很大程度上取决于交织器的设计。本文介绍了不同的交织技术及其分类和性能度量矩阵。提出了三维交织器的设计方法,并以一个375位交织器为例描述了三维交织器的伪码。最后,将所提交织器与现有二维交织器进行了比较。结果表明,与现有算法相比,该算法具有更高的扩展因子。由此得出结论,增加交织器的维数可以提高可实现的扩频因子,从而提高FEC码的性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Three-Dimensional Interleaver for Improving Forward Error Correction in Next-Generation Wireless Networks
Next-generation communication systems achieve higher bit rate by employing spectral efficient techniques and use near Shannon limit channel codes for reducing the bit error rate. The performance of such Forward Error Correction (FEC) codes such as Turbo codes, largely depend on the design of the interleaver. In this paper, different interleaving techniques, their classification, and performance measure matrix are presented. The design of three-dimension interleaver proposed and its pseudo-code is described by considering an example of 375 bit interleaver. Finally, the proposed interleaver is compared with the existing two-dimensional interleaver. It is found that the proposed algorithm achieves a higher spreading factor as compared to the existing one. Thus, it is concluded that increased dimensionality in interleaver improves achievable spreading factor and thereby improved performance of FEC codes.
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