极化码在LTE系统中的应用

doi:10.11959/j.issn.1000-0801.2017066

电信科学 ›› 2017, Vol. 33 ›› Issue (3): 22-28.doi: 10.11959/j.issn.1000-0801.2017066

极化码在LTE系统中的应用

许进¹,陈梦竹¹,朴瑨楠²

¹ 中兴通讯股份有限公司，广东深圳 518055
² 北京邮电大学信息与通信工程学院，北京 100876

修回日期:2017-03-05 出版日期:2017-03-01 发布日期:2017-04-05
作者简介:许进（1978-），男，博士，中兴通讯股份有限公司高级工程师，主要研究方向为极化码、低密度奇偶校验码和网络编码等新型编码调制技术。|陈梦竹（1991-），女，中兴通讯股份有限公司算法助理工程师，主要研究方向为极化码编码。|朴瑨楠（1993-），男，北京邮电大学信息与通信工程学院博士生，主要研究方向为信道编码。
基金资助:
国家自然科学基金资助项目(61171099);国家高技术研究发展计划（“863”计划）基金资助项目(2015AA01A709);中兴通讯产学研资助项目

Application of polar code in LTE system

Jin XU¹,Mengzhu CHEN¹,Jinnan PIAO²

¹ ZTE Corporation, Shenzhen 518055, China
² School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Revised:2017-03-05 Online:2017-03-01 Published:2017-04-05
Supported by:
The National Natural Science Foundation of China(61171099);The National High Technology Research and Development Program(863 Program)of China(2015AA01A709);ZTE Funded Research Project

摘要/Abstract

摘要：

为了实现极化码在LTE系统中的应用，提出了两类LTE系统中的极化码编码调制方案：联合极化编码调制（MLC-PCM）方案和比特交织极化编码调制（BIPCM）方案。其中，MLC-PCM方案凸显了通信系统中联合极化设计对系统性能提升的重要作用。此外，由于极化码的编码码长不一定为2的幂次，因此提出了一套简单易行且性能优异的极化码速率适配打孔方案，使得极化码的码长可以任意变化。最后，将极化编码调制方案与LTE系统Turbo码编码调制方案在所有MCS等级上进行了对比，仿真结果显示，在所有MCS等级上，极化编码调制方案都有明显性能增益。

关键词: LTE, 极化码, 编码调制, 联合极化编码调制, 比特交织极化编码调制

Abstract:

In order to implement the application of polar code in LTE system,two kinds of coding modulation schemes under LTE radio link were proposed,which were multilevel coding polar coded modulation (MLC-PCM)scheme and bit interleave polar coding modulation (BIPCM)scheme.MLC-PCM scheme highlights that multilevel polarization design is significant to the promotion of system performance in communication system.Furthermore,the length of polar code may not be the power of 2 for different business requirement,so a rate match scheme that was easy to implement and well property for polar codes was proposed,to make the length of polar codes change arbitrarily.Finally,compared with the Turbo code modulation scheme in LTE system on all the MCS level,polar code modulation can have a obvious gain.

Key words: LTE, polar code, code modulation, multilevel coding polar coded modulation, bit interleave polar coding modulation

中图分类号:

TN911

许进,陈梦竹,朴瑨楠. 极化码在LTE系统中的应用[J]. 电信科学, 2017, 33(3): 22-28.

Jin XU,Mengzhu CHEN,Jinnan PIAO. Application of polar code in LTE system[J]. Telecommunications Science, 2017, 33(3): 22-28.

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参考文献 19

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符号	-7	-5	-3	-1	1	3	5	7
bit 1	0	1	0	1	0	1	0	1
bit 2	0	0	1	1	0	0	1	1
bit 3	0	0	0	0	1	1	1	1

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极化码在LTE系统中的应用

Application of polar code in LTE system

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