基于校验方程符合度下的Turbo码编码器盲识别

张立民; 吴昭军; 钟兆根

doi:10.11999/JEIT161391

基于校验方程符合度下的Turbo码编码器盲识别

doi: 10.11999/JEIT161391

1.
(海军航空工程学院信息融合所烟台 264001) ②(海军航空工程学院电子信息工程系烟台 264001)

基金项目:

国家自然科学基金(91538201)，泰山学者工程专项经费(ts201511020)

计量
- 文章访问数: 1415
- HTML全文浏览量: 129
- PDF下载量: 283
- 被引次数: 0
出版历程
- 收稿日期: 2016-12-23
- 修回日期: 2017-03-20
- 刊出日期: 2017-09-19

Blind Recognition of Turbo Code Encoder Based on Conformity of Parity-check Equation

1.
(Institute of Information Fusion, Naval Aeronautical and Astronautical University, Yantai 264001, China)
2.
(Department of Electronic and Information Engineering, Naval Aeronautical and Astronautical University, Yantai 264001, China)

Funds:

The National Natural Science Foundation of China (91538201), Taishan Scholar Special Foundation (ts201511020)

摘要

摘要: 针对目前Turbo码分量编码器参数识别算法容错性不好、计算量大的缺点，该文提出一种基于校验方程符合度的新算法。首先，根据码元约束长度较小的特点，构建出编码器生成多项式数据库，然后通过遍历多项式数据库，计算出每种多项式所对应的平均校验方程符合度值，其最大值所对应的索引号即为多项式库中的正确多项式索引号，从而完成编码多项式的识别。该算法仅仅遍历有限的多项式数据库，其计算量较小，只与截获的数据量有关；算法采用的数据为软判决信息，故其容错性能较好。仿真结果表明：在信噪比为0 dB条件下，仅需要截获10码块，交织长度为100的码元数据量，参数的识别率就能达到90%以上。
- Turbo码 /
- 编码器 /
- 校验方程符合度 /
- 多项式数据库
Abstract: In order to solve the defects of poor error tolerance and large calculation amount in current Turbo-code encoder recognition algorithms, a new algorithm based on conformity of parity-check equation is proposed. Firstly, according to small code constraint length, the coding polynomial database is built, then each polynomial of average conformity of parity-check equation is calculated by traversing the database, as a result, the Turbo-code encoder can be realized, because the correct polynomial can make the conformity maximum. The algorithm has small amount of calculation because of finite traversal, which is only related to amount of intercepted data, besides, this algorithm has good error tolerance by soft decisions. The simulation results show that the correct ratio of recognition can reach 90% at SNR of 0 dB by the 10 intercepted code blocks, and the length of each block is 100.
- Turbo-code /
- Encoder /
- Conformity of parity-check equation /
- Polynomial database

HTML全文

参考文献(27)

谢辉, 黄知涛, 王峰华. 信道编码盲识别技术研究进展[J]. 电子学报, 2013, 41(6): 1166-1176.

MUKHTAR H, AL-DWEIK A, and SHAMI A. Turbo product codes: Applications, challenges, and future directions [J]. IEEE Communications Surveys Tutorials, 2016, 18(4): 3052-3069. doi: 10.1109/COMST.2016.2587863.

XIE Hui, HUANG Zhitao, and WANG Fenghua. Research progress of blind recognition of channel coding[J]. Acta Electronica Sinica, 2013, 41(6): 1166-1176.

任亚博, 张健, 刘以农. 高误码率下Turbo码交织器的恢复方法[J]. 电子与信息学报, 2015, 37(8): 1927-1930. doi: 10.11999 /JEIT141556.

REN Yabo, ZHANG Jian, and LIU Yinong. Reconstruction of Turbo-code interleaver at high bit error rate[J]. Journal of Electronics Information Technology, 2015, 37(8): 1927-1930. doi: 10.11999/JEIT141556.

BARBIER J. Reconstruction of turbo-code encoders[J]. The International Society for Optical Engineering, 2005, 5819(5): 463-473.

解辉, 王峰华, 黄知涛, 等. 基于改进欧几里得算法的卷积码快速盲识别算法[J]. 国防科技大学报, 2012, 34(6): 159-162.

XIE Hui, WANG Fenghua, HUANG Zhitao, et al. A fast method for blind recognition of convolutional codes based on improved Euclidean algorithm[J]. Journal of National University of Defense Technology, 2012, 34(6): 159-162.

刘健, 王晓军, 周希元. 基于Walsh-Hadamard变换的卷积码盲识别[J]. 电子与信息学报, 2010, 32(4): 884-888. doi: 10.3724/SP.J1146.2009.00359.

LIU Jian, WANG Xiaojun, and ZHOU Xiyuan. Blind recognition of convolutional coding based on Walsh- Hadamard transform[J]. Journal of Electronics Information Technology, 2010, 32(4): 884-888. doi: 10.3724/ SP.J1146.2009.00359.

于沛东, 李静, 彭华. 一种利用软判决的信道编码识别新算法[J]. 电子学报, 2013, 41(2): 302-305.

YU Peidong, LI Jing, and PENG Hua. A novel algorithm for channel coding recognition using soft-decision[J]. Acta Electronica Sinica, 2013, 41(5): 302-305.

DEBESSU Y G, WU H C, and JIANG H. Novel blind encoder parameter estimation for Turbo codes[J]. IEEE Communications Letters, 2012, 16(16): 1917-1920.

YU Peidong, LI Jing, and PENG Hua. A least square method for parameter estimation of RSC sub-codes of Turbo codes[J]. IEEE Communications Letters, 2014, 18(4): 644-647.

武恒洲, 罗霄斌, 刘杰. Turbo码盲识别技术研究[J]. 无线电工程, 2015, 45(5): 24-27.

WU Hengzhou, LUO Xiaobin, and LIU Jie. Research on blind recognition of Turbo codes[J]. Journal of Radio Engineering, 2015, 45(5): 24-27.

张旻, 陆凯, 李歆昊, 等. 归零Turbo码的盲识别方法[J]. 系统工程与电子技术, 2016, 38(6): 1424-1427

ZHANG Min, LU Kai, LI Xinhao, et al. Blind recognition method for the turbo codes on trellis termination[J]. Journal of Systems Engineering and Electronics, 2016, 38(6): 1424-1427.

张旻, 陆凯, 李歆昊. Turbo编码类型的盲识别方法[J]. 电子测量与仪器学报, 2015, 29(5): 701-707.

ZHANG Min, LU Kai, and LI Xinhao. Blind identification for the type of Turbo code[J]. Journal of Electronic Measurement and Instrumentation, 2015, 29(5): 701-707.

GORDANY P, KESHAVARZ-HADDAD A, and JAMAHIDI A. Blind recovery of convolutional codes over noisy channels [C]. 24th Iranian Conference on Electrical Engineering, Shiraz, Iron, 2016: 1203-1207.

刘俊, 李静, 彭华. 基于校验方程平均符合度的Turbo码交织器估计[J]. 电子学报, 2016, 44(5): 1213-1217.

LIU Jun, LI Jing, and PENG Hua. Estimation of Turbo-code interleaver based on average conformity of parity-check equation[J]. Acta Electronica Sinica, 2016, 44(5): 1213-1217.

东阳. Turbo码盲识别技术研究与实现[D]. [硕士论文], 电子科技大学, 2015.

DONG Yang. The Identification of Turbo-codes and its implementation[D]. [Mater dissertation], University of Electronic Science and Technology of China, 2015.

林晓娴, 王维欢. SIMD-BF模型上的并行FWHT算法研究[J].计算机时代, 2011, (1): 30-32.

LIN Xiaoxian and WANG Weihuan. A study of parallel FWHT algorithm based on SIMD-BF model[J]. Computer Era, 2011, (1): 30-32.

施引文献

资源附件(0)

访问统计