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利用拟合优度检验的NPLSC-DSSS信号伪码盲估计

赵知劲 强芳芳 李淼 沈雷 王海泉

赵知劲, 强芳芳, 李淼, 沈雷, 王海泉. 利用拟合优度检验的NPLSC-DSSS信号伪码盲估计[J]. 电子与信息学报, 2017, 39(3): 749-753. doi: 10.11999/JEIT160541
引用本文: 赵知劲, 强芳芳, 李淼, 沈雷, 王海泉. 利用拟合优度检验的NPLSC-DSSS信号伪码盲估计[J]. 电子与信息学报, 2017, 39(3): 749-753. doi: 10.11999/JEIT160541
ZHAO Zhijin, QIANG Fangfang, LI Miao, SHEN Lei, WANG Haiquan . Blind Estimation of Pseudo-random Noise Codes in NPLSC-DSSS Signals Based on Goodness of Fit Test[J]. Journal of Electronics & Information Technology, 2017, 39(3): 749-753. doi: 10.11999/JEIT160541
Citation: ZHAO Zhijin, QIANG Fangfang, LI Miao, SHEN Lei, WANG Haiquan . Blind Estimation of Pseudo-random Noise Codes in NPLSC-DSSS Signals Based on Goodness of Fit Test[J]. Journal of Electronics & Information Technology, 2017, 39(3): 749-753. doi: 10.11999/JEIT160541

利用拟合优度检验的NPLSC-DSSS信号伪码盲估计

doi: 10.11999/JEIT160541
基金项目: 

国家自然科学基金(61571172)

Blind Estimation of Pseudo-random Noise Codes in NPLSC-DSSS Signals Based on Goodness of Fit Test

Funds: 

The National Natural Science Foundation of China (61571172)

  • 摘要: 针对非周期短码扩频长码加扰直扩(NPLSC-DSSS)信号的伪码估计问题,该文首先给出了m序列三阶相关函数(TCF)共同峰理论和NPLSC-DSSS信号TCF估计量的概率函数。其次,利用TCF峰的共轭系特性构建了TCF峰值序列,提出了TCF共同峰检测的二元假设模型和利用拟合优度检验的TCF共同峰精检测算法。同时,为提高伪码估计性能,该文利用正反向TCF三阶相关峰性质和共轭系TCF峰值点累加和递增性质排除大量伪峰。最后通过矩阵斜消法实现长短伪码的盲估计。仿真结果表明,该文方法在低信噪比条件下能够有效估计NPLSC-DSSS信号的伪随机码。
  • ZHANG Tianqi and ZHANG Chao. An unsupervised adaptive method to eigenstructure analysis of lower SNR DS signals[J]. IEICE Transactions on Communications, 2006, 89(6): 1943-1946. doi: 10.1093/ietcom/e89-b.6.1943.
    ZHANG Tianqi and MU Aiping. A modified eigen-structure analyzer to lower SNR DS-SS signals under narrow band interferences[J]. Digital Signal Processing, 2008, 18(4): 526-533. doi: 10.1016/j.dsp.2007.07.002.
    QIU P Y, HUANG Z T, JIANG W L, et al. Blind classification of the short-code and the long-code direct sequence spread spectrum signals[J]. IET Signal Processing, 2010, 4(1): 78-88. doi: 10.1049/iet-spr.2009.0033.
    王满喜, 李宏, 马刈非, 等. 低信噪比下非周期性直扩信号的盲估计[J]. 电子科技大学学报, 2009, 38(2): 177-181. doi: 10.3969/j.issn.1001-0548.2009.02.05.
    WhANG Manxi, LI Hong, MA Yifei, et al. Blind estimation of lower SNR aperiodic DS signals[J]. Journal of University of Electronic Science and Technology of China, 2009, 38(2): 177-181. doi: 10.3969/j.issn.1001-0548.2009.02.05.
    沈斌, 王建新. 基于奇异值分解的直扩信号伪码序列及信息序列盲估计方法[J]. 电子与信息学报, 2014, 36(9): 2098-2103. doi: 10.3724/SP.J.1146.2013.01692.
    SHEN Bin and WANG Jianxin. Blind estimation of the PN sequence and information sequence of a DSSS signal based on SVD[J]. Journal of Electronics Information Technology, 2014, 36(9): 2098-2103. doi: 10.3724/SP.J.1146.2013.01692.
    WARNER E S, MULGREW B, and GRANT P M. Triple correlation analysis of m-sequences[J]. Electronics Letters, 1993, 29(20): 1755-1756. doi: 10.1049/el:19931169.
    沈斌, 王建新. 窄带干扰条件下含有未知载频的直扩信号的伪码序列估计[J]. 电子与信息学报, 2015, 37(7): 1556-1561. doi: 10.11999/JEIT141322.
    SHEN Bin and WANG Jianxin. Estimation of PN sequence in DSSS signals with unknown carrier frequency under narrow band interferences[J]. Journal of Electronics Information Technology, 2015, 37(7): 1556-1561. doi: 10.11999/ JEIT141322.
    赵知劲, 李淼, 詹毅. LSC-DSSS信号长短伪码盲估计[J]. 信号处理, 2016, 32(3): 268-275. doi: 10.16798 /j.issn.1003-0530. 2016.03.003.
    ZHAO Zhijin, LI Miao, and ZHAN Yi. Blind estimation of long and short PN code in LSC-DSSS signals[J]. Journal of Signal Processing, 2016, 32(3): 268-275. doi: 10.16798/j.issn. 1003-0530.2016.03.003.
    赵知劲, 顾骁炜, 沈雷. 非周期长码直扩信号的长扰码识别[J]. 电子与信息学报, 2014, 36(8): 1792-1797. doi: 10.3724/SP.J. 1146.2013.01454.
    ZHAO Zhijin, GU Xiaowei, and SHEN Lei. An identification method of long pseudo-random code sequence in non-periodic direct sequence spread spectral signals[J]. Journal of Electronics Information Technology, 2014, 36(8): 1792-1797. doi: 10.3724/SP.J.1146.2013.01454.
    赵知劲, 顾骁炜, 沈雷, 等. 非周期长码直扩信号的伪随机码盲估计[J]. 通信学报, 2015, 36(5): 27-34. doi: 10.11959/j.issn. 1000-436x.2015121.
    ZHAO Zhijin, GU Xiaowei, SHEN Lei, et al. Blind estimation of pseudo-random codes in non-periodic long code direct- sequence spread-spectrum signals[J]. Journal on Communications, 2015, 36(5): 27-34. doi: 10.11959/j.issn.1000-436x.2015121.
    FUSCO T, IZZO L, NAPOLITANO A, et al. On the second- order cyclostationarity properties of long-code DS-SS signals [J]. IEEE Transactions on Communications, 2006, 54(10): 1741-1746. doi: 10.1109/TCOMM.2006.881353.
    卢光跃, 叶迎晖, 孙宇, 等. 克服噪声不确定度的拟合优度检验频谱感知算法[J]. 电讯技术, 2016, 56(1): 26-31. doi: 10.3969/j.issn.1001-893x.2016.01.005.
    LU Guangyue, YE Yinghui, SUN Yu, et al. A novel anti- noise-uncertainty spectrum sensing method using goodness of fit test[J]. Telecommunication Engineering, 2016, 56(1): 26-31. doi: 10.3969/j.issn.1001-893x.2016.01.005.
    LUO Jinjun, WANG Shilian, ZHANG Eryang, et al. Non- cooperative signal detection in alpha stable noise via Kolmogorov-Smirnov test[C]. International Congress on Image and Signal Processing (CISP), Shenyang, 2015: 1464-1468.
    WANG Fanggang and WANG Xiaodong. Fast and robust modulation classification via Kolmogorov-Smirnov test[J]. IEEE Transactions on Communications, 2010, 58(8): 2324-2332. doi: 10.1109/TCOMM.2010.08.090481.
    ASHWIN Lall. Data streaming algorithms for the Kolmogorov-Smirnov test[C]. IEEE International Conference on Big Data, Santa Clara, CA, USA, 2015: 95-104.
    Conover W J. 实用非参数统计[M]. 北京: 人民邮电出版社, 2006: 318-320.
    Conover W J. Practical Nonparametric Statistics[M]. Beijing: Posts Telecom Press, 2006: 318-320.
    廖辉荣, 李国林, 李涛. 基于三阶相关的伪码调相脉冲信号周期预估计[J]. 航天电子对抗, 2011, 27(3): 39-42. doi: 10.3969/ j.issn.1673-2421.2011.03.013.
    LIAO Huirong, LI Guoling, and LI Tao. Period estimation of phase-modulated pulse signal with PN code based on third-order correlation[J]. Aerospace Electronic Warfare, 2011, 27(3): 39-42. doi: 10.3969/j.issn.1673-2421.2011.03.013.
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出版历程
  • 收稿日期:  2016-05-06
  • 修回日期:  2016-10-31
  • 刊出日期:  2017-03-19

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