一级黄色片免费播放|中国黄色视频播放片|日本三级a|可以直接考播黄片影视免费一级毛片

高級(jí)搜索

留言板

尊敬的讀者、作者、審稿人, 關(guān)于本刊的投稿、審稿、編輯和出版的任何問題, 您可以本頁添加留言。我們將盡快給您答復(fù)。謝謝您的支持!

姓名
郵箱
手機(jī)號(hào)碼
標(biāo)題
留言內(nèi)容
驗(yàn)證碼

多用戶降噪差分混沌鍵控通信方案

張剛,  陳和祥,  張?zhí)祢U

張剛, 陳和祥, 張?zhí)祢U. 多用戶降噪差分混沌鍵控通信方案[J]. 電子與信息學(xué)報(bào), 2019, 41(2): 362-368. doi: 10.11999/JEIT171173
引用本文: 張剛, 陳和祥, 張?zhí)祢U. 多用戶降噪差分混沌鍵控通信方案[J]. 電子與信息學(xué)報(bào), 2019, 41(2): 362-368. doi: 10.11999/JEIT171173
Gang ZHANG, Hexiang CHEN, Tianqi ZHANG. A Multiuser Noise Reduction Differential Chaos Shift Keying System[J]. Journal of Electronics & Information Technology, 2019, 41(2): 362-368. doi: 10.11999/JEIT171173
Citation: Gang ZHANG, Hexiang CHEN, Tianqi ZHANG. A Multiuser Noise Reduction Differential Chaos Shift Keying System[J]. Journal of Electronics & Information Technology, 2019, 41(2): 362-368. doi: 10.11999/JEIT171173

多用戶降噪差分混沌鍵控通信方案

doi: 10.11999/JEIT171173 cstr: 32379.14.JEIT171173

  • 重慶郵電大學(xué)信號(hào)與信息處理重慶市重點(diǎn)實(shí)驗(yàn)室 ??重慶 ??400065

基金項(xiàng)目: 國家自然科學(xué)基金項(xiàng)目(61771085, 61671095, 61371164)，信號(hào)與信息處理重慶市市級(jí)重點(diǎn)實(shí)驗(yàn)室建設(shè)項(xiàng)目(CSTC2009CA2003)，重慶市教育委員會(huì)科研項(xiàng)目(KJ1600427, KJ1600429)
詳細(xì)信息
    作者簡(jiǎn)介:

    張剛：男，1976年生，博士，副教授，研究方向?yàn)榛煦缤?、混沌保密通?/p>

    陳和祥：男，1993年生，碩士生，研究方向?yàn)榛煦绫Ｃ芡ㄐ?/p>

    張?zhí)祢U：男，1971年生，博士后，教授，研究方向?yàn)閿U(kuò)頻信號(hào)的盲處理、神經(jīng)網(wǎng)絡(luò)實(shí)現(xiàn)以及信號(hào)的同步處理

    通訊作者:

    陳和祥　694368038@qq.com

  • 中圖分類號(hào): TN918.6

A Multiuser Noise Reduction Differential Chaos Shift Keying System

  • Chongqing Key Laboratory of Signal and Information Processing, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Funds: The National Natural Science Foundation of China (61771085, 61671095, 61371164), The Project of Key Laboratory of Signal and Information Processing of Chongqing (CSTC2009CA2003), The Research Project of Chongqing Educational Commission (KJ1600427, KJ1600429)
  • 摘要:

    傳統(tǒng)多用戶差分混沌鍵控主要缺點(diǎn)是誤碼率差，該文提出一種多用戶降噪差分混沌鍵控(MU-NRDCSK)通信方案。在發(fā)射端，發(fā)送M/P長度混沌序列，復(fù)制P次后作為參考信號(hào)，所有用戶共用同一參考信號(hào)，信息信號(hào)延遲不同的時(shí)間來區(qū)分用戶。在接收端，將接收到的信號(hào)通過滑動(dòng)平均濾波器平均，再與其不同時(shí)間延遲后的信號(hào)進(jìn)行相關(guān)。該方案通過降低噪聲項(xiàng)的方差來提高系統(tǒng)誤碼性能。文中推導(dǎo)了該方案在加性高斯白噪聲(AWGN)信道和Rayleigh信道下的理論誤碼率公式并進(jìn)行了蒙特卡洛仿真。理論分析和仿真結(jié)果表明，理論公式與仿真結(jié)果能較好地吻合，MU-NRDCSK方案能較好地提高系統(tǒng)誤碼性能，在混沌通信領(lǐng)域具有很好的發(fā)展前景與研究?jī)r(jià)值。

    Abstract:

    One of the major drawbacks of the conventional Multiuser Differential Chaos Shift Keying is the poor Bit Error Rate (BER), a MultiUser Noise Reduction Differential Chaos Shift Keying (MU-NRDCSK) system is proposed. At the transmitter, M/P chaotic samples are transmitted and then duplicated P times as a reference signal, all users share the same reference signal, and information signals are delayed by different times to distinguish different users. At the receiver, the received signal is averaged by a moving average filter, and then the resultant filtered signal is correlated to different time-delated replica. The scheme can enhance the performance of BER by reducing the variance of noise terms in the system. The theoretical BER formula of this new scheme is derived in Additive White Gaussian Noise (AWGN) channel and Rayleigh channel. Theoretical analysis and the simulation results show that the theoretical formula and the simulation result are in good agreement. The MU-NRDCSK scheme can enhance the performance of BER better and has good development prospects and research value in the chaotic communication field.

    • HTML全文

  • 圖  1  MU-NRDCSK系統(tǒng)傳輸信號(hào)的幀結(jié)構(gòu)

    圖  2  MU-NRDCSK系統(tǒng)發(fā)射端結(jié)構(gòu)

    圖  3  MU-NRDCSK系統(tǒng)接收端結(jié)構(gòu)圖

    圖  4  兩徑Rayleigh衰落信道

    圖  5  系統(tǒng)${R_D}$和${S_E}$變化曲線

    圖  6  不同信噪比條件下系統(tǒng)誤碼性能隨擴(kuò)頻因子變化曲線

    圖  7  誤碼率隨用戶數(shù)在不同信道下變化曲線

    圖  8  MU-NRDCSK, HE-DCSK, I-DCSK系統(tǒng)誤碼性能比較曲線

  • 陳志剛, 梁滌青, 鄧小鴻, 等. Logistic混沌映射性能分析與改進(jìn)[J]. 電子與信息學(xué)報(bào), 2016, 38(6): 1547–1551. doi: 10.11999/JEIT151039

    CHEN Zhigang, LIANG Diqing, DENG Xiaohong, et al. Performance analysis and improvement of logistic chaotic mapping[J]. Journal of Electronics &Information Technology, 2016, 38(6): 1547–1551. doi: 10.11999/JEIT151039
    張剛, 孟維, 張?zhí)祢U. 多用戶分段移位差分混沌鍵控通信方案[J]. 電子與信息學(xué)報(bào), 2017, 39(5): 1219–1225. doi: 10.11999/JEIT160795

    ZHANG Gang, MENG Wei, and ZHANG Tianqi. Multiuser communication scheme based on segment shift differential chaos shift keying[J]. Journal of Electronics &Information Technology, 2017, 39(5): 1219–1225. doi: 10.11999/JEIT160795
    XU Weikai, WANG Lin, and CHEN Guanrong. Performance of DCSK cooperative communication systems over multipath fading channels[J]. IEEE Transactions on Circuits & System I Regular Papers, 2011, 58(1): 196–204. doi: 10.1109/TCSI.2010.2071730
    DAS S, MANDAL S K, and CHAKRABORTY M. LMMSE equalized DCSK communication system over a multipath fading channel with AWGN noise[C]. Third International Conference on Computer, Communication, Control and Information Technology, Hooghly, India, 2015: 1–4.
    VALI R, BERBER S M, and NGUANG S K. Analysis of chaos-based code tracking using chaotic correlation statistics[J]. IEEE Transactions on Circuits & Systems I Regular Papers, 2012, 59(4): 796–805. doi: 10.1109/TCSI.2011.2169885
    FU Yongqing and LI Xingyuan. A novel chaos oscillation and its application in wireless communication[C]. International Conference on Smart and Sustainable City and Big Data, the Institution of Engineering and Technology, Shanghai, China, 2015: 83–90.
    DING Qun and WANG Jianan. Design of frequency-modulated correlation delay shift keying chaotic communication system[J]. IET Communications, 2011, 5(7): 901–905. doi: 10.1049/iet-com.2010.0643
    ESCRIBANO F J, KADDOUM G, WAGEMAKERS A, et al. Design of a new differential chaos-shift-keying system for continuous mobility[J]. IEEE Transactions on Communications, 2016, 64(5): 2066–2078. doi: 10.1109/TCOMM.2016.2538236
    MARTIN H and THOMAS S. Chaos communication over noisy channels[J]. International Journal of Bifurcation and Chaos, 2000, 10(4): 719–735. doi: 10.1142/S0218127400000505
    FRANCIS C M L and CHI K T. On optimal detection of noncoherent chaos-shift-keying signals in a noisy environment[J]. International Journal of Bifurcation & Chaos, 2003, 13(6): 1587–1597.
    YANG Hua, JIANG Guoping, and DUAN Junyi. Phase-separated DCSK: A simple delay-component-free solution for chaotic communications[J]. IEEE Transactions on Circuits & Systems II Express Briefs, 2014, 61(12): 967–971. doi: 10.1109/TCSII.2014.2356914
    ALBASSAM N N. A new hybrid DCSK-CDSK scheme for Chaos based communications[C]. International Conference on Information and Communication Systems, IEEE, Irbid, Jordan, 2014: 1–5.
    YANG Hua and JIANG Guoping. High-efficiency differential-chaos-shift-keying scheme for chaos-based noncoherent communication[J]. IEEE Transactions on Circuits System II Express Briefs, 2012, 59(5): 312–316. doi: 10.1109/TCSII.2012.2190859
    GALIAS Z and MAGGIOM G M. Quadrature chaos–shift keying: Theory and performance analysis[J]. IEEE Transactions on Circuits & Systems I Fundamental Theory & Applications, 2001, 48(12): 1510–1519. doi: 10.1109/TCSI.2001.972858
    KADDOUM G, SOUJERI E, ARCILA C, et al. I-DCSK: An improved noncoherent communication system architecture[J]. IEEE Transactions on Circuits & Systems II Express Briefs, 2015, 62(9): 901–905. doi: 10.1109/TCSII.2015.2435831
    LAU F C M, YIP M M, TSE C K, et al. A multiple access technique for differential chaos shift keying[J]. International Journal of Innovative Technology & Exploring Engineering, 2013, 49(1): 96–104. doi: 10.1109/81.974883
    XU Weikai, WANG Lin, and KOLUMBAN G. A novel differential chaos shift keying modulation scheme[J]. International Journal of Bifurcation & Chaos, 2011, 21(3): 799–814. doi: 10.1142/S0218127411028829
    TALEB F, BENDIMERAD F T, and ROVIRASR D. Very high efficiency differential chaos shift keying system[J]. IET Communications, 2016, 10(17): 2300–2307. doi: 10.1049/iet-com.2016.0411
    BAI Chao, REN Haipeng, GREBOGI C, et al. Chaos-based underwater communication with arbitrary transducers and bandwidth[J]. Applied Sciences, 2018, 8(2): 162. doi: 10.3390/app8020162
    KADDOUM G and SOUJERI E. NR-DCSK: A noise reduction differential chaos shift keying system[J]. IEEE Transactions on Circuits & Systems II Express Briefs, 2016, 63(7): 648–652. doi: 10.1109/TCSII.2016.2532041
    KADDOUM G, RICHARDSON F D, and GAGNON F. Design and analysis of a multi-carrier differential chaos shift keying communication system[J]. IEEE Transactions on Communications, 2013, 61(8): 3281–3291. doi: 10.1109/TCOMM.2013.071013.130225
  • 加載中
圖(8)
計(jì)量
  • 文章訪問數(shù):  1427
  • HTML全文瀏覽量:  535
  • PDF下載量:  59
  • 被引次數(shù): 0
出版歷程
  • 收稿日期:  2017-12-14
  • 修回日期:  2018-11-21
  • 網(wǎng)絡(luò)出版日期:  2018-11-26
  • 刊出日期:  2019-02-01

目錄

    /

    返回文章
    返回