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Volume 32 Issue 7
Aug.  2010
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Peng Yan-hua, Tang Bin, Lü Ming. Chip Rate Estimation of the DS/SS Signal Based on SSME Algorithm[J]. Journal of Electronics & Information Technology, 2010, 32(7): 1649-1653. doi: 10.3724/SP.J.1146.2009.01026
Citation: Peng Yan-hua, Tang Bin, Lü Ming. Chip Rate Estimation of the DS/SS Signal Based on SSME Algorithm[J]. Journal of Electronics & Information Technology, 2010, 32(7): 1649-1653. doi: 10.3724/SP.J.1146.2009.01026

Chip Rate Estimation of the DS/SS Signal Based on SSME Algorithm

doi: 10.3724/SP.J.1146.2009.01026
  • Received Date: 2009-07-20
  • Rev Recd Date: 2010-02-04
  • Publish Date: 2010-07-19
  • A new algorithm based on Split-Symbol Moments Estimator (SSME) is provided in this paper to estimate blindly the chip rate of Direct Sequence Spread Spectrum (DS/SS) signal. The effectiveness of this algorithm is verified by analyzing the relationship between the symbol rate and chip rate, and the relationship between chip rate and Signal-to-Noise Ratio (SNR) in Additive White Gaussian Noise (AWGN). Computer simulation shows that this algorithm can estimate the chip rate successfully in low SNR and can enhance the accuracy of the chip rate estimation by increasing the length of the processed sampling data.
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  • 王刚, 江东. 基于谱相关的直扩信号载频及伪码速率估计技术. 现代电子技术, 2006, (13): 23-25.Wang Gang and Jiang Dong. Carrier frequency and PNchip-rate estimation of DS signal based on spectral correlation.Modern Electronics Technique, 2006, (13): 23-25.[2]Weber J, Kowalske K, and Robertson C, et al.. Performanceof a digital Ad-hoc Chip Rate Estimator (ACRE) given adirect sequence spread spectrum pulse shaped signal.Military Communications Conference, MILCOM 2006,Washington DC, United States, 2006: 1-8.[3]Kuehls J F and Geraniotis E. Presence detection of Binary-Phase-Shift-Keyed and Direct-Sequence Spread-Spectrumsignals using a prefilter-delay-and-multiply device[J].IEEEJournal on Selected Areas in Communications.1990, 8(5):915-933[4]董占奇, 胡捍英, 于宏毅. 基于延迟相乘-相关及谱分析的直扩信号检测与符号周期、码片时宽估计分析[J].电子与信息学报.2008, 30(4):840-842浏览[5]Dong Zhan-qi and Li Ming-xia. A method for the detection oflong pseudo-random code DSSS signals based on theprocessing of delay-multiply (I) The estimation of thepseudo-random code period and the chip width. 2008 11thIEEE International Conference on CommunicationTechnology Proceedings, ICCT 2008, Hangzhou, China, Nov.10-12, 2008: 205-208.[6]Simon M and Dolinar S. Improving signal-to-noise ratioestimation for autonomous receivers. The InterplanetaryNetwork Progress Report, Jet Propulsion Laboratory,Pasadena, California, November 15, 2004, Vol. 42-159: 1-19.[7]Burel G, Bouder C, and Berder O. Detection of directsequence spread spectrum transmissions without priorknowledge. IEEE Global Telecommunicatins ConferenceGLOBECOM'01, San Antonio TX, United states, Nov.25-29,2001, Vol. 1: 236-239.[8]Xu Hai-yuan, Huang Zhi-tao, and Zhou Yi-yu. Blindestimation of the symbol period of a long-code DS-SS signal.2007 International Conference on Microwave and MillimeterWave Technology, ICMMT '07, Guilin, China, 2007: 1-4.[9]Dong Zhan-qi and Li Ming-xia. A method for the detection oflong pseudo-random code DSSS signals based on theprocessing of delay-multiply (II)The estimation of theinformation symbol period and the pseudo-random codesequence. 11th IEEE International Conference onCommunication Technology Proceedings, ICCT, Hangzhou,China, Nov.10-12, 2008: 205-208.[10]Hamkins J and Simon M K. Autonomous Software-DefinedRadio Receivers for Deep Space Applications. United States:Wiley-Interscience, 2006: 121-226.
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