| An Automatic Interference Recognition Method in Spread Spectrum Communication System |
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| 作者姓名： | 杨小明 陶然 |
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| 作者单位： | Department of Electronic Engineering Beijing Institute of Technology, Beijing China100081 |
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| 基金项目： | Sponsored by the Ministerial Foundation of China （41001020201 and 11002040105） |
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| 摘 要： | An algorithm to detect and recognize interferences embedded in a direct sequence spread spectrum （DSSS） communication system is proposed. Based on Welch＇ s averaging modified periodogram method and fractional Fourier transfor- mation （FRFT）, the paper proposes a decision tree-based algorithm in which a set of decision criteria for identifying different types of interferences is developed. Simulation results demonstrate that the proposed algorithm provides a high recognition rate and is robust for various ISR and SNR.
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| 关 键 词： | 信息处理 干扰识别 谱估计 通信理论 |
| 文章编号： | 1673-002X（2007）03-0215-06 |
| 修稿时间： | 2006-12-15 |
An Automatic Interference Recognition Method in Spread Spectrum Communication System |
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| YANG Xiao-ming,TAO Ran.An Automatic Interference Recognition Method in Spread Spectrum Communication System[J].Journal of China Ordnance,2007,3(3):215-220. |
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| Authors: | YANG Xiao-ming TAO Ran |
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| Affiliation: | Department of Electronic Engineering, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | An algorithm to detect and recognize interferences embedded in a direct sequence spread spectrum (DSSS) communication system is proposed. Based on Welch's averaging modified periodogram method and fractional Fourier transformation (FRFT), the paper proposes a decision tree-based algorithm in which a set of decision criteria for identifying different types of interferences is developed. Simulation results demonstrate that the proposed algorithm provides a high recognition rate and is robust for various ISR and SNR. |
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| Keywords: | information processing interference recognition spectrum estimation FRFT Communication System Spread Spectrum Method Recognition Interference Simulation results high recognition rate robust paper decision criteria different FRFT averaging modified periodogram method fractional |
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