| GSM频段主用户频谱占用情况的测量和建模研究 |
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| 引用本文： | 贾媛媛,谈振辉,黄清,周志艳.GSM频段主用户频谱占用情况的测量和建模研究[J].电信科学,2011,27(6):79-83. |
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| 作者姓名： | 贾媛媛 谈振辉 黄清 周志艳 |
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| 作者单位： | 北京交通大学宽带无线移动通信研究所; |
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| 基金项目： | 国家“863”计划基金资助项目(No.2009AA011805); 中央高校基本科研业务费专项资金资助项目(No.2011YJS012) |
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| 摘 要： | 为获得GSM900频段主用户频谱的占用情况,利用频谱分析仪对北京部分地区850~970 MHz频段频谱进行了定点测量。通过MATLAB软件对测量数据进行分析和建模,得出GSM900频段主用户的频谱占用情况及其到达模型。研究发现,此段频谱的平均占用度只有2.33%,主用户到达时间间隔服从负指数分布的修正形式,为认知无线电用户选择频谱提供了参考,并为链路级仿真中主用户占用模式的确立提供了理论支持。
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| 关 键 词： | GSM900频段 主用户 到达时间 认知无线电 能量检测 |
Study on the Measurement,Analysis and Modeling of Primary User Spectrum Occupation in GSM Band |
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| Jia Yuanyuan,Tan Zhenhui,Huang Qing,Zhou Zhiyan.Study on the Measurement,Analysis and Modeling of Primary User Spectrum Occupation in GSM Band[J].Telecommunications Science,2011,27(6):79-83. |
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| Authors: | Jia Yuanyuan Tan Zhenhui Huang Qing Zhou Zhiyan |
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| Institution: | Jia Yuanyuan,Tan Zhenhui,Huang Qing,Zhou Zhiyan(Institute of Broadband Wireless Mobile Communication,Beijing Jiaotong University,Beijing 100044,China) |
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| Abstract: | In order to obtain the spectrum occupation in GSM900 band,the spectrum band ranging from 850 MHz to 970 MHz is measured by a spectrum analyzer.The data are analyzed and modeled using MATLAB.It is verified that the average spectrum occupation in this band is only 2.33% and the arrival time of primary user can be modeled as the modified form of the exponential distribution.The result can be used as a reference for secondary user to select the licensed bands,as well as theoretical support for link-level simula... |
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| Keywords: | GSM900 band primary user arrival time cognitive radio energy detection |
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