GSM频段主用户频谱占用情况的测量和建模研究

doi:10.3969/j.issn.1000-0801.2011.06.018

Abstract

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 simulation in cognitive radio.

Key words: GSM900 band, primary user, arrival time, cognitive radio, energy detection

Yuanyuan Jia,Zhenhui Tan,Qing Huang,Zhiyan Zhou. Study on the Measurement，Analysis and Modeling of Primary User Spectrum Occupation in GSM Band[J]. Telecommunications Science, 2011, 27(6): 79-83.

型号	类别	频率范围
3148	对数周期	200 MHz～2 GHz

起始频率（MHz）	终止频率（MHz）	频谱仪
起始频率（MHz）	终止频率（MHz）	分辨率带宽（kHz）	视频带宽（kHz）	衰减（dB）	参考电平（dBm）	模式	采样点数
850	970	120	300	10	-40	频率	8 192

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Study on the Measurement，Analysis and Modeling of Primary User Spectrum Occupation in GSM Band

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