| 多分辨率频谱感知算法性能的参数化评估方法 |
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| 引用本文： | 孙坤,王萍,李颖哲,勾天杭. 多分辨率频谱感知算法性能的参数化评估方法[J]. 系统仿真学报, 2011, 23(11): 2529-2534 |
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| 作者姓名： | 孙坤 王萍 李颖哲 勾天杭 |
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| 作者单位： | 1. 中国科学院上海微系统与信息技术研究所,上海200050／中国科学院研究生院,北京100049
2. 中国科学院上海微系统与信息技术研究所,上海,200050 |
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| 基金项目： | 国家863项目(2009AA011502) |
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| 摘 要： | 多分辨率频谱感知算法是一种利用小波变换时频尺度可变特性，对宽带通信系统进行快速准确地感知的频谱感知算法。基于多分辨率频谱感知算法的特性，提出了一套频谱感知性能参数化评估方法，构建了基于OFDM信号的多分辨率频谱感知算法仿真平台。分别从小波函数基的选取、调制方式、扫描速率以及实际IQ失配问题的影响等角度，对OFDM宽带信号的感知性能进行了系统的仿真评估和分析，获得感知系统在不同参数设置时的检测概率和误检概率评估结果’为认知无线电系统的进一步设计实现与性能评估提供了重要依据。
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| 关 键 词： | 频谱感知 认知无线电 参数化评估 仿真分析 多分辨率 |
Parameterized Performance Evaluation Method for Multi-resolution Spectrum Sensing(MRSS) Algorithm |
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| SUN Kun,,WANG Ping,LI Ying-zhe,GOU Tian-hang. Parameterized Performance Evaluation Method for Multi-resolution Spectrum Sensing(MRSS) Algorithm[J]. Journal of System Simulation, 2011, 23(11): 2529-2534 |
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| Authors: | SUN Kun WANG Ping LI Ying-zhe GOU Tian-hang |
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| Affiliation: | SUN Kun1,2,WANG Ping1,LI Ying-zhe1,GOU Tian-hang1,2(1.Shanghai Institute of Microsystem and Information Technology,CAS,Shanghai 200050,China,2.Graduate University of Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | Multi-Resolution Spectrum Sensing(MRSS) algorithm is a new algorithm for Cognitive Radio.It can take advantage of time-frequency variable-scale features of wavelet transform,to realize rapid and accurate spectrum sensing for broadband communications systems.Based on the characteristics of MRSS algorithm,a parametric evaluation method for its performance was proposed and OFDM based MRSS algorithm simulation platform was established.Simulation analysis was used to evaluate and analyze the performance of MRSS ... |
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| Keywords: | spectrum sensing cognitive radios parameterized evaluation simulation analysis multi-resolution |
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