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基于灰色预测理论的频谱空洞特性分析研究 被引量:4

Research on spectrum hole in characteristic analysis based on gray-predictive-model
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摘要 为了在认知无线电系统中提高频谱的利用率以及系统的性能,主要讨论了认知无线电技术中的频谱特性分析问题,基于IEEE802.22 WRAN规定的TV频段,通过信道建模,使用灰色理论的关联度理论分析频谱的特性,并提出了频谱可用性的概念。通过仿真验证了引入灰色预测理论的频谱特性分析能够显著提高系统性能。 In order to improve spectrum usage and prediction performance in cognitive radio system (CRS), by simulation the TV bands modeling based on the IEEE802.22 WRAN specified, using the theory of gray-model of spectral correlation characteristics, and this paper proposed the concept of spectrum availability. The simulation results indicate that gray-model prediction theory can significantly improve prediction performance.
出处 《信息技术》 2012年第9期28-32,共5页 Information Technology
基金 重庆教委科学技术研究项目(KJ090502和KJ100517) 重庆邮电大学青年教师基金(A2008-28)
关键词 认知无线电 灰色理论 预测 频谱特性分析 cognitive radio gray-model prediction spectrum characteristic analysis
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参考文献8

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