一种用于认知无线电频谱感知的简单可调谐双二次数字带通滤波器设计

2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON) Pub Date : 2020-06-01 DOI:10.1109/ecti-con49241.2020.9158219

Pemmavit Sutthikarn, S. Chivapreecha, A. Trirat, T. Jongsataporn

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引用次数: 2

摘要

本文提出了一种基于双二次滤波器的可调谐数字带通滤波器的设计与实现，用于认知无线电的频谱感知。给出了双二次型带通数字滤波器结构，并推导了可调谐方法。所提出的可调谐双二次数字带通滤波器的带宽和中心频率可以通过参数调谐来实现。在每个频段，认知无线电用户(CRU)将使用频谱感知方法进行能量检测，以识别主用户(PU)的频谱。如果该频段内没有任何PU，则该频段的状态设置为频谱孔。最终，CRU可以利用这个渠道。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Simple Tunable Biquadratic Digital Bandpass Filter Design for Spectrum Sensing in Cognitive Radio

This article presents a design and realization of tunable digital bandpass filter based on using biquadratic filter for spectrum sensing in cognitive radio. The biquadratic bandpass digital filter structure has shown and after that the tunable approach will be derived. The bandwidth and center frequency of the proposed tunable biquadratic digital bandpass filter can be tuned by tuning parameters. In each band, energy detection by spectrum sensing method will be used by cognitive radio users (CRU) for recognize the frequency spectrum of primary user (PU). If there are not having any PU in that band, the status of band will set to spectrum hole. Eventually, CRU can utilize this channel.

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来源期刊

2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)

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