基于非重叠Welch方法的SDR协同频谱感知

2021 4th International Conference on Advanced Communication Technologies and Networking (CommNet) Pub Date : 2021-12-03 DOI:10.1109/CommNet52204.2021.9641943

J. J. Arnez, Luiz da Silva Mello, R. S. Souza

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引用次数: 0

摘要

这项工作的目的是使用Matlab仿真程序和Python编程语言评估认知无线电(CR)方案的性能，以呈现在使用软件定义无线电(SDR)实现的试验台中进行的测量结果，用于协作频谱感知(CSS)场景。该频谱感知方法考虑了Welch频谱感知方法以及软件定义无线电(SDR)通用软件无线电外设(USRP)设备的参数和工作特性。这种改进的Welch方法提供了更精确的频谱传感。此外，还实现了无重叠Welch和驻留延迟数字信号处理模块。

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SDR Cooperative Spectrum Sensing using the Non-Overlapping Welch Method

The purpose of this work is to assess the performance of a Cognitive Radio (CR) scheme using both Matlab simulation program and Python programming language to present the results of measurements performed in a testbed implemented using Software Defined Radio (SDR) for a Cooperative Spectrum Sensing (CSS) scenario. The spectrum sensing method considers the Welch spectrum sensing approach as well as the parameters and operational characteristics of the software-defined radio (SDR) Universal Software Radio Peripheral (USRP) device. This modified Welch method provides more accurate spectrum sensing. In addition, the Non-Overlapping Welch and the dwell delay digital signal processing blocks were implemented in the testbed.

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2021 4th International Conference on Advanced Communication Technologies and Networking (CommNet)

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