Individual vs cooperative spectrum sensing for Cognitive Radio Networks

Pulkit Sharma, V. Abrol
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引用次数: 9

Abstract

Cognitive Radio Networks provide a solution to the spectrum scarcity in wireless communication. It works on principle of dynamic spectrum management, which enables the secondary user to use the licensed spectrum of primary user opportunistically. To implement it we have to detect the absence of primary signal technically called detecting a spectrum hole. In this paper performance of both individual and cooperative spectrum sensing are evaluated under various parameters (like SNR, sensing time, number of users). Simulation results shows that cooperative spectrum sensing performs better than individual spectrum sensing.
认知无线电网络的个体与合作频谱感知
认知无线网络为解决无线通信中频谱短缺的问题提供了一种解决方案。它的工作原理是动态频谱管理,使从用户能够机会地使用主用户的许可频谱。为了实现它,我们必须检测主信号的缺失,技术上称为检测频谱洞。本文在不同的参数(如信噪比、感知时间、用户数)下,对个体频谱感知和协作频谱感知的性能进行了评价。仿真结果表明,协同频谱感知优于单个频谱感知。
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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