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频谱感知是认知无线电的一个重要前提,而能量检测法则是比较成熟的频谱感知算法。它可以有效地凡发现频谱孔,使得认知无线电与周围通信环境相适应-Spectrum sensing cognitive radio is an important prerequisite, and the law of energy detection of the spectrum is a more mature perception algorithm. Where it can be found in the sp
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基于能量检测的频谱感知.由于实际信道中的多径和阴影效应,单个认知用户频谱感知的性能受到影响,因此需要靠不同用户间的协同频谱感知来对抗多径和阴影效应。本设计要求在文中采用一种协作机制,即两用户进行协作频谱感知,提高主用户的检测率,减少检测时间,并且得到捷变增益。要求给出仿真结果。-spectrum sensing in cognitive radio based on energy detection.As the channels in diameter and shadow, not a si
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最大化频谱接入机会的能量检测方法的研究---认知无线电-Access to opportunities to maximize the energy spectrum detection of cognitive radio---
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最大化频谱接入机会的能量检测方法的研究-----认知无线电-Access to opportunities to maximize the energy spectrum detection of cognitive radio-----
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最大化频谱接入机会的能量检测方法的研究-----认知无线电-Access to opportunities to maximize the energy spectrum detection of cognitive radio-----
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谱感知技术是认知无线电(CR)的关键技术,频谱检测的可靠度和精度决定了是否会影响主用户的正常通信及认知用户能否有效利用频谱.在频谱检测的众多方法中,能量检测法是一种常用的方法,但能量检测器的门限很容易受到噪声功率变化的影响,影响主用户的正常通信.笔者提出一种自适应背景噪声的门限设置方法,通过引入门限评价指数作为衡量频谱感知效率和频谱资源利用率的度量指标,使得认知用户在不同的应用环境中能自适应地设置频谱感知门限,达到更充分利用频谱资源和更有效传送信号的目的.仿真证明,该方法确定的门限能够随着噪声条
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谱感知是认知无线网络中的一个重要功能,是实现其他功能的基础。研究了新型的基于特征值的感知算法,充分利用随机矩阵的渐近谱分布特性和特征值的收敛特性来设置判决门限,提高感知性能。理论分析和仿真结果均表明,新型算法性能明显优于典型的能量检测算法,克服了能量检测算法的噪声不确定性问题-Spectrum Sensing is an important function in the cognitive radio networks.A new eigenvalue-based detection sche
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这是一个能量检测法根据陈曦西安电子科技大学的硕士论文认知无线电中的频谱感知算法研究所得,公式也按照里面的编写
-This is an energy detection method according to Chen Xi, Xi' an University of Electronic Science and Technology Master' s thesis in cognitive radio spectrum sensing algorithm research, f
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matlab认知无线电 能量检测 在不同采样点数的情况下,信噪比和检测概率的变化趋势比较。-Matlab Cognitive Radio, energy detection, in the different sampling numbers, the SNR and the probability of detection varing.
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关于认知无线电频谱检测中能量检测的程序,并绘制虚警概率和检测概率之间的关系。-On energy detection in cognitive radio spectrum detection method, the relationship between the probability of false alarm and detection probability.
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Compute a novel energy detection algorithm based on the algorithm of the paper "An enhanced energy detection algorithm in cognitive radio"
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认知无线电中的频谱感知中的能量算法,实现了单门限的能量检测算法-Energy algorithm for spectrum sensing in cognitive radio in energy detection algorithm, the single threshold
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毕业论文:认知无线电中的能量检测,自适应检测算法,matlab代码-Graduation thesis: energy detection in cognitive radio, adaptive detection algorithm, matlab code
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认知无线电网络中衰弱信道下的频谱感知算法,基于能量检测。-In cognitive radio networks, spectrun sensing algorithms under shading channels based on energy detection
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认知无线中的能量检测,仿真了高斯信道和瑞利信道的检测概率、虚警概率与判决门限的关系曲线以及两者之间的关系曲线-The detection probability, false alarm probability and the decision threshold of the Gauss channel and the Rayleigh channel are simulated by the energy detection in cognitive radio.
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认知无线电系统中能量检测算法分析,这个是单门限检测算法的代码-Cognitive radio systems in the energy detection algorithm analysis, this is a single threshold detection algorithm code
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该matlab程序源码主要实现单个认知用户频谱感知敏捷性的最优化,其基本的感知环节采用能量检测法;在恒漏检准则下,感知敏捷性可以用平均的感知时间来衡量;达到平均感知时间的最小化,也就实现了感知敏捷性的最优化。-The matlab main program source code to realize the optimization of single user spectrum sensing agility, its basic perceived links using energy d
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energy detection in cognitive radio
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This is a code for cooperative sensing in cognitive radio. it contains several codes inside for parameters such as cooperative sensing, boosted energy detection, comprehensive sensing method, and a comparative code. This code is designed for people t
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chapter 21 in book , Shaping the Future of ICT: Trends in Information Technology, Communications Engineering, and ManagementPublisher: CRC Press Taylor & Francis, USA. "Efficient Two-Stage Sensing Method for Improving Energy Consumption in C
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