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ppjc
- 认知无线电中的频谱感知技术 包含单节点的检测和多点的写作检测-Spectrum-aware Detection of single-node Collaborative detection
CHAPTER5_Spectrum_SensingSpectrum_Sensing
- 频谱感知技术是认知无线电技术里最关键和最具挑战性的技术-Spectrum sensing is a key technology in Cognitive Radio (CR). It provides the CR system with available vacant channels list by sensing the spectrum environment over a wide frequency band. However, local sensing by
detection
- 认知无线电中频谱感知技术的两种频谱检测方法-Two kinds of spectrum detection methods of spectrum sensing technology in cognitive radio
SpectrumSensingandReconstructionfor
- 认知无线电中的频谱感知技术 用labview来实现 感知环境的测试-Spectrum sensing of cognitive radio technology to achieve the perception of the environment with labview test
Spectrum-Sensing-in-CR
- 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