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1)  spectrum sensing
频谱感知
1.
Constraints of allowable power density for cognitive radio network based on spectrum sensing information;
基于频谱感知信息的认知无线电网络功率密度约束问题
2.
Cooperative spectrum sensing algorithm based on dempster-shafer theory in cognitive radio networks;
基于证据理论的协同频谱感知算法
3.
Cooperative MIMO spectrum sensing based on random matrix theory;
基于RMT的协作MIMO频谱感知
2)  cooperative spectrum sensing
协作频谱感知
1.
Two novel cooperative spectrum sensing schemes based on AF(Amplify and Forward) and DF(Decode and Forward) protocols were proposed to achieve spatial diversity gains in cognitive radio networks,which were referred to as AF-CSS(AF-based Cooperative Spectrum Sensing) and DF-CSS(DF-based Cooperative Spectrum Sensing) respectively.
由此,提出了2种基于放大重传和解码重传的协作频谱感知方案,并且在瑞利衰落环境下对所提方案的检测概率性能进行了理论分析,给出了非协作感知和协作感知的检测概率的解析表达式。
2.
In this paper, the definition, research situation of cognitive radio and the important function of cooperative spectrum sensing are introduced.
该算法基于最优功率分配和协作分集,根据信道条件利用奇异值分解在每根天线上进行功率注水,并考虑多天线情况下两用户网络协作频谱感知授权用户的判决检测过程,利用基于指数衰减的路径损耗模型,分析多天线感知网络的各态历经容量和检测授权用户的概率及时间。
3.
Spectrum sensing is a key technology in Cognitive Radio(CR) and cooperative spectrum sensing is derived due to the effects of channel fading.
协作频谱感知技术是认知无线电中的重要技术。
3)  cooperative spectrum sensing
合作频谱感知
1.
This paper presents cooperative spectrum sensing in order to optimize the sensing performance.
本文提出合作频谱感知以优化感知性能。
2.
Cooperative Spectrum sensing is a key technology in cognitive radio.
论文主要介绍了2个次级用户合作频谱感知之间的DF协议,并在检测概率与中断率上与AF协议进行比较。
4)  cognitive spectrum-sharing
感知频谱共享
5)  Spectrum Sensing
无线频谱感知
1.
On Spectrum Sensing in Cognitive Radio
认知无线电中无线频谱感知技术的研究
6)  multi-channel spectrum sensing
多信道频谱感知
1.
Based on Bayesian Inferring,this paper introduces a novel multi-channel spectrum sensing method,which uses only the partial channel information sensed by collaborating cognitive users to retrieve all the channel states.
基于贝叶斯推理的多信道频谱感知方法和思想,文章通过多个认知用户随机地选择部分信道进行协作感知并利用特殊设计的贝叶斯推理法则来快速有效地获取所有信道的活动状态。
补充资料:倍频谱带
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性质:又称倍频谱带。红外光谱分析中的一种谱带;指某个吸收频率为基谐振动频率的2倍或3倍时的吸收带。它的产生是由于两个原子核间的库仑排斥力使振动频率发生了异常变化的结果。泛频带的吸收强度往往很低,因此这个吸收带有时测不出来。

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