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基于信道的历史信息来预测不同信道的未来可用时间可以帮助CR选择一个最佳信道进行信息传递。不同的预测准则应用到周期或是随机的开关模式中。一个CR可以学习以往不同信道的模式。我们提出一个简单的分类和学习方法去检测模式的类型和收集需要的信息用于智能信道的选择。MATLAB仿真结果显示提出的方案在随机信道的随机和周期模式中都有优越的表现。随着时间的变化,新到的切换次数减少到55 ,并且延迟时间也相应减少,而吞吐量却在提高。-Prediction of future availability times
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介绍关于认知无线电机会频谱接入中,基于POMDP的实现认知用户吞吐量最大的一种算法,主要是在自组网环境中。-Introduction of cognitive radio spectrum access opportunities, the POMDP-based implementation of a cognitive user maximum throughput algorithm, mainly in the ad hoc network environment.
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Cognitive radio reading documents for throughput calculation and dynamic spectrum access.
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This paper illustrates the results of the throughput of Secondary User (SU) in cognitive radios under
cooperative scenario with the use of evolutionary algorithms in the presence of additive white Gaussian (AWGN)
noise. In this work, the performa
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Cognitive radio (CR) is of special significance to improve spectrum utilization, and spectrum allocation is one of the key technologies in the realization of cognitive radio. The spectrum allocation problem considered in this paper aims to maximize
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