一组认知无线电最佳感知持续时间的封闭近似公式

2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP) Pub Date : 2014-12-22 DOI:10.1109/WCSP.2014.6992136

Bin Gu, Tiecheng Song, Dafei Sun, Lei Zhang, Ming Wu, Jie Guo

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引用次数: 0

摘要

在认知无线电系统中，适当配置感知持续时间可以实现数据吞吐量的最大化。然而，由于计算时间的紧张，在移动环境中，没有现成的直接公式可用。推导了不同信噪比下认知无线电最优感知持续时间的近似封闭公式。除在一定信噪比范围内误差仍小于5%外，近似误差非常小。

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A set of closed form approximate formulae for optimal sensing duration of cognitive radio

In a cognitive radio system, proper configuration of sensing duration enables maximization of the data throughput. However, no existing straightforward formula is available, which is desirable in the mobile context due to tightness of computation time. A set of closed-form approximate formulae of optimal sensing duration for cognitive radio are derived under different signal to noise ratio (SNR). The approximation errors are perfectly small except within a certain SNR range, where the error is still less than 5%.

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2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP)

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