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首页> 外文期刊>IEEE Transactions on Communications >Interference rejection for frequency-hopping communication systems using a constant power algorithm
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Interference rejection for frequency-hopping communication systems using a constant power algorithm

机译：使用恒定功率算法的跳频通信系统的干扰抑制

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摘要

Partial-band interferences are known to have a deleterious effect on the receiver performance in frequency-hopping communication systems. We consider the rejection of such interferences using an array of sensors. A simple yet effective method is proposed based on a constant power algorithm. The principle behind this method is that partial-band interferences contribute to power variations in the received signal, hence, the idea to constrain the output power of the array to be constant in order to reject interferences. It is shown that the algorithm converges in a reasonably low number of hops. Additionally, it achieves a nearly optimal signal-to-interference-plus-noise ratio without requiring any information about the location of the desired user. Finally, its robustness to synchronization errors is illustrated via numerical simulations.
机译：已知部分频带干扰会对跳频通信系统中的接收机性能产生有害影响。我们考虑使用一系列传感器来消除这种干扰。提出了一种基于恒功率算法的简单有效的方法。该方法背后的原理是，部分频带干扰会导致接收信号的功率变化，因此，为了抑制干扰，将阵列的输出功率限制为恒定的想法。结果表明，该算法收敛在一个相当低的跳数中。此外，它不需要任何有关所需用户位置的信息，即可实现近乎最佳的信号干扰加噪声比。最后，通过数值仿真说明了其对同步误差的鲁棒性。

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