卫星信道信号星座优化研究

2007 International Workshop on Satellite and Space Communications Pub Date : 2007-12-26 DOI:10.1109/IWSSC.2007.4409383

E. A. Candreva, G. Corazza, A. Vanelli-Coralli

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引用次数: 5

摘要

在受非线性放大和加性噪声影响的信道上，采用梯度法获得误差概率最小的信号星座。结果表明，当放大器驱动在接近饱和时，相移键控具有优势;当放大器工作在其线性区域时，幅相键控具有更好的性能。

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On the Optimization of Signal Constellations for Satellite Channels

A gradient method is used to obtain the signal constellation that yields to the minimum error probability over a channel affected by non-linear amplification and additive noise. The results show the dominance of phase shift keying when the amplifier is driven near saturation, and the better performance given by amplitude-phase shift keying if the amplifier is operated in its linear region.

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2007 International Workshop on Satellite and Space Communications

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