二用户退化高斯广播信道中的Tomlinson-Harashima预编码

2008 International Symposium on Information Theory and Its Applications Pub Date : 2008-12-01 DOI:10.1109/ISITA.2008.4895632

C. Huppert, M. Bossert

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引用次数: 0

摘要

Tomlinson-Harashima预编码(THP)可用于退化高斯广播信道，以在接收端获得低复杂度的广播增益。在这项工作中，我们推导了用QAM星座作为信号字母的该技术的可实现速率。我们比较了THP和叠加调制的性能。

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On Tomlinson-Harashima precoding in 2-user degraded Gaussian broadcast channels

Tomlinson-Harashima precoding (THP) can be used in degraded Gaussian broadcast channels in order to exploit the broadcast gain with low required complexity at the receivers. In this work we derive the achievable rates for this technique with QAM constellations as signaling alphabets. We compare the performance of THP with superposition modulation.

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2008 International Symposium on Information Theory and Its Applications

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