基于非对称星座的多电平编码调制

Proceedings. 2001 IEEE International Symposium on Information Theory (IEEE Cat. No.01CH37252) Pub Date : 2001-06-24 DOI:10.1109/ISIT.2001.936144

H. Sawaya, J. Boutros

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引用次数: 3

摘要

本文研究了基于ASK和PSK星座的AWGN信道多电平编码调制(MLC)。在多级解码(MSD)下，当对非对称星座进行分组时，我们证明了在每个级别上使用具有相同信令速率的组成码可以获得调制容量。对于有限码长N，通过计算Gallager编码指数解析得出性能。

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Multilevel coded modulations based on asymmetric constellations

This paper deals with multilevel coded modulations (MLC) based on ASK and PSK constellations for the AWGN channel. Under multistage decoding (MSD) and when block partitioning is applied to an asymmetric constellation, we show that the capacity of the modulation can be attained using constituent codes with equal signalling rates at each level. For finite code length N, performance is derived analytically by evaluating Gallager's coding exponent.

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Proceedings. 2001 IEEE International Symposium on Information Theory (IEEE Cat. No.01CH37252)

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