Polarization-multiplexed nonbinary LDPC-coded modulation with optimal signal constellations

M. Arabaci, I. Djordjevic
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Abstract

We propose using nonbinary LDPC-coded modulation with optimal constellations obtained via iterative polar quantization (IPQ). The proposed scheme significantly outperforms its prior-art bit-interleaved LDPC-coded modulation counterpart, e.g., by 2.78 dB for the 128-point IPQ constellation.
具有最优信号星座的偏振复用非二进制ldpc编码调制
我们提出使用非二进制ldpc编码调制,通过迭代极量化(IPQ)获得最优星座。所提出的方案显著优于现有技术的位交错ldpc编码调制对偶,例如,对于128点IPQ星座,其性能提高了2.78 dB。
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