Multidimensional Voronoi Constellations vs. Short Blocklength Probabilistic Shaping: A Comparison for Multilevel Coding Approach

Multidimensional Voronoi Constellations vs. Short Blocklength Probabilistic Shaping: A Comparison for Multilevel Coding Approach

Performance of concatenated multilevel coding with probabilistic shaping (PS) and Voronoi constellations (VCs) is analysed over AWGN channel. Numerical results show that VCs provide up to 1.3 dB SNR gains over PS-QAM with CCDM blocklength of 200.

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Veröffentlicht in:arXiv.org 2024-09
Hauptverfasser: Sheng, Yajie, Chen, Bin, Yi, Lei, Deng, Jingxin, Xu, Jiwei, Fu, Mengfan, Zhuge, Qunbi, Shen, Li
Format: Artikel
Sprache:eng
Schlagworte:
Coding
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Zusammenfassung:Performance of concatenated multilevel coding with probabilistic shaping (PS) and Voronoi constellations (VCs) is analysed over AWGN channel. Numerical results show that VCs provide up to 1.3 dB SNR gains over PS-QAM with CCDM blocklength of 200.
ISSN:2331-8422