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.
Cite
@article{arxiv.2409.20041,
title = {Multidimensional Voronoi Constellations vs. Short Blocklength Probabilistic Shaping: A Comparison for Multilevel Coding Approach},
author = {Yajie Sheng and Bin Chen and Yi Lei and Jingxin Deng and Jiwei Xu and Mengfan Fu and Qunbi Zhuge and Shen Li},
journal= {arXiv preprint arXiv:2409.20041},
year = {2024}
}