Study On Optical Communications, Volume. 50, Issue 1, 23010301(2024)
Low Complexity Soft Information Demodulation Technology for High-Speed Optical Communication
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Fig. 1. The 8QAM mapping relationship defined by OpenROADM and OpenZRplus
Fig. 5. Performance comparison between 8QAM simplified algorithm and max-log-map algorithm
Fig. 6. Comparison of 64QAM MB distribution and non MB distribution constellations
Fig. 7. Performance comparison between 64QAM PS non-MB distribution and MB distribution
Fig. 9. Performance comparison between 16QAM PS LLR simplified algorithm and max-log-map algorithm for MB distribution
Fig. 10. Performance comparison between 64QAM PS LLR simplified algorithm and max-log-map algorithm for MB distribution
Table 1. Comparison of the computational complexity between max-log-map and simplified algorithms
View tableView in ArticleTable 1. Comparison of the computational complexity between max-log-map and simplified algorithms
调制格式 max-log-map算法乘法次数 max-log-map算法加减法次数 简化算法乘法次数 简化算法加减法次数 8QAM 48 75 12 16 16QAM PS MB 192 260 2 4 16QAM PS non-MB 192 260 1 4 64QAM PS MB 1 152 1 542 3 6 64QAM PS non-MB 1 152 1 542 3 12
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Jian HUANG, Qixiong ZHU, Dengchao CHEN. Low Complexity Soft Information Demodulation Technology for High-Speed Optical Communication[J]. Study On Optical Communications, 2024, 50(1): 23010301
Paper Information
Category: Research Articles
Received: Jul. 10, 2023
Accepted: --
Published Online: Apr. 9, 2024
The Author Email: HUANG Jian (huangjian@fiberhome.com)
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