Asymmetrical Filtering Impairments Mitigation for Digital- Subcarrier-Multiplexing Transmissions Enabled by Multiplication-free K-State Reserved Complex MLSE
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arXiv
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| Main Authors: | , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866913967610265600 |
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| author | Jiang, Hexun Wang, Zhuo Li, Chengbo Zhou, Weiqin Wei, Shuai Tu, Yicong Zhang, Heng Yu, Wenjing Wang, Yongben Chen, Yong Zhao, Ye Hu, Da Shi, Lei |
| author_facet | Jiang, Hexun Wang, Zhuo Li, Chengbo Zhou, Weiqin Wei, Shuai Tu, Yicong Zhang, Heng Yu, Wenjing Wang, Yongben Chen, Yong Zhao, Ye Hu, Da Shi, Lei |
| contents | We propose a multiplication-free K-state reserved complex maximum-likelihood-sequence-estimation (MLSE) to mitigate asymmetrical filtering impairments in digital-subcarrier-multiplexing transmissions. A required optical-to-noise ratio of 1.63dB over the conventional real MLSE is obtained after transmitting 90 GBaud DSCM DP-16QAM signal over 14 WSSs without multiplications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_23351 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Asymmetrical Filtering Impairments Mitigation for Digital- Subcarrier-Multiplexing Transmissions Enabled by Multiplication-free K-State Reserved Complex MLSE Jiang, Hexun Wang, Zhuo Li, Chengbo Zhou, Weiqin Wei, Shuai Tu, Yicong Zhang, Heng Yu, Wenjing Wang, Yongben Chen, Yong Zhao, Ye Hu, Da Shi, Lei Optics We propose a multiplication-free K-state reserved complex maximum-likelihood-sequence-estimation (MLSE) to mitigate asymmetrical filtering impairments in digital-subcarrier-multiplexing transmissions. A required optical-to-noise ratio of 1.63dB over the conventional real MLSE is obtained after transmitting 90 GBaud DSCM DP-16QAM signal over 14 WSSs without multiplications. |
| title | Asymmetrical Filtering Impairments Mitigation for Digital- Subcarrier-Multiplexing Transmissions Enabled by Multiplication-free K-State Reserved Complex MLSE |
| topic | Optics |
| url | https://arxiv.org/abs/2507.23351 |