TR2016-121

Hardware-efficient Precise and Flexible Soft-demapping for Multi-Dimensional Complementary APSK Signals


    •  Yoshida, T., Matsuda, K., Kojima, K., Miura, H., Dohi, K., Pajovic, M., Koike-Akino, T., Millar, D.S., Parsons, K., Sugihara, T., "Hardware-efficient Precise and Flexible Soft-demapping for Multi-Dimensional Complementary APSK Signals", European Conference on Optical Communication (ECOC), September 2016.
      BibTeX TR2016-121 PDF
      • @inproceedings{Yoshida2016sep,
      • author = {Yoshida, Tsuyoshi and Matsuda, Keisuke and Kojima, Keisuke and Miura, Hiroshi and Dohi, Keisuke and Pajovic, Milutin and Koike-Akino, Toshiaki and Millar, David S. and Parsons, Kieran and Sugihara, Takashi},
      • title = {Hardware-efficient Precise and Flexible Soft-demapping for Multi-Dimensional Complementary APSK Signals},
      • booktitle = {European Conference on Optical Communication (ECOC)},
      • year = 2016,
      • month = sep,
      • url = {https://www.merl.com/publications/TR2016-121}
      • }
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  • Research Areas:

    Communications, Signal Processing

Abstract:

We propose the combination of log-likelihood ratio (LLR) table and min-sum algorithm-based LLR updates for simple, precise, and flexible soft-demapping of multi-dimensional complementary APSK signals. Transmission experiment verifies the demapping loss is limited to 0.15 dB in Q-factor.

 

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