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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 33,
  • Issue 5,
  • pp. 1109-1116
  • (2015)

Spatially Coupled Soft-Decision Error Correction for Future Lightwave Systems

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In this paper, we discuss and present some recent advances in the field of error correcting codes and discuss their applicability for lightwave transmission systems. We introduce several classes of spatially coupled codes and discuss several design options for spatially coupled codes and show how rapidly decodable codes can be constructed by careful selection of the degree distribution. We confirm the good performance of some spatially coupled codes at very low bit error rates using an FPGA-based simulation. Finally, we compare all proposed schemes and show how spatially coupled Low-Density Parity-Check (LDPC) codes outperform conventional LDPC and polar codes with similar receiver complexity and memory requirements.

© 2014 IEEE

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