• DocumentCode
    562066
  • Title

    Spectrally efficient four-dimensional modulation

  • Author

    Karlsson, Magnus ; Agrell, Erik

  • Author_Institution
    Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Göteborg, Sweden
  • fYear
    2012
  • fDate
    4-8 March 2012
  • Firstpage
    1
  • Lastpage
    3
  • Abstract
    We quantify the performance of regular four-dimensional constellations with high spectral efficiency, and compare the sensitivity gain relative to rectangular QAM. Gains up to 1.51 and 1.97 dB over the corresponding QAM formats can be achieved.
  • Keywords
    optical communication; optical modulation; quadrature amplitude modulation; high spectral efficiency; rectangular QAM; regular four-dimensional constellations; sensitivity gain; spectrally efficient four-dimensional modulation; Constellation diagram; Gain; Lattices; Optical sensors; Quadrature amplitude modulation; Sensitivity;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
  • Conference_Location
    Los Angeles, CA
  • ISSN
    pending
  • Print_ISBN
    978-1-4673-0262-3
  • Type

    conf

  • Filename
    6192053