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Träfflista för sökning "WFRF:(Karlsson Magnus 1967 ) ;pers:(Irukulapati Naga VishnuKanth 1987)"

Sökning: WFRF:(Karlsson Magnus 1967 ) > Irukulapati Naga VishnuKanth 1987

  • Resultat 1-3 av 3
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1.
  • Ahmad, Tauseef, 1986, et al. (författare)
  • Methodology for Power-Aware Coherent Receiver Design
  • 2013
  • Ingår i: Optics InfoBase Conference Papers. - 2162-2701. ; , s. SPT4D.4-
  • Konferensbidrag (refereegranskat)abstract
    • We describe a methodology to design and evaluate DSP hardware for a coherent receiver. Important parameters that can be assessed include DSP power consumption and chip area.
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2.
  • Beygi, Lotfollah, 1977, et al. (författare)
  • On nonlinearly-induced noise in single-channel optical links with digital backpropagation
  • 2013
  • Ingår i: Optics Express. - 1094-4087 .- 1094-4087. ; 21:22, s. 26376-26386
  • Tidskriftsartikel (refereegranskat)abstract
    • In this paper, we investigate the performance limits of electronic chromatic dispersion compensation (EDC) and digital backpropagation (DBP) for a single-channel non-dispersion-managed fiber-optical link. A known analytical method to derive the performance of the system with EDC is extended to derive a first-order approximation for the performance of the system with DBP. In contrast to the cubic growth of the variance of the nonlinear noise-like interference, often called nonlinear noise, with input power for EDC, a quadratic growth is observed with DBP using this approximation. Finally, we provide numerical results to verify the accuracy of the proposed approach and compare it with existing analytical models.
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3.
  • Sen, Debarati, 1975, et al. (författare)
  • MCRB for Timing and Phase Offset for Low-Rate Optical Communication with Self-Phase Modulation
  • 2013
  • Ingår i: IEEE Communications Letters. - : Institute of Electrical and Electronics Engineers (IEEE). - 1558-2558 .- 1089-7798. ; 17:5, s. 1004-1007
  • Tidskriftsartikel (refereegranskat)abstract
    • We derive the modified Cramer-Rao bound (MCRB) for symbol timing and phase offset estimation in the presence of nonlinear self-phase modulation (SPM) in a dispersion compensated long-haul optical fiber link with coherent detection at data rates below 10 Gigabaud. In the presence of a low-pass filter at the receiver front-end, we find that SPM degrades the MCRB. Moreover, depending on the pulse shape, SPM induces underdamped oscillation on the bounds.
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  • Resultat 1-3 av 3

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