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Träfflista för sökning "L773:0733 8724 ;pers:(Sköld Mats 1977)"

Sökning: L773:0733 8724 > Sköld Mats 1977

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1.
  • Alic, N., et al. (författare)
  • Joint Statistics and MLSD in Filtered Incoherent High-Speed Fiber-Optic Communications
  • 2010
  • Ingår i: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 28:10, s. 1564-1572
  • Tidskriftsartikel (refereegranskat)abstract
    • In this paper, signal statistics and their utilization for detection in narrowly filtered equalized high-speed fiber-optic communications are investigated experimentally. Tradeoffs between log-likelihood metric applications and oversampling are covered in detail. It is, for the first time, demonstrated that performance loss in bandwidth-limited systems can be nearly fully recovered (to within 0.5 dB) by taking advantage of band-width-limitation-induced noise correlations and oversampling.
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4.
  • Tipsuwannakul, Ekawit, 1982, et al. (författare)
  • Performance Comparison of Differential 8-Ary Modulation Formats in High-Speed Optical Transmission Systems
  • 2011
  • Ingår i: Journal of Lightwave Technology. - 0733-8724 .- 1558-2213. ; 29:19, s. 2954-2962
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper presents back-to-back and transmission performance comparisons between single-polarization 120 Gbit/s RZ-DQP-ASK and RZ-D8PSK formats in a single-wavelength system. In the back-to-back configuration, we determine the OSNR requirements of the two formats and compare the results with those obtained analytically and numerically. In the transmission experiments, we examine signal constellations to quantify the significance of intra-channel fiber nonlinearities and investigate the BER performance of the two formats over different reaches (up to 480 km). The results show that the performance of DQP-ASK is superior to D8PSK in back-to-back configuration but is inferior over long distances.
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