Download Design and Engineering of Wdm Systems and Networks by Neophytos (Neo) Antoniades, Georgios Ellinas, Ioannis Roudas PDF

By Neophytos (Neo) Antoniades, Georgios Ellinas, Ioannis Roudas

Modeling, Simulation, layout and Engineering of WDM structures and Networks provides readers with the fundamental talents, recommendations, and layout thoughts used to start layout and engineering of optical verbal exchange structures and networks at a number of layers. the most recent semi-analytical method simulation recommendations are utilized to optical WDM platforms and networks, and a evaluation of a number of the present parts of optical communications is gifted. Simulation is blended with experimental verification and engineering to provide the in addition to cutting-edge research.

This contributed quantity is split into 3 components, accommodating assorted readers drawn to quite a few different types of networks and purposes. the 1st a part of the publication offers modeling ways and simulation instruments more often than not for the actual layer together with transmission results, units, subsystems, and systems), while the second one half positive factors extra engineering/design matters for varied different types of optical structures together with ULH, entry, and in-building structures. The 3rd a part of the booklet covers networking matters concerning the layout of provisioning and survivability algorithms for impairment-aware and multi-domain networks.

Intended for pro scientists, corporation engineers, and college researchers, the textual content demonstrates the effectiveness of computer-aided layout by way of community engineering and prototyping.

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For example, an accuracy of D \ 2% can be achieved for P ¼ hDsrms iBm ¼ 100 using averaged results from 50 Monte-Carlo simulations. Note that increasing the number of simulation trials does not improve the modeling accuracy. 1 ps is modeled using the method described in Richter et al. [55]. 9 shows contour plots of bit error rate (BER) versus DGD for the 40 Gbit/s tributaries from 6,000 simulation trials with random PMD realizations using a deterministic BER estimation method accounting for arbitrary signal statistics and polarization states of optical noise and signal in front of the receiver [56].

9b depicts results for the case that the 40 Gbit/s tributaries are launched in alternate polarizations. The use of ‘‘link emulators’’ to investigate the impact of combined CD–PMD and PDL effects is another possible approach for modeling the transmission link. With such emulators DGD, and the second order PMD characteristics—PCD and depolarization—can be set individually and specific combinations of first and 2 Computer Modeling of Transport Layer Effects 37 Fig. 10 Bidirectional signal propagation in fiber and two-point boundary problem, [63, section UniversalFiber] (Copyright 2011 VPIsystems.

From Freund et al. [31], Fig. 12, left. Reproduced by permission of Ó 2004 The Institute of Electrical and Electronics Engineers) 29 PMD coefficient / ( ps/√ km) The frequency dependence of PMD can be described by introducing terms that represent the n-th order dependencies of the PMD vector on frequency. Ignoring third and higher order effects, second order PMD alone consists of two orthogonal components in the frequency domain: polarization chromatic dispersion (PCD) resulting from the linear frequency dependence of the DGD and pointing in the same direction as the PMD vector, and depolarization resulting from the linear frequency dependence of the PSPs and pointing in the orthogonal direction to the PMD vector [24, 30].

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