2017 IEEE International Conference on Communications (ICC) 2017
DOI: 10.1109/icc.2017.7997218
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On reducing optical monitoring uncertainties and localizing soft failures

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Cited by 7 publications
(6 citation statements)
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“…Bit rate requirement, routes, distance and modulation format are listed in Table 2. The physical layer parameters values of the elastic optical network are illustrated in Table 3, [4], [21], [22], [26], [36], [37]. Herein, we evaluate only twelve channels, including the channels with higher and lower power transmitted power, to avoid burden information.…”
Section: Numerical Resultsmentioning
confidence: 99%
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“…Bit rate requirement, routes, distance and modulation format are listed in Table 2. The physical layer parameters values of the elastic optical network are illustrated in Table 3, [4], [21], [22], [26], [36], [37]. Herein, we evaluate only twelve channels, including the channels with higher and lower power transmitted power, to avoid burden information.…”
Section: Numerical Resultsmentioning
confidence: 99%
“…Theses values are monitored by OPMs at add, through and drop node by channel estimation and reported to the control plane to guarantee the QoT. The channel estimation quality is affected by three main assumptions: 1) non-perfect monitoring of the OPMs considering their limited accuracy due to channel impairments (linear and nonlinear effects) and the receiver architecture, as well the noise measurement and peaks occurrence caused by polarization mode dispersion (PMD) effects [2], [4], [6], [25], [26]. Theses uncertainties can be modeled as a random variable δ i added to the γ B2B,i ,which follows a Log-Normal distribution LN (µ, σ ).…”
Section: System Model and Problem Formulationmentioning
confidence: 99%
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“…Υποθέτουμε ότι τα OPMs είναι προγραμματίσιμα ώστε να πυροδοτούν ειδοποιήσεις σφαλμάτων για συγκεκριμένα μετρήσιμα γεγονότα. Οι ειδοποιήσεις και η παρατηρούμενη πληροφορία μεταφέρονται στον ελεγκτή όπου μπορούν να χρησιμοποιηθούν για την εκτίμηση του QoT [39], εντοπισμό σφαλμάτων [69] και για να ληφθούν δυναμικές αποφάσεις βελτιστοποίησης που είναι και το θέμα αυτής της ενότητας. Το έργο ORCHESTRA αναπτύσσει ένα καινούριο ιεραρχικό επίπεδο παρακολούθησης ώστε να επεξεργάζεται αποτελεσματικά ειδοποιήσεις και παρατηρούμενη πληροφορία και να αφαιρεί σημαντικό φόρτο εργασίας από τον κεντρικό ελεγκτή [50].…”
Section: σενάριο δικτύουunclassified