2015 17th International Conference on Transparent Optical Networks (ICTON) 2015
DOI: 10.1109/icton.2015.7193332
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40 Gb/s FPGA implementation of a reduced complexity volterra DFE for DQPSK optical links

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Cited by 5 publications
(3 citation statements)
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“…VDFE employing skimmed Volterra kernels in place of the full-sized counterparts, have been proposed as a viable solution in high-speed, low-cost implementation for the equalization of OOK keying signaling, as well as for the DQPSK modulation, operating at bit rates as high as 40 Gb/s [2,10,12,20]. Assuming the same example of Equation (4), let the signals processed given by the triplet (I c , Q c , Q d ), i.e., the destructive port of the I channel, be ignored.…”
Section: Proposed Partially-joint Single-ended Dqpsk Equalizationmentioning
confidence: 99%
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“…VDFE employing skimmed Volterra kernels in place of the full-sized counterparts, have been proposed as a viable solution in high-speed, low-cost implementation for the equalization of OOK keying signaling, as well as for the DQPSK modulation, operating at bit rates as high as 40 Gb/s [2,10,12,20]. Assuming the same example of Equation (4), let the signals processed given by the triplet (I c , Q c , Q d ), i.e., the destructive port of the I channel, be ignored.…”
Section: Proposed Partially-joint Single-ended Dqpsk Equalizationmentioning
confidence: 99%
“…A low complexity alternative of proposed three port partially joint single ended VDFE, is a degenerated form of PVDFE, the so called skimmed VDFE (SVDFE) [10], where extreme pruning is applied to the feed-forward Volterra kernels, keeping only the coefficients that correspond to the diagonal of the full sized counterpart. VDFE employing skimmed Volterra kernels in place of the full-sized counterparts, have been proposed as a viable solution in high-speed, low-cost implementation for the equalization of OOK keying signaling, as well as for the DQPSK modulation, operating at bit rates as high as 40 Gb/s [2,10,12,20].…”
Section: Proposed Partially-joint Single-ended Dqpsk Equalizationmentioning
confidence: 99%
“…Θα πρέπει να σημειωθεί ότι υπάρχουν και κάποιες ηλεκτρονικές μέθοδοι που προϋποθέτουν την εκ των προτέρων γνώση της υπολειπόμενης χρωματικής διασποράς, όπως για παράδειγμα οι προ-παραμορφωτικές τεχνικές (pre-distortion techniques) [48,49]. Αντίθετα, οι ηλεκτρονικοί εξισωτές [50][51][52] χρησιμοποιούνται μετά την ανίχνευση του οπτικού σήματος στο δέκτη και προσφέρουν τη δυνατότητα ρυθμιζόμενης λειτουργίας, ικανοποιώντας όλες τις απαιτήσεις που περιγράφηκαν παραπάνω. Τόσο εξαιτίας των μη γραμμικών φαινομένων όσο και εξαιτίας της μη γραμμικής φύσης της φωτοδιόδου ανίχνευσης του οπτικού σήματος το οπτικό κανάλι μετάδοσης χαρακτηρίζεται από της μη γραμμικότητες.…”
Section: κίνητρο και σκοπός μελέτηςunclassified