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![]() NISTIRIUK, P., TSURKAN, D., BEREGOI, Eugeniu, ALEXEI, Anatolie, BIRZOI, O., KORNEA, K.. Ensuring of reliability of discrete information reception in coherent FOTSI [fiber optic transmission systems]. In: International Crimean Conference "Microwave and Telecommunication Technology", Ed. 12, 9-13 septembrie 2002, Sevastopol. Sevastopol: Weber Publishing Co., 2002, Ediția 12, pp. 235-236. ISBN 978-966796812-0. DOI: https://doi.org/10.1109/CRMICO.2002.1137220 |
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International Crimean Conference "Microwave and Telecommunication Technology" Ediția 12, 2002 |
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Conferința "International Crimean Conference ”Microwave and Telecommunication Technology”" 12, Sevastopol, Ucraina, 9-13 septembrie 2002 | ||||||
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DOI:https://doi.org/10.1109/CRMICO.2002.1137220 | ||||||
Pag. 235-236 | ||||||
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Described in this paper are different reception homodyne schemes for coherent FOTSI interference immunity increase. Coherent FOTSI immunity depends on the optical oscillator shot noise and laser phase noise, stipulated by the finite width of the oscillation line of the optical sensor generator and oscillator. The reliability of discrete information reception in coherent FOTSI depends on the optical power of the receiver input signal, signal/noise ratio and on the digital information rate, which is the aggregate determined probability of binary symbol erroneous reception. Homodyne transmission systems with phase locked-loop frequency control optical circuits, on the basis of optical analog phase shifters or with external injection synchronization by optical signals, ensure phase error between the accepted carrier and reference signal does not exceed 0.2 rads. That allows us to reach a probability of binary symbol erroneous reception equal to 10-9 |
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Cuvinte-cheie Engineering controlled terms Bins, Electric power transmission, Phase locked loops, Shot noise, Signal receivers Engineering uncontrolled terms Digital information, Discrete information, Fiber-optic transmissions, Interference immunity, Optical oscillators, Phase-locked-loop frequency controls, Signal/noise ratio, Transmission systems Engineering main heading Phase noise |
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