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Incorporating SDC Module for ISI Compensation for a Long-Haul Co-OFDM System
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Incorporating SDC Module for ISI Compensation for a Long-Haul Co-OFDM System
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Incorporating SDC Module for ISI Compensation for a Long-Haul Co-OFDM System
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Journal Article
Incorporating SDC Module for ISI Compensation for a Long-Haul Co-OFDM System
2021
Overview
With the increase in demand of bandwidth hungry applications, it is recommended to develop a high data rate system for long-haul coherent optical orthogonal frequency division multiplexing (CO-OFDM). At a very high data rate, CO-OFDM signal experiences deterioration. At 50 Gbps, the signal experiences ISI effect and in order to overcome this ISI effect, a prolonged system has been developed to reach optimal ISI compensation technique. One of the prominent and competent techniques to enhance system performance is (SDCM) symmetrical dispersion compensation module. In order to make system more bandwidth efficient 4-QAM (Quadrature Amplitude Modulation) with gray coding is applied and manual adjustments are done at receiver phase to decrease error vector magnitude (EVM). OFDM data stream is successfully transmitted over a distance of 4,000 km to compete the demand of long-haul CO-OFDM system. With different launch powers and laser linewidths, the performance of the system is enhanced in terms of
-factor, SNR and EVM.
Publisher
De Gruyter,Walter de Gruyter GmbH
