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- W2348437578 abstract "Without optical dispersion compensation,the performances of different modulation schemes for coherent optical orthogonal frequency division multiplexing(CO-OFDM) system are analyzed.The simulation results show that the anti-BER ability of 2PSK is best,but its bandwidth efficiency is lower than other modulation methods.The bandwidth efficiency of 4QAM is as twice as the 2PSK,and the required OSNR is about 9dB when the BER of the system is smaller than 10-3.Although the bandwidth efficiency of 8QAM is higher than other two kinds of modulation methods,its performance of anti-BER is relatively poor.Therefore,the specific modulation scheme should be chosen depending on the actual needs of the system." @default.
- W2348437578 created "2016-06-24" @default.
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- W2348437578 date "2011-01-01" @default.
- W2348437578 modified "2023-09-25" @default.
- W2348437578 title "Performance analysis of different modulation schemes for coherent optical OFDM system" @default.
- W2348437578 hasPublicationYear "2011" @default.
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