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BER estimation method by Eb/No for CO-OFDM systems with QPSK mapping is studied in this paper. The relationships of BER vs. OSNR and Q factor vs. OSNR are firstly represented in detail. The comparisons between BER estimation by Eb/No and Monte-Carlo (MC) method with OSNR, chromatic dispersion (CD), laser linewidth and fiber nonlinearity impairments are also researched in this paper. Through simulation...
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