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Full range offset correction for coherent optical OFDM systems
Full range offset correction for coherent optical OFDM systems
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机译:相干光OFDM系统的全范围偏移校正
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摘要
A method includes synchronizing a received signal with at least two orthogonal frequency division multiplexed OFDM training signals having only in-phase values and being real in the time domain and determining a frequency offset correction from the synchronization of the received signal and training symbols responsive to a cross-correlation between said training symbols to enable estimating all possible frequency offsets for correction for enabling OFDM demodulation of said received signal.
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