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Nonlinearity and BER

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(joined May 2014)
Participant

I can’t measure the effect of non-linearity on BER because the non-linearity produce phase error and DSP remove phase error?
I used “112Gbps Coherent DP-QPSK_Trans with DSP” Example.
How can I measure the effect of the non-linearity on BER performance.
When I disabled CPE in the DSP,the system produce error,even if there is no non-linearity.
Hope your support.
Regards,
Abdallah

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    • #18542
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      Abdallah Ismail
      Participant

      I can’t measure the effect of non-linearity on BER because the non-linearity produce phase error and DSP remove phase error?
      I used “112Gbps Coherent DP-QPSK_Trans with DSP” Example.
      How can I measure the effect of the non-linearity on BER performance.
      When I disabled CPE in the DSP,the system produce error,even if there is no non-linearity.
      Hope your support.
      Regards,
      Abdallah

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