Home Forums GENERAL OFDM BER vs Prx incoherence

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    • #48455
      Fabio Henriques
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      Greetings,

      I am developing a project that consists of OFDM performance analysis. I started by using the sample file and made some modifications according to my needs. When I analyze the BER vs received power relation for several fiber distances, I see that the smaller the fiber lenght, the worse the results, which is not expected. I wonder if anyone has any idea why. I send the file attached.
      Thanks in advanced.

    • #48490

      Hi Fabio,
      I agree with you, it should not be like that.

      but did you check the results twice/or more with the same parameters? if you found fluctuations in the results so that means there is a noise or a randomness effect.
      I advise you in this case to average each length some times then plot the BER vs length to see the overall behaviour.

      hope that helps,
      Mohamed Abouseif

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