Forum Replies Created

    May 4, 2015 at 5:30 pm #20402
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    Mohamed Ajina
    Participant

    Hi Mr. Marek

    In the design circle OFDM – QAM , why used single mode fiber (SMF)
    and why do not used Multi-mode fiber

    Regar

    March 20, 2015 at 8:03 am #18896
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    Mohamed Ajina
    Participant

    Windows 7

    March 17, 2015 at 6:57 am #18803
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    Mohamed Ajina
    Participant

    Hi Marek

    I am asked how can I find the relationship between BER and OSNR (What is the method) ?
    note attachment

    Attachments:

    1. 99999.png

    February 28, 2015 at 3:46 pm #17938
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    Mohamed Ajina
    Participant

    Hi Marek

    Am I using the OFDM correct & The correctly results ?
    ( QAM 16 )

    Regards

    February 23, 2015 at 7:20 am #17668
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    Mohamed Ajina
    Participant

    Hi Mr. Marek

    Can you find a mistake in the attached circuit
    I can not get the correct results

    Regards

    February 22, 2015 at 6:18 am #17693
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    Mohamed Ajina
    Participant

    Hi Ravil

    You may use the software version 13.0.1 or 13.0.2

    Attachments:
    1. QAM-641.osd
    February 20, 2015 at 1:52 pm #17670
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    Mohamed Ajina
    Participant

    Hi Sangeetha

    I can not get the correct results

    Can you find a mistake in the attached circuit

    Regards

    Attachments:
    1. QAM-642.osd