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4 QAM modulation with free space optical

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(joined January 2023)
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i want to design 4 QAM modulation of free space optical communication with refer this example of picture , so i want to remove for this exmaple OFDM and i want to use same design of simulation , could you help me that please

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    • #71515

      i want to design 4 QAM modulation of free space optical communication with refer this example of picture , so i want to remove for this exmaple OFDM and i want to use same design of simulation , could you help me that please

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    • #71547
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      Ahmad Atieh
      Moderator

      Dear Aisha,
      You may use the example (Coherent 4 QAM.osd) for guidance on QAM4 modulated signal transmission. It is located at the following link. You may use direct detection if you require that by replacing the coherent detection part.
      C:\Users\USER NAME\Documents\OptiSystem 19.0 Samples\Advanced modulation systems\QAM systems
      Regards,
      Ahmad

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