MATLAB cosimulation, no fiber effects in transmission - Optiwave

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This topic has 2 replies, 2 voices, and was last updated 4 years, 7 months ago by Álvaro Robledo.

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- May 20, 2020 at 7:15 am #67179
  
  Álvaro Robledo
  Participant
  
  Hi all,
  
  I am developing a system that cosimulates the Radio-over-Fiber transmission of CP-OFDM signals with MATLAB. I generate the signal in MATLAB and apply the carrier (3.5GHz) and then enter Optisystem. In Optisystem I only have a CW laser and a MZM to modulate the RF signal, a fiber, and a photodiode (see image attached). Then I go back with the resulting signal to MATLAB and evaluate the EVM.
  
  The problem is, while I have very good values of OFDM, they don’t vary with the fiber length as expected.
  
  Has anyone tried a similar setup, or could anyone give some insight into this? It’d be much appreciated.
  
  Thank you
- May 20, 2020 at 7:17 am #67193
  
  Ahmad Atieh
  Moderator
  
  Hello Alvaro,
  We can check your project if you would send the OptiSystem project and the Matlab codes as a zip file to ahmad.atieh@optiwave.com.
  Regards,
  Ahmad
- May 26, 2020 at 5:37 am #67271
  
  Álvaro Robledo
  Participant
  
  Hello Ahmad,
  
  thank you for your offering, we were already able to solve the problem. In fact it was my fail.
  
  Regards,
  Álvaro
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