Multi Ports OFDM - Optiwave

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This topic has 2 replies, 1 voice, and was last updated 8 years, 11 months ago by Mohamed Ben zegalam.

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- December 15, 2015 at 1:00 pm #28774
  
  Mohamed Ben zegalam
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  Hi All,
  
  I am working on OFDMA PON by using multi ports OFDM modulator at OLT, I manage to design two ports OFDM as per the attached file, but when I increase the number of the ports I noticed that just ports that their sub-carriers close to the middle of the FTT point are giving a good result.
  I tried to play with the position of ports sub-carriers by putting some times the port 1 in the middle of the FTT, or port 3 in the middle. always two ports that close to the middle of the FTT point are good one.
  
  Is there any one face this problem before?, any suggestion I will be grateful
- December 16, 2015 at 12:42 am #28780
  
  Mohamed Ben zegalam
  Participant
  
  Is there any one manage to design more than two ports OFDM
- December 17, 2015 at 1:08 pm #28816
  
  Mohamed Ben zegalam
  Participant
  
  It look likes no one has this issue before. I am wondering if some one know how to solve this issue. Any suggestions it will be helpful.
  
  Thanks in advance
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