- This topic has 20 replies, 6 voices, and was last updated 9 years, 2 months ago by
Ranjeet Kumar.
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AuthorPosts
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February 10, 2016 at 4:28 am #29538
Fady
ParticipantCould you please post a bidirectional WDM OFDM PON example here or at least bidirectional OFDM example? Thank you!
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February 11, 2016 at 9:27 am #29601
Damian Marek
ParticipantTry looking at this:
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February 12, 2016 at 4:42 pm #29664
Mohamed Ben zegalam
ParticipantHi Damian,
I check the design that you attached in the link above, and I am thinking if I can use just one OFDM modulator with 4 ports at transmission side in the OLT. in the receiver side, we split the optical signal to four, then we down converter to RF each one spirit.
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February 12, 2016 at 9:43 pm #29667
alistu
ParticipantHi Mohamed,
I once tried to implement such a system but did not manage to. Can you please share your implementation if it is possible for you? Thank you.
Regards
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February 16, 2016 at 1:23 pm #29792
Mohamed Ben zegalam
ParticipantHi Alistu,
sorry for late reply.
actually I am still working on it, in the attached file you can see the configuration of the OFDM PON that I am working with it (version 0). once I complete and improve the last version, I will submit it in the forum. -
February 16, 2016 at 2:07 pm #29794
alistu
ParticipantThank you very much Mohamed. I appreciate your help.
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March 7, 2016 at 3:27 am #31693
Fady
ParticipantHi Damian,
Thanks for your help. The example you attached here (https://optiwave.com/forums/topic/ofdm-uwb/) will not give good results if you enable optical fiber simulation?
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February 11, 2016 at 12:23 pm #29607
Fady
ParticipantThanks Damian for your reply. I have seen this example before. I am trying to set up a bidirectional system. I am using OS13. Any help will be highly appreciated!
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February 15, 2016 at 12:40 am #29713
Aabid Baba
Participantare you facing a problem in bidirectionality only??
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February 15, 2016 at 5:36 am #29733
Fady
ParticipantYES!
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February 15, 2016 at 6:07 am #29734
Aabid Baba
Participantyou need to go through chapter 5 of the tutorial..find the attachment below!
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February 15, 2016 at 6:09 am #29736
Fady
ParticipantThanks. I have simulated many bidirectional systems but I think there is a problem with the OFDM ones.
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February 16, 2016 at 4:41 am #29774
Aabid Baba
Participantyeah , maybe!
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February 16, 2016 at 6:13 am #29781
Fady
ParticipantI think they should post an example of A bidirectional OFDM
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February 22, 2016 at 7:12 am #30005
Fady
ParticipantAny help?
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March 5, 2016 at 12:55 am #31565
Ranjeet Kumar
ParticipantHi Fady,
Here i am attaching osd file bidirectional WDM OFDM PON.
It cotains of 2 transreceivers. -
March 7, 2016 at 3:23 am #31692
Fady
ParticipantThanks Ranjeet, I could not open the file. I am using OS-13. Regards
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March 7, 2016 at 11:30 am #31739
Ranjeet Kumar
ParticipantHi Fady,
I am understanding your problem why there having problem in opening file iam using Optisystem 14 but getting good q-factor and BER.
Although its simulation time is 7 minutes nearly. I again uploading the osd file may be this help you. -
March 8, 2016 at 3:42 am #31857
Fady
ParticipantThanks Ranjeet but still can not open the file
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March 11, 2016 at 4:13 am #32451
Fady
ParticipantHi Ranjeet,
I have opened the file using OS14. Why you are using OFDM OS12 components in your work. You should use the new OFDM components to get better BER results. -
March 11, 2016 at 7:06 am #32477
Ranjeet Kumar
ParticipantHi Fady,
Thanks for your suggestions, i am trying to use OFDM modulator and demodulator.
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