- This topic has 16 replies, 6 voices, and was last updated 8 years, 3 months ago by
Manoj Kumar.
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March 17, 2016 at 5:08 am #33013
shanmuga srinivasan
Participantam trying to design a broadband system that can support a finite number of users at different data rates for example 2,5,6,9Gbps.i have uploaded my design in an osd file below.please have a look at it and tell me how can i improve the system performance as the average quality factor obtained is 3.please guide me to improve the BER and Q factor.thank you very much.
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March 17, 2016 at 9:46 pm #33053
shanmuga srinivasan
ParticipantSome one please reply…it’s very urgent…
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March 18, 2016 at 8:07 am #33089
Ranjeet Kumar
ParticipantHi shanmuga srinivasan,
Here i will osd file of 8 Channel dwdm system with CSRZ modulation formats, DRZ modulation formats, MDRZ modulation formats, for 10 gbps or more in downlink. you can use this ods file for your future works because these modulation formats are very efficient and transmit upto 1000 km and used in long haul comminucation.
here you can increase no. of channel(user) and by using bidirectional fiber and bidirectional AWG you can use for bidirectinal designs.-
March 18, 2016 at 9:24 am #33094
shanmuga srinivasan
ParticipantAwaiting your reply ranjeet Kumar…thank you very much…
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March 18, 2016 at 8:11 am #33090
Ranjeet Kumar
ParticipantHi shanmuga srinivasan,
Due to problem in internet connectivity , i am unable to upload the osd file, although i am able to comment… i don’t know why it is happening.
i will try to upload the file. I apologize for this problem. -
March 18, 2016 at 9:04 am #33093
SAHIL SINGH
ParticipantHi shanmuga…
can’t open ur osd file right now but u can do lot of things to make your BER better. Try increasing bandwidth of mux if u are using any. i have tried this and my bit error rate became very less..i hope it will help you.
thank u -
March 18, 2016 at 9:27 am #33095
shanmuga srinivasan
ParticipantHello sahil I have increased the bandwidth of MUX upto 50GHz and still I could not see the improvement please go through the osd file that I uploaded and guide me how to increase the performance thank you
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March 18, 2016 at 9:46 am #33097
SAHIL SINGH
ParticipantHi Shanmuga Srinivasan,
I actually can’t open ur osd file right now as lab working hours are over and i am off for weekend… Try incresing the bandwidth of the mux further and see if there is any change.. But already the bandwidth is high… Still give it a try.. Hope it helps…
Regards
Sahil Singh
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March 18, 2016 at 9:46 am #33098
FAYIQA NAQSHBANDI
SpectatorHELLO SHANMUGA SRINIVASAN
I tried to open ur osd file but i could not understand the flow of ur system design and i got confused many a times..i could see that you have kept MUX bandwidth equal to 50 GHz.. you need to do same for DEMUX..i would personally suggest you to to change other parameters like power , bits per sample, increase the sequence length which is very important…also keep the symbol rate larger than your global bit rate..keep it atleast 0.5 times higher than the bit rate and c how ur system works for that..i hope it is helpful to u…
thanks and regards
fayiqa -
March 18, 2016 at 4:12 pm #33179
Ranjeet Kumar
ParticipantHi shanmuga srinivasan,
I am uploading osd files of 32 and 8 Channels dwdm system with CSRZ modulation formats, DRZ modulation formats, MDRZ modulation formats, for 10 gbps or more in downlink. Channel spacing is 100ghz , you can also change channel spacing and channel frequency as per your applications. -
March 18, 2016 at 4:17 pm #33185
SAHIL SINGH
ParticipantHi Ranjeet Kumar,
Your efforts are highly appreciated..
Thanks and regards
Sahil Singh
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March 19, 2016 at 2:23 pm #33203
Ranjeet Kumar
ParticipantThank you Sahil Singh For Your appreciation and regards. I will try my best to get such appreciation by doing some remarkable and appreciable jobs and will design good and efficient networks.
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March 19, 2016 at 2:28 pm #33206
SAHIL SINGH
ParticipantHi Ranjeet Kumar,
You are welcome anytime… I hope we keep on doing such constructive discussions more and more in the near future..
Thanks and regards
Sahil Singh
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March 20, 2016 at 8:08 am #33292
MHD NA
Participant.i could see that you have kept MUX bandwidth equal to 50 GHz.. you need to do same for DEMUX..i would personally suggest you to to change other parameters like power , bits per sample, increase the sequence length which is very important…also keep the symbol rate larger than your global bit rate..keep it atleast 0.5 times higher than the bit rate and c how ur system works for that.
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March 20, 2016 at 8:08 am #33293
MHD NA
Participanti could see that you have kept MUX bandwidth equal to 50 GHz.. you need to do same for DEMUX..i would personally suggest you to to change other parameters like power , bits per sample, increase the sequence length which is very important…also keep the symbol rate larger than your global bit rate..keep it atleast 0.5 times higher than the bit rate and c how ur system works for that.
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March 22, 2016 at 12:41 am #33522
shanmuga srinivasan
ParticipantThank you very much ranjeet…awesome work…thank you all for your replies…
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April 11, 2016 at 7:09 am #36202
Manoj Kumar
ParticipantHELLO SHANMUGA SRINIVASAN
I tried to open ur osd file but i could not understand the flow of ur system design and i got confused many a times..i could see that you have kept MUX bandwidth equal to 50 GHz.. you need to do same for DEMUX..i would personally suggest you to to change other parameters like power , bits per sample, increase the sequence length which is very important…also keep the symbol rate larger than your global bit rate..keep it atleast 0.5 times higher than the bit rate and c how ur system works for that..i hope it is helpful to u…
thanks and regards
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