Community Forums - ELAARAIND M

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Free Evaluation

Forum Replies Created

March 21, 2015 at 11:18 pm #18916

Participant

any one help us and give some idea.we are final year ,we are submit our final report within this month .give us support

March 19, 2015 at 9:31 am #18882

Participant

thank u for ur respone.in layout parameter which sequence length,sample per bit used?in general

March 18, 2015 at 11:09 am #18844

Participant

sir how rotate the component in optisystem.how rotate left or right?how see the SNR in gragh?

March 18, 2015 at 2:17 am #18828

Participant

MR.Ajay Vyas thank u for ur reply.sir we are confusing about FFT size ,position array,number of subcarrier ,cyclic prefix in ofdm modulator block.BY using no.of subcarrier 512,position array 256,FFT size 1024,cyclic prefix 64 we have got the Q-factor 10^49 and min BER is 0.is it correct this is our ques?.And also
1. IN WDM/OFDM PON,we retrieve the downstream at ONU But upstream signal not send after the AWG mux demux block but we have same output at OLT in BER give us some idea sir.if any one know give us some idea.
2.AND also if we are using different wavelength in upstream and downstream ,we have got the result in ONT not get the result at OLT

Attachments:

bidirectional-wdm-ofdm-pon.osd

March 17, 2015 at 8:00 am #18780

Participant

sir,while simulating the OFDM Ccoherent or direct detection .osd file .In output q-factor is 10^49 ,BER is o .Is it correct ?.we are using this into our project (WDM/OFDMA PON SYSTEM)the result is same .is it correct ?But we cannot able to send upstream data .

March 17, 2015 at 8:00 am #18778

Participant

sir,we need help about the attached file.In which we have send the downstream ,we have got output in ONU.but upstream not work .sir/madam any one give us solution. thank u

Attachments:

wdm-pon-bidirectional.osd

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