- This topic has 10 replies, 3 voices, and was last updated 8 years, 10 months ago by
prakash jat.
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April 12, 2016 at 4:29 pm #36490
Remo De Suza
ParticipantHi everyone.
Is there a way to in cooperate or simulate this effect in Optisystem. Also yes does any one have MATLAB code for any channel models used in FSO.
I need help.Regards
Remo -
April 13, 2016 at 10:24 am #36581
prakash jat
Participanthi remo
enable scintillation mode in enhance option -
April 13, 2016 at 10:37 am #36585
Remo De Suza
ParticipantHi Prakash.
I appreciate your help. can you help me out in this. Where exactly do i find the option?
Can you share the snapshot of the layout please i would appreciate that. Thanking you!Thanks & regards
Remo -
April 13, 2016 at 12:05 pm #36588
prakash jat
Participantin enhanced mode option
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April 13, 2016 at 2:37 pm #36609
Remo De Suza
ParticipantThank you Prakash for all the help. It has been very very helpful indeed.
What distance are you working with. And also what is the transmitter aperture and receiver aperture you have taken for your system?Thanks and regards
Remo -
April 14, 2016 at 2:32 am #36639
prakash jat
Participantwelocome remo
all parameter would be taken as standard ( you can’t choose best for best parameter like ber)
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April 14, 2016 at 11:53 am #36712
Remo De Suza
ParticipantHi Prakash.
What do you refer to by “you can’t choose best for best parameter like BER”. I couldn’t get it exactly. Please can you brief me a little about it. Thanking you.
Thanks and Regards
Remo-
April 14, 2016 at 12:54 pm #36727
prakash jat
Participanthi remo
because when you take min. line width obviously it will give best result but we redistricted to use standard parameter as well as power , divergence , wavelength etc.
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April 14, 2016 at 3:10 am #36663
Rajguru M. Mohan
ParticipantHi Remo,
First i want to discuss different channel models used in FSO.
They are as:
Gamma Gamma Channel
Log Normal channel
Negative Exponential Channel
K channel
I-K Channel -
April 14, 2016 at 3:14 am #36666
Rajguru M. Mohan
ParticipantHi Remo,
The corresponding code for different channel used in FSO are:
The code for negative exponential function as:
clear all
close all
% subplot (nrows,ncols,plot_number)
x=0:.1:2*pi; % x vector from 0 to 2*pi, dx = 0.1subplot(2,2,3) % plot negative exponential function
plot(x,exp(-x));MATLAB code for log normal:
clear all
close all
x = (10:1000:125010)’;
y = lognpdf(x,log(20000),1.0);figure;
plot(x,y)
h = gca;
h.XTick = [0 30000 60000 90000 120000];
h.XTickLabel = {‘0′,’$30,000′,’$60,000’,…
‘$90,000′,’$120,000’};
Hope this will help you. -
April 14, 2016 at 11:55 am #36713
Remo De Suza
ParticipantHello Rajguru.
Thank you for the matlab code. I had already got it. Anyways i appreciate you for your efforts.
Regards
Remo
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