Replies to This Discussion

Permalink Reply by Ahmad S. M. Saqer on July 7, 2008 at 6:32am

Hi Juliana

yep, it's very useful for QoS & BW allocation
thnx a lot for this link.

July, did u used/tried the ns-3??? or not yet?

regards

Permalink Reply by Juliana Freitag Borin on September 10, 2008 at 11:28am

Hi Arta,

ns provides two types of traces: one for the nam and the other is in text format and you can use it to extract results such as throughput, delay, loss, etc. The example provided with the WiMAX module produces only the text trace, which is the out.tr. To generate the nam trace I think you have to use a command like "namtrace" or something like that. You can find more information in the ns manual. I've never used nam, and I don't know how it will work with this module...
Regards,
Juliana.

Permalink Reply by Ahmad S. M. Saqer on September 11, 2008 at 3:53pm

hi Arta

u need to refer to "ns_doc.pdf" file, look for info on "trace-all" and "namtrace-all" commands.

and by using nam u will use the command "$ns namtrace-all $nf" for this. and create the *.nam file, which is recognized by nam.
or u can use the gawk to visualization ;)


cheers

Arta Doci said:

Hej Juliana,

Thanks for the Ns 2.33 patch. One more question, which is related to visualization of the out.tr file. I used the nam utility in ns, but it states that: nam cannot recognize the trace file out.tr. How do you visualize the file?

Thanks and I am glad that we are in touch!
Arta

Permalink Reply by Ahmad S. M. Saqer on September 11, 2008 at 4:11pm

here an example attached ;)

also, if u r not familiar with gawk u can use the XGraph http://www.isi.edu/nsnam/xgraph/ or TraceGraph http://www.tracegraph.com/ to visualize it directly.
good luck

Attachments:

• example.pptx, 70 KB

Permalink Reply by Fernando on September 15, 2008 at 10:00pm

olá Juliana.
Ao analisar o teu modelo do WIMAX deparo-me com um problema que nao o consigo resolver.
Penso que para extrair resultados como delay teria que, ao analisar o trace file, encontrar por ex. um pacote com um pkt_id a ser enviado, e passado algum tempo iria receber esse mesmo pkt_id. assim poderia ver o intervalo de tempo que correspondia ao delay. fiz um script em awk para tirar valores como througput ou delays mas penso que os resultados nao estao correctos.
Aconteceu-me o mesmo ao analisar o módulo da NDSL.

será que me podes ajudar a resolver o problema? Se nao fosse abusar e me podesses indicar como tirar o delay do teu modulo com uma script awk...

Cumprimentos,
Fernando

Permalink Reply by Riccardo on October 14, 2008 at 9:07am

Hi Juliana,
I've found in the site the Wimax module for ns2 version 1.02, but only the version for ns2.28.
Do you have another one that works fine in ns 2.33?

regards,

Riccardo

Permalink Reply by le hang on October 28, 2008 at 2:34am

hi Juliana!
is phy layer in your patch ofdma? i am searching a module of ns supports ofdma but i can't find it, i am really interested in mobile wimax and have a project about it, do you help me by showing me how to simulate mobile wimax? thanks in advance!
that's very kind of you to help me.!

with sincerely,
Le Hang

Permalink Reply by Juliana Freitag Borin on October 28, 2008 at 11:16am

Hi Le Hang,

We are still developing the OFDM Phy layer. The current version of the module uses the ns-2 Phy layer.
In my research, I simulate static networks, so I don't have experience with mobile simulation...

Regards.

Permalink Reply by Juliana Freitag Borin on November 6, 2008 at 11:08am

Hi,

please try again this link http://www.lrc.ic.unicamp.br/wimax_ns2/
It shouldn't be down now.
Regards.

Permalink Reply by Rubens de Souza Matos Júnior on November 18, 2008 at 6:36pm

Olá Juliana, estou fazendo meu trabalho de conclusão de curso sobre simulação de redes wimax, porém ao tentar compilar o seu módulo, e outros também, aparece um erro: error: conflicting declaration ‘char** p_info::name_’ .
Estou usando o ns-2.33. vi que uma pessoa aqui no fórum comentou sobre um patch seu para essa versão do ns. Tem a ver com esse erro? De qualquer forma gostaria que me dissesse onde posso encontrar o patch, ou enviasse diretamente para mim, se for possível.
Desde já agradeço.

Permalink Reply by Aleksandar Bozinovski on June 1, 2009 at 4:58pm

Hi Juliana,

I am new to ns2 and i have managed to install ns 2.29 and ns 2.32 on ubuntu 8.10.
At this moment i am making a research on wimax, but i didnt hav any luck finding the module for ns 2.29.

The link that is posted http://www.lrc.ic.unicamp.br/wimax_ns2/ is not working, so if it is possible could you please send me the module on my email bozinovskial@yahoo.com

Best regards,
Aleksadar

Permalink Reply by Juliana Freitag Borin on June 9, 2009 at 4:21pm

Hi Aleksandar,

the link should be working now. Pleas, try again.
Regards,
Juliana.

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