[Ns-developers] GSoC: WiMAX Projects

[Mohamed Amine Ismail]

Hi Flavio,

> I intend to
> investigate a channel-aware scheduler, and I'm very motiveted to implement
> this features in WiMAX module for ns-3.

Very interesting...nice idea

> For suburbans WiMAX environments, WiMAX Forum recommends SUI or COST231
> model for propagation.
> For error model, I read some people finding PER or BER throught AWGN curves
> with the SNR. Do you recommend some specific error model for 802.16? I
> looked wi-fi error model code in ns-3 but I don't know which model is.

I think it will be nice if you port the propagation and error model from the 
WiMAX module developed by NIST. We are also interested by the TU-6 
propagation  model wich is usefull to simulate broadcast communication

Regarding wi-fi error model, as Mathieu said before, the model implemented is 
based on the model described in http://cutebugs.net/files/wns2-yans.pdf.

Regards
Amine




On Wednesday 01 April 2009 04:26:57 Flavio Kubota wrote:
> Hi Amine and Thierry,
>
> Thanks for reply.
>
> > In my previous message, I forgot to emphasize the most essential part 
> > :-). We very welcome contributions in the current WiMAX module and are
> > open for any proposal to enhance it.
> > As it is important to coordinate the different works in the community,
> > please
> > keep us informed about any current/future work you are interested in or
> > planning to investigate, to avoid developing similar things.
>
> I am currently implementing Propagation and Error model in WiMAX module
> developed by NIST. I am also coding the scheduler developed by LRC [
> http://www.lrc.ic.unicamp.br/wimax_ns2] into this NIST module. I intend to
> investigate a channel-aware scheduler, and I'm very motiveted to implement
> this features in WiMAX module for ns-3.
>
> > Here are further details regarding the status of the WiMAX module.
> >
> > Concerning the implementation of the IPCS classifier, it is almost
> > finished and we are in the bug fixing phase. The code should be available
> > soon at http://code.nsnam.org/iamine/ns-3-wimax/  .
> >
> >
> > We intend to implement the tracing function in the next few weeks.
> > In May, a master student is expected to start an internship on the
> > development of scheduling algorithms (for both uplink and downlink).
> > For this task in particular, a coordination with other groups is crucial.
> >
> > Regarding the 2nd implementation of the PHY layer based on itpp, I would
> > like to mention that this module currently requires a huge computation
> > time since it encodes and modulates the bursts provided by the upper
> > layer. Basically, this implementation is far to be real-time... So if
> > anyone is interested in designing a more sophisticated PHY layer with
> > propagation/error
> > model, he/she would be very welcome.
>
> For suburbans WiMAX environments, WiMAX Forum recommends SUI or COST231
> model for propagation.
> For error model, I read some people finding PER or BER throught AWGN curves
> with the SNR. Do you recommend some specific error model for 802.16? I
> looked wi-fi error model code in ns-3 but I don't know which model is.
>
>
> Thank you a lot,
> Flavio