Proportioanl Fair scheduling algorithm for uplink

[guest]

Hello,

I am working on LTE scheduling for uplink.I implemented some algorithm for uplink but  to check the efficiency and performance of them i have to implement proportional fair for uplink,but i don't have any idea to implement it.
so please let me know if is there anyone  working on proportional fair scheduling algorithm for uplink or if anyone has algorithm for PF uplink. please upload it here  so i will implement it.

Nicola Sir,if your team is going to release it in near future,let me know when they will release it?

Thanks

[Marco Miozzo]

Hi,

Currently LENA team is not planning to extend the PF scheduler to uplink, the current implementation of PF scheduler implement the PF behavior only in DL, while in UL it implements the RR one.

You can find information on scheduler desing at the following link:
http://www.nsnam.org/docs/release/3.16/models/html/lte-design.html

Let me suggest to take the DL PF implementation already done in DoSchedDlTriggerReq() method as a reference for implementing the UL one in DoSchedUlTriggerReq().

Contributions are welcome!

Regards,
marco.

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[Nitish Rajoria]

Hello Marco,

Since, We are interested in implementation of PF scheduling algorithm for uplink but there are some problems like in uplink we need to allocate contiguous resource blocks to a UE but as we know this is a NP-Hard problem. several papers are there who gives an approximation algorithm to implement this algorithm. So, we are confused that which paper we should follow. We need an exact algorithm which we can code. Please send some link or papers so that we can start the work.

Thanks

[Nicola Baldo]

Hi Nitish,

the reference that we used for the implementation of the PF scheduler in DL is included in the documentation already linked by Marco.
You mentioned that you found several papers on the PF algorithm for the LTE DL; why don't you list them here for further discussion?

Nicola

[akin soysal]

Hi all,

Actually I have designed and implemented an UL PF scheduler and I am using it at the moment but I would like it to be tested thoroughly. The problem with UL SINR -> CQI conversion is challenging me, too.

I have already posted this before but I am not very familiar with contributing the code. If there is anybody who can assist me, I can gladly share the code.

https://groups.google.com/forum/?fromgroups#!searchin/ns-3-users/ul$20schedul/ns-3-users/OHGWWRmkxnk/LO1Ef28O5ywJ

Best Regards,
Akın

[Tommaso Pecorella]

Hi Akın,

the info you search are here: https://www.nsnam.org/developers/contributing-code/

You can also contact the module maintainer.

Cheers,

T.