[srslte-users] PRB Allocation and Active UEs

[Francisco Paisana]

Hey Ayman,

1. As Roberto suggested, take a look at the "scheduler_metric.h/cc" files
for some directives. The "dl_metric_rr" only does time-domain RoundRobin,
but you could make your own "sched::metric_dl" child class that implements
other types of algorithms.
2. What type of info are you looking for about the UEs? Currently, you can
check what rntis are connected to the eNB and their parameters using the
trace in the terminal. Just press "t" in the terminal and you should see a
table with the connected UEs' params.

Regards,
Francisco

On Thu, Apr 30, 2020 at 8:52 AM Roberto Riggio <rriggio at fbk.eu> wrote:

> Dear Ayman,
>
> we did something similar in the past, but so far we did not managed to
> release any code.
>
> You may want to start from the mac layer implementation
> (srsenb/hdr/mac/mac.h and the corresponding .cc). Here you will see that
> there is class called dl_metric_rr which is of type metric_dl. This is the
> instance that takes care of the dl scheduling.
>
> You may want to implement your own metric_dl with the custom logic to
> implement the slicing as you want.
>
> R.
>
>
>
>
> On Thu, Apr 30, 2020 at 8:40 AM Ayman Maghrabi <ayman.maghrabi at gmail.com>
> wrote:
>
>> Hello srsLTE community,
>>
>> I'd like to thank you for your hard work and commitment to support the
>> software and community.
>>
>> I'm currently working on a projects where I would like to divide the
>> number of available resource blocks between two sets of UEs, like slices.
>> So I had two questions at the moment to understand how I can modify the
>> code:
>>
>> 1- Where in the scheduler code do RBG get allocated to users?
>> 2- Is there a way to know the current active UEs? I know that the
>> ue_db.csv contains info about all the UEs, but is there a way to list the
>> attached UEs and their parameters?
>>
>> Regards,
>> Ayman
>>
>>
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>
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