Ns3 enodeb connects with 1 UE

[Arpita Chopra]

Hello,

I am getting issue with enodeb and Ue connection. In this script 1 enodeb is connecting with 1 user, but i want to connect it with multiple user. Can anyone help me that where i am doing mistake.

[Arpita Chopra]

Now my script is working for multiple users, But next question i have is why i am getting SINR value same for all ues, However all ues are places at different place and different distance. How can i save position of ues??

[Erdem Tuna]

I'm not sure but it looks you have commented out the propagation loss model in your script. Could that be the reason?

30 Temmuz 2018 Pazartesi 13:42:44 UTC+2 tarihinde Arpita Chopra yazdı:

[Arpita Chopra]

Thanks Erdem,

Now it is working for multiple Ues. The next thing is i want to log datarate and X-Y coordinate of ues and my sinr values are same throughout the simulation. If Ues are at different position then why SINR are same for each user?

[Erdem Tuna]

You can use the following script to print out the location of the UEs with a variable frequency:

"""

for(int i = 0; i < numPrints; i++)

  {

   Simulator::Schedule(Seconds(i*simTime/numPrints), &PrintPosition, ueNodes.Get(0)); 

  }
"""

Did you enable any pathloss model in your script?

30 Temmuz 2018 Pazartesi 19:49:59 UTC+2 tarihinde Arpita Chopra yazdı:

[Erdem Tuna]

As callback function, you can use the following for the aforementioned for loop:
"""

void

PrintPosition(Ptr<Node> node)

{

  Ptr<MobilityModel> model = node->GetObject<MobilityModel> ();

  NS_LOG_UNCOND("Position = " << model->GetPosition() << " at time " << Simulator::Now().GetSeconds());

}

"""

30 Temmuz 2018 Pazartesi 20:28:03 UTC+2 tarihinde Erdem Tuna yazdı:

[Arpita Chopra]

Thanks Erdem,

I will try this. Why I am getting same value for SINR as UES are at different places.

[Erdem Tuna]

Hi Arpita,

Did you enable any pathloss model in your script?

30 Temmuz 2018 Pazartesi 20:35:47 UTC+2 tarihinde Arpita Chopra yazdı:

[Arpita Chopra]

Hello Erdem,

Not yet.

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Thanks & Regards, 

Arpita Chopra

[Arpita Chopra]

Can you suggest me why I am getting same SINR for all Ues?

On Sunday, July 29, 2018 at 9:05:57 PM UTC+5:30, Arpita Chopra wrote:

[Erdem Tuna]

Hi,

Maybe it is because you didn't enable pathloss model. But I'm not sure.


31 Temmuz 2018 Salı 04:55:35 UTC+2 tarihinde Arpita Chopra yazdı:

[Arka Bhattacharjee]

Hello Arpita,
I am also trying to do something similar to you.I want to connect 50 Ues to 10 eNodeB.Can you share your updated script, where enodeB is connected with multiple user?It will be a great help.

Thanks in advance