How to change ErrorRate overtime in channel?

[phil Lin]

Hi all,

I have a problem:

I want to change the ErrorRate starting from 10s. 

This is my way to change the errorrate which is in the RateErrorModel.
It doesn't work

void errorchange(){

   Config::Set("/NodeList/0/DeviceList/0/$ns3::PointToPointNetDevice/ReceiveErrorModel/$ns3::RateErrorModel/ErrorRate", DoubleValue(0.1));

}

Ptr<UniformRandomVariable> uv = CreateObject<UniformRandomVariable> ();

  uv->SetStream (50);

  RateErrorModel error_model;

  error_model.SetRandomVariable (uv);

  error_model.SetUnit (RateErrorModel::ERROR_UNIT_PACKET);

 

  PointToPointHelper pointToPoint;

  pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("8Mbps"));

  pointToPoint.SetChannelAttribute ("Delay", StringValue ("20ms"));

  pointToPoint.SetDeviceAttribute ("ReceiveErrorModel", PointerValue (&error_model));

  Simulator::Schedule (Seconds(10) , &errorchange);

I can't change the ErrorRate and it still maintained the default value.

Do you have any advice ? Thank you so much!