Issues in building a LTE model via python bindings

[yang li]

Hello, everyone, I am using NS-3 to simulate my thesis project, the scenario is a LTE communication involving with two UEs (uenodes) and one BS (bsnodes), I followed the instruction from official documentations://www.nsnam.org/docs/models/html/lte-user.html, although it is using C++, but I manage to get them in python.

However, when I tried to execute the program, I am having the errors:
NS_ASSERT failed, cond="uid <= m_information.size() && uid != 0", +0.000000000s -1 file=/home/lfyang/project-racecar/OMNET++/ns-3/ns-allinone-3.40/ns-3.40/src/core/model/type-id.cc, line=459
NS_FATAL, terminating

The code I am using is:

from ns import ns

import sys

#This file should represent the fundamental typology:

#

#There should have two nodes, one is staying in fixed position

#Another one should make some random movement

#

#The channel should be limited at data rate__

#

#

#####Setting BS node x1

bsnodes=ns.network.NodeContainer()

bsnodes.Create(1)

print(bsnodes.Get(0).GetTypeId())

#####Setting UE nodes x2

uenodes=ns.network.NodeContainer()

uenodes.Create(2)

print(uenodes.Get(0).GetTypeId())

# # #this section should be about position

mobility = ns.mobility.MobilityHelper()#This is where my project has to use

mobility.SetPositionAllocator("ns3::GridPositionAllocator", "MinX", ns.core.DoubleValue(0.0),

"MinY", ns.core.DoubleValue (0.0), "DeltaX", ns.core.DoubleValue(5.0), "DeltaY", ns.core.DoubleValue(10.0),

"GridWidth", ns.core.UintegerValue(3), "LayoutType", ns.core.StringValue("RowFirst"))

mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel")

mobility.Install(bsnodes)

mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel", "Bounds", ns.mobility.RectangleValue(ns.mobility.Rectangle (-50, 50, -50, 50)))

mobility.Install(uenodes)

#The protocol here based on the example is LTE&&#This is the step to connect UEs to BS

lteHelper = ns.lte.LteHelper()

bsDevs = lteHelper.InstallEnbDevice(bsnodes)

ueDevs = lteHelper.InstallUeDevice(uenodes)

lteHelper.Attach(ueDevs, bsDevs.Get(0))

#troutbleshooting

#Data Radio bearer

qci=ns.lte.EpsBearer.GBR_CONV_VOICE

bearer=ns.lte.EpsBearer(qci)

lteHelper.ActivateDataRadioBearer(ueDevs,bearer)

ns.core.Simulator.Stop(ns.core.Seconds(0.005))

ns.core.Simulator.Run()

ns.core.Simulator.Destroy()

I would appreciate if anyone could share the advice since I wish to rely on Python to achieve the simulation process. The python binding is enabled and it works with three nodes just by using p2p and internet stack:

NS_ASSERT failed, cond="uid <= m_information.size() && uid != 0", +0.000000000s -1 file=/home/lfyang/project-racecar/OMNET++/ns-3/ns-allinone-3.40/ns-3.40/src/core/model/type-id.cc, line=459
NS_FATAL, terminating

[Gabriel Ferreira]

See your other post. I've answered there.