/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Authors: Nicola Baldo <nbaldo@cttc.es>
* Manuel Requena <manuel.requena@cttc.es>
*/
#include <ns3/core-module.h>
#include <ns3/network-module.h>
#include <ns3/mobility-module.h>
#include <ns3/lte-module.h>
#include <ns3/internet-module.h>
#include <ns3/applications-module.h>
#include <ns3/point-to-point-module.h>
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("LteX2HandoverMeasuresTest");
struct CheckPointEvent
{
Time checkStartTime;
Time checkStopTime;
Time checkInterval;
uint32_t ueDeviceIndex;
uint32_t enbDeviceIndex;
CheckPointEvent (Time start, Time stop, Time interval, uint32_t ueIndex, uint32_t enbIndex)
: checkStartTime (start),
checkStopTime (stop),
checkInterval (interval),
ueDeviceIndex (ueIndex),
enbDeviceIndex (enbIndex)
{
}
};
class LteX2HandoverMeasuresTestCase : public TestCase
{
public:
/**
*
*
* \param nEnbs number of eNBs in the test
* \param nUes number of UEs in the test
* \param nDedicatedBearers number of bearers to be activated per UE
* \param checkPointEventList
* \param checkPointEventListName
* \param useUdp true if UDP is to be used, false if TCP is to be used
* \param schedulerType type of scheduler to be used (e.g. "ns3::PfFfMacScheduler")
* \param handoverAlgorithmType type of handover algorithm to be used (e.g. "ns3::A3RsrpHandoverAlgorithm")
* \param admitHo
* \param useIdealRrc true if ideal RRC is to be used, false if real RRC is to be used
*
* \return
*/
LteX2HandoverMeasuresTestCase (uint32_t nEnbs, uint32_t nUes, uint32_t nDedicatedBearers,
std::list<CheckPointEvent> checkPointEventList,
std::string checkPointEventListName,
bool useUdp, std::string schedulerType,
std::string handoverAlgorithmType, bool admitHo,
bool useIdealRrc);
private:
static std::string BuildNameString (uint32_t nEnbs, uint32_t nUes, uint32_t nDedicatedBearers,
std::string checkPointEventListName,
bool useUdp, std::string schedulerType,
std::string handoverAlgorithmType, bool admitHo,
bool useIdealRrc);
virtual void DoRun (void);
void CheckConnected (Ptr<NetDevice> ueDevice, Ptr<NetDevice> enbDevice);
uint32_t m_nEnbs; // number of eNBs in the test
uint32_t m_nUes; // number of UEs in the test
uint32_t m_nDedicatedBearers; // number of UEs in the test
std::list<CheckPointEvent> m_checkPointEventList;
std::string m_checkPointEventListName;
bool m_epc;
bool m_useUdp;
std::string m_schedulerType;
std::string m_handoverAlgorithmType;
bool m_admitHo;
bool m_useIdealRrc;
Ptr<LteHelper> m_lteHelper;
Ptr<PointToPointEpcHelper> m_epcHelper;
struct BearerData
{
uint32_t bid;
Ptr<PacketSink> dlSink;
Ptr<PacketSink> ulSink;
uint32_t dlOldTotalRx;
uint32_t ulOldTotalRx;
};
struct UeData
{
uint32_t id;
std::list<BearerData> bearerDataList;
};
void SaveStats (uint32_t ueIndex);
void CheckStats (uint32_t ueIndex);
std::vector<UeData> m_ueDataVector;
const Time m_maxHoDuration;
const Time m_statsDuration;
const Time m_udpClientInterval;
const uint32_t m_udpClientPktSize;
};
std::string
LteX2HandoverMeasuresTestCase::BuildNameString (uint32_t nEnbs, uint32_t nUes, uint32_t nDedicatedBearers,
std::string checkPointEventListName,
bool useUdp, std::string schedulerType,
std::string handoverAlgorithmType, bool admitHo,
bool useIdealRrc)
{
std::ostringstream oss;
oss << "nEnbs=" << nEnbs
<< " nUes=" << nUes
<< " nDedicatedBearers=" << nDedicatedBearers
<< " udp=" << useUdp
<< " " << schedulerType
<< " " << handoverAlgorithmType
<< " admitHo=" << admitHo
<< " hoList: " << checkPointEventListName;
if (useIdealRrc)
{
oss << ", ideal RRC";
}
else
{
oss << ", real RRC";
}
return oss.str ();
}
LteX2HandoverMeasuresTestCase::LteX2HandoverMeasuresTestCase (uint32_t nEnbs, uint32_t nUes, uint32_t nDedicatedBearers,
std::list<CheckPointEvent> checkPointEventList,
std::string checkPointEventListName,
bool useUdp, std::string schedulerType,
std::string handoverAlgorithmType, bool admitHo,
bool useIdealRrc)
: TestCase (BuildNameString (nEnbs, nUes, nDedicatedBearers,
checkPointEventListName, useUdp, schedulerType,
handoverAlgorithmType, admitHo, useIdealRrc)),
m_nEnbs (nEnbs),
m_nUes (nUes),
m_nDedicatedBearers (nDedicatedBearers),
m_checkPointEventList (checkPointEventList),
m_checkPointEventListName (checkPointEventListName),
m_epc (true),
m_useUdp (useUdp),
m_schedulerType (schedulerType),
m_handoverAlgorithmType (handoverAlgorithmType),
m_admitHo (admitHo),
m_useIdealRrc (useIdealRrc),
m_maxHoDuration (Seconds (0.1)),
m_statsDuration (Seconds (0.5)),
m_udpClientInterval (Seconds (0.01)),
m_udpClientPktSize (100)
{
}
void
LteX2HandoverMeasuresTestCase::DoRun ()
{
NS_LOG_FUNCTION (this << BuildNameString (m_nEnbs, m_nUes, m_nDedicatedBearers,
m_checkPointEventListName,
m_useUdp, m_schedulerType,
m_handoverAlgorithmType, m_admitHo,
m_useIdealRrc));
Config::Reset ();
Config::SetDefault ("ns3::UdpClient::Interval", TimeValue (m_udpClientInterval));
Config::SetDefault ("ns3::UdpClient::MaxPackets", UintegerValue (1000000));
Config::SetDefault ("ns3::UdpClient::PacketSize", UintegerValue (m_udpClientPktSize));
Config::SetDefault ("ns3::LteEnbRrc::HandoverJoiningTimeoutDuration", TimeValue (MilliSeconds (200)));
Config::SetDefault ("ns3::LteEnbPhy::TxPower", DoubleValue (20));
//Disable Uplink Power Control
Config::SetDefault ("ns3::LteUePhy::EnableUplinkPowerControl", BooleanValue (false));
int64_t stream = 1;
m_lteHelper = CreateObject<LteHelper> ();
m_lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
m_lteHelper->SetAttribute ("UseIdealRrc", BooleanValue (m_useIdealRrc));
m_lteHelper->SetSchedulerType (m_schedulerType);
if (m_handoverAlgorithmType == "ns3::A2A4RsrqHandoverAlgorithm")
{
m_lteHelper->SetHandoverAlgorithmType ("ns3::A2A4RsrqHandoverAlgorithm");
m_lteHelper->SetHandoverAlgorithmAttribute ("ServingCellThreshold",
UintegerValue (30));
m_lteHelper->SetHandoverAlgorithmAttribute ("NeighbourCellOffset",
UintegerValue (1));
}
else if (m_handoverAlgorithmType == "ns3::A3RsrpHandoverAlgorithm")
{
m_lteHelper->SetHandoverAlgorithmType ("ns3::A3RsrpHandoverAlgorithm");
m_lteHelper->SetHandoverAlgorithmAttribute ("Hysteresis",
DoubleValue (1.5));
m_lteHelper->SetHandoverAlgorithmAttribute ("TimeToTrigger",
TimeValue (MilliSeconds (128)));
}
else
{
NS_FATAL_ERROR ("Unknown handover algorithm " << m_handoverAlgorithmType);
}
double distance = 1000.0; // m
double speed = 150; // m/s
NodeContainer enbNodes;
enbNodes.Create (m_nEnbs);
NodeContainer ueNodes;
ueNodes.Create (m_nUes);
if (m_epc)
{
m_epcHelper = CreateObject<PointToPointEpcHelper> ();
m_lteHelper->SetEpcHelper (m_epcHelper);
}
// Install Mobility Model in eNBs
// eNBs are located along a line in the X axis
Ptr<ListPositionAllocator> enbPositionAlloc = CreateObject<ListPositionAllocator> ();
for (uint16_t i = 0; i < m_nEnbs; i++)
{
Vector enbPosition (distance * (i + 1), 0, 0);
enbPositionAlloc->Add (enbPosition);
}
MobilityHelper enbMobility;
enbMobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
enbMobility.SetPositionAllocator (enbPositionAlloc);
enbMobility.Install (enbNodes);
// Install Mobility Model in UE
// UE moves with a constant speed along the X axis
MobilityHelper ueMobility;
ueMobility.SetMobilityModel ("ns3::ConstantVelocityMobilityModel");
ueMobility.Install (ueNodes);
for (uint16_t i = 0; i < m_nUes; i++)
{
ueNodes.Get (i)->GetObject<MobilityModel> ()->SetPosition (Vector (0, 0, 0));
ueNodes.Get (i)->GetObject<ConstantVelocityMobilityModel> ()->SetVelocity (Vector (speed, 0, 0));
}
NetDeviceContainer enbDevices;
enbDevices = m_lteHelper->InstallEnbDevice (enbNodes);
stream += m_lteHelper->AssignStreams (enbDevices, stream);
for (NetDeviceContainer::Iterator it = enbDevices.Begin ();
it != enbDevices.End ();
++it)
{
Ptr<LteEnbRrc> enbRrc = (*it)->GetObject<LteEnbNetDevice> ()->GetRrc ();
enbRrc->SetAttribute ("AdmitHandoverRequest", BooleanValue (m_admitHo));
}
NetDeviceContainer ueDevices;
ueDevices = m_lteHelper->InstallUeDevice (ueNodes);
stream += m_lteHelper->AssignStreams (ueDevices, stream);
Ipv4Address remoteHostAddr;
Ipv4StaticRoutingHelper ipv4RoutingHelper;
Ipv4InterfaceContainer ueIpIfaces;
Ptr<Node> remoteHost;
if (m_epc)
{
// Create a single RemoteHost
NodeContainer remoteHostContainer;
remoteHostContainer.Create (1);
remoteHost = remoteHostContainer.Get (0);
InternetStackHelper internet;
internet.Install (remoteHostContainer);
// Create the Internet
PointToPointHelper p2ph;
p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s")));
p2ph.SetDeviceAttribute ("Mtu", UintegerValue (1500));
p2ph.SetChannelAttribute ("Delay", TimeValue (Seconds (0.010)));
Ptr<Node> pgw = m_epcHelper->GetPgwNode ();
NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost);
Ipv4AddressHelper ipv4h;
ipv4h.SetBase ("1.0.0.0", "255.0.0.0");
Ipv4InterfaceContainer internetIpIfaces = ipv4h.Assign (internetDevices);
// in this container, interface 0 is the pgw, 1 is the remoteHost
remoteHostAddr = internetIpIfaces.GetAddress (1);
Ipv4StaticRoutingHelper ipv4RoutingHelper;
Ptr<Ipv4StaticRouting> remoteHostStaticRouting = ipv4RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv4> ());
remoteHostStaticRouting->AddNetworkRouteTo (Ipv4Address ("7.0.0.0"), Ipv4Mask ("255.0.0.0"), 1);
// Install the IP stack on the UEs
internet.Install (ueNodes);
ueIpIfaces = m_epcHelper->AssignUeIpv4Address (NetDeviceContainer (ueDevices));
}
// attachment (needs to be done after IP stack configuration)
// all UEs attached to eNB 0 at the beginning
m_lteHelper->Attach (ueDevices, enbDevices.Get (0));
if (m_epc)
{
bool epcDl = true;
bool epcUl = false;
// the rest of this block is copied from lena-dual-stripe
// Install and start applications on UEs and remote host
uint16_t dlPort = 10000;
uint16_t ulPort = 20000;
// randomize a bit start times to avoid simulation artifacts
// (e.g., buffer overflows due to packet transmissions happening
// exactly at the same time)
Ptr<UniformRandomVariable> startTimeSeconds = CreateObject<UniformRandomVariable> ();
startTimeSeconds->SetAttribute ("Min", DoubleValue (0));
startTimeSeconds->SetAttribute ("Max", DoubleValue (0.010));
startTimeSeconds->SetStream (stream++);
for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
{
Ptr<Node> ue = ueNodes.Get (u);
// Set the default gateway for the UE
Ptr<Ipv4StaticRouting> ueStaticRouting = ipv4RoutingHelper.GetStaticRouting (ue->GetObject<Ipv4> ());
ueStaticRouting->SetDefaultRoute (m_epcHelper->GetUeDefaultGatewayAddress (), 1);
UeData ueData;
for (uint32_t b = 0; b < m_nDedicatedBearers; ++b)
{
++dlPort;
++ulPort;
ApplicationContainer clientApps;
ApplicationContainer serverApps;
BearerData bearerData;
if (m_useUdp)
{
if (epcDl)
{
UdpClientHelper dlClientHelper (ueIpIfaces.GetAddress (u), dlPort);
clientApps.Add (dlClientHelper.Install (remoteHost));
PacketSinkHelper dlPacketSinkHelper ("ns3::UdpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), dlPort));
ApplicationContainer sinkContainer = dlPacketSinkHelper.Install (ue);
bearerData.dlSink = sinkContainer.Get (0)->GetObject<PacketSink> ();
serverApps.Add (sinkContainer);
}
if (epcUl)
{
UdpClientHelper ulClientHelper (remoteHostAddr, ulPort);
clientApps.Add (ulClientHelper.Install (ue));
PacketSinkHelper ulPacketSinkHelper ("ns3::UdpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), ulPort));
ApplicationContainer sinkContainer = ulPacketSinkHelper.Install (remoteHost);
bearerData.ulSink = sinkContainer.Get (0)->GetObject<PacketSink> ();
serverApps.Add (sinkContainer);
}
}
else // use TCP
{
if (epcDl)
{
BulkSendHelper dlClientHelper ("ns3::TcpSocketFactory",
InetSocketAddress (ueIpIfaces.GetAddress (u), dlPort));
dlClientHelper.SetAttribute ("MaxBytes", UintegerValue (0));
clientApps.Add (dlClientHelper.Install (remoteHost));
PacketSinkHelper dlPacketSinkHelper ("ns3::TcpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), dlPort));
ApplicationContainer sinkContainer = dlPacketSinkHelper.Install (ue);
bearerData.dlSink = sinkContainer.Get (0)->GetObject<PacketSink> ();
serverApps.Add (sinkContainer);
}
if (epcUl)
{
BulkSendHelper ulClientHelper ("ns3::TcpSocketFactory",
InetSocketAddress (remoteHostAddr, ulPort));
ulClientHelper.SetAttribute ("MaxBytes", UintegerValue (0));
clientApps.Add (ulClientHelper.Install (ue));
PacketSinkHelper ulPacketSinkHelper ("ns3::TcpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), ulPort));
ApplicationContainer sinkContainer = ulPacketSinkHelper.Install (remoteHost);
bearerData.ulSink = sinkContainer.Get (0)->GetObject<PacketSink> ();
serverApps.Add (sinkContainer);
}
} // end if (useUdp)
Ptr<EpcTft> tft = Create<EpcTft> ();
if (epcDl)
{
EpcTft::PacketFilter dlpf;
dlpf.localPortStart = dlPort;
dlpf.localPortEnd = dlPort;
tft->Add (dlpf);
}
if (epcUl)
{
EpcTft::PacketFilter ulpf;
ulpf.remotePortStart = ulPort;
ulpf.remotePortEnd = ulPort;
tft->Add (ulpf);
}
if (epcDl || epcUl)
{
EpsBearer bearer (EpsBearer::NGBR_VIDEO_TCP_DEFAULT);
m_lteHelper->ActivateDedicatedEpsBearer (ueDevices.Get (u), bearer, tft);
}
Time startTime = Seconds (startTimeSeconds->GetValue ());
serverApps.Start (startTime);
clientApps.Start (startTime);
ueData.bearerDataList.push_back (bearerData);
} // end for b
m_ueDataVector.push_back (ueData);
}
}
else // (epc == false)
{
// for radio bearer activation purposes, consider together home UEs and macro UEs
for (uint32_t u = 0; u < ueDevices.GetN (); ++u)
{
Ptr<NetDevice> ueDev = ueDevices.Get (u);
for (uint32_t b = 0; b < m_nDedicatedBearers; ++b)
{
enum EpsBearer::Qci q = EpsBearer::NGBR_VIDEO_TCP_DEFAULT;
EpsBearer bearer (q);
m_lteHelper->ActivateDataRadioBearer (ueDev, bearer);
}
}
}
m_lteHelper->AddX2Interface (enbNodes);
// check initial RRC connection
const Time maxRrcConnectionEstablishmentDuration = Seconds (0.080);
for (NetDeviceContainer::Iterator it = ueDevices.Begin (); it != ueDevices.End (); ++it)
{
NS_LOG_FUNCTION (maxRrcConnectionEstablishmentDuration);
Simulator::Schedule (maxRrcConnectionEstablishmentDuration,
&LteX2HandoverMeasuresTestCase::CheckConnected,
this, *it, enbDevices.Get (0));
}
// schedule the checkpoint events
Time stopTime = Seconds (0);
for (std::list<CheckPointEvent>::iterator checkPointEventIt = m_checkPointEventList.begin ();
checkPointEventIt != m_checkPointEventList.end ();
++checkPointEventIt)
{
for (Time checkPointTime = checkPointEventIt->checkStartTime;
checkPointTime < checkPointEventIt->checkStopTime;
checkPointTime += checkPointEventIt->checkInterval)
{
Simulator::Schedule (checkPointTime, &LteX2HandoverMeasuresTestCase::CheckConnected,
this, ueDevices.Get (checkPointEventIt->ueDeviceIndex),
enbDevices.Get (checkPointEventIt->enbDeviceIndex));
Time saveStatsTime = checkPointTime;
Simulator::Schedule (saveStatsTime, &LteX2HandoverMeasuresTestCase::SaveStats,
this, checkPointEventIt->ueDeviceIndex);
Time checkStats = saveStatsTime + m_statsDuration;
Simulator::Schedule (checkStats, &LteX2HandoverMeasuresTestCase::CheckStats,
this, checkPointEventIt->ueDeviceIndex);
if (stopTime <= checkStats)
{
stopTime = checkStats + Seconds (1);
}
}
}
Simulator::Stop (stopTime);
Simulator::Run ();
Simulator::Destroy ();
}
void
LteX2HandoverMeasuresTestCase::CheckConnected (Ptr<NetDevice> ueDevice, Ptr<NetDevice> enbDevice)
{
NS_LOG_FUNCTION (ueDevice << enbDevice);
Ptr<LteUeNetDevice> ueLteDevice = ueDevice->GetObject<LteUeNetDevice> ();
Ptr<LteUeRrc> ueRrc = ueLteDevice->GetRrc ();
NS_TEST_ASSERT_MSG_EQ (ueRrc->GetState (), LteUeRrc::CONNECTED_NORMALLY, "Wrong LteUeRrc state!");
Ptr<LteEnbNetDevice> enbLteDevice = enbDevice->GetObject<LteEnbNetDevice> ();
Ptr<LteEnbRrc> enbRrc = enbLteDevice->GetRrc ();
uint16_t rnti = ueRrc->GetRnti ();
Ptr<UeManager> ueManager = enbRrc->GetUeManager (rnti);
NS_TEST_ASSERT_MSG_NE (ueManager, 0, "RNTI " << rnti << " not found in eNB");
UeManager::State ueManagerState = ueManager->GetState ();
NS_TEST_ASSERT_MSG_EQ (ueManagerState, UeManager::CONNECTED_NORMALLY, "Wrong UeManager state!");
NS_ASSERT_MSG (ueManagerState == UeManager::CONNECTED_NORMALLY, "Wrong UeManager state!");
uint16_t ueCellId = ueRrc->GetCellId ();
uint16_t enbCellId = enbLteDevice->GetCellId ();
uint8_t ueDlBandwidth = ueRrc->GetDlBandwidth ();
uint8_t enbDlBandwidth = enbLteDevice->GetDlBandwidth ();
uint8_t ueUlBandwidth = ueRrc->GetUlBandwidth ();
uint8_t enbUlBandwidth = enbLteDevice->GetUlBandwidth ();
uint8_t ueDlEarfcn = ueRrc->GetDlEarfcn ();
uint8_t enbDlEarfcn = enbLteDevice->GetDlEarfcn ();
uint8_t ueUlEarfcn = ueRrc->GetUlEarfcn ();
uint8_t enbUlEarfcn = enbLteDevice->GetUlEarfcn ();
uint64_t ueImsi = ueLteDevice->GetImsi ();
uint64_t enbImsi = ueManager->GetImsi ();
NS_TEST_ASSERT_MSG_EQ (ueImsi, enbImsi, "inconsistent IMSI");
NS_TEST_ASSERT_MSG_EQ (ueCellId, enbCellId, "inconsistent CellId");
NS_TEST_ASSERT_MSG_EQ (ueDlBandwidth, enbDlBandwidth, "inconsistent DlBandwidth");
NS_TEST_ASSERT_MSG_EQ (ueUlBandwidth, enbUlBandwidth, "inconsistent UlBandwidth");
NS_TEST_ASSERT_MSG_EQ (ueDlEarfcn, enbDlEarfcn, "inconsistent DlEarfcn");
NS_TEST_ASSERT_MSG_EQ (ueUlEarfcn, enbUlEarfcn, "inconsistent UlEarfcn");
ObjectMapValue enbDataRadioBearerMapValue;
ueManager->GetAttribute ("DataRadioBearerMap", enbDataRadioBearerMapValue);
NS_TEST_ASSERT_MSG_EQ (enbDataRadioBearerMapValue.GetN (), m_nDedicatedBearers + 1, "wrong num bearers at eNB");
ObjectMapValue ueDataRadioBearerMapValue;
ueRrc->GetAttribute ("DataRadioBearerMap", ueDataRadioBearerMapValue);
NS_TEST_ASSERT_MSG_EQ (ueDataRadioBearerMapValue.GetN (), m_nDedicatedBearers + 1, "wrong num bearers at UE");
ObjectMapValue::Iterator enbBearerIt = enbDataRadioBearerMapValue.Begin ();
ObjectMapValue::Iterator ueBearerIt = ueDataRadioBearerMapValue.Begin ();
while (enbBearerIt != enbDataRadioBearerMapValue.End ()
&& ueBearerIt != ueDataRadioBearerMapValue.End ())
{
Ptr<LteDataRadioBearerInfo> enbDrbInfo = enbBearerIt->second->GetObject<LteDataRadioBearerInfo> ();
Ptr<LteDataRadioBearerInfo> ueDrbInfo = ueBearerIt->second->GetObject<LteDataRadioBearerInfo> ();
//NS_TEST_ASSERT_MSG_EQ (enbDrbInfo->m_epsBearer, ueDrbInfo->m_epsBearer, "epsBearer differs");
NS_TEST_ASSERT_MSG_EQ ((uint32_t) enbDrbInfo->m_epsBearerIdentity, (uint32_t) ueDrbInfo->m_epsBearerIdentity, "epsBearerIdentity differs");
NS_TEST_ASSERT_MSG_EQ ((uint32_t) enbDrbInfo->m_drbIdentity, (uint32_t) ueDrbInfo->m_drbIdentity, "drbIdentity differs");
//NS_TEST_ASSERT_MSG_EQ (enbDrbInfo->m_rlcConfig, ueDrbInfo->m_rlcConfig, "rlcConfig differs");
NS_TEST_ASSERT_MSG_EQ ((uint32_t) enbDrbInfo->m_logicalChannelIdentity, (uint32_t) ueDrbInfo->m_logicalChannelIdentity, "logicalChannelIdentity differs");
//NS_TEST_ASSERT_MSG_EQ (enbDrbInfo->m_logicalChannelConfig, ueDrbInfo->m_logicalChannelConfig, "logicalChannelConfig differs");
++enbBearerIt;
++ueBearerIt;
}
NS_ASSERT_MSG (enbBearerIt == enbDataRadioBearerMapValue.End (), "too many bearers at eNB");
NS_ASSERT_MSG (ueBearerIt == ueDataRadioBearerMapValue.End (), "too many bearers at UE");
}
void
LteX2HandoverMeasuresTestCase::SaveStats (uint32_t ueIndex)
{
NS_LOG_FUNCTION (ueIndex);
for (std::list<BearerData>::iterator it = m_ueDataVector.at (ueIndex).bearerDataList.begin ();
it != m_ueDataVector.at (ueIndex).bearerDataList.end ();
++it)
{
if (it->dlSink)
{
it->dlOldTotalRx = it->dlSink->GetTotalRx ();
}
if (it->ulSink)
{
it->ulOldTotalRx = it->ulSink->GetTotalRx ();
}
}
}
void
LteX2HandoverMeasuresTestCase::CheckStats (uint32_t ueIndex)
{
NS_LOG_FUNCTION (ueIndex);
uint32_t b = 1;
for (std::list<BearerData>::iterator it = m_ueDataVector.at (ueIndex).bearerDataList.begin ();
it != m_ueDataVector.at (ueIndex).bearerDataList.end ();
++it)
{
uint32_t dlRx = 0;
uint32_t ulRx = 0;
if (it->dlSink)
{
dlRx = it->dlSink->GetTotalRx () - it->dlOldTotalRx;
}
if (it->ulSink)
{
ulRx = it->ulSink->GetTotalRx () - it->ulOldTotalRx;
}
double expectedBytes = m_udpClientPktSize * (m_statsDuration.GetSeconds () / m_udpClientInterval.GetSeconds ());
NS_LOG_LOGIC ("expBytes " << expectedBytes << " dlRx " << dlRx << " ulRx " << ulRx);
// tolerance
if (it->dlSink)
{
NS_TEST_ASSERT_MSG_GT (dlRx, 0.500 * expectedBytes, "too few RX bytes in DL, ue=" << ueIndex << ", b=" << b);
}
if (it->ulSink)
{
NS_TEST_ASSERT_MSG_GT (ulRx, 0.500 * expectedBytes, "too few RX bytes in UL, ue=" << ueIndex << ", b=" << b);
}
++b;
}
}
class LteX2HandoverMeasuresTestSuite : public TestSuite
{
public:
LteX2HandoverMeasuresTestSuite ();
};
LteX2HandoverMeasuresTestSuite::LteX2HandoverMeasuresTestSuite ()
: TestSuite ("lte-x2-handover-measures", SYSTEM)
{
Time checkInterval = Seconds (1);
std::string cel1name ("ho: 0 -> 1");
std::list<CheckPointEvent> cel1;
cel1.push_back (CheckPointEvent (Seconds (1), Seconds (10.1), checkInterval, 0, 0));
cel1.push_back (CheckPointEvent (Seconds (11), Seconds (17), checkInterval, 0, 1));
std::string cel2name ("ho: 0 -> 1 -> 2");
std::list<CheckPointEvent> cel2;
cel2.push_back (CheckPointEvent (Seconds (1), Seconds (10.1), checkInterval, 0, 0));
cel2.push_back (CheckPointEvent (Seconds (11), Seconds (17.1), checkInterval, 0, 1));
cel2.push_back (CheckPointEvent (Seconds (18), Seconds (24), checkInterval, 0, 2));
std::string cel3name ("ho: 0 -> 1 -> 2 -> 3");
std::list<CheckPointEvent> cel3;
cel3.push_back (CheckPointEvent (Seconds (1), Seconds (10.1), checkInterval, 0, 0));
cel3.push_back (CheckPointEvent (Seconds (11), Seconds (17.1), checkInterval, 0, 1));
cel3.push_back (CheckPointEvent (Seconds (18), Seconds (24.1), checkInterval, 0, 2));
cel3.push_back (CheckPointEvent (Seconds (25), Seconds (37), checkInterval, 0, 3));
int32_t useIdealRrc;
std::string sched = "ns3::PfFfMacScheduler";
std::string ho = "ns3::A2A4RsrqHandoverAlgorithm";
for (useIdealRrc = 1; useIdealRrc >= 0; --useIdealRrc)
{
// nEnbs, nUes, nDBearers, celist, name, useUdp, sched, ho, admitHo, idealRrc
AddTestCase (new LteX2HandoverMeasuresTestCase (2, 1, 0, cel1, cel1name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
AddTestCase (new LteX2HandoverMeasuresTestCase (2, 1, 1, cel1, cel1name, true, sched, ho, true, useIdealRrc), TestCase::QUICK);
AddTestCase (new LteX2HandoverMeasuresTestCase (2, 1, 2, cel1, cel1name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
AddTestCase (new LteX2HandoverMeasuresTestCase (3, 1, 0, cel2, cel2name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
AddTestCase (new LteX2HandoverMeasuresTestCase (3, 1, 1, cel2, cel2name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
AddTestCase (new LteX2HandoverMeasuresTestCase (3, 1, 2, cel2, cel2name, true, sched, ho, true, useIdealRrc), TestCase::EXTENSIVE);
AddTestCase (new LteX2HandoverMeasuresTestCase (4, 1, 0, cel3, cel3name, true, sched, ho, true, useIdealRrc), TestCase::EXTENSIVE);
AddTestCase (new LteX2HandoverMeasuresTestCase (4, 1, 1, cel3, cel3name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
AddTestCase (new LteX2HandoverMeasuresTestCase (4, 1, 2, cel3, cel3name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
}
sched = "ns3::RrFfMacScheduler";
for (useIdealRrc = 1; useIdealRrc >= 0; --useIdealRrc)
{
// nEnbs, nUes, nDBearers, celist, name, useUdp, sched, admitHo, idealRrc
AddTestCase (new LteX2HandoverMeasuresTestCase (2, 1, 0, cel1, cel1name, true, sched, ho, true, useIdealRrc), TestCase::EXTENSIVE);
AddTestCase (new LteX2HandoverMeasuresTestCase (3, 1, 0, cel2, cel2name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
AddTestCase (new LteX2HandoverMeasuresTestCase (4, 1, 0, cel3, cel3name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
}
ho = "ns3::A3RsrpHandoverAlgorithm";
sched = "ns3::PfFfMacScheduler";
for (useIdealRrc = 1; useIdealRrc >= 0; --useIdealRrc)
{
// nEnbs, nUes, nDBearers, celist, name, useUdp, sched, admitHo, idealRrc
AddTestCase (new LteX2HandoverMeasuresTestCase (2, 1, 0, cel1, cel1name, true, sched, ho, true, useIdealRrc), TestCase::EXTENSIVE);
AddTestCase (new LteX2HandoverMeasuresTestCase (3, 1, 0, cel2, cel2name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
AddTestCase (new LteX2HandoverMeasuresTestCase (4, 1, 0, cel3, cel3name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
}
sched = "ns3::RrFfMacScheduler";
for (useIdealRrc = 1; useIdealRrc >= 0; --useIdealRrc)
{
// nEnbs, nUes, nDBearers, celist, name, useUdp, sched, admitHo, idealRrc
AddTestCase (new LteX2HandoverMeasuresTestCase (2, 1, 0, cel1, cel1name, true, sched, ho, true, useIdealRrc), TestCase::QUICK);
AddTestCase (new LteX2HandoverMeasuresTestCase (3, 1, 0, cel2, cel2name, true, sched, ho, true, useIdealRrc), TestCase::TAKES_FOREVER);
AddTestCase (new LteX2HandoverMeasuresTestCase (4, 1, 0, cel3, cel3name, true, sched, ho, true, useIdealRrc), TestCase::EXTENSIVE);
}
} // end of LteX2HandoverMeasuresTestSuite ()
static LteX2HandoverMeasuresTestSuite g_lteX2HandoverMeasuresTestSuiteInstance;