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LtePathlossModelTestSuite on-going work

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This commit is contained in:
Marco Miozzo
2011-07-12 17:21:24 +02:00
parent 067b58c29d
commit db5fc4fa9b
2 changed files with 36 additions and 10 deletions
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9
src/lte/test/lte-test-pathloss-model.cc
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@@ -38,6 +38,7 @@
#include <ns3/single-model-spectrum-channel.h>
#include "ns3/string.h"
#include "ns3/double.h"
#include <ns3/building.h>
NS_LOG_COMPONENT_DEFINE ("LtePathlossModelTest");
@@ -86,11 +87,13 @@ LtePathlossModelTestSuite::LtePathlossModelTestSuite ()
Ptr<BuildingsMobilityModel> mm1 = enbNodes.Get (0)->GetObject<BuildingsMobilityModel> ();
mm1->SetPosition (Vector (0.0, 0.0, 0.0));
mm1->SetPosition (Vector (0.0, 0.0, 1.0));
mm1->SetOutdoor ();
Ptr<BuildingsMobilityModel> mm2 = ueNodes.Get (0)->GetObject<BuildingsMobilityModel> ();
mm2->SetPosition (Vector (10.0, 0.0, 0.0));
mm2->SetOutdoor ();
mm2->SetPosition (Vector (1010.0, 0.0, 1.0));
//Ptr<Building> building = Create<Building> (0.0, 10.0, 0.0, 10.0, 0.0, 20.0, 1, 1, 1);
Ptr<Building> building = Create<Building> ();
mm2->SetIndoor (building);
double thrLoss = 0.0;
AddTestCase (new LtePathlossModelTestCase (mm1, mm2, thrLoss, "loss = ??"));

37
src/propagation/model/buildings-propagation-loss-model.cc
View File

@@ -55,11 +55,19 @@ BuildingsPropagationLossModel::GetTypeId (void)
DoubleValue (2.3e9),
MakeDoubleAccessor (&BuildingsPropagationLossModel::m_frequency),
MakeDoubleChecker<double> ())
.AddAttribute ("RooftopLevel",
" The height of the rooftop [m].",
DoubleValue (30.0),
MakeDoubleAccessor (&BuildingsPropagationLossModel::m_rooftopThreshold),
MakeDoubleChecker<double> ())
.AddAttribute ("MinDistance",
"The distance under which the propagation model refuses to give results (m) ",
DoubleValue (0.5),
MakeDoubleAccessor (&BuildingsPropagationLossModel::SetMinDistance, &BuildingsPropagationLossModel::GetMinDistance),
MakeDoubleChecker<double> ());
return tid;
}
@@ -119,7 +127,7 @@ BuildingsPropagationLossModel::OkumuraHata (Ptr<BuildingsMobilityModel> a, Ptr<B
{
// Hp: a is the rooftop antenna (from GetLoss logic)
double loss = 0.0;
if (m_frequency<=1500)
if (m_frequency<=1.500e9)
{
// standard Okumura Hata (from wikipedia)
double log_f = log10 (m_frequency);
@@ -153,7 +161,7 @@ BuildingsPropagationLossModel::OkumuraHata (Ptr<BuildingsMobilityModel> a, Ptr<B
}
}
else if (m_frequency <= 2170) // max 3GPP freq EUTRA band #1
else if (m_frequency <= 2.170e9) // max 3GPP freq EUTRA band #1
{
// COST 231 Okumura model
double log_f = log10 (m_frequency);
@@ -170,7 +178,7 @@ BuildingsPropagationLossModel::OkumuraHata (Ptr<BuildingsMobilityModel> a, Ptr<B
loss = 46.3 + (33.9 * log_f) - log_aHeight + (((44.9 - (6.55 * log_f) ))*log10 (a->GetDistanceFrom (b))) - log_bHeight;
}
else if (m_frequency <= 2690) // max 3GPP freq EUTRA band #1
else if (m_frequency <= 2.690e9) // max 3GPP freq EUTRA band #1
{
// Empirical model from
// "Path Loss Models for Suburban Scenario at 2.3GHz, 2.6GHz and 3.5GHz"
@@ -192,7 +200,7 @@ BuildingsPropagationLossModel::ItuR1411 (Ptr<BuildingsMobilityModel> a, Ptr<Buil
double pi = 3.141592653589793;
double Lbp = 20*log10(m_lambda*m_lambda/(8*pi*a->GetPosition ().z*b->GetPosition ().z));
double Rbp = (4 * a->GetPosition ().z * b->GetPosition ().z) / m_lambda;
// NS_LOG_INFO (this << " Lbp " << Lbp << " Rbp " << Rbp);
if (dist <= Rbp)
{
lossLow = Lbp + 20*log10(dist/Rbp);
@@ -204,7 +212,7 @@ BuildingsPropagationLossModel::ItuR1411 (Ptr<BuildingsMobilityModel> a, Ptr<Buil
lossUp = Lbp + 20 + 40*log10(dist/Rbp);
}
double loss = (lossUp + lossLow) / 2; // CHECK!!!
double loss = (lossUp + lossLow) / 2;
return (loss);
}
@@ -282,6 +290,7 @@ BuildingsPropagationLossModel::GetLoss (Ptr<MobilityModel> a, Ptr<MobilityModel>
Ptr<BuildingsMobilityModel> b1 = DynamicCast<BuildingsMobilityModel> (b);
double loss = 0.0;
NS_LOG_INFO (this << " rooftop " << m_rooftopThreshold);
if (a1->IsOutdoor ())
{
@@ -289,10 +298,12 @@ BuildingsPropagationLossModel::GetLoss (Ptr<MobilityModel> a, Ptr<MobilityModel>
{
if (distance > 1000)
{
if (a1->GetPosition ().z > m_rooftopThreshold)
if ((a1->GetPosition ().z > m_rooftopThreshold)
|| (b1->GetPosition ().z > m_rooftopThreshold))
{
// Over the rooftop tranmission -> Okumura Hata
loss = OkumuraHata (a1, b1);
NS_LOG_INFO (this << " O-O (>1000): Over the rooftop -> OH : " << loss);
}
else
{
@@ -300,12 +311,14 @@ BuildingsPropagationLossModel::GetLoss (Ptr<MobilityModel> a, Ptr<MobilityModel>
// short range outdoor communication within street canyon
loss = ItuR1411 (a1, b1);
NS_LOG_INFO (this << " 0-0 (>1000): down rooftop -> ITUR1411 : " << loss);
}
}
else
{
// short range outdoor communication within street canyon
loss = ItuR1411 (a1, b1);
NS_LOG_INFO (this << " 0-0 (<1000) Street canyon -> ITUR1411 : " << loss);
}
}
else
@@ -314,10 +327,12 @@ BuildingsPropagationLossModel::GetLoss (Ptr<MobilityModel> a, Ptr<MobilityModel>
if (distance > 1000)
{
loss = OkumuraHata (a1, b1) + BEWPL(b1);
NS_LOG_INFO (this << " 0-I (>1000) OH + BEL : " << loss);
}
else
{
loss = ItuR1411 (a1, b1) + BEWPL(b1);
NS_LOG_INFO (this << " 0-I (<1000) ITUR1411 + BEL : " << loss);
}
} // end b1->isIndoor ()
}
@@ -330,10 +345,14 @@ BuildingsPropagationLossModel::GetLoss (Ptr<MobilityModel> a, Ptr<MobilityModel>
{
// nodes are in same building -> indoor communication ITU-R P.1238
loss = ItuR1238 (a1, b1);
NS_LOG_INFO (this << " I-I (same building) ITUR1238 + BEL : " << loss);
}
else
{
// nodes are in different buildings
loss = ItuR1411 (a1, b1) + BEWPL(a1) + BEWPL(b1);
NS_LOG_INFO (this << " I-I (different) ITUR1238 + BEL : " << loss);
}
}
else
@@ -341,18 +360,22 @@ BuildingsPropagationLossModel::GetLoss (Ptr<MobilityModel> a, Ptr<MobilityModel>
// b is outdoor
if (distance > 1000)
{
if (b1->GetPosition ().z > m_rooftopThreshold)
if ((a1->GetPosition ().z > m_rooftopThreshold)
|| (b1->GetPosition ().z > m_rooftopThreshold))
{
loss = OkumuraHata (a1, b1) + BEWPL(a1);
NS_LOG_INFO (this << " I-0 (>1000) over rooftop OH + BEL : " << loss);
}
else
{
loss = ItuR1411 (a1, b1) + BEWPL(a1);
NS_LOG_INFO (this << " I-0 (>1000) down rooftop ITUR1411 + BEL : " << loss);
}
}
else
{
loss = ItuR1411 (a1, b1) + BEWPL(a1);
NS_LOG_INFO (this << " I-0 (<1000) ITUR1411 + BEL : " << loss);
}
} // end b1->IsIndoor ()
} // end a1->IsOutdoor ()