mirror of
https://gitlab.ibr.cs.tu-bs.de/tschuber/ns-3-leo.git
synced 2025-06-08 01:53:58 +02:00
More fixes on propagation model
This commit is contained in:
Tim Schubert
parent
ad22221f42
commit
df97dfa3e4
4 changed files with 71 additions and 88 deletions
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@ -74,17 +74,18 @@ int main (int argc, char *argv[])
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// Install internet stack on nodes
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AodvHelper aodv;
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aodv.Set ("HelloInterval", TimeValue (Seconds (1)));
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aodv.Set ("TtlStart", UintegerValue (10));
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aodv.Set ("TtlIncrement", UintegerValue (10));
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aodv.Set ("TtlThreshold", UintegerValue (100));
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aodv.Set ("RreqRetries", UintegerValue (100));
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aodv.Set ("RreqRateLimit", UintegerValue (10));
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aodv.Set ("RerrRateLimit", UintegerValue (10));
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aodv.Set ("ActiveRouteTimeout", TimeValue (Minutes (1)));
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aodv.Set ("NextHopWait", TimeValue (MilliSeconds (200)));
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aodv.Set ("NetDiameter", UintegerValue (1000));
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aodv.Set ("PathDiscoveryTime", TimeValue (Seconds (1)));
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//aodv.Set ("HelloInterval", TimeValue (Minutes (1)));
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aodv.Set ("TtlStart", UintegerValue (5));
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aodv.Set ("TtlIncrement", UintegerValue (5));
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aodv.Set ("TtlThreshold", UintegerValue (200));
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aodv.Set ("RreqRetries", UintegerValue (1000));
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aodv.Set ("RreqRateLimit", UintegerValue (100));
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//aodv.Set ("RerrRateLimit", UintegerValue (1));
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//aodv.Set ("ActiveRouteTimeout", TimeValue (Minutes (1)));
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//aodv.Set ("NextHopWait", TimeValue (MilliSeconds (200)));
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aodv.Set ("NetDiameter", UintegerValue (100));
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//aodv.Set ("AllowedHelloLoss", UintegerValue (10000));
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//aodv.Set ("PathDiscoveryTime", TimeValue (Seconds (1)));
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InternetStackHelper stack;
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stack.SetRoutingHelper (aodv);
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@ -107,8 +108,8 @@ int main (int argc, char *argv[])
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Address remote = stations.Get (1)->GetObject<Ipv4> ()->GetAddress (1, 0).GetLocal ();//utIp.GetAddress (1, 0);
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std::cout << "REMOTE=" << Ipv4Address::ConvertFrom (remote);
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UdpClientHelper echoClient (remote, 9);
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echoClient.SetAttribute ("MaxPackets", UintegerValue (360));
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echoClient.SetAttribute ("Interval", TimeValue (Seconds (10.0)));
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echoClient.SetAttribute ("MaxPackets", UintegerValue (60));
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echoClient.SetAttribute ("Interval", TimeValue (Seconds (1)));
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echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
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clientApps.Add (echoClient.Install (stations.Get (3)));
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@ -118,9 +119,11 @@ int main (int argc, char *argv[])
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std::cout << "Context,Sequence Number,Timestamp,Delay" << std::endl;
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serverApps.Start (Seconds (1));
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clientApps.Start (Seconds (2));
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clientApps.Start (Seconds (1));
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serverApps.Stop (Minutes (1));
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clientApps.Stop (Minutes (1));
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Simulator::Stop (Minutes (60));
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Simulator::Stop (Minutes (1));
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Simulator::Run ();
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Simulator::Destroy ();
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@ -1,29 +1,8 @@
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2005,2006,2007 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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* Contributions: Timo Bingmann <timo.bingmann@student.kit.edu>
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* Contributions: Gary Pei <guangyu.pei@boeing.com> for fixed RSS
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* Contributions: Tom Hewer <tomhewer@mac.com> for two ray ground model
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* Pavel Boyko <boyko@iitp.ru> for matrix
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*/
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#include "ns3/log.h"
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#include "ns3/mobility-model.h"
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#include "ns3/double.h"
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#include "math.h"
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#include "isl-propagation-loss-model.h"
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@ -41,6 +20,12 @@ IslPropagationLossModel::GetTypeId (void)
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.SetParent<PropagationLossModel> ()
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.SetGroupName ("Leo")
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.AddConstructor<IslPropagationLossModel> ()
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.AddAttribute ("MaxDistance",
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"Cut-off distance for signal propagation",
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DoubleValue (1000.0),
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MakeDoubleAccessor (&IslPropagationLossModel::SetCutoffDistance,
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&IslPropagationLossModel::GetCutoffDistance),
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MakeDoubleChecker<double> ())
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;
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return tid;
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}
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@ -53,33 +38,30 @@ IslPropagationLossModel::~IslPropagationLossModel ()
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{
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}
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const double
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IslPropagationLossModel::EARTH_RAD_E6 = 6.371;
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bool
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IslPropagationLossModel::GetLos (Ptr<MobilityModel> a, Ptr<MobilityModel> b)
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IslPropagationLossModel::GetLos (Ptr<MobilityModel> moda, Ptr<MobilityModel> modb)
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{
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// origin of LOS
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Vector3D o = a->GetPosition ();
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o = Vector3D (o.x / 1e6, o.y / 1e6, o.z / 1e6);
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double ol = o.GetLength ();
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Vector3D oc = moda->GetPosition ();
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Vector3D bp = modb->GetPosition ();
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// second point of LOS
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Vector3D bp = b->GetPosition ();
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bp = Vector3D (bp.x / 1e6, bp.y / 1e6, bp.z / 1e6);
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// unit vector
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Vector3D u = Vector3D (o.x-bp.x, o.y-bp.y, o.z-bp.z);
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// direction unit vector
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Vector3D u = Vector3D (bp.x - oc.x, bp.y - oc.y, bp.z - oc.z);
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u = Vector3D (u.x / u.GetLength (), u.y / u.GetLength (), u.z / u.GetLength ());
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// center point of sphere is 0
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double uo = (u.x*o.x) + (u.y*o.y) + (u.z*o.z);
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double delta = (uo*uo) - (ol*ol - (EARTH_RAD_E6*EARTH_RAD_E6));
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double a = u.x*u.x + u.y*u.y + u.z*u.z;
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double b = 2.0 * (oc.x*u.x + oc.y*u.y + oc.z*u.z);
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double c = (oc.x*oc.x + oc.y*oc.y + oc.z*oc.z) - (LEO_EARTH_RAD*LEO_EARTH_RAD);
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double discriminant = b*b - 4*a*c;
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//NS_LOG_DEBUG ("a_pos="<<o<<";b_pos"<<bp<<";delta="<<delta);
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NS_LOG_DEBUG ("a_pos="<<moda->GetPosition ()<<";b_pos"<<modb->GetPosition ()
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<<";u="<<u
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<<";a="<<a
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<<";b="<<b
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<<";c="<<c
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<<";disc="<<discriminant);
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return delta < 0;
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return discriminant < 0;
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}
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double
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@ -87,12 +69,13 @@ IslPropagationLossModel::DoCalcRxPower (double txPowerDbm,
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Ptr<MobilityModel> a,
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Ptr<MobilityModel> b) const
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{
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if (!GetLos (a, b))
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if (a->GetDistanceFrom (b) > m_cutoffDistance || !GetLos (a, b))
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{
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NS_LOG_DEBUG ("DROP;"<<a->GetPosition ()<<";"<<b->GetPosition ());
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return -1000.0;
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}
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NS_LOG_INFO ("LOS;"<<a->GetPosition ()<<";"<<b->GetPosition ());
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NS_LOG_DEBUG ("LOS;"<<a->GetPosition ()<<";"<<b->GetPosition ());
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return txPowerDbm;
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}
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@ -103,4 +86,15 @@ IslPropagationLossModel::DoAssignStreams (int64_t stream)
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return 0;
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}
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void
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IslPropagationLossModel::SetCutoffDistance (double d)
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{
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m_cutoffDistance = d * 1000.0;
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}
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double
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IslPropagationLossModel::GetCutoffDistance () const
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{
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return m_cutoffDistance / 1000.0;
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}
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};
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@ -1,26 +1,4 @@
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2005,2006,2007 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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* Contributions: Timo Bingmann <timo.bingmann@student.kit.edu>
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* Contributions: Gary Pei <guangyu.pei@boeing.com> for fixed RSS
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* Contributions: Tom Hewer <tomhewer@mac.com> for two ray ground model
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* Pavel Boyko <boyko@iitp.ru> for matrix
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*/
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#ifndef ISL_PROPAGATION_LOSS_MODEL_H
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#define ISL_PROPAGATION_LOSS_MODEL_H
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@ -28,13 +6,13 @@
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#include <ns3/object.h>
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#include <ns3/propagation-loss-model.h>
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#define LEO_EARTH_RAD 6.371009e6
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namespace ns3 {
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class IslPropagationLossModel : public PropagationLossModel
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{
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public:
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static const double EARTH_RAD_E6;
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static TypeId GetTypeId (void);
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IslPropagationLossModel ();
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virtual ~IslPropagationLossModel ();
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@ -50,6 +28,14 @@ public:
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*/
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static bool GetLos (Ptr<MobilityModel> a, Ptr<MobilityModel> b);
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private:
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/**
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* Cutoff distance for signal
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*/
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double m_cutoffDistance;
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void SetCutoffDistance (double d);
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double GetCutoffDistance () const;
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/**
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* Returns the Rx Power taking into account only the particular
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* PropagationLossModel.
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@ -103,26 +103,26 @@ LeoPropagationLossModel::DoCalcRxPower (double txPowerDbm,
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Ptr<MobilityModel> b) const
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{
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double distance = a->GetDistanceFrom (b);
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double angle = GetAngle (a, b);
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double rxc = txPowerDbm - m_atmosphericLoss - m_freeSpacePathLoss - m_linkMargin;
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NS_LOG_DEBUG ("LEO propagation: a=" << a->GetPosition () << " b=" << b->GetPosition () << " m_cutOff="<<m_cutoffDistance<<" m_angle="<<m_elevationAngle<<" dist=" << distance << "angle=" << angle << "rxc=" << rxc);
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if (distance > m_cutoffDistance)
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{
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NS_LOG_DEBUG ("LEO DROP DISTANCE: " << distance);
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NS_LOG_DEBUG ("LEO DROP distance: a=" << a->GetPosition () << " b=" << b->GetPosition () << " m_cutOff="<<m_cutoffDistance<<" dist=" << distance);
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return -1000.0;
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}
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double angle = GetAngle (a, b);
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if (angle > m_elevationAngle / 2.0)
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{
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NS_LOG_DEBUG ("LEO DROP ANGLE: " << angle <<"; " << distance);
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NS_LOG_DEBUG ("LEO DROP angle: a=" << a->GetPosition () << " b=" << b->GetPosition () << " m_cutOff="<<m_cutoffDistance<<" m_angle="<<m_elevationAngle<<" dist=" << distance << "angle=" << angle);
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return -1000.0;
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}
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// txPowerDbm includes tx antenna gain and losses
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// receiver loss and gain added at net device
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// P_{RX} = P_{TX} + G_{TX} - L_{TX} - L_{FS} - L_M + G_{RX} - L_{RX}
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double rxc = txPowerDbm - m_atmosphericLoss - m_freeSpacePathLoss - m_linkMargin;
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NS_LOG_INFO ("LEO TRANSMIT: angle=" << angle <<";distance=" << distance << ";rxc=" << rxc);
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return rxc;
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}
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