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Use hard cutoff as first step to proper propagation loss

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This commit is contained in:
Tim Schubert 2020-07-27 13:10:01 +02:00
parent 07abd6efca
commit 83c5bc3b2e
2 changed files with 18 additions and 5 deletions
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16
model/isl-propagation-loss-model.cc
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@ -23,6 +23,7 @@
*/ */
#include "ns3/log.h" #include "ns3/log.h"
#include "ns3/mobility-model.h"
#include "isl-propagation-loss-model.h" #include "isl-propagation-loss-model.h"
@ -53,13 +54,18 @@ IslPropagationLossModel::~IslPropagationLossModel ()
double double
IslPropagationLossModel::DoCalcRxPower (double txPowerDbm, IslPropagationLossModel::DoCalcRxPower (double txPowerDbm,
Ptr<MobilityModel> a, Ptr<MobilityModel> a,
Ptr<MobilityModel> b) const Ptr<MobilityModel> b) const
{ {
//Vector aPos = a->GetPosition ();
//Vector bPos = b->GetPosition ();
// TODO perform line-earth intersection (ray tracing) // TODO perform line-earth intersection (ray tracing or based on earth
// curvature + distance)
// primitivec cut-of at 1000 km
if (a->GetDistanceFrom (b) > 1000000.0)
{
return 0;
}
double rxc = 0;//-m_variable->GetValue (); double rxc = 0;//-m_variable->GetValue ();
NS_LOG_DEBUG ("attenuation coefficient="<<rxc<<"Db"); NS_LOG_DEBUG ("attenuation coefficient="<<rxc<<"Db");

7
model/leo-propagation-loss-model.cc
View file

@ -1,6 +1,8 @@
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "ns3/log.h" #include "ns3/log.h"
#include "ns3/mobility-model.h"
#include "leo-propagation-loss-model.h" #include "leo-propagation-loss-model.h"
namespace ns3 { namespace ns3 {
@ -38,6 +40,11 @@ LeoPropagationLossModel::DoCalcRxPower (double txPowerDbm,
// TODO perform line-earth intersection (ray tracing) // TODO perform line-earth intersection (ray tracing)
// TODO check angle between satellite and ground-station // TODO check angle between satellite and ground-station
// primitivec cut-of at 1000 km
if (a->GetDistanceFrom (b) > 1000000.0)
{
return 0;
}
double rxc = 0;//-m_variable->GetValue (); double rxc = 0;//-m_variable->GetValue ();
//NS_LOG_DEBUG ("attenuation coefficient="<<rxc<<"Db"); //NS_LOG_DEBUG ("attenuation coefficient="<<rxc<<"Db");