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More fixes on propagation model

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This commit is contained in:
Tim Schubert 2020-08-19 16:26:27 +02:00
parent ad22221f42
commit df97dfa3e4
4 changed files with 71 additions and 88 deletions
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12
model/leo-propagation-loss-model.cc
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@ -103,26 +103,26 @@ LeoPropagationLossModel::DoCalcRxPower (double txPowerDbm,
Ptr<MobilityModel> b) const
{
double distance = a->GetDistanceFrom (b);
double angle = GetAngle (a, b);
double rxc = txPowerDbm - m_atmosphericLoss - m_freeSpacePathLoss - m_linkMargin;
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);
if (distance > m_cutoffDistance)
{
NS_LOG_DEBUG ("LEO DROP DISTANCE: " << distance);
NS_LOG_DEBUG ("LEO DROP distance: a=" << a->GetPosition () << " b=" << b->GetPosition () << " m_cutOff="<<m_cutoffDistance<<" dist=" << distance);
return -1000.0;
}
double angle = GetAngle (a, b);
if (angle > m_elevationAngle / 2.0)
{
NS_LOG_DEBUG ("LEO DROP ANGLE: " << angle <<"; " << distance);
NS_LOG_DEBUG ("LEO DROP angle: a=" << a->GetPosition () << " b=" << b->GetPosition () << " m_cutOff="<<m_cutoffDistance<<" m_angle="<<m_elevationAngle<<" dist=" << distance << "angle=" << angle);
return -1000.0;
}
// txPowerDbm includes tx antenna gain and losses
// receiver loss and gain added at net device
// P_{RX} = P_{TX} + G_{TX} - L_{TX} - L_{FS} - L_M + G_{RX} - L_{RX}
double rxc = txPowerDbm - m_atmosphericLoss - m_freeSpacePathLoss - m_linkMargin;
NS_LOG_INFO ("LEO TRANSMIT: angle=" << angle <<";distance=" << distance << ";rxc=" << rxc);
return rxc;
}