ns-3-leo/model/isl-propagation-loss-model.h
2020-09-06 21:37:47 +02:00

84 lines
2.4 KiB
C++

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* 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
*
* Author: Tim Schubert <ns-3-leo@timschubert.net>
*/
#ifndef ISL_PROPAGATION_LOSS_MODEL_H
#define ISL_PROPAGATION_LOSS_MODEL_H
#include <ns3/object.h>
#include <ns3/propagation-loss-model.h>
/**
* \file
* \ingroup leo
*
* Declaration of IslPropagationLossModel
*/
#define LEO_EARTH_RAD 6.371009e6
namespace ns3 {
/**
* \ingroup leo
* \brief An approximate model for the propagation loss between any two low
* earth orbit satellites using the line-of-sight
*
*/
class IslPropagationLossModel : public PropagationLossModel
{
public:
/**
* \brief Get the type ID.
* \return the object TypeId
*/
static TypeId GetTypeId (void);
/// constructor
IslPropagationLossModel ();
/// destructor
virtual ~IslPropagationLossModel ();
/**
* \brief Check if there is a direc line-of-sight between the two points
*
* Assumes earth is spherical.
*
* \param a first point
* \param b second point
* \return true iff there is a line-of-sight between the points
*/
static bool GetLos (Ptr<MobilityModel> a, Ptr<MobilityModel> b);
private:
/**
* Returns the Rx Power taking into account only the particular
* PropagationLossModel.
*
* \param txPowerDbm current transmission power (in dBm)
* \param a the mobility model of the source
* \param b the mobility model of the destination
* \returns the reception power after adding/multiplying propagation loss (in dBm)
*/
virtual double DoCalcRxPower (double txPowerDbm,
Ptr<MobilityModel> a,
Ptr<MobilityModel> b) const;
virtual int64_t DoAssignStreams (int64_t stream);
};
}
#endif /* SATELLITE_ISL_PROPAGATION_LOSS_MODEL_H */