/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ #ifndef ISL_PROPAGATION_LOSS_MODEL_H #define ISL_PROPAGATION_LOSS_MODEL_H #include #include #define LEO_EARTH_RAD 6.371009e6 namespace ns3 { class IslPropagationLossModel : public PropagationLossModel { public: static TypeId GetTypeId (void); IslPropagationLossModel (); virtual ~IslPropagationLossModel (); /** * true if there is at least one intersection of ISL line-of-sight with earth * (LOS is blocked by earth) * * Assumes earth is sperical. * * \param a first node * \param b second node */ static bool GetLos (Ptr a, Ptr 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 a, Ptr b) const; /** * Subclasses must implement this; those not using random variables * can return zero */ virtual int64_t DoAssignStreams (int64_t stream); }; } #endif /* SATELLITE_ISL_PROPAGATION_LOSS_MODEL_H */