22 #include "ns3/double.h" 46 .AddAttribute (
"SpreadCoef",
47 "Spreading coefficient used in calculation of Thorp's approximation.",
50 MakeDoubleChecker<double> ())
87 double fsq = freqKhz * freqKhz;
92 atten = 0.11 * fsq / (1 + fsq) + 44 * fsq / (4100 + fsq)
93 + 2.75 * 0.0001 * fsq + 0.003;
97 atten = 0.002 + 0.11 * (freqKhz / (1 + freqKhz)) + 0.011 * freqKhz;
double GetAttenDbKm(double freqKhz)
Get the attenuation in dB / km.
Simulation virtual time values and global simulation resolution.
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
virtual Time GetDelay(Ptr< MobilityModel > a, Ptr< MobilityModel > b, UanTxMode mode)
Finds propagation delay between nodes a and b.
double GetAttenDbKyd(double freqKhz)
Get the attenuation in dB / 1000 yards.
static UanPdp CreateImpulsePdp(void)
Get a unit impulse PDP at time 0.
static TypeId GetTypeId(void)
Register this type.
Base class for implemented underwater propagation models.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Uses Thorp's approximation to compute pathloss.
double m_SpreadCoef
Spreading coefficient used in calculation of Thorp's approximation.
The power delay profile returned by propagation models.
Abstraction of packet modulation information.
double GetDistanceFrom(Ptr< const MobilityModel > position) const
Every class exported by the ns3 library is enclosed in the ns3 namespace.
virtual double GetPathLossDb(Ptr< MobilityModel > a, Ptr< MobilityModel > b, UanTxMode mode)
Computes pathloss between nodes a and b.
UanPropModelThorp()
Default constructor.
Ptr< const AttributeAccessor > MakeDoubleAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method...
uint32_t GetCenterFreqHz(void) const
Get the transmission center frequency.
Time Seconds(double value)
Construct a Time in the indicated unit.
virtual ~UanPropModelThorp()
Destructor.
This class can be used to hold variables of floating point type such as 'double' or 'float'...
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
virtual UanPdp GetPdp(Ptr< MobilityModel > a, Ptr< MobilityModel > b, UanTxMode mode)
Get the PDP for the path between two nodes.