public Sensor SelectNextHop(Sensor ni, Packet packet)
{
List <CoordinationEntry> coordinationEntries = new List <CoordinationEntry>();
double sum = 0;
Sensor sj = null;
foreach (Sensor nj in ni.NeighborsTable)
{
double pj = Operations.Perpendiculardistance(nj.CenterLocation, packet.Source.CenterLocation, packet.Destination.CenterLocation);
double pi = Operations.Perpendiculardistance(ni.CenterLocation, packet.Source.CenterLocation, packet.Destination.CenterLocation);
double npj = pj / (pi + PublicParamerters.CommunicationRangeRadius);
double Edis = 1;
if (Settings.Default.ConsiderEnergy)
{
Edis = MeredPathDistributions.EnergyDistribution(nj.ResidualEnergyPercentage, 100);
}
double disPij = Math.Exp(-npj);
double Norangle = Operations.AngleDotProdection(ni.CenterLocation, nj.CenterLocation, packet.Destination.CenterLocation);
if (Norangle < 0.5 || Double.IsNaN(Norangle))
{
double disAngij;
if (Double.IsNaN(Norangle))
{
disAngij = Math.Exp(-0);
}
else
{
disAngij = Math.Exp(-Norangle);
}
double aggregatedValue = disAngij * (disPij + Edis);
sum += aggregatedValue;
coordinationEntries.Add(new CoordinationEntry()
{
Priority = aggregatedValue, Sensor = nj
}); // candidaite
}
}
if (Settings.Default.CoordinationType == CoordinationType.Random.ToString())
{
// random coordinate:
sj = counter.RandomCoordinate(coordinationEntries, packet, sum);
}
else if (Settings.Default.CoordinationType == CoordinationType.Mixed.ToString())
{
sj = counter.MaximalCoordinate(coordinationEntries, packet, sum);
}
else
{
sj = counter.MaximalCoordinate(coordinationEntries, packet, sum);
}
return(sj);
}
/// <summary>
/// get the max value
/// </summary>
/// <param name="ni"></param>
/// <param name="packet"></param>
/// <returns></returns>
public Sensor SelectNextHop(Sensor ni, Packet packet)
{
if (packet.Branch != null)
{
List <CoordinationEntry> coordinationEntries = new List <CoordinationEntry>();
double sum = 0;
Sensor sj = null;
foreach (Sensor nj in ni.NeighborsTable)
{
if (nj.ResidualEnergyPercentage > 0)
{
if (packet.isRecovery)
{
}
double Norangle;
if (packet.Destination != null)
{
if (nj.ID == packet.Destination.ID)
{
return(nj);
}
}
else
{
Norangle = Operations.AngleDotProdection(ni.CenterLocation, nj.CenterLocation, packet.Branch.EndPoint);
if (Double.IsNaN(Norangle) || Norangle == 0 || Norangle < 0.0001)
{
// for none-recovery we had the destination.
return(nj);
}
else
{
if (Norangle < 0.5)
{
double ij_ψ = MeredPathDistributions.PerpendicularDistanceDistribution(ni.CenterLocation, nj.CenterLocation, packet.Branch.StartPoint, packet.Branch.EndPoint);
double ij_ω = MeredPathDistributions.ProximityToBranchEndPoint(ni.CenterLocation, nj.CenterLocation, packet.Branch.EndPoint);
double ij_σ = MeredPathDistributions.EnergyDistribution(nj.ResidualEnergyPercentage, 100);
double ij_d = MeredPathDistributions.TransDistDistribution(ni.CenterLocation, nj.CenterLocation);
// double agg1 = Math.Pow(ij_ω, (1 - Norangle)) * (ij_ψ + ij_d + ij_σ); // this needs to be try when lifetime.
double defual = ij_ω * (ij_ψ + ij_d + ij_σ);
double aggregatedValue = defual;
sum += aggregatedValue;
coordinationEntries.Add(new CoordinationEntry()
{
Priority = aggregatedValue, Sensor = nj
});
}
}
}
}
}
if (Settings.Default.CoordinationType == CoordinationType.Random.ToString())
{
// random coordinate:
sj = counter.RandomCoordinate(coordinationEntries, packet, sum);
}
else if (Settings.Default.CoordinationType == CoordinationType.Mixed.ToString())
{
sj = counter.RandomCoordinate(coordinationEntries, packet, sum);
}
else
{
sj = counter.MaximalCoordinate(coordinationEntries, packet, sum);
}
return(sj);
}
else
{
return(null);
}
}
