private void EnsureUniqueFrequenciesWithinCell(FrequencyHandler freqHandler)
{
Random r = new Random();
for (int i = 0; i < freqHandler.Length; i++)
{
if (freqHandler.Count(f => f == freqHandler[i]) > 1)
{
int newFrequency = r.Next(0,Channels.Length);
while (freqHandler.Contains(newFrequency)) {
newFrequency = r.Next(0,Channels.Length);
}
freqHandler[i] = new TRX(newFrequency);
}
}
}
public override void ResolveCollisions(FrequencyHandler freqHandler)
{
if (hasLBC(freqHandler))
{
ResolveLBCCollisions(freqHandler);
}
if (freqHandler is FrequencyHandlerWithTabu)
{
FrequencyHandlerWithTabu frequencyHandler = freqHandler as FrequencyHandlerWithTabu;
foreach (TRXTabu tabu in frequencyHandler.TabuList)
{
var collisions = FindCollisionsForTabuItem(frequencyHandler, tabu);
HandleCollisions(collisions, frequencyHandler);
}
}
else
return;
}
private bool hasLBC(FrequencyHandler freqHandler)
{
return freqHandler.GetParentCell().HasLocallyBlockedChannels();
}
private void ResolveLBCCollisions(FrequencyHandler freqHandler)
{
Random r = new Random();
int count = 0;
for (int i = 0; i < freqHandler.Length; i++)
{
int channelValue = Channels[freqHandler[i]];
if (freqHandler.GetParentCell().LocallyBlocked.Contains(channelValue))
{
freqHandler[i] = r.Next(0, Channels.Length);
count++;
if (count <= 10)
{
i--;
}
}
else
{
count = 0;
}
}
}
private void InitializeFrequencyHandlerIfNotNullFromCell(BasicCell basicCell)
{
if (basicCell.frequencyHandler != null)
{
frequencyHandler = CreateFrequencyHandler();
}
}
public abstract void ResolveCollisions(FrequencyHandler frequencyHandler);
