def removeVarWithLowPotency(scenario, allCEVarList):
hataSRD = MathUtil.HataSRDModel()
maxDistanceCEAndClients = []
for ce in scenario.cm.ceList:
clientDistanceList = []
for ceClient in ce.clientList:
distanceBetween = MathUtil.calculateDistanceBetweenGeoPoints(
ce.geoPoint, ceClient.geoPoint)
clientDistanceList.append(distanceBetween)
maxClientDistance = max(clientDistanceList)
maxDistanceCEAndClients.append(maxClientDistance)
newCEVarList = []
for ceVar in allCEVarList:
ceVarNameSplit = ceVar.name.split('_')
ceId = int(ceVarNameSplit[1])
cePotency = int(ceVarNameSplit[3])
ceAntenna = scenario.cm.ceList[ceId].antenna
channelFrequency = next(c.frequency for c in scenario.channels
if (c.channelNumber == ce.channel))
ceSignalDistance = hataSRD.getDistance(ceAntenna, channelFrequency,
cePotency, -60)
if (ceSignalDistance >= maxDistanceCEAndClients[ceId]):
newCEVarList.append(ceVar)
return newCEVarList
def getInterferenceList(scenario, allCEVarList):
hataSRD = MathUtil.HataSRDModel()
interferenceList = []
for ceVar in allCEVarList:
ceVarNameSplit = ceVar.name.split('_')
ceId = int(ceVarNameSplit[1])
ceChannel = int(ceVarNameSplit[2])
cePotency = int(ceVarNameSplit[3])
ce = scenario.cm.ceList[ceId]
channel = next(c for c in scenario.channels
if c.channelNumber == ceChannel)
ceSignalDistance = hataSRD.getDistance(ce.antenna, channel.frequency,
cePotency, -60)
ceTotalInterference = 0.0
ceInterferenceList = []
for otherCEVar in allCEVarList:
otherCEVarNameSplit = otherCEVar.name.split('_')
otherCEId = int(otherCEVarNameSplit[1])
otherCEChannel = int(otherCEVarNameSplit[2])
if (otherCEId != ceId):
otherCE = scenario.cm.ceList[otherCEId]
distanceBetweenCEs = MathUtil.calculateDistanceBetweenGeoPoints(
ce.geoPoint, otherCE.geoPoint)
signalLevel = MathUtil.dbm2Double(
hataSRD.getSignalLevel(ce.antenna, channel.frequency,
cePotency, distanceBetweenCEs))
if (ceSignalDistance >= distanceBetweenCEs):
if (otherCEChannel == ceChannel):
signalLevel = 1.0 * signalLevel
ceTotalInterference += signalLevel
ceInterferenceList.append(signalLevel)
elif (otherCEChannel
== (ceChannel - 1)) or (otherCEChannel
== (ceChannel + 1)):
signalLevel = 0.7 * signalLevel
ceTotalInterference += signalLevel
ceInterferenceList.append(signalLevel)
elif (otherCEChannel
== (ceChannel - 2)) or (otherCEChannel
== (ceChannel + 2)):
signalLevel = 0.3 * signalLevel
ceTotalInterference += signalLevel
ceInterferenceList.append(signalLevel)
interferenceList.append(
(ceVar, ceTotalInterference, ceInterferenceList))
return interferenceList
