void
AmRlcEntity::SendArqRlcIdealControlMessage (ArqRlcIdealControlMessage msg)
{
#ifdef RLC_DEBUG
std::cout << "AM RLC -- SendArqRlcIdealControlMessage, node " << GetRadioBearerInstance ()->GetDestination ()->GetIDNetworkNode () << " bearer "<< GetRlcEntityIndex () << std::endl;
std::cout << "\t ack " << msg.GetAck() << ", startB " << msg.GetStartByte () << ", endB " << msg.GetEndByte () << std::endl;
#endif
//send AM RLC ACK to the receiver RLC under ideal control channel
RadioBearerSink* thisBearer = (RadioBearerSink*) GetRadioBearerInstance ();
ApplicationSink *thisApplication = (ApplicationSink*) thisBearer->GetApplication ();
RadioBearer* remoteBearer = thisApplication->GetSourceApplication ()->GetRadioBearer ();
AmRlcEntity* remoteRlc = (AmRlcEntity*) remoteBearer->GetRlcEntity();
remoteRlc->ReceiveArqRlcIdealControlMessage (msg);
}
void
NetworkManager::TransferBearerInfo (UserEquipment* ue, NetworkNode* target)
{
#ifdef HANDOVER_DEBUG
std::cout << "** HO ** \t TransferBearerInfo for user "
<< ue->GetIDNetworkNode () << std::endl;
#endif
if ( (target->GetNodeType() == NetworkNode::TYPE_ENODEB && ue->GetTargetNode ()->GetNodeType() == NetworkNode::TYPE_ENODEB) ||
(target->GetNodeType() == NetworkNode::TYPE_HOME_BASE_STATION && ue->GetTargetNode ()->GetNodeType() == NetworkNode::TYPE_ENODEB) ||
(target->GetNodeType() == NetworkNode::TYPE_ENODEB && ue->GetTargetNode ()->GetNodeType() == NetworkNode::TYPE_HOME_BASE_STATION))
{
ENodeB *oldTargetNode = (ENodeB*) ue->GetTargetNode ();
ENodeB *newTargetNode = (ENodeB*) target;
// 1 - update spectrum, channels and propagation loss model
#ifdef HANDOVER_DEBUG
std::cout << "update spectrum, channels and propagation loss model"<< std::endl;
#endif
ue->GetPhy ()->SetBandwidthManager (newTargetNode->GetPhy ()->GetBandwidthManager ());
LteChannel *oldDl = oldTargetNode->GetPhy ()->GetDlChannel ();
LteChannel *oldUl = oldTargetNode->GetPhy ()->GetUlChannel ();
LteChannel *newDl = newTargetNode->GetPhy ()->GetDlChannel ();
LteChannel *newUl = newTargetNode->GetPhy ()->GetUlChannel ();
ue->GetPhy ()->SetDlChannel (newDl);
if (oldDl->IsAttached (ue))
{
newDl->AddDevice (ue);
oldDl->DelDevice (ue);
}
if (newDl->GetPropagationLossModel () != NULL)
{
newDl->GetPropagationLossModel ()->
AddChannelRealization (CreateChannelRealization (newTargetNode, ue));
oldDl->GetPropagationLossModel ()->DelChannelRealization (oldTargetNode,ue);
}
ue->GetPhy ()->SetUlChannel (newUl);
if (oldUl->IsAttached (ue))
{
newUl->AddDevice (ue);
oldUl->DelDevice (ue);
}
if (newUl->GetPropagationLossModel () != NULL)
{
newUl->GetPropagationLossModel ()->AddChannelRealization (
CreateChannelRealization (ue, newTargetNode));
oldUl->GetPropagationLossModel ()->DelChannelRealization (ue,oldTargetNode);;
}
// 2 - add ue record to the new Enb
#ifdef HANDOVER_DEBUG
std::cout << "add ue record to the new Enb"<< std::endl;
#endif
newTargetNode->RegisterUserEquipment (ue);
// 3 - delete ue record form the old enb
#ifdef HANDOVER_DEBUG
std::cout << "delete ue record form the old enb"<< std::endl;
#endif
oldTargetNode->DeleteUserEquipment (ue);
// 4 - update cell and new target enb for the ue
#ifdef HANDOVER_DEBUG
std::cout << "update cell and new target enb for the ue"<< std::endl;
#endif
ue->SetTargetNode (newTargetNode);
// MOVE RRC CONTEXT FOR THE OLD TARGET NODE TO THE NEWER ONE
#ifdef HANDOVER_DEBUG
std::cout << "MOVE RRC CONTEXT"<< std::endl;
#endif
RrcEntity * oldEnbRrc = oldTargetNode->GetProtocolStack ()->GetRrcEntity ();
RrcEntity * newEnbRrc = newTargetNode->GetProtocolStack ()->GetRrcEntity ();
RrcEntity * ueRrc = ue->GetProtocolStack ()->GetRrcEntity ();
// --> move dl bearers
#ifdef HANDOVER_DEBUG
std::cout << "\t DL radio bearers " << oldEnbRrc->GetRadioBearerContainer ()->size () << std::endl;
#endif
std::vector<RadioBearer* > *dlBearerToDelete = new std::vector<RadioBearer* > ();
for (std::vector<RadioBearer* >::iterator it = oldEnbRrc->GetRadioBearerContainer ()->begin();
it != oldEnbRrc->GetRadioBearerContainer ()->end (); it++)
{
RadioBearer *bearer = (*it);
if (bearer->GetDestination ()->GetIDNetworkNode () == ue->GetIDNetworkNode ())
{
bearer->SetSource (newTargetNode);
bearer->GetRlcEntity ()->SetDevice (newTargetNode);
newEnbRrc->AddRadioBearer (bearer);
dlBearerToDelete->push_back (bearer);
}
}
for (std::vector<RadioBearer* >::iterator it = dlBearerToDelete->begin();
it != dlBearerToDelete->end (); it++)
{
RadioBearer *bearer = (*it);
oldEnbRrc->DelRadioBearer (bearer);
}
dlBearerToDelete->clear ();
delete dlBearerToDelete;
// --> move ul bearers
#ifdef HANDOVER_DEBUG
std::cout << "\t UL radio bearers"<< std::endl;
#endif
std::vector<RadioBearerSink* > *ulBearerToDelete = new std::vector<RadioBearerSink* > ();
for (std::vector<RadioBearerSink* >::iterator it = oldEnbRrc->GetRadioBearerSinkContainer ()->begin();
it != oldEnbRrc->GetRadioBearerSinkContainer ()->end (); it++)
{
RadioBearerSink *bearer = (*it);
if (bearer->GetSource ()->GetIDNetworkNode () == ue->GetIDNetworkNode ())
{
bearer->SetDestination (newTargetNode);
newEnbRrc->AddRadioBearerSink (bearer);
ulBearerToDelete->push_back (bearer);
}
}
for (std::vector<RadioBearerSink* >::iterator it = ulBearerToDelete->begin();
it != ulBearerToDelete->end (); it++)
{
RadioBearerSink *bearer = (*it);
oldEnbRrc->DelRadioBearerSink (bearer);
}
ulBearerToDelete->clear ();
delete ulBearerToDelete;
// UPDATE THE RRC CONTEXT FOR THE UE
#ifdef HANDOVER_DEBUG
std::cout << "\t UE updates DL radio bearers "<< std::endl;
#endif
for (std::vector<RadioBearerSink* >::iterator it = ueRrc->GetRadioBearerSinkContainer ()->begin();
it != ueRrc->GetRadioBearerSinkContainer ()->end (); it++)
{
RadioBearerSink *bearer = (*it);
bearer->SetSource (newTargetNode);
}
#ifdef HANDOVER_DEBUG
std::cout << "\t UE updates UL radio bearers "<< std::endl;
#endif
for (std::vector<RadioBearer* >::iterator it = ueRrc->GetRadioBearerContainer ()->begin();
it != ueRrc->GetRadioBearerContainer ()->end (); it++)
{
RadioBearer *bearer = (*it);
bearer->SetDestination (newTargetNode);
}
}
}