--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/devices/lte/model/enb-phy.cc	Thu Dec 02 09:03:34 2010 +0100
@@ -0,0 +1,208 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2010 TELEMATICS LAB, DEE - Politecnico di Bari
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Giuseppe Piro  <g.piro@poliba.it>
+ */
+
+#include <ns3/waveform-generator.h>
+#include <ns3/object-factory.h>
+#include <ns3/log.h>
+#include <math.h>
+#include <ns3/simulator.h>
+#include "ns3/spectrum-error-model.h"
+#include "enb-phy.h"
+#include "lte-net-device.h"
+#include "lte-spectrum-value-helper.h"
+#include "ideal-control-messages.h"
+#include "enb-net-device.h"
+#include "enb-mac-entity.h"
+#include "packet-scheduler.h"
+
+NS_LOG_COMPONENT_DEFINE ("EnbLtePhy");
+
+namespace ns3 {
+
+
+NS_OBJECT_ENSURE_REGISTERED (EnbLtePhy);
+
+
+EnbLtePhy::EnbLtePhy ()
+{
+  SetDevice (0);
+  SetDownlinkSpectrumPhy (0);
+  SetUplinkSpectrumPhy (0);
+  SetTxPower (43); // dBm
+  SetTti (0.001);
+  SetNrFrames (0);
+  SetNrSubFrames (0);
+}
+
+
+EnbLtePhy::EnbLtePhy (Ptr<LteNetDevice> d)
+{
+  SetDevice (d);
+  SetDownlinkSpectrumPhy (0);
+  SetUplinkSpectrumPhy (0);
+  SetTxPower (43); // dBm
+  SetTti (0.001);
+  SetNrFrames (0);
+  SetNrSubFrames (0);
+}
+
+
+TypeId
+EnbLtePhy::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::EnbLtePhy")
+    .SetParent<Object> ()
+    .AddConstructor<EnbLtePhy> ()
+  ;
+  return tid;
+}
+
+
+EnbLtePhy::~EnbLtePhy ()
+{
+}
+
+
+bool
+EnbLtePhy::SendPacket (Ptr<PacketBurst> pb)
+{
+  NS_LOG_FUNCTION (this << pb->GetNPackets () << pb->GetSize ());
+  return GetDownlinkSpectrumPhy ()->StartTx (pb);
+}
+
+void
+EnbLtePhy::DoSetDownlinkSubChannels ()
+{
+  NS_LOG_FUNCTION (this);
+  Ptr<SpectrumValue> txPsd = CreateTxPowerSpectralDensity ();
+  GetDownlinkSpectrumPhy ()->SetTxPowerSpectralDensity (txPsd);
+}
+
+
+Ptr<SpectrumValue>
+EnbLtePhy::CreateTxPowerSpectralDensity ()
+{
+  NS_LOG_FUNCTION (this);
+
+  LteSpectrumValueHelper psdHelper;
+  Ptr<SpectrumValue> psd = psdHelper.CreateDownlinkTxPowerSpectralDensity (GetTxPower (), GetDownlinkSubChannels ());
+
+  return psd;
+}
+
+
+void
+EnbLtePhy::CalcChannelQualityForUe (std::vector <double> sinr, Ptr<LteSpectrumPhy> ue)
+{
+  NS_LOG_FUNCTION (this);
+}
+
+void
+EnbLtePhy::SendIdealControlMessage (IdealControlMessage* msg)
+{
+  NS_LOG_FUNCTION (this << msg);
+}
+
+
+void
+EnbLtePhy::ReceiveIdealControlMessage (IdealControlMessage* msg)
+{
+  NS_LOG_FUNCTION (this << msg);
+  if (msg->GetMessageType () == IdealControlMessage::CQI_FEEDBACKS)
+    {
+      CqiIdealControlMessage* msg2 = dynamic_cast<CqiIdealControlMessage*> (msg);
+      Ptr<EnbMacEntity> macEntity = GetDevice ()->GetObject<EnbNetDevice> ()->GetMacEntity ();
+      macEntity->ReceiveCqiIdealControlMessage (msg2);
+    }
+
+  else
+    {
+      // XXX at this time, the eNB must receive only CQI feedbacks!
+    }
+
+}
+
+
+
+void
+EnbLtePhy::StartFrame (void)
+{
+  NS_LOG_FUNCTION (this << Simulator::Now ().GetSeconds ());
+  NS_LOG_INFO ("-----frame " << GetNrFrames () + 1 << "-----");
+
+  SetNrFrames (GetNrFrames () + 1);
+  SetNrSubFrames (0);
+
+  StartSubFrame ();
+}
+
+
+void
+EnbLtePhy::StartSubFrame (void)
+{
+  NS_LOG_FUNCTION (this << Simulator::Now ().GetSeconds ());
+  NS_LOG_INFO ("-----sub frame " << GetNrSubFrames () + 1 << "-----");
+
+  SetNrSubFrames (GetNrSubFrames () + 1);
+
+
+  /*
+   XXX: the packet scheduler is not implemented yet!
+   The enb take the fist packet from the default bearer
+   and send it.
+   */
+
+  Ptr<EnbMacEntity> macEntity = GetDevice ()->GetObject<EnbNetDevice> ()->GetMacEntity ();
+
+  // macEntity->GetUplinkPacketScheduler ()->RunPacketScheduler ();
+  macEntity->GetDownlinkPacketScheduler ()->RunPacketScheduler ();
+
+  Simulator::Schedule (Seconds (GetTti ()),
+                       &EnbLtePhy::EndSubFrame,
+                       this);
+
+}
+
+
+void
+EnbLtePhy::EndSubFrame (void)
+{
+  NS_LOG_FUNCTION (this << Simulator::Now ().GetSeconds ());
+  if (GetNrSubFrames () == 10)
+    {
+      Simulator::ScheduleNow (&EnbLtePhy::EndFrame, this);
+    }
+  else
+    {
+      Simulator::ScheduleNow (&EnbLtePhy::StartSubFrame, this);
+    }
+}
+
+
+void
+EnbLtePhy::EndFrame (void)
+{
+  NS_LOG_FUNCTION (this << Simulator::Now ().GetSeconds ());
+  Simulator::ScheduleNow (&EnbLtePhy::StartFrame, this);
+}
+
+
+
+};