lte: Communicate the IMSI to UE MAC and PHY

src/lte/model/lte-ue-cmac-sap.h

@@ -119,6 +119,12 @@ public:
    */
   virtual void NotifyConnectionSuccessful () = 0;
 
+  /**
+   * \brief A method call by UE RRC to communicate the IMSI to the UE MAC
+   * \param imsi the IMSI of the UE
+   */
+  virtual void SetImsi (uint64_t imsi) = 0;
+
 };
 
 

src/lte/model/lte-ue-cphy-sap.h

@@ -190,6 +190,12 @@ public:
    */
   virtual void StartInSnycDetection () = 0;
 
+  /**
+   * \brief A method call by UE RRC to communicate the IMSI to the UE PHY
+   * \param imsi the IMSI of the UE
+   */
+  virtual void SetImsi (uint64_t imsi) = 0;
+
 };
 
 
@@ -321,6 +327,7 @@ public:
   virtual void ResetPhyAfterRlf ();
   virtual void ResetRlfParams ();
   virtual void StartInSnycDetection ();
+  virtual void SetImsi (uint64_t imsi);
 
 private:
   MemberLteUeCphySapProvider ();
@@ -441,6 +448,12 @@ void MemberLteUeCphySapProvider<C>::StartInSnycDetection ()
   m_owner->DoStartInSnycDetection ();
 }
 
+template <class C>
+void MemberLteUeCphySapProvider<C>::SetImsi (uint64_t imsi)
+{
+  m_owner->DoSetImsi (imsi);
+}
+
 
 
 /**

src/lte/model/lte-ue-mac.cc

@@ -68,6 +68,7 @@ public:
   virtual void RemoveLc (uint8_t lcId);
   virtual void Reset ();
   virtual void NotifyConnectionSuccessful ();
+  virtual void SetImsi (uint64_t imsi);
 
 private:
   LteUeMac* m_mac; ///< the UE MAC
@@ -127,6 +128,12 @@ UeMemberLteUeCmacSapProvider::NotifyConnectionSuccessful ()
   m_mac->DoNotifyConnectionSuccessful ();
 }
 
+void
+ UeMemberLteUeCmacSapProvider::SetImsi (uint64_t imsi)
+ {
+   m_mac->DoSetImsi (imsi);
+ }
+
 
 /// UeMemberLteMacSapProvider class
 class UeMemberLteMacSapProvider : public LteMacSapProvider
@@ -239,6 +246,7 @@ LteUeMac::LteUeMac ()
      m_freshUlBsr (false),
      m_harqProcessId (0),
      m_rnti (0),
+     m_imsi (0),
      m_rachConfigured (false),
      m_waitingForRaResponse (false)
   
@@ -536,6 +544,13 @@ LteUeMac::DoSetRnti (uint16_t rnti)
   m_rnti = rnti;
 }
 
+void
+LteUeMac::DoSetImsi (uint64_t imsi)
+{
+  NS_LOG_FUNCTION (this);
+  m_imsi = imsi;
+}
+
 
 void 
 LteUeMac::DoStartNonContentionBasedRandomAccessProcedure (uint16_t rnti, uint8_t preambleId, uint8_t prachMask)

src/lte/model/lte-ue-mac.h

@@ -175,6 +175,12 @@ private:
    * establishment.
    */
   void DoNotifyConnectionSuccessful ();
+  /**
+   * Set IMSI
+   *
+   * \param imsi the IMSI of the UE
+   */
+  void DoSetImsi (uint64_t imsi);
 
   // forwarded from PHY SAP
  /**
@@ -253,6 +259,7 @@ private:
   std::vector < uint8_t > m_miUlHarqProcessesPacketTimer; ///< timer for packet life in the buffer
 
   uint16_t m_rnti; ///< RNTI
+  uint16_t m_imsi; ///< IMSI
 
   bool m_rachConfigured; ///< is RACH configured?
   LteUeCmacSapProvider::RachConfig m_rachConfig; ///< RACH configuration

src/lte/model/lte-ue-phy.cc

@@ -163,7 +163,8 @@ LteUePhy::LteUePhy (Ptr<LteSpectrumPhy> dlPhy, Ptr<LteSpectrumPhy> ulPhy)
     m_pssReceived (false),
     m_ueMeasurementsFilterPeriod (MilliSeconds (200)),
     m_ueMeasurementsFilterLast (MilliSeconds (0)),
-    m_rsrpSinrSampleCounter (0)
+    m_rsrpSinrSampleCounter (0),
+    m_imsi (0)
 {
   m_amc = CreateObject <LteAmc> ();
   m_powerControl = CreateObject <LteUePowerControl> ();
@@ -1507,6 +1508,13 @@ LteUePhy::DoStartInSnycDetection ()
   m_downlinkInSync = false;
 }
 
+void
+LteUePhy::DoSetImsi (uint64_t imsi)
+{
+  NS_LOG_FUNCTION (this);
+  m_imsi = imsi;
+}
+
 void
 LteUePhy::InitializeRlfParams ()
 {

src/lte/model/lte-ue-phy.h

@@ -545,6 +545,12 @@ private:
    *
    */
   void InitializeRlfParams ();
+  /**
+   * Set IMSI
+   *
+   * \param imsi the IMSI of the UE
+   */
+  void DoSetImsi (uint64_t imsi);
   /**
    * \brief Do set RSRP filter coefficient
    *
@@ -758,6 +764,7 @@ private:
   uint16_t m_numOfFrames; ///< count the number of frames for which the downlink radio link quality is estimated
   double m_sinrDbFrame; ///< the average SINR per radio frame
   SpectrumValue m_ctrlSinrForRlf; ///< the CTRL SINR used for RLF detection
+  uint64_t m_imsi;
 
 }; // end of `class LteUePhy`
 

src/lte/model/lte-ue-rrc.cc

@@ -434,6 +434,13 @@ LteUeRrc::SetImsi (uint64_t imsi)
 {
   NS_LOG_FUNCTION (this << imsi);
   m_imsi = imsi;
+
+  //Communicate the IMSI to MACs and PHYs for all the component carriers
+  for (uint16_t i = 0; i < m_numberOfComponentCarriers; i++)
+    {
+      m_cmacSapProvider.at(i)->SetImsi (m_imsi);
+      m_cphySapProvider.at(i)->SetImsi (m_imsi);
+    }
 }
 
 void