diff --git a/openair2/COMMON/rrc_messages_def.h b/openair2/COMMON/rrc_messages_def.h
index b48bc3c927..f38289aa99 100644
--- a/openair2/COMMON/rrc_messages_def.h
+++ b/openair2/COMMON/rrc_messages_def.h
@@ -9,13 +9,14 @@ MESSAGE_DEF(RRC_UE_EUTRA_CAPABILITY,    MESSAGE_PRIORITY_MED_PLUS, RrcUeEutraCap
 
 //-------------------------------------------------------------------------------------------//
 // Messages from MAC layer
-MESSAGE_DEF(RRC_MAC_SYNC_IND,           MESSAGE_PRIORITY_MED_PLUS, RrcMacSyncInd,               rrc_mac_sync_ind)
 MESSAGE_DEF(RRC_MAC_IN_SYNC_IND,        MESSAGE_PRIORITY_MED_PLUS, RrcMacInSyncInd,             rrc_mac_in_sync_ind)
 MESSAGE_DEF(RRC_MAC_OUT_OF_SYNC_IND,    MESSAGE_PRIORITY_MED_PLUS, RrcMacOutOfSyncInd,          rrc_mac_out_of_sync_ind)
 MESSAGE_DEF(RRC_MAC_BCCH_DATA_IND,      MESSAGE_PRIORITY_MED_PLUS, RrcMacBcchDataInd,           rrc_mac_bcch_data_ind)
 MESSAGE_DEF(RRC_MAC_CCCH_DATA_IND,      MESSAGE_PRIORITY_MED_PLUS, RrcMacCcchDataInd,           rrc_mac_ccch_data_ind)
+MESSAGE_DEF(RRC_MAC_CCCH_SUCCESS_IND,   MESSAGE_PRIORITY_MED_PLUS, RrcMacCcchSuccessInd,        rrc_mac_ccch_success_ind)
 MESSAGE_DEF(RRC_MAC_MCCH_DATA_IND,      MESSAGE_PRIORITY_MED_PLUS, RrcMacMcchDataInd,           rrc_mac_mcch_data_ind)
 
 //-------------------------------------------------------------------------------------------//
-// Messages from PDCP layer
+// Messages from/to PDCP layer
+MESSAGE_DEF(RRC_DCCH_DATA_REQ,          MESSAGE_PRIORITY_MED_PLUS, RrcDcchDataReq,              rrc_dcch_data_req)
 MESSAGE_DEF(RRC_DCCH_DATA_IND,          MESSAGE_PRIORITY_MED_PLUS, RrcDcchDataInd,              rrc_dcch_data_ind)
diff --git a/openair2/COMMON/rrc_messages_types.h b/openair2/COMMON/rrc_messages_types.h
index 528d97f37f..c81c0f2f50 100644
--- a/openair2/COMMON/rrc_messages_types.h
+++ b/openair2/COMMON/rrc_messages_types.h
@@ -13,24 +13,21 @@
 //-------------------------------------------------------------------------------------------//
 // Defines to access message fields.
 
-#define RRC_MAC_SYNC_IND(mSGpTR)        (mSGpTR)->msg.rrc_mac_sync_ind
-#define RRC_MAC_IN_SYNC_IND(mSGpTR)     (mSGpTR)->msg.rrc_mac_in_sync_ind
-#define RRC_MAC_OUT_OF_SYNC_IND(mSGpTR) (mSGpTR)->msg.rrc_mac_out_of_sync_ind
-#define RRC_MAC_BCCH_DATA_IND(mSGpTR)   (mSGpTR)->msg.rrc_mac_bcch_data_ind
-#define RRC_MAC_CCCH_DATA_IND(mSGpTR)   (mSGpTR)->msg.rrc_mac_ccch_data_ind
-#define RRC_MAC_MCCH_DATA_IND(mSGpTR)   (mSGpTR)->msg.rrc_mac_mcch_data_ind
+#define RRC_MAC_IN_SYNC_IND(mSGpTR)             (mSGpTR)->msg.rrc_mac_in_sync_ind
+#define RRC_MAC_OUT_OF_SYNC_IND(mSGpTR)         (mSGpTR)->msg.rrc_mac_out_of_sync_ind
+#define RRC_MAC_BCCH_DATA_IND(mSGpTR)           (mSGpTR)->msg.rrc_mac_bcch_data_ind
+#define RRC_MAC_CCCH_DATA_IND(mSGpTR)           (mSGpTR)->msg.rrc_mac_ccch_data_ind
+#define RRC_MAC_CCCH_SUCCESS_IND(mSGpTR)        (mSGpTR)->msg.rrc_mac_ccch_success_ind
+#define RRC_MAC_MCCH_DATA_IND(mSGpTR)           (mSGpTR)->msg.rrc_mac_mcch_data_ind
 
-#define RRC_DCCH_DATA_IND(mSGpTR)       (mSGpTR)->msg.rrc_dcch_data_ind
+#define RRC_DCCH_DATA_REQ(mSGpTR)               (mSGpTR)->msg.rrc_dcch_data_req
+#define RRC_DCCH_DATA_IND(mSGpTR)               (mSGpTR)->msg.rrc_dcch_data_ind
 
 typedef UE_EUTRA_Capability_t RrcUeEutraCapability;
 
 //-------------------------------------------------------------------------------------------//
 // Messages from MAC layer
 
-typedef struct {
-  uint8_t status;
-} RrcMacSyncInd;
-
 typedef struct {
   uint32_t frame;
   uint16_t enb_index;
@@ -47,6 +44,10 @@ typedef struct {
 
 typedef RrcMacBcchDataInd RrcMacCcchDataInd;
 
+typedef struct {
+  uint8_t enb_index;
+} RrcMacCcchSuccessInd;
+
 typedef struct {
   uint32_t frame;
   uint32_t sdu_size;
@@ -56,7 +57,18 @@ typedef struct {
 } RrcMacMcchDataInd;
 
 //-------------------------------------------------------------------------------------------//
-// Messages from PDCP layer
+// Messages from/to PDCP layer
+
+typedef struct {
+  uint32_t frame;
+  uint8_t enb_flag;
+  uint32_t rb_id;
+  uint32_t muip;
+  uint32_t confirmp;
+  uint32_t sdu_size;
+  uint8_t *sdu_p;
+  uint8_t mode;
+} RrcDcchDataReq;
 
 typedef struct {
   uint32_t frame;
diff --git a/openair2/LAYER2/PDCP_v10.1.0/pdcp.c b/openair2/LAYER2/PDCP_v10.1.0/pdcp.c
index bd14ff4e9e..f09be1fb0e 100755
--- a/openair2/LAYER2/PDCP_v10.1.0/pdcp.c
+++ b/openair2/LAYER2/PDCP_v10.1.0/pdcp.c
@@ -56,6 +56,10 @@
 # include "UTIL/OSA/osa_defs.h"
 #endif
 
+#if defined(ENABLE_ITTI)
+# include "intertask_interface.h"
+#endif
+
 #define PDCP_DATA_REQ_DEBUG 0
 #define PDCP_DATA_IND_DEBUG 0
 
@@ -471,11 +475,16 @@ BOOL pdcp_data_ind(module_id_t module_id, u32_t frame, u8_t eNB_flag, rb_id_t rb
 //-----------------------------------------------------------------------------
 void pdcp_run (u32_t frame, u8 eNB_flag, u8 UE_index, u8 eNB_index) {
   //-----------------------------------------------------------------------------
+#if defined(ENABLE_ITTI)
+  MessageDef *msg_p;
+  char *msg_name;
+  instance_t instance;
+#endif
 
 #ifndef NAS_NETLINK
 #ifdef USER_MODE
 #define PDCP_DUMMY_BUFFER_SIZE 38
-  unsigned char pdcp_dummy_buffer[PDCP_DUMMY_BUFFER_SIZE];
+//  unsigned char pdcp_dummy_buffer[PDCP_DUMMY_BUFFER_SIZE];
 #endif
 #endif
 //     unsigned int diff, i, k, j;
@@ -488,6 +497,40 @@ void pdcp_run (u32_t frame, u8 eNB_flag, u8 UE_index, u8 eNB_index) {
 
   vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_PDCP_RUN, VCD_FUNCTION_IN);
 
+#if defined(ENABLE_ITTI)
+  do {
+    // Checks if a message has been sent to PDCP sub-task
+    itti_poll_msg (TASK_PDCP, INSTANCE_ALL, &msg_p);
+
+    if (msg_p != NULL) {
+      msg_name = ITTI_MSG_NAME (msg_p);
+      instance = ITTI_MSG_INSTANCE (msg_p);
+
+      switch (msg_p->header.messageId) {
+        case RRC_DCCH_DATA_REQ:
+          LOG_D(PDCP, "Received %s: instance %d, frame %d, eNB_flag %d, rb_id %d, muiP %d, confirmP %d, mode %d\n", msg_name, instance,
+                RRC_DCCH_DATA_REQ (msg_p).frame, RRC_DCCH_DATA_REQ (msg_p).enb_flag, RRC_DCCH_DATA_REQ (msg_p).rb_id,
+                RRC_DCCH_DATA_REQ (msg_p).muip, RRC_DCCH_DATA_REQ (msg_p).confirmp, RRC_DCCH_DATA_REQ (msg_p).mode);
+
+          pdcp_data_req (instance, RRC_DCCH_DATA_REQ (msg_p).frame, RRC_DCCH_DATA_REQ (msg_p).enb_flag,
+                         RRC_DCCH_DATA_REQ (msg_p).rb_id, RRC_DCCH_DATA_REQ (msg_p).muip,
+                         RRC_DCCH_DATA_REQ (msg_p).confirmp, RRC_DCCH_DATA_REQ (msg_p).sdu_size,
+                         RRC_DCCH_DATA_REQ (msg_p).sdu_p, RRC_DCCH_DATA_REQ (msg_p).mode);
+
+          // Message buffer has been processed, free it now.
+          free (RRC_DCCH_DATA_REQ (msg_p).sdu_p);
+          break;
+
+        default:
+          LOG_E(PDCP, "Received unexpected message %s\n", itti_get_message_name(msg_p->header.messageId));
+          break;
+      }
+
+      free (msg_p);
+    }
+  } while(msg_p != NULL);
+#endif
+
     /*
       if ((frame % 128) == 0) {
       for (i=0; i < NB_UE_INST; i++) {
diff --git a/openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.c b/openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.c
index 6b88c5ac3c..7a63853c42 100644
--- a/openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.c
+++ b/openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.c
@@ -115,6 +115,17 @@ void rlcrrc_data_ind( u8 Mod_id, u32 frame, u8 eNB_flag, unsigned int Srb_id, un
 #endif //CELLULAR
 }
 
+/********************************************************************************************************************/
+u8 pdcp_rrc_data_req(u8 module_id, u32 frame, u8 eNB_flag, unsigned int rb_id, u32 muiP, u32 confirmP,
+                     unsigned int sdu_buffer_size, u8* sdu_buffer, u8 mode) {
+  /********************************************************************************************************************/
+#ifdef CELLULAR
+  return pdcp_data_req( module_id, frame, eNB_flag, rb_id, muiP, confirmP, sdu_buffer_size, sdu_buffer, mode);
+#else
+  return rrc_lite_data_req (module_id, frame, eNB_flag, rb_id, muiP, confirmP, sdu_buffer_size, sdu_buffer, mode);
+#endif
+}
+
 /********************************************************************************************************************/
 void pdcp_rrc_data_ind( u8 Mod_id, u32 frame, u8 eNB_flag, unsigned int Srb_id, unsigned int Sdu_size,u8 *Buffer){
 /********************************************************************************************************************/
diff --git a/openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.h b/openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.h
index 7019d0fd5a..a6dc85a2d1 100644
--- a/openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.h
+++ b/openair2/RRC/L2_INTERFACE/openair_rrc_L2_interface.h
@@ -40,16 +40,22 @@
 
 #include "COMMON/mac_rrc_primitives.h"
 
-s8 mac_rrc_data_req( u8 Mod_id, u32 frame, u16 Srb_id, u8 Nb_tb,u8 *Buffer,u8 eNB_flag,u8 eNB_index, u8 mbsfn_sync_area);
-s8 mac_rrc_data_ind( u8 Mod_id,  u32 frame, u16 Srb_id, u8 *Sdu, u16 Sdu_len,u8 eNB_flag, u8 eNB_index,u8 mbsfn_sync_area);
-void mac_lite_sync_ind( u8 Mod_id, u8 status);
-void mac_rrc_meas_ind(u8,MAC_MEAS_REQ_ENTRY*);
-void rlcrrc_data_ind( u8 Mod_id, u32 frame, u8 eNB_flag,unsigned int Rb_id, u32 sdu_size,u8 *Buffer);
-void pdcp_rrc_data_ind( u8 Mod_id, u32 frame, u8 eNB_flag, unsigned int Srb_id, unsigned int Sdu_size,u8 *Buffer);
-void mac_out_of_sync_ind(u8 Mod_id,u32 frame,u16 CH_index);
+s8 mac_rrc_data_req(u8 Mod_id, u32 frame, u16 Srb_id, u8 Nb_tb, u8 *Buffer, u8 eNB_flag, u8 eNB_index,
+                    u8 mbsfn_sync_area);
+s8 mac_rrc_data_ind(u8 Mod_id, u32 frame, u16 Srb_id, u8 *Sdu, u16 Sdu_len, u8 eNB_flag, u8 eNB_index,
+                    u8 mbsfn_sync_area);
+void mac_lite_sync_ind(u8 Mod_id, u8 status);
+void mac_rrc_meas_ind(u8, MAC_MEAS_REQ_ENTRY*);
+void rlcrrc_data_ind(u8 Mod_id, u32 frame, u8 eNB_flag, unsigned int Rb_id, u32 sdu_size, u8 *Buffer);
+
+u8 pdcp_rrc_data_req(u8 module_id, u32 frame, u8 eNB_flag, unsigned int rb_id, u32 muiP, u32 confirmP,
+                     unsigned int sdu_buffer_size, u8* sdu_buffer, u8 mode);
+void pdcp_rrc_data_ind(u8 Mod_id, u32 frame, u8 eNB_flag, unsigned int Srb_id, unsigned int Sdu_size, u8 *Buffer);
+
+void mac_out_of_sync_ind(u8 Mod_id, u32 frame, u16 CH_index);
 char openair_rrc_eNB_init(u8 Mod_id);
 char openair_rrc_ue_init(u8 Mod_id, unsigned char eNB_index);
-int mac_get_rrc_status(u8 Mod_id,u8 eNB_flag,u8 index);
-void mac_in_sync_ind(u8 Mod_id,u32 frame, u16 eNB_index);
+int mac_get_rrc_status(u8 Mod_id, u8 eNB_flag, u8 index);
+void mac_in_sync_ind(u8 Mod_id, u32 frame, u16 eNB_index);
 
 #endif
diff --git a/openair2/RRC/LITE/L2_interface.c b/openair2/RRC/LITE/L2_interface.c
index c82e27ecc4..2654710704 100644
--- a/openair2/RRC/LITE/L2_interface.c
+++ b/openair2/RRC/LITE/L2_interface.c
@@ -44,6 +44,7 @@
 //#include "openair_rrc_utils.h"
 //#include "openair_rrc_main.h"
 #include "UTIL/LOG/log.h"
+#include "pdcp.h"
 
 #ifdef PHY_EMUL
 #include "SIMULATION/simulation_defs.h"
@@ -61,15 +62,10 @@ extern UE_MAC_INST *UE_mac_inst;
 
 u32 mui=0;
 
-s8 mac_rrc_lite_data_req( u8 Mod_id,
-			  u32 frame,
-			  u16 Srb_id,
-			  u8 Nb_tb,
-			  char *Buffer,
-			  u8 eNB_flag,
-			  u8 eNB_index,
-			  u8 mbsfn_sync_area){
-
+//-------------------------------------------------------------------------------------------//
+s8 mac_rrc_lite_data_req(u8 Mod_id, u32 frame, u16 Srb_id, u8 Nb_tb, char *Buffer, u8 eNB_flag, u8 eNB_index,
+                         u8 mbsfn_sync_area) {
+//-------------------------------------------------------------------------------------------//
   SRB_INFO *Srb_info;
   u8 Sdu_size=0;
 
@@ -182,8 +178,9 @@ s8 mac_rrc_lite_data_req( u8 Mod_id,
   return(0);
 }
 
+//-------------------------------------------------------------------------------------------//
 s8 mac_rrc_lite_data_ind(u8 Mod_id, u32 frame, u16 Srb_id, u8 *Sdu, u16 sdu_size,u8 eNB_flag,u8 eNB_index,u8 mbsfn_sync_area){
-
+//-------------------------------------------------------------------------------------------//
   SRB_INFO *Srb_info;
   /*
   int si_window;
@@ -333,27 +330,51 @@ s8 mac_rrc_lite_data_ind(u8 Mod_id, u32 frame, u16 Srb_id, u8 *Sdu, u16 sdu_size
 }
 
 //-------------------------------------------------------------------------------------------//
+// this function is Not USED anymore
 void mac_lite_sync_ind(u8 Mod_id,u8 Status){
 //-------------------------------------------------------------------------------------------//
+}
+
+//-------------------------------------------------------------------------------------------//
+u8 rrc_lite_data_req(u8 Mod_id, u32 frame, u8 eNB_flag, unsigned int rb_id, u32 muiP, u32 confirmP,
+                     unsigned int sdu_size, u8* Buffer, u8 mode) {
+//-------------------------------------------------------------------------------------------//
 #if defined(ENABLE_ITTI)
   {
     MessageDef *message_p;
+    // Uses a new buffer to avoid issue with PDCP buffer content that could be changed by PDCP (asynchronous message handling).
+    u8 *message_buffer;
 
-    message_p = itti_alloc_new_message (TASK_MAC, RRC_MAC_SYNC_IND);
-    RRC_MAC_SYNC_IND(message_p).status = Status;
+    message_buffer = malloc (sdu_size);
+    memcpy (message_buffer, Buffer, sdu_size);
+
+    message_p = itti_alloc_new_message (TASK_RRC_UE, RRC_DCCH_DATA_REQ);
+    RRC_DCCH_DATA_REQ (message_p).frame = frame;
+    RRC_DCCH_DATA_REQ (message_p).enb_flag = eNB_flag;
+    RRC_DCCH_DATA_REQ (message_p).rb_id = rb_id;
+    RRC_DCCH_DATA_REQ (message_p).muip = muiP;
+    RRC_DCCH_DATA_REQ (message_p).confirmp = confirmP;
+    RRC_DCCH_DATA_REQ (message_p).sdu_size = sdu_size;
+    RRC_DCCH_DATA_REQ (message_p).sdu_p = message_buffer;
+    RRC_DCCH_DATA_REQ (message_p).mode = mode;
+
+
+    itti_send_msg_to_task (TASK_PDCP, Mod_id, message_p);
+    return TRUE; // TODO should be changed to a CNF message later, currently RRC lite does not used the returned value anyway.
 
-    itti_send_msg_to_task (TASK_RRC_UE, Mod_id, message_p);
   }
+#else
+  return pdcp_data_req (Mod_id, frame, eNB_flag, rb_id, muiP, confirmP, sdu_size, Buffer, mode);
 #endif
 }
 
-// this function is Not USED anymore
+//-------------------------------------------------------------------------------------------//
 void rrc_lite_data_ind( u8 Mod_id, u32 frame, u8 eNB_flag,u32 Srb_id, u32 sdu_size,u8 *Buffer){
-
+//-------------------------------------------------------------------------------------------//
   u8 UE_index=(Srb_id-1)/NB_RB_MAX;
   u8 DCCH_index = Srb_id % NB_RB_MAX;
 
-  LOG_N(RRC,"[%s %d] Frame %d: received a DCCH %d message on SRB %d with Size %d (Deprecated function)\n",
+  LOG_N(RRC,"[%s %d] Frame %d: received a DCCH %d message on SRB %d with Size %d\n",
 	(eNB_flag == 1)? "eNB": "UE", 
 	(eNB_flag == 1)? Mod_id : UE_index, 
 	frame, DCCH_index,Srb_id-1,sdu_size);
@@ -387,7 +408,9 @@ void rrc_lite_data_ind( u8 Mod_id, u32 frame, u8 eNB_flag,u32 Srb_id, u32 sdu_si
 
 }
 
+//-------------------------------------------------------------------------------------------//
 void rrc_lite_in_sync_ind(u8 Mod_id, u32 frame, u16 eNB_index) {
+//-------------------------------------------------------------------------------------------//
 #if defined(ENABLE_ITTI)
   {
     MessageDef *message_p;
@@ -404,8 +427,10 @@ void rrc_lite_in_sync_ind(u8 Mod_id, u32 frame, u16 eNB_index) {
     UE_rrc_inst[Mod_id].Info[eNB_index].N311_cnt++;
 #endif
 }
-void rrc_lite_out_of_sync_ind(u8  Mod_id, u32 frame, u16 eNB_index){
 
+//-------------------------------------------------------------------------------------------//
+void rrc_lite_out_of_sync_ind(u8  Mod_id, u32 frame, u16 eNB_index){
+//-------------------------------------------------------------------------------------------//
 //  rlc_info_t rlc_infoP;
 //  rlc_infoP.rlc_mode=RLC_UM;
 
@@ -431,16 +456,30 @@ void rrc_lite_out_of_sync_ind(u8  Mod_id, u32 frame, u16 eNB_index){
 
 }
 
+//-------------------------------------------------------------------------------------------//
 int mac_get_rrc_lite_status(u8 Mod_id,u8 eNB_flag,u8 index){
+//-------------------------------------------------------------------------------------------//
   if(eNB_flag == 1)
     return(eNB_rrc_inst[Mod_id].Info.Status[index]);
   else
     return(UE_rrc_inst[Mod_id].Info[index].State);
 }
 
-
+//-------------------------------------------------------------------------------------------//
 int mac_ue_ccch_success_ind(u8 Mod_id, u8 eNB_index) {
+//-------------------------------------------------------------------------------------------//
+#if defined(ENABLE_ITTI)
+  {
+    MessageDef *message_p;
+
+    message_p = itti_alloc_new_message (TASK_MAC, RRC_MAC_CCCH_SUCCESS_IND);
+    RRC_MAC_CCCH_SUCCESS_IND (message_p).enb_index = eNB_index;
+
+    itti_send_msg_to_task (TASK_RRC_UE, Mod_id - NB_eNB_INST, message_p);
+  }
+#else
   // reset the tx buffer to indicate RRC that ccch was successfully transmitted (for example if contention resolution succeeds)
   UE_rrc_inst[Mod_id].Srb0[eNB_index].Tx_buffer.payload_size=0;
+#endif
   return 0;
 }
diff --git a/openair2/RRC/LITE/MESSAGES/asn1_msg.h b/openair2/RRC/LITE/MESSAGES/asn1_msg.h
index 4ddd83fa1b..3e417215d5 100644
--- a/openair2/RRC/LITE/MESSAGES/asn1_msg.h
+++ b/openair2/RRC/LITE/MESSAGES/asn1_msg.h
@@ -146,6 +146,7 @@ uint8_t do_MBSFNAreaConfig(LTE_DL_FRAME_PARMS *frame_parms,
 			   MBSFNAreaConfiguration_r9_t **mbsfnAreaConfiguration);
 #endif 
 
+uint8_t do_MeasurementReport(uint8_t *buffer,int measid,int phy_id,int rsrp_s,int rsrq_s,long rsrp_t,long rsrq_t);
 
 OAI_UECapability_t *fill_ue_capability();
 
diff --git a/openair2/RRC/LITE/defs.h b/openair2/RRC/LITE/defs.h
index ff5e62df9c..c15f762124 100644
--- a/openair2/RRC/LITE/defs.h
+++ b/openair2/RRC/LITE/defs.h
@@ -469,6 +469,8 @@ void *rrc_ue_task(void *args_p);
 s8 mac_rrc_lite_data_req( u8 Mod_id, u32 frame, unsigned short Srb_id, u8 Nb_tb,char *Buffer,u8 eNB_flag, u8 eNB_index, u8 mbsfn_sync_area);
 s8 mac_rrc_lite_data_ind( u8 Mod_id,  u32 frame, unsigned short Srb_id, u8 *Sdu, unsigned short Sdu_len,u8 eNB_flag,u8 eNB_index, u8 mbsfn_sync_area);
 void mac_sync_ind( u8 Mod_id, u8 status);
+u8 rrc_lite_data_req(u8 Mod_id, u32 frame, u8 eNB_flag, unsigned int rb_id, u32 muiP, u32 confirmP,
+                     unsigned int sdu_size, u8* Buffer, u8 mode);
 void rrc_lite_data_ind( u8 Mod_id, u32 frame, u8 eNB_flag, u32 Rb_id, u32 sdu_size,u8 *Buffer);
 void rrc_lite_out_of_sync_ind(u8 Mod_id, u32 frame, unsigned short eNB_index);
 
diff --git a/openair2/RRC/LITE/rrc_UE.c b/openair2/RRC/LITE/rrc_UE.c
index a137b77fb8..f9b2796bcb 100644
--- a/openair2/RRC/LITE/rrc_UE.c
+++ b/openair2/RRC/LITE/rrc_UE.c
@@ -43,7 +43,9 @@
 #include "COMMON/mac_rrc_primitives.h"
 #include "UTIL/LOG/log.h"
 #include "UTIL/LOG/vcd_signal_dumper.h"
-//#include "RRC/LITE/MESSAGES/asn1_msg.h"
+#ifndef CELLULAR
+#include "RRC/LITE/MESSAGES/asn1_msg.h"
+#endif
 #include "RRCConnectionRequest.h"
 #include "RRCConnectionReconfiguration.h"
 #include "UL-CCCH-Message.h"
@@ -73,6 +75,8 @@
 # include "UTIL/OSA/osa_defs.h"
 #endif
 
+#include "pdcp.h"
+
 #ifdef PHY_EMUL
 extern EMULATION_VARS *Emul_vars;
 #endif
@@ -244,7 +248,7 @@ void rrc_ue_generate_RRCConnectionSetupComplete(u8 Mod_id, u32 frame, u8 eNB_ind
                                      frame, Mod_id+NB_eNB_INST, size, eNB_index, rrc_mui, Mod_id+NB_eNB_INST, DCCH);
 
    //  rrc_rlc_data_req(Mod_id+NB_eNB_INST,frame, 0 ,DCCH,rrc_mui++,0,size,(char*)buffer);
-   pdcp_data_req(Mod_id+NB_eNB_INST,frame, 0 ,DCCH,rrc_mui++,0,size,(char*)buffer,1);
+  pdcp_rrc_data_req (Mod_id + NB_eNB_INST, frame, 0, DCCH, rrc_mui++, 0, size, buffer, 1);
 
 }
 
@@ -262,11 +266,11 @@ void rrc_ue_generate_RRCConnectionReconfigurationComplete(u8 Mod_id, u32 frame,
 	frame, Mod_id+NB_eNB_INST, size, eNB_index, rrc_mui, Mod_id+NB_eNB_INST, DCCH);
 
   //rrc_rlc_data_req(Mod_id+NB_eNB_INST,frame, 0 ,DCCH,rrc_mui++,0,size,(char*)buffer);
-  pdcp_data_req(Mod_id+NB_eNB_INST,frame, 0 ,DCCH,rrc_mui++,0,size,(char*)buffer,1);
+  pdcp_rrc_data_req (Mod_id + NB_eNB_INST, frame, 0, DCCH, rrc_mui++, 0, size, buffer, 1);
 }
 
 
-void rrc_ue_generate_MeasurementReport(u8 Mod_id,u8 eNB_index) {
+void rrc_ue_generate_MeasurementReport(u8 Mod_id, u32 frame, u8 eNB_index) {
 
   u8 buffer[32], size;
 
@@ -277,7 +281,7 @@ void rrc_ue_generate_MeasurementReport(u8 Mod_id,u8 eNB_index) {
   LOG_D(RLC, "[MSC_MSG][FRAME %05d][RRC_UE][MOD %02d][][--- PDCP_DATA_REQ/%d Bytes (RRCConnectionReconfigurationComplete to eNB %d MUI %d) --->][PDCP][MOD %02d][RB %02d]\n",
     Mac_rlc_xface->frame, Mod_id+NB_eNB_INST, size, eNB_index, rrc_mui, Mod_id+NB_eNB_INST, DCCH);
   //rrc_rlc_data_req(Mod_id+NB_eNB_INST,DCCH,rrc_mui++,0,size,(char*)buffer);
-  pdcp_data_req(Mod_id+NB_eNB_INST,DCCH,rrc_mui++,0,size,(char*)buffer,1);
+  pdcp_rrc_data_req (Mod_id + NB_eNB_INST, frame, 0, DCCH, rrc_mui++, 0, size, buffer, 1);
 }
 
 /*------------------------------------------------------------------------------*/
@@ -287,7 +291,7 @@ int rrc_ue_decode_ccch(u8 Mod_id, u32 frame, SRB_INFO *Srb_info, u8 eNB_index){
   //DL_CCCH_Message_t dlccchmsg;
   DL_CCCH_Message_t *dl_ccch_msg=NULL;//&dlccchmsg;
   asn_dec_rval_t dec_rval;
-  int i,rval=0;
+  int rval=0;
 
   vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_CCCH, VCD_FUNCTION_IN);
 
@@ -423,7 +427,9 @@ s32 rrc_ue_establish_srb2(u8 Mod_id,u32 frame,u8 eNB_index,
 
 s32 rrc_ue_establish_drb(u8 Mod_id,u32 frame,u8 eNB_index,
 			 struct DRB_ToAddMod *DRB_config) { // add descriptor from RRC PDU
+#ifdef NAS_NETLINK
   int oip_ifup=0,ip_addr_offset3=0,ip_addr_offset4=0;
+#endif
 
   LOG_I(RRC,"[UE] Frame %d: processing RRCConnectionReconfiguration: reconfiguring DRB %ld/LCID %d\n",
 	frame,DRB_config->drb_Identity,(int)*DRB_config->logicalChannelIdentity);
@@ -484,7 +490,6 @@ void  rrc_ue_process_measConfig(u8 Mod_id,u8 eNB_index,MeasConfig_t *measConfig)
   int i;
   long ind;
   MeasObjectToAddMod_t *measObj;
-  MeasObjectEUTRA_t *measObjd;
 
   if (measConfig->measObjectToRemoveList != NULL) {
     for (i=0;i<measConfig->measObjectToRemoveList->list.count;i++) {
@@ -839,7 +844,7 @@ void	rrc_ue_process_radioResourceConfigDedicated(u8 Mod_id,u32 frame, u8 eNB_ind
 
   // Establish DRBs if present
   if (radioResourceConfigDedicated->drb_ToAddModList) {
-    uint8_t *kUPenc;
+    uint8_t *kUPenc = NULL;
 
 #if defined(ENABLE_SECURITY)
     derive_key_up_enc(UE_rrc_inst[Mod_id].integrity_algorithm,
@@ -927,7 +932,6 @@ void rrc_ue_process_securityModeCommand(uint8_t Mod_id,uint32_t frame,SecurityMo
 
   UL_DCCH_Message_t ul_dcch_msg;
   // SecurityModeCommand_t SecurityModeCommand;
-  DL_DCCH_Message_t *dl_dcch_msg=NULL;
   uint8_t buffer[200];
   int i, securityMode;
   
@@ -1001,12 +1005,12 @@ void rrc_ue_process_securityModeCommand(uint8_t Mod_id,uint32_t frame,SecurityMo
 #endif	  
 
 #ifdef USER_MODE
-	  LOG_D(RRC,"securityModeComplete Encoded %d bits (%d bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8);
+      LOG_D(RRC, "securityModeComplete Encoded %d bits (%d bytes)\n", enc_rval.encoded, (enc_rval.encoded+7)/8);
 #endif
-	  for (i=0;i<(enc_rval.encoded+7)/8;i++) 
-	    LOG_T(RRC,"%02x.",buffer[i]);
-	  LOG_T(RRC,"\n");
-	  pdcp_data_req(Mod_id+NB_eNB_INST,frame, 0 ,DCCH,rrc_mui++,0,(enc_rval.encoded+7)/8,(char*)buffer,1);
+      for (i = 0; i < (enc_rval.encoded + 7) / 8; i++)
+        LOG_T(RRC, "%02x.", buffer[i]);
+      LOG_T(RRC, "\n");
+      pdcp_rrc_data_req (Mod_id + NB_eNB_INST, frame, 0, DCCH, rrc_mui++, 0, (enc_rval.encoded + 7) / 8, buffer, 1);
     }
   }
   
@@ -1066,16 +1070,21 @@ void rrc_ue_process_ueCapabilityEnquiry(uint8_t Mod_id,uint32_t frame,UECapabili
 #ifdef USER_MODE
 	  LOG_D(RRC,"UECapabilityInformation Encoded %d bits (%d bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8);
 #endif
-	  for (i=0;i<(enc_rval.encoded+7)/8;i++) 
-	    LOG_T(RRC,"%02x.",buffer[i]);
-	  LOG_T(RRC,"\n");
-	  pdcp_data_req(Mod_id+NB_eNB_INST,frame, 0 ,DCCH,rrc_mui++,0,(enc_rval.encoded+7)/8,(char*)buffer,1);
-	}
+          for (i = 0; i < (enc_rval.encoded + 7) / 8; i++)
+            LOG_T(RRC, "%02x.", buffer[i]);
+          LOG_T(RRC, "\n");
+          pdcp_rrc_data_req (Mod_id + NB_eNB_INST, frame, 0, DCCH, rrc_mui++, 0, (enc_rval.encoded + 7) / 8, buffer, 1);
+        }
       }
     }
   }
 }
 
+void    rrc_ue_process_mobilityControlInfo(u8 Mod_id,u8 eNB_index,struct MobilityControlInfo *mobilityControlInfo) {
+
+
+}
+
 void rrc_ue_process_rrcConnectionReconfiguration(u8 Mod_id, u32 frame,
 						 RRCConnectionReconfiguration_t *rrcConnectionReconfiguration,
 						 u8 eNB_index) {
@@ -1105,11 +1114,6 @@ void rrc_ue_process_rrcConnectionReconfiguration(u8 Mod_id, u32 frame,
   } // critical extensions present
 }
 
-void	rrc_ue_process_mobilityControlInfo(u8 Mod_id,u8 eNB_index,struct MobilityControlInfo *mobilityControlInfo) {
-
-
-}
-
 /*------------------------------------------------------------------------------------------*/
 void  rrc_ue_decode_dcch(u8 Mod_id,u32 frame,u8 Srb_id, u8 *Buffer,u8 eNB_index){
   /*------------------------------------------------------------------------------------------*/
@@ -1117,7 +1121,7 @@ void  rrc_ue_decode_dcch(u8 Mod_id,u32 frame,u8 Srb_id, u8 *Buffer,u8 eNB_index)
   //DL_DCCH_Message_t dldcchmsg;
   DL_DCCH_Message_t *dl_dcch_msg=NULL;//&dldcchmsg;
   //  asn_dec_rval_t dec_rval;
-  int i;
+  // int i;
 
   if (Srb_id != 1) {
     LOG_E(RRC,"[UE %d] Frame %d: Received message on DL-DCCH (SRB1), should not have ...\n",Mod_id,frame);
@@ -1217,7 +1221,7 @@ int decode_BCCH_DLSCH_Message(u8 Mod_id,u32 frame,u8 eNB_index,u8 *Sdu,u8 Sdu_le
   SystemInformation_t **si=UE_rrc_inst[Mod_id].si[eNB_index];
   asn_dec_rval_t dec_rval;
   uint32_t si_window;//, sib1_decoded=0, si_decoded=0;
-  int i;
+  // int i;
 
   vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_BCCH, VCD_FUNCTION_IN);
 
@@ -1297,7 +1301,6 @@ int decode_BCCH_DLSCH_Message(u8 Mod_id,u32 frame,u8 eNB_index,u8 *Sdu,u8 Sdu_le
 
 
 int decode_SIB1(u8 Mod_id,u8 eNB_index) {
-  asn_dec_rval_t dec_rval;
   SystemInformationBlockType1_t **sib1=&UE_rrc_inst[Mod_id].sib1[eNB_index];
   int i;
 
diff --git a/openair2/RRC/LITE/rrc_common.c b/openair2/RRC/LITE/rrc_common.c
index 1e511e99f7..fc7a26224d 100644
--- a/openair2/RRC/LITE/rrc_common.c
+++ b/openair2/RRC/LITE/rrc_common.c
@@ -384,8 +384,7 @@ void *rrc_ue_task(void *args_p) {
 
   itti_mark_task_ready (TASK_RRC_UE);
 
-  while(1)
-  {
+  while(1) {
     // Wait for a message
     itti_receive_msg (TASK_RRC_UE, &msg_p);
 
@@ -445,6 +444,14 @@ void *rrc_ue_task(void *args_p) {
         free (RRC_MAC_CCCH_DATA_IND (msg_p).sdu_p);
         break;
 
+      case RRC_MAC_CCCH_SUCCESS_IND:
+        LOG_D(RRC, "Received %s: instance %d, eNB %d\n", msg_name, instance,
+              RRC_MAC_CCCH_SUCCESS_IND (msg_p).enb_index);
+
+        // reset the tx buffer to indicate RRC that ccch was successfully transmitted (for example if contention resolution succeeds)
+        UE_rrc_inst[instance].Srb0[RRC_MAC_CCCH_SUCCESS_IND (msg_p).enb_index].Tx_buffer.payload_size = 0;
+        break;
+
 #ifdef Rel10
       case RRC_MAC_MCCH_DATA_IND:
         LOG_D(RRC, "Received %s: instance %d, frame %d, eNB %d, mbsfn SA %d\n", msg_name, instance,
@@ -477,6 +484,6 @@ void *rrc_ue_task(void *args_p) {
     }
 
     free (msg_p);
-}
+  }
 }
 #endif
diff --git a/targets/SIMU/USER/oaisim.c b/targets/SIMU/USER/oaisim.c
index 286d2a423a..fcef8c7b76 100644
--- a/targets/SIMU/USER/oaisim.c
+++ b/targets/SIMU/USER/oaisim.c
@@ -376,36 +376,36 @@ void *l2l1_task(void *args_p) {
   char fname[64], vname[64];
 
 #if defined(ENABLE_ITTI)
-    MessageDef *message_p;
+  MessageDef *message_p;
 
-    itti_mark_task_ready (TASK_L2L1);
+  itti_mark_task_ready (TASK_L2L1);
 #endif
 
   for (frame = 0; frame < oai_emulation.info.n_frames; frame++) {
 
 #if defined(ENABLE_ITTI)
-    // Checks if a message has been sent to L2L1 task
-    itti_poll_msg(TASK_L2L1, INSTANCE_ALL, &message_p);
+    do {
+      // Checks if a message has been sent to L2L1 task
+      itti_poll_msg (TASK_L2L1, INSTANCE_ALL, &message_p);
 
-    if(message_p != NULL)
-    {
-      switch(message_p->header.messageId)
-      {
-        case TERMINATE_MESSAGE:
-          itti_exit_task();
-          break;
+      if (message_p != NULL) {
+        switch (message_p->header.messageId) {
+          case TERMINATE_MESSAGE:
+            itti_exit_task ();
+            break;
 
-        case MESSAGE_TEST:
-          LOG_D(EMU, "Received %s\n", itti_get_message_name(message_p->header.messageId));
-          break;
+          case MESSAGE_TEST:
+            LOG_D(EMU, "Received %s\n", itti_get_message_name(message_p->header.messageId));
+            break;
 
-        default:
-          LOG_E(EMU, "Received unexpected message %s\n", itti_get_message_name(message_p->header.messageId));
-          break;
+          default:
+            LOG_E(EMU, "Received unexpected message %s\n", itti_get_message_name(message_p->header.messageId));
+            break;
+        }
+
+        free (message_p);
       }
-
-      free(message_p);
-    }
+    } while(message_p != NULL);
 #endif
 
     /*