diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
index 7fd870ed1f..21dbee692e 100644
--- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
@@ -203,4 +203,6 @@ void nr_mac_gNB_rrc_ul_failure_reset(const module_id_t Mod_instP,
                                      const sub_frame_t subframeP,
                                      const rnti_t rntiP);
 
+void nr_mac_gNB_enable_rrc_processing_timer_req(const module_id_t Mod_instP, const rnti_t rntiP);
+
 #endif
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
index f36dbc4a16..9d0a2d1fbe 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
@@ -1942,6 +1942,11 @@ void nr_check_Msg4_Ack(module_id_t module_id, int CC_id, frame_t frame, sub_fram
         LOG_A(NR_MAC, "(ue %i, rnti 0x%04x) Received Ack of RA-Msg4. CBRA procedure succeeded!\n", UE_id, ra->rnti);
         UE_info->active[UE_id] = true;
         UE_info->Msg4_ACKed[UE_id] = true;
+
+        // Pause scheduling according to:
+        // 3GPP TS 38.331 Section 12 Table 12.1-1: UE performance requirements for RRC procedures for UEs
+        sched_ctrl->schedule_enabled = false;
+        nr_mac_gNB_enable_rrc_processing_timer_req(module_id, ra->rnti);
       }
       else {
         LOG_I(NR_MAC, "(ue %i, rnti 0x%04x) RA Procedure failed at Msg4!\n", UE_id, ra->rnti);
diff --git a/openair2/RRC/NR/L2_nr_interface.c b/openair2/RRC/NR/L2_nr_interface.c
index a1f776b5ca..77890d4a08 100644
--- a/openair2/RRC/NR/L2_nr_interface.c
+++ b/openair2/RRC/NR/L2_nr_interface.c
@@ -391,4 +391,15 @@ void nr_mac_gNB_rrc_ul_failure_reset(const module_id_t Mod_instP,
   } else {
     LOG_W(RRC,"Frame %d, Subframe %d: UL failure reset: UE %x unknown \n",frameP,subframeP,rntiP);
   }
+}
+
+void nr_mac_gNB_enable_rrc_processing_timer_req(const module_id_t Mod_instP, const rnti_t rntiP) {
+  struct rrc_gNB_ue_context_s *ue_context_p = NULL;
+  ue_context_p = rrc_gNB_get_ue_context(RC.nrrrc[Mod_instP], rntiP);
+  if (ue_context_p != NULL) {
+    ue_context_p->ue_context.nr_rrc_processing_timer = 1;
+    ue_context_p->ue_context.nr_rrc_processing_delay = NR_RRC_PROCESSING_DELAY_MS;
+  } else {
+    LOG_D(RRC,"%s: Unknown RNTI 0x%04x\n", __FUNCTION__, rntiP);
+  }
 }
\ No newline at end of file
diff --git a/openair2/RRC/NR/nr_rrc_defs.h b/openair2/RRC/NR/nr_rrc_defs.h
index 448b76d785..588ba5c03f 100644
--- a/openair2/RRC/NR/nr_rrc_defs.h
+++ b/openair2/RRC/NR/nr_rrc_defs.h
@@ -96,6 +96,9 @@ typedef struct nr_uid_linear_allocator_s {
 #define PROTOCOL_NR_RRC_CTXT_FMT                   PROTOCOL_CTXT_FMT
 #define PROTOCOL_NR_RRC_CTXT_ARGS(CTXT_Pp)         PROTOCOL_NR_CTXT_ARGS(CTXT_Pp)
 
+// Delay to take in consideration for sl_ahead value
+#define TX_SL_AHEAD_DELAY 3
+
 // 3GPP TS 38.331 Section 12 Table 12.1-1: UE performance requirements for RRC procedures for UEs
 #define NR_RRC_PROCESSING_DELAY_MS  10
 
diff --git a/openair2/RRC/NR/rrc_gNB.c b/openair2/RRC/NR/rrc_gNB.c
index 5a1c188602..d8474de67e 100755
--- a/openair2/RRC/NR/rrc_gNB.c
+++ b/openair2/RRC/NR/rrc_gNB.c
@@ -142,10 +142,9 @@ void openair_nr_rrc_on(const protocol_ctxt_t *const ctxt_pP) {
 
 void enable_nr_rrc_processing_timer(module_id_t module_id,
                                     rrc_gNB_ue_context_t *ue_context_pP,
-                                    NR_SubcarrierSpacing_t subcarrierSpacing,
                                     uint32_t delay_ms) {
   ue_context_pP->ue_context.nr_rrc_processing_timer = 1;
-  ue_context_pP->ue_context.nr_rrc_processing_delay = delay_ms << subcarrierSpacing;
+  ue_context_pP->ue_context.nr_rrc_processing_delay = delay_ms;
   nr_rrc_mac_schedule_ue_enabled(module_id, ue_context_pP->ue_context.rnti, false);
 }
 
@@ -353,11 +352,6 @@ rrc_gNB_generate_RRCSetup(
 						  masterCellGroup_from_DU,
 						  scc,&rrc->carrier);
 
-  enable_nr_rrc_processing_timer(ctxt_pP->module_id,
-                                 ue_context_pP,
-                                 rrc->carrier.servingcellconfigcommon->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
-                                 NR_RRC_PROCESSING_DELAY_MS);
-
   LOG_DUMPMSG(NR_RRC, DEBUG_RRC,
               (char *)(ue_p->Srb0.Tx_buffer.Payload),
               ue_p->Srb0.Tx_buffer.payload_size,
@@ -468,11 +462,6 @@ rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(
 						  NULL,
 						  scc,&rrc_instance_p->carrier);
 
-  enable_nr_rrc_processing_timer(ctxt_pP->module_id,
-                                 ue_context_pP,
-                                 rrc_instance_p->carrier.servingcellconfigcommon->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
-                                 NR_RRC_PROCESSING_DELAY_MS);
-
   LOG_DUMPMSG(NR_RRC, DEBUG_RRC,
               (char *)(ue_p->Srb0.Tx_buffer.Payload),
               ue_p->Srb0.Tx_buffer.payload_size,
@@ -743,10 +732,7 @@ rrc_gNB_generate_defaultRRCReconfiguration(
                                 NULL,
                                 ue_p->masterCellGroup);
 
-  enable_nr_rrc_processing_timer(ctxt_pP->module_id,
-                                 ue_context_pP,
-                                 rrc->carrier.servingcellconfigcommon->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
-                                 NR_RRC_PROCESSING_DELAY_MS);
+  enable_nr_rrc_processing_timer(ctxt_pP->module_id, ue_context_pP, TX_SL_AHEAD_DELAY + NR_RRC_PROCESSING_DELAY_MS);
 
   free(ue_context_pP->ue_context.nas_pdu.buffer);
 
@@ -1011,10 +997,7 @@ rrc_gNB_generate_dedicatedRRCReconfiguration(
                                 NULL,
                                 cellGroupConfig);
 
-  enable_nr_rrc_processing_timer(ctxt_pP->module_id,
-                                 ue_context_pP,
-                                 rrc->carrier.servingcellconfigcommon->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
-                                 NR_RRC_PROCESSING_DELAY_MS);
+  enable_nr_rrc_processing_timer(ctxt_pP->module_id, ue_context_pP, TX_SL_AHEAD_DELAY + NR_RRC_PROCESSING_DELAY_MS);
 
   LOG_DUMPMSG(NR_RRC,DEBUG_RRC,(char *)buffer,size, "[MSG] RRC Reconfiguration\n");
 
@@ -1189,10 +1172,7 @@ rrc_gNB_modify_dedicatedRRCReconfiguration(
                                 NULL,
                                 NULL);
 
-  enable_nr_rrc_processing_timer(ctxt_pP->module_id,
-                                 ue_context_pP,
-                                 RC.nrrrc[ctxt_pP->module_id]->carrier.servingcellconfigcommon->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
-                                 NR_RRC_PROCESSING_DELAY_MS);
+  enable_nr_rrc_processing_timer(ctxt_pP->module_id, ue_context_pP, TX_SL_AHEAD_DELAY + NR_RRC_PROCESSING_DELAY_MS);
 
   LOG_DUMPMSG(NR_RRC, DEBUG_RRC, (char *)buffer, size, "[MSG] RRC Reconfiguration\n");
 
@@ -1295,10 +1275,7 @@ rrc_gNB_generate_dedicatedRRCReconfiguration_release(
                                NULL,
                                NULL);
 
-  enable_nr_rrc_processing_timer(ctxt_pP->module_id,
-                                 ue_context_pP,
-                                 RC.nrrrc[ctxt_pP->module_id]->carrier.servingcellconfigcommon->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
-                                 NR_RRC_PROCESSING_DELAY_MS);
+  enable_nr_rrc_processing_timer(ctxt_pP->module_id, ue_context_pP, TX_SL_AHEAD_DELAY + NR_RRC_PROCESSING_DELAY_MS);
 
   ue_context_pP->ue_context.pdu_session_release_command_flag = 1;
 
@@ -1850,10 +1827,7 @@ rrc_gNB_process_RRCConnectionReestablishmentComplete(
                                 NULL,
                                 NULL);
 
-  enable_nr_rrc_processing_timer(ctxt_pP->module_id,
-                                 ue_context_pP,
-                                 RC.nrrrc[ctxt_pP->module_id]->carrier.servingcellconfigcommon->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
-                                 NR_RRC_PROCESSING_DELAY_MS);
+  enable_nr_rrc_processing_timer(ctxt_pP->module_id, ue_context_pP, TX_SL_AHEAD_DELAY + NR_RRC_PROCESSING_DELAY_MS);
 
   LOG_DUMPMSG(NR_RRC,DEBUG_RRC,(char *)buffer,size, "[MSG] RRC Reconfiguration\n");
 
@@ -3475,7 +3449,7 @@ void nr_rrc_subframe_process(protocol_ctxt_t *const ctxt_pP, const int CC_id) {
 
     if (ue_context_p->ue_context.nr_rrc_processing_timer > 0) {
       ue_context_p->ue_context.nr_rrc_processing_timer++;
-      if(ue_context_p->ue_context.nr_rrc_processing_timer >= ue_context_p->ue_context.nr_rrc_processing_delay) {
+      if (ue_context_p->ue_context.nr_rrc_processing_timer > ue_context_p->ue_context.nr_rrc_processing_delay) {
         ue_context_p->ue_context.nr_rrc_processing_timer = 0;
         nr_rrc_mac_schedule_ue_enabled(ctxt_pP->module_id, ue_context_p->ue_context.rnti, true);
       }