L2 stabilization BSR fertilization

openair2/LAYER2/MAC/config.c

@@ -76,6 +76,7 @@ void ue_mac_reset(module_id_t module_idP,uint8_t eNB_index)
   // cancel all pending SRs
   UE_mac_inst[module_idP].scheduling_info.SR_pending=0;
   UE_mac_inst[module_idP].scheduling_info.SR_COUNTER=0;
+  UE_mac_inst[module_idP].BSR_reporting_active=0;
 
   // stop ongoing RACH procedure
 
@@ -235,10 +236,31 @@ rrc_mac_config_req(
         UE_mac_inst[Mod_idP].scheduling_info.sr_ProhibitTimer  = (uint16_t) 0;
       }
 
+      if (mac_MainConfig->ext2 && mac_MainConfig->ext2->mac_MainConfig_v1020) {
+        if (mac_MainConfig->ext2->mac_MainConfig_v1020->extendedBSR_Sizes_r10) {
+          UE_mac_inst[Mod_idP].scheduling_info.extendedBSR_Sizes_r10 = (uint16_t) *mac_MainConfig->ext2->mac_MainConfig_v1020->extendedBSR_Sizes_r10;
+        } else {
+          UE_mac_inst[Mod_idP].scheduling_info.extendedBSR_Sizes_r10 = (uint16_t)0;
+        }
+        if (mac_MainConfig->ext2->mac_MainConfig_v1020->extendedPHR_r10) {
+          UE_mac_inst[Mod_idP].scheduling_info.extendedPHR_r10 = (uint16_t) *mac_MainConfig->ext2->mac_MainConfig_v1020->extendedPHR_r10;
+        } else {
+          UE_mac_inst[Mod_idP].scheduling_info.extendedPHR_r10 = (uint16_t)0;
+        }
+      } else {
+        UE_mac_inst[Mod_idP].scheduling_info.extendedBSR_Sizes_r10 = (uint16_t)0;
+        UE_mac_inst[Mod_idP].scheduling_info.extendedPHR_r10 = (uint16_t)0;
+      }
 #endif
       UE_mac_inst[Mod_idP].scheduling_info.periodicBSR_SF  = get_sf_periodicBSRTimer(UE_mac_inst[Mod_idP].scheduling_info.periodicBSR_Timer);
       UE_mac_inst[Mod_idP].scheduling_info.retxBSR_SF     = get_sf_retxBSRTimer(UE_mac_inst[Mod_idP].scheduling_info.retxBSR_Timer);
+      UE_mac_inst[Mod_idP].BSR_reporting_active = 0;
 
+      LOG_D(MAC,"[UE %d]: periodic BSR %d (SF), retx BSR %d (SF)\n",
+            Mod_idP,
+            UE_mac_inst[Mod_idP].scheduling_info.periodicBSR_SF,
+            UE_mac_inst[Mod_idP].scheduling_info.retxBSR_SF);
+      
       UE_mac_inst[Mod_idP].scheduling_info.drx_config     = mac_MainConfig->drx_Config;
       UE_mac_inst[Mod_idP].scheduling_info.phr_config     = mac_MainConfig->phr_Config;
 
@@ -259,6 +281,7 @@ rrc_mac_config_req(
       UE_mac_inst[Mod_idP].scheduling_info.periodicPHR_SF =  get_sf_perioidicPHR_Timer(UE_mac_inst[Mod_idP].scheduling_info.periodicPHR_Timer);
       UE_mac_inst[Mod_idP].scheduling_info.prohibitPHR_SF =  get_sf_prohibitPHR_Timer(UE_mac_inst[Mod_idP].scheduling_info.prohibitPHR_Timer);
       UE_mac_inst[Mod_idP].scheduling_info.PathlossChange_db =  get_db_dl_PathlossChange(UE_mac_inst[Mod_idP].scheduling_info.PathlossChange);
+      UE_mac_inst[Mod_idP].PHR_reporting_active = 0;
       LOG_D(MAC,"[UE %d] config PHR (%d): periodic %d (SF) prohibit %d (SF)  pathlosschange %d (db) \n",
             Mod_idP,
             (mac_MainConfig->phr_Config)?mac_MainConfig->phr_Config->present:-1,

openair2/LAYER2/MAC/defs.h

@@ -983,6 +983,12 @@ typedef struct {
   int16_t prohibitPHR_SF;
   ///DL Pathloss Change in db
   uint16_t PathlossChange_db;
+
+  /// default value is false
+  uint16_t extendedBSR_Sizes_r10;
+  /// default value is false
+  uint16_t extendedPHR_r10;
+
   //Bj bucket usage per  lcid
   int16_t Bj[MAX_NUM_LCID];
   // Bucket size per lcid
@@ -1070,6 +1076,8 @@ typedef struct {
   uint8_t PHR_reporting_active;
   /// power backoff due to power management (as allowed by P-MPRc) for this cell
   uint8_t power_backoff_db[NUMBER_OF_eNB_MAX];
+  /// BSR report falg management
+  uint8_t BSR_reporting_active;
   /// MBSFN_Subframe Configuration
   struct MBSFN_SubframeConfig *mbsfn_SubframeConfig[8]; // FIXME replace 8 by MAX_MBSFN_AREA?
   /// number of subframe allocation pattern available for MBSFN sync area

openair2/LAYER2/MAC/extern.h

@@ -53,6 +53,8 @@
 
 extern const uint32_t BSR_TABLE[BSR_TABLE_SIZE];
 //extern uint32_t EBSR_Level[63];
+extern const uint32_t Extended_BSR_TABLE[BSR_TABLE_SIZE];
+//extern uint32_t Extended_BSR_TABLE[63];  ----currently not used 
 
 extern UE_MAC_INST *UE_mac_inst;
 extern eNB_MAC_INST *eNB_mac_inst;

openair2/LAYER2/MAC/proto.h

@@ -548,7 +548,7 @@ int cba_access(module_id_t module_idP,frame_t frameP,sub_frame_t subframe, uint8
 \param[in] Mod_id instance of the UE
 \param[out] lcgid
 */
-int get_bsr_lcgid (module_id_t module_idP);
+int get_bsr_lcgid (module_id_t module_idP, int *num_lcgid);
 
 /*! \fn  uint8_t get_bsr_len (module_id_t module_idP,uint16_t bufflen);
 \brief determine whether the bsr is short or long assuming that the MAC pdu is built
@@ -582,14 +582,14 @@ BSR_LONG * get_bsr_long(module_id_t module_idP, uint8_t bsr_len);
 */
 boolean_t update_bsr(module_id_t module_idP, frame_t frameP, eNB_index_t eNB_index, uint8_t lcid, uint8_t lcgid);
 
-/*! \fn  locate (int *table, int size, int value)
+/*! \fn  locate_BsrIndexByBufferSize (int *table, int size, int value)
    \brief locate the BSR level in the table as defined in 36.321. This function requires that he values in table to be monotonic, either increasing or decreasing. The returned value is not less than 0, nor greater than n-1, where n is the size of table.
 \param[in] *table Pointer to BSR table
 \param[in] size Size of the table
 \param[in] value Value of the buffer
 \return the index in the BSR_LEVEL table
 */
-uint8_t locate (const uint32_t *table, int size, int value);
+uint8_t locate_BsrIndexByBufferSize (const uint32_t *table, int size, int value);
 
 
 /*! \fn  int get_sf_periodicBSRTimer(uint8_t periodicBSR_Timer)

openair2/LAYER2/MAC/vars.h

@@ -52,6 +52,15 @@ const uint32_t BSR_TABLE[BSR_TABLE_SIZE]= {0,10,12,14,17,19,22,26,31,36,42,49,57
                                            1326,1552,1817,2127,2490,2915,3413,3995,4677,5467,6411,7505,8787,10287,12043,14099,
                                            16507,19325,22624,26487,31009,36304,42502,49759,58255,68201,79846,93479,109439, 128125,150000, 300000
                                           };
+// extended bsr table--currently not used										  
+const uint32_t Extended_BSR_TABLE[BSR_TABLE_SIZE] = {0,10,13,16,19,23,29,35,43,53,65,80,98,120,147,
+                                                     181,223,274,337,414,509,625,769,945,1162,1429,
+                                                     1757,2161,2657,3267,4017,4940,6074,7469,9185,
+                                                     11294,13888,17077,20999,25822,31752,39045,48012,
+                                                     59039,72598,89272,109774,134986,165989,204111,
+                                                     250990,308634,379519,466683,573866,705666,867737,
+                                                     1067031,1312097,1613447,1984009,2439678,3000000,
+                                                     6000000};
 
 //uint32_t EBSR_Level[63]={0,10,13,16,19,23,29,35,43,53,65,80,98,120,147,181};