nr ue adding adjust gain

cmake_targets/CMakeLists.txt

@@ -1333,7 +1333,8 @@ set(PHY_SRC_UE
   ${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_gold_ue.c
   ${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
   ${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_adjust_synch_ue.c
-  ${OPENAIR1_DIR}/PHY/LTE_ESTIMATION/lte_ue_measurements.c
+  ${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_ue_measurements.c
+  ${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_adjust_gain.c
   ${OPENAIR1_DIR}/PHY/TOOLS/file_output.c
   ${OPENAIR1_DIR}/PHY/TOOLS/cadd_vv.c
  # ${OPENAIR1_DIR}/PHY/TOOLS/lte_dfts.c

executables/nr-ue.c

@@ -549,6 +549,7 @@ void *UE_thread(void *arg) {
   void *rxp[NB_ANTENNAS_RX], *txp[NB_ANTENNAS_TX];
   int start_rx_stream = 0;
   const uint16_t table_sf_slot[20] = {0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9};
+  uint32_t total_gain_dB_prev = 0;
   AssertFatal(0== openair0_device_load(&(UE->rfdevice), &openair0_cfg[0]), "");
   UE->rfdevice.host_type = RAU_HOST;
   AssertFatal(UE->rfdevice.trx_start_func(&UE->rfdevice) == 0, "Could not start the device\n");
@@ -640,7 +641,15 @@ void *UE_thread(void *arg) {
     curMsg->proc.frame_rx = ( absolute_slot/nb_slot_frame ) % MAX_FRAME_NUMBER;
     curMsg->proc.frame_tx = ( (absolute_slot + DURATION_RX_TO_TX) /nb_slot_frame ) % MAX_FRAME_NUMBER;
     curMsg->proc.decoded_frame_rx=-1;
-    LOG_D(PHY,"Process slot %d thread Idx %d \n", slot_nr, thread_idx);
+    //LOG_I(PHY,"Process slot %d thread Idx %d total gain %d\n", slot_nr, thread_idx, UE->rx_total_gain_dB);
+
+#ifdef OAI_ADRV9371_ZC706
+    if (total_gain_dB_prev != UE->rx_total_gain_dB) {
+		total_gain_dB_prev = UE->rx_total_gain_dB;
+        openair0_cfg[0].rx_gain[0] = UE->rx_total_gain_dB-20;
+        UE->rfdevice.trx_set_gains_func(&UE->rfdevice,&openair0_cfg[0]);
+    }
+#endif
 
     for (int i=0; i<UE->frame_parms.nb_antennas_rx; i++)
       rxp[i] = (void *)&UE->common_vars.rxdata[i][UE->frame_parms.ofdm_symbol_size+

oaienv

@@ -18,6 +18,6 @@ alias oailte='cd $OPENAIR_TARGETS/RT/USER'
 alias oais='cd $OPENAIR_TARGETS/SIMU/USER'
 alias oaiex='cd $OPENAIR_TARGETS/SIMU/EXAMPLES'
 
-export IIOD_REMOTE=192.168.121.32
+export IIOD_REMOTE=192.168.1.2
 #export IIOD_REMOTE=192.168.1.11
 

openair1/PHY/NR_UE_ESTIMATION/nr_adjust_gain.c

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+#include "PHY/types.h"
+#include "PHY/defs_nr_UE.h"
+#include "PHY/phy_extern_nr_ue.h"
+
+void
+phy_adjust_gain_nr (PHY_VARS_NR_UE *ue, uint32_t rx_power_fil_dB, uint8_t eNB_id)
+{
+
+  LOG_I(PHY,"Gain control: rssi %d (%d,%d)\n",
+	rx_power_fil_dB,
+	ue->measurements.rssi,
+	ue->measurements.rx_power_avg_dB[eNB_id]
+        );
+
+  // Gain control with hysterisis
+  // Adjust gain in ue->rx_vars[0].rx_total_gain_dB
+
+  if (rx_power_fil_dB < TARGET_RX_POWER - 5) //&& (ue->rx_total_gain_dB < MAX_RF_GAIN) )
+    ue->rx_total_gain_dB+=5;
+  else if (rx_power_fil_dB > TARGET_RX_POWER + 5) //&& (ue->rx_total_gain_dB > MIN_RF_GAIN) )
+    ue->rx_total_gain_dB-=5;
+
+  if (ue->rx_total_gain_dB>MAX_RF_GAIN) {
+    /*
+    if ((openair_daq_vars.rx_rf_mode==0) && (openair_daq_vars.mode == openair_NOT_SYNCHED)) {
+      openair_daq_vars.rx_rf_mode=1;
+      ue->rx_total_gain_dB = max(MIN_RF_GAIN,MAX_RF_GAIN-25);
+    }
+    else {
+    */
+    ue->rx_total_gain_dB = MAX_RF_GAIN;
+  } else if (ue->rx_total_gain_dB<MIN_RF_GAIN) {
+    /*
+    if ((openair_daq_vars.rx_rf_mode==1) && (openair_daq_vars.mode == openair_NOT_SYNCHED)) {
+      openair_daq_vars.rx_rf_mode=0;
+      ue->rx_total_gain_dB = min(MAX_RF_GAIN,MIN_RF_GAIN+25);
+    }
+    else {
+    */
+    ue->rx_total_gain_dB = MIN_RF_GAIN;
+  }
+
+  LOG_I(PHY,"Gain control: rx_total_gain_dB = %d TARGET_RX_POWER %d (max %d,rxpf %d)\n",ue->rx_total_gain_dB,TARGET_RX_POWER,MAX_RF_GAIN,rx_power_fil_dB);
+
+#ifdef DEBUG_PHY
+  /*  if ((ue->frame%100==0) || (ue->frame < 10))
+  msg("[PHY][ADJUST_GAIN] frame %d,  rx_power = %d, rx_power_fil = %d, rx_power_fil_dB = %d, coef=%d, ncoef=%d, rx_total_gain_dB = %d (%d,%d,%d)\n",
+    ue->frame,rx_power,rx_power_fil,rx_power_fil_dB,coef,ncoef,ue->rx_total_gain_dB,
+  TARGET_RX_POWER,MAX_RF_GAIN,MIN_RF_GAIN);
+  */
+#endif //DEBUG_PHY
+
+}
+
+

openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h

@@ -80,4 +80,12 @@ void nr_adjust_synch_ue(NR_DL_FRAME_PARMS *frame_parms,
                       unsigned char clear,
                       short coef);
                       
+void nr_ue_measurements(PHY_VARS_NR_UE *ue,
+                         unsigned int subframe_offset,
+                         unsigned char N0_symbol,
+                         unsigned char abstraction_flag,
+                         unsigned char rank_adaptation,
+                         uint8_t subframe);
+                     
+
 #endif

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -2590,30 +2590,23 @@ void nr_ue_measurement_procedures(uint16_t l,    // symbol index of each slot [0
 {
   LOG_D(PHY,"ue_measurement_procedures l %u Ncp %d\n",l,ue->frame_parms.Ncp);
 
-#if 0
   NR_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
   int nr_tti_rx = proc->nr_tti_rx;
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_IN);
 
-  if (l==0) {
+  if (l==2) {
     // UE measurements on symbol 0
-    if (abstraction_flag==0) {
       LOG_D(PHY,"Calling measurements nr_tti_rx %d, rxdata %p\n",nr_tti_rx,ue->common_vars.rxdata);
 
-      lte_ue_measurements(ue,
-			  (nr_tti_rx*frame_parms->samples_per_tti+ue->rx_offset)%(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME),
-			  (nr_tti_rx == 1) ? 1 : 0,
-			  0,
+      nr_ue_measurements(ue,
 			  0,
-			  nr_tti_rx);
-    } else {
-      lte_ue_measurements(ue,
 			  0,
 			  0,
-			  1,
 			  0,
 			  nr_tti_rx);
-    }
+			  
+			  //(nr_tti_rx*frame_parms->samples_per_tti+ue->rx_offset)%(frame_parms->samples_per_tti*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME)
+
 #if T_TRACER
     if(slot == 0)
       T(T_UE_PHY_MEAS, T_INT(eNB_id),  T_INT(ue->Mod_id), T_INT(proc->frame_rx%1024), T_INT(proc->nr_tti_rx),
@@ -2626,7 +2619,7 @@ void nr_ue_measurement_procedures(uint16_t l,    // symbol index of each slot [0
 	T_INT((int)ue->common_vars.freq_offset));
 #endif
   }
-
+#if 0
   if (l==(6-ue->frame_parms.Ncp)) {
 
     // make sure we have signal from PSS/SSS for N0 measurement
@@ -2642,6 +2635,19 @@ void nr_ue_measurement_procedures(uint16_t l,    // symbol index of each slot [0
   }
 #endif
 
+  // accumulate and filter timing offset estimation every subframe (instead of every frame)
+  if (( slot == 2) && (l==(2-frame_parms->Ncp))) {
+
+    // AGC
+
+    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GAIN_CONTROL, VCD_FUNCTION_IN);
+
+
+    //printf("start adjust gain power avg db %d\n", ue->measurements.rx_power_avg_dB[eNB_id]);
+    phy_adjust_gain_nr (ue,ue->measurements.rx_power_avg_dB[eNB_id],eNB_id);
+
+}
+
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_OUT);
 }
 
@@ -4190,7 +4196,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
     LOG_I(PHY,"[UE  %d] Frame %d, nr_tti_rx %d: found %d DCIs\n",ue->Mod_id,frame_rx,nr_tti_rx,dci_cnt);
     
     if (ue->no_timing_correction==0) {
-      LOG_I(PHY,"start adjust sync slot = %d no timing %d\n", nr_tti_rx, ue->no_timing_correction);
+      LOG_D(PHY,"start adjust sync slot = %d no timing %d\n", nr_tti_rx, ue->no_timing_correction);
       nr_adjust_synch_ue(&ue->frame_parms,
 			 ue,
 			 eNB_id,
@@ -4217,8 +4223,6 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
 		  0,
 		  0);
  
-      //printf("phy procedure pdsch start measurement\n"); 
-      nr_ue_measurement_procedures(m,ue,proc,eNB_id,(nr_tti_rx<<1),mode);
       
     }
     //set active for testing, to be removed
@@ -4240,6 +4244,9 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
 			   ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0],
 			   NULL);
 			   
+    //printf("phy procedure pdsch start measurement\n"); 
+    nr_ue_measurement_procedures(2,ue,proc,eNB_id,nr_tti_rx,mode);
+
     /*
     write_output("rxF.m","rxF",&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[nr_tti_rx]].rxdataF[0][0],ue->frame_parms.ofdm_symbol_size*14,1,1);
     write_output("rxF_ch.m","rxFch",&ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->dl_ch_estimates[0][0],ue->frame_parms.ofdm_symbol_size*14,1,1);

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c

@@ -146,7 +146,7 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info){
   if(dl_info->dci_ind != NULL){
     LOG_D(MAC,"[L2][IF MODULE][DL INDICATION][DCI_IND]\n");
     for(i=0; i<dl_info->dci_ind->number_of_dcis; ++i){
-      LOG_I(MAC,">>>NR_IF_Module i=%d, dl_info->dci_ind->number_of_dcis=%d\n",i,dl_info->dci_ind->number_of_dcis);
+      LOG_D(MAC,">>>NR_IF_Module i=%d, dl_info->dci_ind->number_of_dcis=%d\n",i,dl_info->dci_ind->number_of_dcis);
       fapi_nr_dci_pdu_rel15_t *dci = &dl_info->dci_ind->dci_list[i].dci;
 
       ret_mask |= (handle_dci(