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

@@ -79,5 +79,13 @@ void nr_adjust_synch_ue(NR_DL_FRAME_PARMS *frame_parms,
 					  uint8_t subframe,
                       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/PHY/NR_UE_ESTIMATION/nr_ue_measurements.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
+ */
+
+// this function fills the PHY_vars->PHY_measurement structure
+
+#include "PHY/defs_nr_UE.h"
+#include "PHY/phy_extern_nr_ue.h"
+#include "common/utils/LOG/log.h"
+#include "PHY/sse_intrin.h"
+
+//#define k1 1000
+#define k1 ((long long int) 1000)
+#define k2 ((long long int) (1024-k1))
+
+//#define DEBUG_MEAS_RRC
+//#define DEBUG_MEAS_UE
+//#define DEBUG_RANK_EST
+
+int16_t cond_num_threshold = 0;
+
+void print_shorts(char *s,short *x)
+{
+
+
+  printf("%s  : %d,%d,%d,%d,%d,%d,%d,%d\n",s,
+         x[0],x[1],x[2],x[3],x[4],x[5],x[6],x[7]
+        );
+
+}
+void print_ints(char *s,int *x)
+{
+
+
+  printf("%s  : %d,%d,%d,%d\n",s,
+         x[0],x[1],x[2],x[3]
+        );
+
+}
+
+int16_t get_PL(module_id_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
+{
+
+  PHY_VARS_NR_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
+  /*
+  int RSoffset;
+
+
+  if (ue->frame_parms.mode1_flag == 1)
+    RSoffset = 6;
+  else
+    RSoffset = 3;
+  */
+
+ /* LOG_D(PHY,"get_PL : rsrp %f dBm/RE (%f), eNB power %d dBm/RE\n", 
+        (1.0*dB_fixed_times10(ue->measurements.rsrp[eNB_index])-(10.0*ue->rx_total_gain_dB))/10.0,
+        10*log10((double)ue->measurements.rsrp[eNB_index]),
+        ue->frame_parms.pdsch_config_common.referenceSignalPower);*/
+
+  return((int16_t)(((10*ue->rx_total_gain_dB) -
+                    dB_fixed_times10(ue->measurements.rsrp[eNB_index]))/10));
+                    //        dB_fixed_times10(RSoffset*12*ue_g[Mod_id][CC_id]->frame_parms.N_RB_DL) +
+                    //(ue->frame_parms.pdsch_config_common.referenceSignalPower*10))/10));
+}
+#if 0
+
+
+uint8_t get_n_adj_cells (module_id_t Mod_id,uint8_t CC_id)
+{
+
+  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
+
+  if (ue)
+    return ue->measurements.n_adj_cells;
+  else
+    return 0;
+}
+
+uint32_t get_rx_total_gain_dB (module_id_t Mod_id,uint8_t CC_id)
+{
+
+  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
+
+  if (ue)
+    return ue->rx_total_gain_dB;
+
+  return 0xFFFFFFFF;
+}
+uint32_t get_RSSI (module_id_t Mod_id,uint8_t CC_id)
+{
+
+  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
+
+  if (ue)
+    return ue->measurements.rssi;
+
+  return 0xFFFFFFFF;
+}
+double get_RSRP(module_id_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
+{
+
+  AssertFatal(PHY_vars_UE_g!=NULL,"PHY_vars_UE_g is null\n");
+  AssertFatal(PHY_vars_UE_g[Mod_id]!=NULL,"PHY_vars_UE_g[%d] is null\n",Mod_id);
+  AssertFatal(PHY_vars_UE_g[Mod_id][CC_id]!=NULL,"PHY_vars_UE_g[%d][%d] is null\n",Mod_id,CC_id);
+
+  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
+
+  if (ue)
+    return ((dB_fixed_times10(ue->measurements.rsrp[eNB_index]))/10.0-
+	    get_rx_total_gain_dB(Mod_id,0) -
+	    10*log10(ue->frame_parms.N_RB_DL*12));
+  return -140.0;
+}
+
+uint32_t get_RSRQ(module_id_t Mod_id,uint8_t CC_id,uint8_t eNB_index)
+{
+
+  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
+
+  if (ue)
+    return ue->measurements.rsrq[eNB_index];
+
+  return 0xFFFFFFFF;
+}
+
+int8_t set_RSRP_filtered(module_id_t Mod_id,uint8_t CC_id,uint8_t eNB_index,float rsrp)
+{
+
+  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
+
+  if (ue) {
+    ue->measurements.rsrp_filtered[eNB_index]=rsrp;
+    return 0;
+  }
+
+  LOG_W(PHY,"[UE%d] could not set the rsrp\n",Mod_id);
+  return -1;
+}
+
+int8_t set_RSRQ_filtered(module_id_t Mod_id,uint8_t CC_id,uint8_t eNB_index,float rsrq)
+{
+
+  PHY_VARS_UE *ue = PHY_vars_UE_g[Mod_id][CC_id];
+
+  if (ue) {
+    ue->measurements.rsrq_filtered[eNB_index]=rsrq;
+    return 0;
+  }
+
+  LOG_W(PHY,"[UE%d] could not set the rsrq\n",Mod_id);
+  return -1;
+
+}
+#endif
+
+#if 0
+void ue_rrc_measurements(PHY_VARS_UE *ue,
+    uint8_t slot,
+    uint8_t abstraction_flag)
+{
+
+  uint8_t subframe = slot>>1;
+  int aarx,rb;
+  uint8_t pss_symb;
+  uint8_t sss_symb;
+
+  int32_t **rxdataF;
+  int16_t *rxF,*rxF_pss,*rxF_sss;
+
+  uint16_t Nid_cell = ue->frame_parms.Nid_cell;
+  uint8_t eNB_offset,nu,l,nushift,k;
+  uint16_t off;
+  uint8_t previous_thread_id = ue->current_thread_id[subframe]==0 ? (RX_NB_TH-1):(ue->current_thread_id[subframe]-1);
+
+   //uint8_t isPss; // indicate if this is a slot for extracting PSS
+  //uint8_t isSss; // indicate if this is a slot for extracting SSS
+  //int32_t pss_ext[4][72]; // contain the extracted 6*12 REs for mapping the PSS
+  //int32_t sss_ext[4][72]; // contain the extracted 6*12 REs for mapping the SSS
+  //int32_t (*xss_ext)[72]; // point to either pss_ext or sss_ext for common calculation
+  //int16_t *re,*im; // real and imag part of each 32-bit xss_ext[][] value
+
+  //LOG_I(PHY,"UE RRC MEAS Start Subframe %d Frame Type %d slot %d \n",subframe,ue->frame_parms.frame_type,slot);
+  for (eNB_offset = 0; eNB_offset<1+ue->measurements.n_adj_cells; eNB_offset++) {
+
+    if (eNB_offset==0) {
+      ue->measurements.rssi = 0;
+      //ue->measurements.n0_power_tot = 0;
+
+      if (abstraction_flag == 0) {
+        if ( ((ue->frame_parms.frame_type == FDD) && ((subframe == 0) || (subframe == 5))) ||
+             ((ue->frame_parms.frame_type == TDD) && ((subframe == 1) || (subframe == 6)))
+                )
+        {  // FDD PSS/SSS, compute noise in DTX REs
+          if (ue->frame_parms.Ncp == NORMAL) {
+            for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
+          if(ue->frame_parms.frame_type == FDD)
+          {
+	      rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].rxdataF[aarx][(5*ue->frame_parms.ofdm_symbol_size)];
+	      rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].rxdataF[aarx][(6*ue->frame_parms.ofdm_symbol_size)];
+          }
+          else
+          {
+              rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[previous_thread_id].rxdataF[aarx][(13*ue->frame_parms.ofdm_symbol_size)];
+              rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].rxdataF[aarx][(2*ue->frame_parms.ofdm_symbol_size)];
+          }
+              //-ve spectrum from SSS
+
+              //+ve spectrum from SSS
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+68]*rxF_sss[2+68])+((int32_t)rxF_sss[2+67]*rxF_sss[2+67]));
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+66]*rxF_sss[2+66])+((int32_t)rxF_sss[2+65]*rxF_sss[2+65]));
+              //              ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+64]*rxF_sss[2+64])+((int32_t)rxF_sss[2+63]*rxF_sss[2+63]));
+              //              printf("sssp32 %d\n",ue->measurements.n0_power[aarx]);
+              //+ve spectrum from PSS
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+70]*rxF_pss[2+70])+((int32_t)rxF_pss[2+69]*rxF_pss[2+69]));
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+68]*rxF_pss[2+68])+((int32_t)rxF_pss[2+67]*rxF_pss[2+67]));
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+66]*rxF_pss[2+66])+((int32_t)rxF_pss[2+65]*rxF_pss[2+65]));
+          //              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+64]*rxF_pss[2+64])+((int32_t)rxF_pss[2+63]*rxF_pss[2+63]));
+          //          printf("pss32 %d\n",ue->measurements.n0_power[aarx]);              //-ve spectrum from PSS
+              if(ue->frame_parms.frame_type == FDD)
+              {
+                  rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].rxdataF[aarx][(6*ue->frame_parms.ofdm_symbol_size)];
+                  rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
+              }
+              else
+              {
+                  rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[previous_thread_id].rxdataF[aarx][(14*ue->frame_parms.ofdm_symbol_size)];
+                  rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].rxdataF[aarx][(3*ue->frame_parms.ofdm_symbol_size)];
+              }
+          //              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
+          //          printf("pssm36 %d\n",ue->measurements.n0_power[aarx]);
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
+
+              ue->measurements.n0_power[aarx] = (((int32_t)rxF_sss[-70]*rxF_sss[-70])+((int32_t)rxF_sss[-69]*rxF_sss[-69]));
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[-68]*rxF_sss[-68])+((int32_t)rxF_sss[-67]*rxF_sss[-67]));
+              ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[-66]*rxF_sss[-66])+((int32_t)rxF_sss[-65]*rxF_sss[-65]));
+
+          //              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
+          //          printf("pssm32 %d\n",ue->measurements.n0_power[aarx]);
+              ue->measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(ue->measurements.n0_power[aarx]/12);
+              ue->measurements.n0_power_tot /*+=*/ = ue->measurements.n0_power[aarx];
+        }
+
+            //LOG_I(PHY,"Subframe %d RRC UE MEAS Noise Level %d \n", subframe, ue->measurements.n0_power_tot);
+
+        ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/(12*aarx));
+        ue->measurements.n0_power_tot_dBm = ue->measurements.n0_power_tot_dB - ue->rx_total_gain_dB - dB_fixed(ue->frame_parms.ofdm_symbol_size);
+        } else {
+            LOG_E(PHY, "Not yet implemented: noise power calculation when prefix length == EXTENDED\n");
+        }
+        }
+        else if ((ue->frame_parms.frame_type == TDD) &&
+                 ((subframe == 1) || (subframe == 6))) {  // TDD PSS/SSS, compute noise in DTX REs // 2016-09-29 wilson fix incorrect noise power calculation
+
+
+          pss_symb = 2;
+          sss_symb = ue->frame_parms.symbols_per_tti-1;
+          if (ue->frame_parms.Ncp==NORMAL) {
+            for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
+
+                rxdataF  =  ue->common_vars.common_vars_rx_data_per_thread[(ue->current_thread_id[subframe])].rxdataF;
+                rxF_pss  = (int16_t *) &rxdataF[aarx][((pss_symb*(ue->frame_parms.ofdm_symbol_size)))];
+
+                rxdataF  =  ue->common_vars.common_vars_rx_data_per_thread[previous_thread_id].rxdataF;
+                rxF_sss  = (int16_t *) &rxdataF[aarx][((sss_symb*(ue->frame_parms.ofdm_symbol_size)))];
+
+                //-ve spectrum from SSS
+            //          printf("slot %d: SSS DTX: %d,%d, non-DTX %d,%d\n",slot,rxF_pss[-72],rxF_pss[-71],rxF_pss[-36],rxF_pss[-35]);
+
+            //              ue->measurements.n0_power[aarx] = (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
+            //          printf("sssn36 %d\n",ue->measurements.n0_power[aarx]);
+                ue->measurements.n0_power[aarx] = (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
+            //              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
+            //          printf("sssm32 %d\n",ue->measurements.n0_power[aarx]);
+                //+ve spectrum from SSS
+            ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+70]*rxF_sss[2+70])+((int32_t)rxF_sss[2+69]*rxF_sss[2+69]));
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+68]*rxF_sss[2+68])+((int32_t)rxF_sss[2+67]*rxF_sss[2+67]));
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+66]*rxF_sss[2+66])+((int32_t)rxF_sss[2+65]*rxF_sss[2+65]));
+            //          ue->measurements.n0_power[aarx] += (((int32_t)rxF_sss[2+64]*rxF_sss[2+64])+((int32_t)rxF_sss[2+63]*rxF_sss[2+63]));
+            //          printf("sssp32 %d\n",ue->measurements.n0_power[aarx]);
+                //+ve spectrum from PSS
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+70]*rxF_pss[2+70])+((int32_t)rxF_pss[2+69]*rxF_pss[2+69]));
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+68]*rxF_pss[2+68])+((int32_t)rxF_pss[2+67]*rxF_pss[2+67]));
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+66]*rxF_pss[2+66])+((int32_t)rxF_pss[2+65]*rxF_pss[2+65]));
+            //              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[2+64]*rxF_pss[2+64])+((int32_t)rxF_pss[2+63]*rxF_pss[2+63]));
+            //          printf("pss32 %d\n",ue->measurements.n0_power[aarx]);              //-ve spectrum from PSS
+                rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
+            //              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
+            //          printf("pssm36 %d\n",ue->measurements.n0_power[aarx]);
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-68]*rxF_pss[-68])+((int32_t)rxF_pss[-67]*rxF_pss[-67]));
+                ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-66]*rxF_pss[-66])+((int32_t)rxF_pss[-65]*rxF_pss[-65]));
+            //              ue->measurements.n0_power[aarx] += (((int32_t)rxF_pss[-64]*rxF_pss[-64])+((int32_t)rxF_pss[-63]*rxF_pss[-63]));
+            //          printf("pssm32 %d\n",ue->measurements.n0_power[aarx]);
+                ue->measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(ue->measurements.n0_power[aarx]/12);
+                ue->measurements.n0_power_tot /*+=*/ = ue->measurements.n0_power[aarx];
+        }
+
+        ue->measurements.n0_power_tot_dB = (unsigned short) dB_fixed(ue->measurements.n0_power_tot/(12*aarx));
+        ue->measurements.n0_power_tot_dBm = ue->measurements.n0_power_tot_dB - ue->rx_total_gain_dB - dB_fixed(ue->frame_parms.ofdm_symbol_size);
+
+        //LOG_I(PHY,"Subframe %d RRC UE MEAS Noise Level %d \n", subframe, ue->measurements.n0_power_tot);
+
+          }
+        }
+      }
+    }
+    // recompute nushift with eNB_offset corresponding to adjacent eNB on which to perform channel estimation
+    //    printf("[PHY][UE %d] Frame %d slot %d Doing ue_rrc_measurements rsrp/rssi (Nid_cell %d, Nid2 %d, nushift %d, eNB_offset %d)\n",ue->Mod_id,ue->frame,slot,Nid_cell,Nid2,nushift,eNB_offset);
+    if (eNB_offset > 0)
+      Nid_cell = ue->measurements.adj_cell_id[eNB_offset-1];
+
+
+    nushift =  Nid_cell%6;
+
+
+
+    ue->measurements.rsrp[eNB_offset] = 0;
+
+
+    if (abstraction_flag == 0) {
+
+      // compute RSRP using symbols 0 and 4-frame_parms->Ncp
+
+      for (l=0,nu=0; l<=(4-ue->frame_parms.Ncp); l+=(4-ue->frame_parms.Ncp),nu=3) {
+        k = (nu + nushift)%6;
+	//#ifdef DEBUG_MEAS_RRC
+        LOG_D(PHY,"[UE %d] Frame %d subframe %d Doing ue_rrc_measurements rsrp/rssi (Nid_cell %d, nushift %d, eNB_offset %d, k %d, l %d)\n",ue->Mod_id,ue->proc.proc_rxtx[subframe&1].frame_rx,subframe,Nid_cell,nushift,
+              eNB_offset,k,l);
+	//#endif
+
+        for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
+          rxF = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[subframe]].rxdataF[aarx][(l*ue->frame_parms.ofdm_symbol_size)];
+          off  = (ue->frame_parms.first_carrier_offset+k)<<1;
+
+          if (l==(4-ue->frame_parms.Ncp)) {
+            for (rb=0; rb<ue->frame_parms.N_RB_DL; rb++) {
+
+              //    printf("rb %d, off %d, off2 %d\n",rb,off,off2);
+
+              ue->measurements.rsrp[eNB_offset] += (((int32_t)(rxF[off])*rxF[off])+((int32_t)(rxF[off+1])*rxF[off+1]));
+              //        printf("rb %d, off %d : %d\n",rb,off,((((int32_t)rxF[off])*rxF[off])+((int32_t)(rxF[off+1])*rxF[off+1])));
+              //              if ((ue->frame_rx&0x3ff) == 0)
+              //                printf("rb %d, off %d : %d\n",rb,off,((rxF[off]*rxF[off])+(rxF[off+1]*rxF[off+1])));
+
+
+              off+=12;
+
+              if (off>=(ue->frame_parms.ofdm_symbol_size<<1))
+                off = (1+k)<<1;
+
+              ue->measurements.rsrp[eNB_offset] += (((int32_t)(rxF[off])*rxF[off])+((int32_t)(rxF[off+1])*rxF[off+1]));
+              //    printf("rb %d, off %d : %d\n",rb,off,(((int32_t)(rxF[off])*rxF[off])+((int32_t)(rxF[off+1])*rxF[off+1])));
+              /*
+                if ((ue->frame_rx&0x3ff) == 0)
+                printf("rb %d, off %d : %d\n",rb,off,((rxF[off]*rxF[off])+(rxF[off+1]*rxF[off+1])));
+              */
+              off+=12;
+
+              if (off>=(ue->frame_parms.ofdm_symbol_size<<1))
+                off = (1+k)<<1;
+
+            }
+
+            /*
+            if ((eNB_offset==0)&&(l==0)) {
+            for (i=0;i<6;i++,off2+=4)
+            ue->measurements.rssi += ((rxF[off2]*rxF[off2])+(rxF[off2+1]*rxF[off2+1]));
+            if (off2==(ue->frame_parms.ofdm_symbol_size<<2))
+            off2=4;
+            for (i=0;i<6;i++,off2+=4)
+            ue->measurements.rssi += ((rxF[off2]*rxF[off2])+(rxF[off2+1]*rxF[off2+1]));
+            }
+            */
+            //    printf("slot %d, rb %d => rsrp %d, rssi %d\n",slot,rb,ue->measurements.rsrp[eNB_offset],ue->measurements.rssi);
+          }
+        }
+      }
+
+      // 2 RE per PRB
+      //      ue->measurements.rsrp[eNB_offset]/=(24*ue->frame_parms.N_RB_DL);
+      ue->measurements.rsrp[eNB_offset]/=(2*ue->frame_parms.N_RB_DL*ue->frame_parms.ofdm_symbol_size);
+      //      LOG_I(PHY,"eNB: %d, RSRP: %d \n",eNB_offset,ue->measurements.rsrp[eNB_offset]);
+      if (eNB_offset == 0) {
+        //  ue->measurements.rssi/=(24*ue->frame_parms.N_RB_DL);
+        //  ue->measurements.rssi*=rx_power_correction;
+        //  ue->measurements.rssi=ue->measurements.rsrp[0]*24/2;
+        ue->measurements.rssi=ue->measurements.rsrp[0]*(12*ue->frame_parms.N_RB_DL);
+      }
+
+      if (ue->measurements.rssi>0)
+        ue->measurements.rsrq[eNB_offset] = 100*ue->measurements.rsrp[eNB_offset]*ue->frame_parms.N_RB_DL/ue->measurements.rssi;
+      else
+        ue->measurements.rsrq[eNB_offset] = -12000;
+
+      //((200*ue->measurements.rsrq[eNB_offset]) + ((1024-200)*100*ue->measurements.rsrp[eNB_offset]*ue->frame_parms.N_RB_DL/ue->measurements.rssi))>>10;
+    } else { // Do abstraction of RSRP and RSRQ
+      ue->measurements.rssi = ue->measurements.rx_power_avg[0];
+      // dummay value for the moment
+      ue->measurements.rsrp[eNB_offset] = -93 ;
+      ue->measurements.rsrq[eNB_offset] = 3;
+
+    }
+
+    //#ifdef DEBUG_MEAS_RRC
+
+    //    if (slot == 0) {
+
+      if (eNB_offset == 0)
+	
+        LOG_D(PHY,"[UE %d] Frame %d, subframe %d RRC Measurements => rssi %3.1f dBm (digital: %3.1f dB, gain %d), N0 %d dBm\n",ue->Mod_id,
+              ue->proc.proc_rxtx[subframe&1].frame_rx,subframe,10*log10(ue->measurements.rssi)-ue->rx_total_gain_dB,
+              10*log10(ue->measurements.rssi),
+              ue->rx_total_gain_dB,
+              ue->measurements.n0_power_tot_dBm);
+
+      LOG_D(PHY,"[UE %d] Frame %d, subframe %d RRC Measurements (idx %d, Cell id %d) => rsrp: %3.1f dBm/RE (%d), rsrq: %3.1f dB\n",
+            ue->Mod_id,
+            ue->proc.proc_rxtx[subframe&1].frame_rx,subframe,eNB_offset,
+            (eNB_offset>0) ? ue->measurements.adj_cell_id[eNB_offset-1] : ue->frame_parms.Nid_cell,
+            10*log10(ue->measurements.rsrp[eNB_offset])-ue->rx_total_gain_dB,
+            ue->measurements.rsrp[eNB_offset],
+            (10*log10(ue->measurements.rsrq[eNB_offset])));
+      //LOG_D(PHY,"RSRP_total_dB: %3.2f \n",(dB_fixed_times10(ue->measurements.rsrp[eNB_offset])/10.0)-ue->rx_total_gain_dB-dB_fixed(ue->frame_parms.N_RB_DL*12));
+
+      //LOG_D(PHY,"RSRP_dB: %3.2f \n",(dB_fixed_times10(ue->measurements.rsrp[eNB_offset])/10.0));
+      //LOG_D(PHY,"gain_loss_dB: %d \n",ue->rx_total_gain_dB);
+      //LOG_D(PHY,"gain_fixed_dB: %d \n",dB_fixed(ue->frame_parms.N_RB_DL*12));
+
+      //    }
+
+      //#endif
+  }
+
+}
+#endif
+
+void conjch0_mult_ch1(int *ch0,
+                      int *ch1,
+                      int32_t *ch0conj_ch1,
+                      unsigned short nb_rb,
+                      unsigned char output_shift0)
+{
+  //This function is used to compute multiplications in Hhermitian * H matrix
+  unsigned short rb;
+  __m128i *dl_ch0_128,*dl_ch1_128, *ch0conj_ch1_128, mmtmpD0,mmtmpD1,mmtmpD2,mmtmpD3;
+
+  dl_ch0_128 = (__m128i *)ch0;
+  dl_ch1_128 = (__m128i *)ch1;
+
+  ch0conj_ch1_128 = (__m128i *)ch0conj_ch1;
+
+  for (rb=0; rb<3*nb_rb; rb++) {
+
+    mmtmpD0 = _mm_madd_epi16(dl_ch0_128[0],dl_ch1_128[0]);
+    mmtmpD1 = _mm_shufflelo_epi16(dl_ch0_128[0],_MM_SHUFFLE(2,3,0,1));
+    mmtmpD1 = _mm_shufflehi_epi16(mmtmpD1,_MM_SHUFFLE(2,3,0,1));
+    mmtmpD1 = _mm_sign_epi16(mmtmpD1,*(__m128i*)&conjugate[0]);
+    mmtmpD1 = _mm_madd_epi16(mmtmpD1,dl_ch1_128[0]);
+    mmtmpD0 = _mm_srai_epi32(mmtmpD0,output_shift0);
+    mmtmpD1 = _mm_srai_epi32(mmtmpD1,output_shift0);
+    mmtmpD2 = _mm_unpacklo_epi32(mmtmpD0,mmtmpD1);
+    mmtmpD3 = _mm_unpackhi_epi32(mmtmpD0,mmtmpD1);
+
+    ch0conj_ch1_128[0] = _mm_packs_epi32(mmtmpD2,mmtmpD3);
+
+#ifdef DEBUG_RANK_EST
+    printf("\n Computing conjugates \n");
+    print_shorts("ch0:",(int16_t*)&dl_ch0_128[0]);
+    print_shorts("ch1:",(int16_t*)&dl_ch1_128[0]);
+    print_shorts("pack:",(int16_t*)&ch0conj_ch1_128[0]);
+#endif
+
+    dl_ch0_128+=1;
+    dl_ch1_128+=1;
+    ch0conj_ch1_128+=1;
+  }
+  _mm_empty();
+  _m_empty();
+}
+
+void construct_HhH_elements(int *ch0conj_ch0, //00_00
+                            int *ch1conj_ch1,//01_01
+                            int *ch2conj_ch2,//11_11
+                            int *ch3conj_ch3,//10_10
+                            int *ch0conj_ch1,//00_01
+                            int *ch1conj_ch0,//01_00
+                            int *ch2conj_ch3,//10_11
+                            int *ch3conj_ch2,//11_10
+                            int32_t *after_mf_00,
+                            int32_t *after_mf_01,
+                            int32_t *after_mf_10,
+                            int32_t *after_mf_11,
+                            unsigned short nb_rb)
+{
+  unsigned short rb;
+  __m128i *ch0conj_ch0_128, *ch1conj_ch1_128, *ch2conj_ch2_128, *ch3conj_ch3_128;
+  __m128i *ch0conj_ch1_128, *ch1conj_ch0_128, *ch2conj_ch3_128, *ch3conj_ch2_128;
+  __m128i *after_mf_00_128, *after_mf_01_128, *after_mf_10_128, *after_mf_11_128;
+
+  ch0conj_ch0_128 = (__m128i *)ch0conj_ch0;
+  ch1conj_ch1_128 = (__m128i *)ch1conj_ch1;
+  ch2conj_ch2_128 = (__m128i *)ch2conj_ch2;
+  ch3conj_ch3_128 = (__m128i *)ch3conj_ch3;
+  ch0conj_ch1_128 = (__m128i *)ch0conj_ch1;
+  ch1conj_ch0_128 = (__m128i *)ch1conj_ch0;
+  ch2conj_ch3_128 = (__m128i *)ch2conj_ch3;
+  ch3conj_ch2_128 = (__m128i *)ch3conj_ch2;
+  after_mf_00_128 = (__m128i *)after_mf_00;
+  after_mf_01_128 = (__m128i *)after_mf_01;
+  after_mf_10_128 = (__m128i *)after_mf_10;
+  after_mf_11_128 = (__m128i *)after_mf_11;
+
+  for (rb=0; rb<3*nb_rb; rb++) {
+
+    after_mf_00_128[0] =_mm_adds_epi16(ch0conj_ch0_128[0],ch3conj_ch3_128[0]);// _mm_adds_epi32(ch0conj_ch0_128[0], ch3conj_ch3_128[0]); //00_00 + 10_10
+    after_mf_11_128[0] =_mm_adds_epi16(ch1conj_ch1_128[0], ch2conj_ch2_128[0]); //01_01 + 11_11
+    after_mf_01_128[0] =_mm_adds_epi16(ch0conj_ch1_128[0], ch2conj_ch3_128[0]);//00_01 + 10_11
+    after_mf_10_128[0] =_mm_adds_epi16(ch1conj_ch0_128[0], ch3conj_ch2_128[0]);//01_00 + 11_10
+
+#ifdef DEBUG_RANK_EST
+    printf(" \n construct_HhH_elements \n");
+    print_shorts("ch0conj_ch0_128:",(int16_t*)&ch0conj_ch0_128[0]);
+    print_shorts("ch1conj_ch1_128:",(int16_t*)&ch1conj_ch1_128[0]);
+    print_shorts("ch2conj_ch2_128:",(int16_t*)&ch2conj_ch2_128[0]);
+    print_shorts("ch3conj_ch3_128:",(int16_t*)&ch3conj_ch3_128[0]);
+    print_shorts("ch0conj_ch1_128:",(int16_t*)&ch0conj_ch1_128[0]);
+    print_shorts("ch1conj_ch0_128:",(int16_t*)&ch1conj_ch0_128[0]);
+    print_shorts("ch2conj_ch3_128:",(int16_t*)&ch2conj_ch3_128[0]);
+    print_shorts("ch3conj_ch2_128:",(int16_t*)&ch3conj_ch2_128[0]);
+    print_shorts("after_mf_00_128:",(int16_t*)&after_mf_00_128[0]);
+    print_shorts("after_mf_01_128:",(int16_t*)&after_mf_01_128[0]);
+    print_shorts("after_mf_10_128:",(int16_t*)&after_mf_10_128[0]);
+    print_shorts("after_mf_11_128:",(int16_t*)&after_mf_11_128[0]);
+#endif
+
+    ch0conj_ch0_128+=1;
+    ch1conj_ch1_128+=1;
+    ch2conj_ch2_128+=1;
+    ch3conj_ch3_128+=1;
+    ch0conj_ch1_128+=1;
+    ch1conj_ch0_128+=1;
+    ch2conj_ch3_128+=1;
+    ch3conj_ch2_128+=1;
+
+    after_mf_00_128+=1;
+    after_mf_01_128+=1;
+    after_mf_10_128+=1;
+    after_mf_11_128+=1;
+  }
+  _mm_empty();
+  _m_empty();
+}
+
+
+void squared_matrix_element(int32_t *Hh_h_00,
+                            int32_t *Hh_h_00_sq,
+                            unsigned short nb_rb)
+{
+   unsigned short rb;
+  __m128i *Hh_h_00_128,*Hh_h_00_sq_128;
+
+  Hh_h_00_128 = (__m128i *)Hh_h_00;
+  Hh_h_00_sq_128 = (__m128i *)Hh_h_00_sq;
+
+  for (rb=0; rb<3*nb_rb; rb++) {
+
+    Hh_h_00_sq_128[0] = _mm_madd_epi16(Hh_h_00_128[0],Hh_h_00_128[0]);
+
+#ifdef DEBUG_RANK_EST
+    printf("\n Computing squared_matrix_element \n");
+    print_shorts("Hh_h_00_128:",(int16_t*)&Hh_h_00_128[0]);
+    print_ints("Hh_h_00_sq_128:",(int32_t*)&Hh_h_00_sq_128[0]);
+#endif
+
+    Hh_h_00_sq_128+=1;
+    Hh_h_00_128+=1;
+  }
+  _mm_empty();
+  _m_empty();
+}
+
+
+
+void det_HhH(int32_t *after_mf_00,
+             int32_t *after_mf_01,
+             int32_t *after_mf_10,
+             int32_t *after_mf_11,
+             int32_t *det_fin,
+             unsigned short nb_rb)
+
+{
+  unsigned short rb;
+  __m128i *after_mf_00_128,*after_mf_01_128, *after_mf_10_128, *after_mf_11_128, ad_re_128, bc_re_128;
+  __m128i *det_fin_128, det_128;
+
+  after_mf_00_128 = (__m128i *)after_mf_00;
+  after_mf_01_128 = (__m128i *)after_mf_01;
+  after_mf_10_128 = (__m128i *)after_mf_10;
+  after_mf_11_128 = (__m128i *)after_mf_11;
+
+  det_fin_128 = (__m128i *)det_fin;
+
+  for (rb=0; rb<3*nb_rb; rb++) {
+
+    ad_re_128 = _mm_madd_epi16(after_mf_00_128[0],after_mf_11_128[0]);
+    bc_re_128 = _mm_madd_epi16(after_mf_01_128[0],after_mf_01_128[0]);
+    det_128 = _mm_sub_epi32(ad_re_128, bc_re_128);
+    det_fin_128[0] = _mm_abs_epi32(det_128);
+
+#ifdef DEBUG_RANK_EST
+    printf("\n Computing denominator \n");
+    print_shorts("after_mf_00_128:",(int16_t*)&after_mf_00_128[0]);
+    print_shorts("after_mf_01_128:",(int16_t*)&after_mf_01_128[0]);
+    print_shorts("after_mf_10_128:",(int16_t*)&after_mf_10_128[0]);
+    print_shorts("after_mf_11_128:",(int16_t*)&after_mf_11_128[0]);
+    print_ints("ad_re_128:",(int32_t*)&ad_re_128);
+    print_ints("bc_re_128:",(int32_t*)&bc_re_128);
+    print_ints("det_fin_128:",(int32_t*)&det_fin_128[0]);
+#endif
+
+    det_fin_128+=1;
+    after_mf_00_128+=1;
+    after_mf_01_128+=1;
+    after_mf_10_128+=1;
+    after_mf_11_128+=1;
+  }
+  _mm_empty();
+  _m_empty();
+}
+
+void numer(int32_t *Hh_h_00_sq,
+           int32_t *Hh_h_01_sq,
+           int32_t *Hh_h_10_sq,
+           int32_t *Hh_h_11_sq,
+           int32_t *num_fin,
+           unsigned short nb_rb)
+
+{
+  unsigned short rb;
+  __m128i *h_h_00_sq_128, *h_h_01_sq_128, *h_h_10_sq_128, *h_h_11_sq_128;
+  __m128i *num_fin_128, sq_a_plus_sq_d_128, sq_b_plus_sq_c_128;
+
+  h_h_00_sq_128 = (__m128i *)Hh_h_00_sq;
+  h_h_01_sq_128 = (__m128i *)Hh_h_01_sq;
+  h_h_10_sq_128 = (__m128i *)Hh_h_10_sq;
+  h_h_11_sq_128 = (__m128i *)Hh_h_11_sq;
+
+  num_fin_128 = (__m128i *)num_fin;
+
+  for (rb=0; rb<3*nb_rb; rb++) {
+
+    sq_a_plus_sq_d_128 = _mm_add_epi32(h_h_00_sq_128[0],h_h_11_sq_128[0]);
+    sq_b_plus_sq_c_128 = _mm_add_epi32(h_h_01_sq_128[0],h_h_10_sq_128[0]);
+    num_fin_128[0] = _mm_add_epi32(sq_a_plus_sq_d_128, sq_b_plus_sq_c_128);
+
+#ifdef DEBUG_RANK_EST
+    printf("\n Computing numerator \n");
+    print_ints("h_h_00_sq_128:",(int32_t*)&h_h_00_sq_128[0]);
+    print_ints("h_h_01_sq_128:",(int32_t*)&h_h_01_sq_128[0]);
+    print_ints("h_h_10_sq_128:",(int32_t*)&h_h_10_sq_128[0]);
+    print_ints("h_h_11_sq_128:",(int32_t*)&h_h_11_sq_128[0]);
+    print_shorts("sq_a_plus_sq_d_128:",(int16_t*)&sq_a_plus_sq_d_128);
+    print_shorts("sq_b_plus_sq_c_128:",(int16_t*)&sq_b_plus_sq_c_128);
+    print_shorts("num_fin_128:",(int16_t*)&num_fin_128[0]);
+#endif
+
+    num_fin_128+=1;
+    h_h_00_sq_128+=1;
+    h_h_01_sq_128+=1;
+    h_h_10_sq_128+=1;
+    h_h_11_sq_128+=1;
+  }
+  _mm_empty();
+  _m_empty();
+}
+
+
+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)
+{
+
+
+  int aarx,aatx,eNB_id=0; //,gain_offset=0;
+  //int rx_power[NUMBER_OF_CONNECTED_eNB_MAX];
+  int i;
+  unsigned int limit,subband;
+#if defined(__x86_64__) || defined(__i386__)
+  __m128i *dl_ch0_128,*dl_ch1_128;
+#elif defined(__arm__)
+  int16x8_t *dl_ch0_128, *dl_ch1_128get_PL;
+#endif
+  int *dl_ch0,*dl_ch1;
+
+  NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
+  int nb_subbands,subband_size,last_subband_size;
+  int N_RB_DL = frame_parms->N_RB_DL;
+
+
+  int rank_tm3_tm4, ch_offset;
+  int16_t *dl_ch;
+
+
+  ue->measurements.nb_antennas_rx = frame_parms->nb_antennas_rx;
+  dl_ch = (int16_t *)&ue->pdsch_vars[ue->current_thread_id[subframe]][0]->dl_ch_estimates[eNB_id][ch_offset];
+  
+  ch_offset     = ue->frame_parms.ofdm_symbol_size*2;
+
+printf("testing measurements\n");
+  // signal measurements
+
+  for (eNB_id=0; eNB_id<ue->n_connected_eNB; eNB_id++) {
+    for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
+      for (aatx=0; aatx<frame_parms->nb_antenna_ports_eNB; aatx++) {
+        ue->measurements.rx_spatial_power[eNB_id][aatx][aarx] =
+          (signal_energy_nodc(&ue->pdsch_vars[ue->current_thread_id[subframe]][0]->dl_ch_estimates[eNB_id][ch_offset],
+                              (50*12)));
+        //- ue->measurements.n0_power[aarx];
+
+        if (ue->measurements.rx_spatial_power[eNB_id][aatx][aarx]<0)
+          ue->measurements.rx_spatial_power[eNB_id][aatx][aarx] = 0; //ue->measurements.n0_power[aarx];
+
+        ue->measurements.rx_spatial_power_dB[eNB_id][aatx][aarx] = (unsigned short) dB_fixed(ue->measurements.rx_spatial_power[eNB_id][aatx][aarx]);
+
+        if (aatx==0)
+          ue->measurements.rx_power[eNB_id][aarx] = ue->measurements.rx_spatial_power[eNB_id][aatx][aarx];
+        else
+          ue->measurements.rx_power[eNB_id][aarx] += ue->measurements.rx_spatial_power[eNB_id][aatx][aarx];
+      } //aatx
+
+      ue->measurements.rx_power_dB[eNB_id][aarx] = (unsigned short) dB_fixed(ue->measurements.rx_power[eNB_id][aarx]);
+
+      if (aarx==0)
+        ue->measurements.rx_power_tot[eNB_id] = ue->measurements.rx_power[eNB_id][aarx];
+      else
+        ue->measurements.rx_power_tot[eNB_id] += ue->measurements.rx_power[eNB_id][aarx];
+    } //aarx
+
+    ue->measurements.rx_power_tot_dB[eNB_id] = (unsigned short) dB_fixed(ue->measurements.rx_power_tot[eNB_id]);
+
+  } //eNB_id
+  
+  //printf("ue measurement addr dlch %p\n", dl_ch);
+
+  eNB_id=0;
+
+  if (ue->transmission_mode[eNB_id]!=4 && ue->transmission_mode[eNB_id]!=3)
+    ue->measurements.rank[eNB_id] = 0;
+  else
+    ue->measurements.rank[eNB_id] = rank_tm3_tm4;
+  //  printf ("tx mode %d\n", ue->transmission_mode[eNB_id]);
+  //  printf ("rank %d\n", ue->PHY_measurements.rank[eNB_id]);
+
+  // filter to remove jitter
+  if (ue->init_averaging == 0) {
+    for (eNB_id = 0; eNB_id < ue->n_connected_eNB; eNB_id++)
+      ue->measurements.rx_power_avg[eNB_id] = (int)
+          (((k1*((long long int)(ue->measurements.rx_power_avg[eNB_id]))) +
+            (k2*((long long int)(ue->measurements.rx_power_tot[eNB_id]))))>>10);
+
+    //LOG_I(PHY,"Noise Power Computation: k1 %d k2 %d n0 avg %d n0 tot %d\n", k1, k2, ue->measurements.n0_power_avg,
+     //   ue->measurements.n0_power_tot);
+    ue->measurements.n0_power_avg = (int)
+        (((k1*((long long int) (ue->measurements.n0_power_avg))) +
+          (k2*((long long int) (ue->measurements.n0_power_tot))))>>10);
+  } else {
+    for (eNB_id = 0; eNB_id < ue->n_connected_eNB; eNB_id++)
+      ue->measurements.rx_power_avg[eNB_id] = ue->measurements.rx_power_tot[eNB_id];
+
+    ue->measurements.n0_power_avg = ue->measurements.n0_power_tot;
+    ue->init_averaging = 0;
+  }
+
+  for (eNB_id = 0; eNB_id < ue->n_connected_eNB; eNB_id++) {
+    ue->measurements.rx_power_avg_dB[eNB_id] = dB_fixed( ue->measurements.rx_power_avg[eNB_id]);
+    ue->measurements.wideband_cqi_tot[eNB_id] = dB_fixed2(ue->measurements.rx_power_tot[eNB_id],ue->measurements.n0_power_tot);
+    ue->measurements.wideband_cqi_avg[eNB_id] = dB_fixed2(ue->measurements.rx_power_avg[eNB_id],ue->measurements.n0_power_avg);
+    ue->measurements.rx_rssi_dBm[eNB_id] = ue->measurements.rx_power_avg_dB[eNB_id] - ue->rx_total_gain_dB;
+//#ifdef DEBUG_MEAS_UE
+      LOG_D(PHY,"[eNB %d] Subframe %d, RSSI %d dBm, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d\n",
+            eNB_id,
+            subframe,
+            ue->measurements.rx_rssi_dBm[eNB_id],
+            ue->measurements.rx_power_avg_dB[eNB_id],
+            ue->measurements.wideband_cqi_avg[eNB_id],
+            ue->measurements.rx_power_avg[eNB_id],
+            ue->measurements.n0_power_tot);
+//#endif
+  }
+
+#if defined(__x86_64__) || defined(__i386__)
+  _mm_empty();
+  _m_empty();
+#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,
@@ -4216,9 +4222,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
 		  nr_tti_rx,
 		  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
@@ -4239,6 +4243,9 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
 			   PDSCH,
 			   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);

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(