add cal_amp

openair1/PHY/MODULATION/nr_modulation.h

@@ -81,7 +81,7 @@ void nr_ue_layer_mapping(NR_UE_ULSCH_t **ulsch_ue,
 \param Ns Slot number (0..19)
 \param sample_offset offset within rxdata (points to beginning of subframe)
 */
-
+uint cal_amp(int16_t *dataIn, int len);
 int nr_slot_fep_ul(NR_DL_FRAME_PARMS *frame_parms,
                    int32_t *rxdata,
                    int32_t *rxdataF,

openair1/PHY/MODULATION/slot_fep_nr.c

@@ -33,6 +33,21 @@
 #undef LOG_I
 #define LOG_I(A,B...) printf(A)
 #endif*/
+uint g_ul_time_amp[14] = {0};
+uint g_ul_freq_amp[14] = {0};
+
+uint cal_amp(int16_t *dataIn, int len)
+{
+	int i;
+	uint sumA = 0;
+	for(i=0;i<len;i++)
+	{
+		sumA += abs(dataIn[i]);
+	}
+  sumA = sumA/len;
+	return sumA;
+}
+
 
 dft_size_idx_t get_dft_size_idx(uint16_t ofdm_symbol_size)
 {
@@ -334,7 +349,10 @@ int nr_slot_fep_ul(NR_DL_FRAME_PARMS *frame_parms,
       rxdata_ptr,
       (int16_t *)&rxdataF[symbol * frame_parms->ofdm_symbol_size],
       1);
-
+#if 0
+  g_ul_time_amp[symbol] = cal_amp(rxdata_ptr, 512);
+  g_ul_freq_amp[symbol] = cal_amp((int16_t *)&rxdataF[symbol * frame_parms->ofdm_symbol_size], 512);
+#endif
   return 0;
 }
 

openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c

@@ -1164,7 +1164,8 @@ void nr_ulsch_detection_mrc(NR_DL_FRAME_PARMS *frame_parms,
   _m_empty();
 #endif
 }
-
+extern uint g_ul_time_amp[14];
+extern uint g_ul_freq_amp[14];
 int nr_rx_pusch(PHY_VARS_gNB *gNB,
                 uint8_t ulsch_id,
                 uint32_t frame,
@@ -1380,6 +1381,19 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB,
                            rel15_ul->qam_mod_order);
       stop_meas(&gNB->ulsch_llr_stats);
       rxdataF_ext_offset += gNB->pusch_vars[ulsch_id]->ul_valid_re_per_slot[symbol];
+      
+      uint pusch_amp;
+      if (symbol == (rel15_ul->start_symbol_index + rel15_ul->nr_of_symbols - 1)) {
+        static int cnt = 0;
+        if (cnt < 10)
+        {
+          pusch_amp = cal_amp(&gNB->pusch_vars[ulsch_id]->rxdataF_ext[0][symbol * nb_re_pusch], nb_re_pusch);
+          //LOG_I(PHY, "UL AMP frame %d %d, symbol %d, rbs %d, res %d, time %d, freq %d \n", frame, slot, symbol, nb_re_pusch/12, nb_re_pusch, g_ul_time_amp[symbol], g_ul_freq_amp[symbol], pusch_amp);
+          LOG_I(PHY, "UL AMP frame %d %d, symbol %d, rbs %d, res %d, pusch amp %d \n", frame, slot, symbol, nb_re_pusch/12, nb_re_pusch, pusch_amp);
+
+          cnt++;
+        }
+      }
     }
   } // symbol loop