Merge remote-tracking branch 'origin/tm4-fixes' into develop_integration_w07

Conflicts:
	openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c
	openair1/PHY/LTE_TRANSPORT/power_control.c
	openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
	targets/SIMU/USER/oaisim_functions.c

cmake_targets/autotests/README.txt

@@ -101,6 +101,19 @@ Obj.#   Case#   Test#	Description
 01      51      04      pdcchsim (TBD)
 01      51      05      pbchsim (TBD)
 01      51      06      mbmssim (TBD)
+01      51      10      dlsim_tm4 test cases (Test 1: 10 MHz, R2.FDD (MCS 5), EVA5, -1dB), 
+                        (Test 5: 1.4 MHz, R4.FDD (MCS 4), EVA5, 0dB (70%)),
+                        (Test 6: 10 MHz, R3.FDD (MCS 15), EVA5, 6.7dB (70%)),
+                        (Test 6b: 5 MHz, R3-1.FDD (MCS 15), EVA5, 6.7dB (70%)),
+                        (Test 7: 5 MHz, R3-1.FDD (MCS 15), EVA5, 6.7dB (30%)),
+                        (Test 7b: 5 MHz, R3-1.FDD (MCS 15), ETU70, 1.4 dB (30%)),
+                        (Test 10: 5 MHz, R6.FDD (MCS 25), EVA5, 17.4 dB (70%)),
+                        (Test 10b: 5 MHz, R6-1.FDD (MCS 24,18 PRB), EVA5, 17.5dB (70%)),
+                        (Test 11: 10 MHz, R7.FDD (MCS 25), EVA5, 17.7dB (70%))
+		        (TM2 Test 1 10 MHz, R.11 FDD (MCS 14), EVA5, 6.8 dB (70%)),
+		        (TM2 Test 1b 20 MHz, R.11-2 FDD (MCS 13), EVA5, 5.9 dB (70%)),
+
+
 
 
 01      55              lte-softmodem tests with USRP B210 RF as eNB and ALU EPC w/ Bandrich COTS UE for 1TX/1RX (TM1), 2TX/2RX (TM2)

cmake_targets/autotests/test_case_list.xml

@@ -994,6 +994,43 @@
       <nruns>3</nruns>
     </testCase>
 
+    <testCase id="015110">
+      <class>execution</class>
+      <desc>dlsim_tm4 test cases (Test 1: 10 MHz, R2.FDD (MCS 5), EVA5, -1dB), 
+      (Test 5: 1.4 MHz, R4.FDD (MCS 4), EVA5, 0dB (70%)),
+      (Test 6, 10 MHz, R3.FDD (MCS 15), EVA5, 6.7dB (70%)),
+      (Test 6b, 5 MHz, R3-1.FDD (MCS 15), EVA5, 6.7dB (70%)),
+      (Test 7, 5 MHz, R3-1.FDD (MCS 15), EVA5, 6.7dB (30%)),
+      (Test 7b, 5 MHz, R3-1.FDD (MCS 15), ETU70, 1.4 dB (30%)),
+      (Test 10, 5 MHz, R6.FDD (MCS 25), EVA5, 17.4 dB (70%)),
+      (Test 10b, 5 MHz, R6-1.FDD (MCS 24,18 PRB), EVA5, 17.5dB (70%)),
+      (Test 11, 10 MHz, R7.FDD (MCS 25), EVA5, 17.7dB (70%))
+      (TM2 Test 1 10 MHz, R.11 FDD (MCS 14), EVA5, 6.8 dB (70%)),
+      (TM2 Test 1b 20 MHz, R.11-2 FDD (MCS 13), EVA5, 5.9 dB (70%)),
+       </desc>
+      <pre_compile_prog></pre_compile_prog>
+      <compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</compile_prog>
+      <compile_prog_args> --phy_simulators  -c </compile_prog_args>
+      <pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash</pre_exec>
+      <pre_exec_args></pre_exec_args>
+      <main_exec> $OPENAIR_DIR/cmake_targets/lte-simulators/build/dlsim_tm4</main_exec>
+      <main_exec_args> -m5 -gF -s-1 -w1.0 -f.2 -n500 -B50 -c2 -z2 -O70
+                       -m4 -gF -s0 -w1.0 -f.2 -n500 -B6 -c4 -z2 -O70
+                       -m15 -gF -s6.7 -w1.0 -f.2 -n500 -B50 -c2 -z2 -O70
+                       -m14 -gF -s6.7 -w1.0 -f.2 -n500 -B25 -c3 -z2 -O70
+                       -m15 -gG -s6.7 -w1.0 -f.2 -n500 -B50 -c2 -z2 -O30
+                       -m14 -gG -s1.4 -w1.0 -f.2 -n500 -B25 -c3 -z2 -O30
+                       -m25 -gF -s17.4 -w1.0 -f.2 -n500 -B25 -c3 -z2 -O70
+                       -m25 -gF -s17.5 -w1.0 -f.2 -n500 -B25 -c3 -z2 -r1022 -O70
+                       -m26 -gF -s17.7 -w1.0 -f.2 -n500 -B50 -c2 -z2 -O70
+		       -m14 -gF -s6.8  -w1.0 -f.2 -n500 -B50 -c2 -x2 -y2 -z2 -O70
+                       -m13 -gF -s5.9  -w1.0 -f.2 -n500 -B25 -c3 -x2 -y2 -z2 -O70</main_exec_args>
+      <tags>dlsim_tm4.test1 dlsim_tm4.test5 dlsim_tm4.test6 dlsim_tm4.test6b dlsim_tm4.test7 dlsim_tm4.test7b dlsim_tm4.test10 dlsim_tm4.test10b dlsim_tm4.test11 dlsim_tm4.TM2_test1 dlsim_tm4.TM2_test1b</tags>
+      <search_expr_true>"passed"</search_expr_true>
+      <search_expr_false>segmentation fault|assertion|exiting|fatal</search_expr_false>
+      <nruns>3</nruns>
+    </testCase>
+
   <testCase id="015500" >
     <class>lte-softmodem</class>
     <desc></desc>

cmake_targets/build_oai

@@ -543,7 +543,7 @@ function main() {
   if [ "$SIMUS_PHY" = "1" ] ; then
     # lte unitary simulators compilation
     echo_info "Compiling unitary tests simulators"
-    simlist="dlsim ulsim pucchsim prachsim pdcchsim pbchsim mbmssim"
+    simlist="dlsim_tm4 dlsim ulsim pucchsim prachsim pdcchsim pbchsim mbmssim"
     for f in $simlist ; do
       compilations \
       lte-simulators $f \

cmake_targets/lte-simulators/CMakeLists.txt

@@ -8,7 +8,7 @@ set(DEBUG_PHY False)
 set(MU_RECIEVER False)
 set(RANDOM_BF False)
 set(PBS_SIM False)
-set(PERFECT_CE False)
+set(PERFECT_CE True)
 set(NAS_UE False)
 set(MESSAGE_CHART_GENERATOR False)
 

openair1/PHY/INIT/lte_param_init.c

@@ -121,9 +121,9 @@ void lte_param_init(unsigned char N_tx_port_eNB,
     UE->pdsch_config_dedicated->p_a  = dB0; // 4 = 0dB
     ((UE->frame_parms).pdsch_config_common).p_b = 0;
   } else { // rho_a = rhob
-    eNB->pdsch_config_dedicated->p_a  = dB0; // 4 = 0dB
+    eNB->pdsch_config_dedicated->p_a  = dBm3; // 4 = 0dB
     ((eNB->frame_parms).pdsch_config_common).p_b = 1;
-    UE->pdsch_config_dedicated->p_a  = dB0; // 4 = 0dB
+    UE->pdsch_config_dedicated->p_a  = dBm3; // 4 = 0dB
     ((UE->frame_parms).pdsch_config_common).p_b = 1;
   }
 

openair1/PHY/LTE_ESTIMATION/lte_ue_measurements.c

@@ -197,9 +197,9 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
 
           if (ue->frame_parms.Ncp==NORMAL) {
             for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
+
 	      rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(5*ue->frame_parms.ofdm_symbol_size)];
 	      rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(6*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]);
@@ -298,8 +298,9 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
 	      rxF_sss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(6*ue->frame_parms.ofdm_symbol_size)];
 	      // note this is a dummy pointer, the pss is not really there!
 	      // in FDD the pss is in the symbol after the sss, but not in TDD
+
 	      rxF_pss = (int16_t *)&ue->common_vars.common_vars_rx_data_per_thread[subframe&0x1].rxdataF[aarx][(7*ue->frame_parms.ofdm_symbol_size)];
-	      
+
 	      //-ve spectrum from SSS
 	      //              ue->measurements.n0_power[aarx] = (((int32_t)rxF_pss[-72]*rxF_pss[-72])+((int32_t)rxF_pss[-71]*rxF_pss[-71]));
               ue->measurements.n0_power[aarx] = (((int32_t)rxF_pss[-70]*rxF_pss[-70])+((int32_t)rxF_pss[-69]*rxF_pss[-69]));
@@ -312,14 +313,14 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
 	      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]));
-	      
+
 	      ue->measurements.n0_power_dB[aarx] = (unsigned short) dB_fixed(ue->measurements.n0_power[aarx]/(6));
-	      ue->measurements.n0_power_tot +=  ue->measurements.n0_power[aarx];	  
-	    }	      
+	      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/(6*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);
-	      
-	    
+
+
           }
 #endif
         }
@@ -363,7 +364,7 @@ void ue_rrc_measurements(PHY_VARS_UE *ue,
 	      //	      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))
@@ -474,6 +475,14 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
   LTE_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;
+  ue->measurements.nb_antennas_rx = frame_parms->nb_antennas_rx;
+
+    if (ue->transmission_mode[eNB_id]!=4)
+     ue->measurements.rank[eNB_id] = 0;
+    else
+    ue->measurements.rank[eNB_id] = 1;
+  //  printf ("tx mode %d\n", ue->transmission_mode[eNB_id]);
+  //  printf ("rank %d\n", ue->PHY_measurements.rank[eNB_id]);
 
   switch (N_RB_DL) {
   case 6:
@@ -625,6 +634,7 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
       }
 
       for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
+	//printf("aarx=%d", aarx);
         // skip the first 4 RE due to interpolation filter length of 5 (not possible to skip 5 due to 128i alignment, must be multiple of 128bit)
 
 #if defined(__x86_64__) || defined(__i386__)
@@ -644,9 +654,11 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
 
           // pmi
 #if defined(__x86_64__) || defined(__i386__)
-          pmi128_re = _mm_setzero_si128();
-          pmi128_im = _mm_setzero_si128();
+
+	  pmi128_re = _mm_xor_si128(pmi128_re,pmi128_re);
+          pmi128_im = _mm_xor_si128(pmi128_im,pmi128_im);
 #elif defined(__arm__)
+
           pmi128_re = vdupq_n_s32(0);
 	  pmi128_im = vdupq_n_s32(0);
 #endif
@@ -659,18 +671,52 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
 
           for (i=0; i<limit; i++) {
 
+#if defined(__x86_64__) || defined(__i386__)
+	      mmtmpPMI0 = _mm_xor_si128(mmtmpPMI0,mmtmpPMI0);
+              mmtmpPMI1 = _mm_xor_si128(mmtmpPMI1,mmtmpPMI1);
+
             // For each RE in subband perform ch0 * conj(ch1)
             // multiply by conjugated channel
-#if defined(__x86_64__) || defined(__i386__)
-            mmtmpPMI1 = _mm_shufflelo_epi16(dl_ch1_128[0],_MM_SHUFFLE(2,3,0,1));//_MM_SHUFFLE(2,3,0,1)
+		//  print_ints("ch0",&dl_ch0_128[0]);
+		//  print_ints("ch1",&dl_ch1_128[0]);
+
+	    mmtmpPMI0 = _mm_madd_epi16(dl_ch0_128[0],dl_ch1_128[0]);
+	         //  print_ints("re",&mmtmpPMI0);
+            mmtmpPMI1 = _mm_shufflelo_epi16(dl_ch1_128[0],_MM_SHUFFLE(2,3,0,1));
+              //  print_ints("_mm_shufflelo_epi16",&mmtmpPMI1);
             mmtmpPMI1 = _mm_shufflehi_epi16(mmtmpPMI1,_MM_SHUFFLE(2,3,0,1));
+	        //  print_ints("_mm_shufflehi_epi16",&mmtmpPMI1);
             mmtmpPMI1 = _mm_sign_epi16(mmtmpPMI1,*(__m128i*)&conjugate[0]);
+	       //  print_ints("_mm_sign_epi16",&mmtmpPMI1);
             mmtmpPMI1 = _mm_madd_epi16(mmtmpPMI1,dl_ch0_128[0]);
+	       //   print_ints("mm_madd_epi16",&mmtmpPMI1);
             // mmtmpPMI1 contains imag part of 4 consecutive outputs (32-bit)
+            pmi128_re = _mm_add_epi32(pmi128_re,mmtmpPMI0);
+	     //   print_ints(" pmi128_re 0",&pmi128_re);
+            pmi128_im = _mm_add_epi32(pmi128_im,mmtmpPMI1);
+	       //   print_ints(" pmi128_im 0 ",&pmi128_im);
 
+	  /*  mmtmpPMI0 = _mm_xor_si128(mmtmpPMI0,mmtmpPMI0);
+            mmtmpPMI1 = _mm_xor_si128(mmtmpPMI1,mmtmpPMI1);
+
+	    mmtmpPMI0 = _mm_madd_epi16(dl_ch0_128[1],dl_ch1_128[1]);
+	         //  print_ints("re",&mmtmpPMI0);
+            mmtmpPMI1 = _mm_shufflelo_epi16(dl_ch1_128[1],_MM_SHUFFLE(2,3,0,1));
+              //  print_ints("_mm_shufflelo_epi16",&mmtmpPMI1);
+            mmtmpPMI1 = _mm_shufflehi_epi16(mmtmpPMI1,_MM_SHUFFLE(2,3,0,1));
+	        //  print_ints("_mm_shufflehi_epi16",&mmtmpPMI1);
+            mmtmpPMI1 = _mm_sign_epi16(mmtmpPMI1,*(__m128i*)&conjugate);
+	       //  print_ints("_mm_sign_epi16",&mmtmpPMI1);
+            mmtmpPMI1 = _mm_madd_epi16(mmtmpPMI1,dl_ch0_128[1]);
+	       //   print_ints("mm_madd_epi16",&mmtmpPMI1);
+            // mmtmpPMI1 contains imag part of 4 consecutive outputs (32-bit)
             pmi128_re = _mm_add_epi32(pmi128_re,mmtmpPMI0);
+	        //  print_ints(" pmi128_re 1",&pmi128_re);
             pmi128_im = _mm_add_epi32(pmi128_im,mmtmpPMI1);
+	    //print_ints(" pmi128_im 1 ",&pmi128_im);*/
+
 #elif defined(__arm__)
+
             mmtmpPMI0 = vmull_s16(((int16x4_t*)dl_ch0_128)[0], ((int16x4_t*)dl_ch1_128)[0]);
             mmtmpPMI1 = vmull_s16(((int16x4_t*)dl_ch0_128)[1], ((int16x4_t*)dl_ch1_128)[1]);
             pmi128_re = vqaddq_s32(pmi128_re,vcombine_s32(vpadd_s32(vget_low_s32(mmtmpPMI0),vget_high_s32(mmtmpPMI0)),vpadd_s32(vget_low_s32(mmtmpPMI1),vget_high_s32(mmtmpPMI1))));
@@ -730,7 +776,7 @@ void lte_ue_measurements(PHY_VARS_UE *ue,
       }
     }
 
-    ue->measurements.rank[eNB_id] = 0;
+    //ue->measurements.rank[eNB_id] = 0;
 
     for (i=0; i<nb_subbands; i++) {
       ue->measurements.selected_rx_antennas[eNB_id][i] = 0;

openair1/PHY/LTE_TRANSPORT/defs.h

@@ -79,11 +79,17 @@
 #if !defined(C_RNTI)
 #define C_RNTI   (rnti_t)0x1234
 #endif
-
-#define PMI_2A_11 0
+// These are the codebook indexes according to Table 6.3.4.2.3-1 of 36.211
+//1 layer
+#define PMI_2A_11  0
 #define PMI_2A_1m1 1
-#define PMI_2A_1j 2
+#define PMI_2A_1j  2
 #define PMI_2A_1mj 3
+//2 layers
+#define PMI_2A_R1_10 0
+#define PMI_2A_R1_11 1
+#define PMI_2A_R1_1j 2
+
 
 typedef enum {
   SCH_IDLE,
@@ -158,6 +164,8 @@ typedef struct {
   uint8_t Nlayers;
   /// First layer for this PSCH transmission
   uint8_t first_layer;
+   /// codeword this transport block is mapped to
+  uint8_t codeword;
 } LTE_DL_eNB_HARQ_t;
 
 typedef struct {
@@ -584,6 +592,8 @@ typedef struct {
   uint32_t trials[8];
   /// error statistics per round
   uint32_t errors[8];
+  /// codeword this transport block is mapped to
+  uint8_t codeword;
 } LTE_DL_UE_HARQ_t;
 
 typedef struct {
@@ -754,6 +764,13 @@ typedef enum {
   PMCH
 } PDSCH_t;
 
+typedef enum {
+  rx_standard=0,
+  rx_IC_single_stream,
+  rx_IC_dual_stream,
+  rx_SIC_dual_stream
+} RX_type_t;
+
 typedef enum {
   pucch_format1=0,
   pucch_format1a,

openair1/PHY/LTE_TRANSPORT/dlsch_decoding.c

@@ -37,7 +37,7 @@
 #include "SCHED/extern.h"
 #include "SIMULATION/TOOLS/defs.h"
 //#define DEBUG_DLSCH_DECODING
- 
+
 
 void free_ue_dlsch(LTE_UE_DLSCH_t *dlsch)
 {
@@ -343,7 +343,7 @@ uint32_t  dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
 
   for (r=0; r<harq_process->C; r++) {
 
-    
+
     // Get Turbo interleaver parameters
     if (r<harq_process->Cminus)
       Kr = harq_process->Kminus;
@@ -387,7 +387,7 @@ uint32_t  dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
           harq_process->round);
 #endif
 
-
+//printf("dlsch->harq_processes[harq_pid]->rvidx = %d\n", dlsch->harq_processes[harq_pid]->rvidx);
     if (lte_rate_matching_turbo_rx(harq_process->RTC[r],
                                    G,
                                    harq_process->w[r],
@@ -486,7 +486,7 @@ uint32_t  dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
       stop_meas(dlsch_turbo_decoding_stats);
     }
 #else
-    if ((harq_process->C == 1) ||  
+    if ((harq_process->C == 1) ||
 	((r==harq_process->C-1) && (skipped_last==0))) { // last segment with odd number of segments
 
       start_meas(dlsch_turbo_decoding_stats);
@@ -518,7 +518,7 @@ uint32_t  dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
       }
       else {
 	skipped_last=0;
-	
+
 	if (Kr_last == Kr) { // decode 2 code segments with AVX2 version
 #ifdef DEBUG_DLSCH_DECODING
 	  printf("single decoding segment %d (%p)\n",r-1,&harq_process->d[r-1][96]);
@@ -565,7 +565,7 @@ uint32_t  dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
 
 	     exit(-1);*/
 	  stop_meas(dlsch_turbo_decoding_stats);
-	} 
+	}
 	else { // Kr_last != Kr
 	  start_meas(dlsch_turbo_decoding_stats);
 	  ret = tc
@@ -585,7 +585,7 @@ uint32_t  dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
              &phy_vars_ue->dlsch_tc_intl1_stats,
              &phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
 	  stop_meas(dlsch_turbo_decoding_stats);
-	  
+
 	  start_meas(dlsch_turbo_decoding_stats);
 	  ret = tc
             (&harq_process->d[r][96],
@@ -604,7 +604,7 @@ uint32_t  dlsch_decoding(PHY_VARS_UE *phy_vars_ue,
              &phy_vars_ue->dlsch_tc_intl1_stats,
              &phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
 	  stop_meas(dlsch_turbo_decoding_stats);
-	  
+
 	}
       }
     }
@@ -747,7 +747,7 @@ int dlsch_abstraction_EESM(double* sinr_dB, uint8_t TM, uint32_t rb_alloc[4], ui
 
   bler = interp(sinr_eff,&sinr_bler_map[mcs][0][0],&sinr_bler_map[mcs][1][0],table_length[mcs]);
 
-#ifdef USER_MODE // need to be adapted for the emulation in the kernel space 
+#ifdef USER_MODE // need to be adapted for the emulation in the kernel space
 
   if (uniformrandom() < bler) {
     LOG_I(OCM,"abstraction_decoding failed (mcs=%d, sinr_eff=%f, bler=%f, TM %d)\n",mcs,sinr_eff,bler, TM);
@@ -830,7 +830,7 @@ int dlsch_abstraction_MIESM(double* sinr_dB,uint8_t TM, uint32_t rb_alloc[4], ui
 
   bler = interp(sinr_eff,&sinr_bler_map[mcs][0][0],&sinr_bler_map[mcs][1][0],table_length[mcs]);
 
-#ifdef USER_MODE // need to be adapted for the emulation in the kernel space 
+#ifdef USER_MODE // need to be adapted for the emulation in the kernel space
 
   if (uniformrandom() < bler) {
     LOG_N(OCM,"abstraction_decoding failed (mcs=%d, sinr_eff=%f, bler=%f)\n",mcs,sinr_eff,bler);

openair1/PHY/LTE_TRANSPORT/pcfich.c

@@ -69,9 +69,9 @@ void generate_pcfich_reg_mapping(LTE_DL_FRAME_PARMS *frame_parms)
     first_reg = pcfich_reg[3];
   }
 
-  //#ifdef DEBUG_PCFICH
+  #ifdef DEBUG_PCFICH
   printf("pcfich_reg : %d,%d,%d,%d\n",pcfich_reg[0],pcfich_reg[1],pcfich_reg[2],pcfich_reg[3]);
-  //#endif
+  #endif
 }
 
 void pcfich_scrambling(LTE_DL_FRAME_PARMS *frame_parms,

openair1/PHY/LTE_TRANSPORT/phich.c

@@ -307,7 +307,7 @@ void generate_phich_reg_mapping(LTE_DL_FRAME_PARMS *frame_parms)
     Ngroup_PHICH<<=1;
   }
 
-  //#ifdef DEBUG_PHICH
+  #ifdef DEBUG_PHICH
   printf("Ngroup_PHICH %d (phich_config_common.phich_resource %d,phich_config_common.phich_duration %s, NidCell %d,Ncp %d, frame_type %d), smallest pcfich REG %d, n0 %d, n1 %d (first PHICH REG %d)\n",
 	 ((frame_parms->Ncp == NORMAL)?Ngroup_PHICH:(Ngroup_PHICH>>1)),
 	 frame_parms->phich_config_common.phich_resource,
@@ -317,7 +317,7 @@ void generate_phich_reg_mapping(LTE_DL_FRAME_PARMS *frame_parms)
 	 n0,
 	 n1,
 	 ((frame_parms->Nid_cell))%n0);
-  //#endif
+  #endif
 
   // This is the algorithm from Section 6.9.3 in 36-211, it works only for normal PHICH duration for now ...
 
@@ -371,9 +371,9 @@ void generate_phich_reg_mapping(LTE_DL_FRAME_PARMS *frame_parms)
       if (frame_parms->phich_reg[mprime][2]>=pcfich_reg[(frame_parms->pcfich_first_reg_idx+3)&3])
         frame_parms->phich_reg[mprime][2]++;
       
-      //#ifdef DEBUG_PHICH
+      #ifdef DEBUG_PHICH
       printf("phich_reg :%d => %d,%d,%d\n",mprime,frame_parms->phich_reg[mprime][0],frame_parms->phich_reg[mprime][1],frame_parms->phich_reg[mprime][2]);
-      //#endif
+      #endif
     } else { // extended PHICH duration
       frame_parms->phich_reg[mprime<<1][0] = (frame_parms->Nid_cell + mprime)%n0;
       frame_parms->phich_reg[1+(mprime<<1)][0] = (frame_parms->Nid_cell + mprime)%n0;

openair1/PHY/LTE_TRANSPORT/power_control.c

@@ -22,41 +22,44 @@
 #include "PHY/defs.h"
 #include "PHY/impl_defs_lte.h"
 
-//#define DEBUG_PC 1
-
+//#define DEBUG_PC 0
 /*
 double ratioPB[2][4]={{ 1.0,4.0/5.0,3.0/5.0,2.0/5.0},
           { 5.0/4.0,1.0,3.0/4.0,1.0/2.0}};
 */
 
-double ratioPB[2][4]= {{ 0.00000,  -0.96910,  -2.21849,  -3.97940},
-  { 0.96910,   0.00000,  -1.24939,  -3.01030}
-};
+double ratioPB[2][4]={{ 0.00000,  -0.96910,  -2.21849,  -3.97940}, //in db
+                      { 0.96910,   0.00000,  -1.24939,  -3.01030}};
 
-double pa_values[8]= {-6.0,-4.77,-3.0,-1.77,0.0,1.0,2.0,3.0};
+double pa_values[8]={-6.0,-4.77,-3.0,-1.77,0.0,1.0,2.0,3.0}; //reported by higher layers
 
 double get_pa_dB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated)
 {
-  return(pa_values[pdsch_config_dedicated->p_a]);
+  if (pdsch_config_dedicated)
+    return(pa_values[ pdsch_config_dedicated->p_a]);
+  else
+    return(0.0);
 }
 
 double computeRhoA_eNB(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
-                       LTE_eNB_DLSCH_t *dlsch_eNB,int dl_power_off)
-{
+                       LTE_eNB_DLSCH_t *dlsch_eNB, int dl_power_off, uint8_t n_antenna_port){
   double rho_a_dB;
   double sqrt_rho_a_lin;
 
-  rho_a_dB = pa_values[ pdsch_config_dedicated->p_a];
+  rho_a_dB = get_pa_dB(pdsch_config_dedicated);
 
-  if(!dl_power_off)
+  if(!dl_power_off) //if dl_power_offset is 0, this is for MU-interference, TM5
     rho_a_dB-=10*log10(2);
 
+  if(n_antenna_port==4) // see TS 36.213 Section 5.2
+    rho_a_dB=+10*log10(2);
+
   sqrt_rho_a_lin= pow(10,(0.05*rho_a_dB));
 
   dlsch_eNB->sqrt_rho_a= (short) (sqrt_rho_a_lin*pow(2,13));
 
-#ifdef DEBUG_PC
-  printf("sqrt_rho_a(eNB):%d\n",dlsch_eNB->sqrt_rho_a);
+#if DEBUG_PC
+  printf("eNB: p_a=%d, value=%f, sqrt_rho_a=%d\n",pdsch_config_dedicated->p_a,pa_values[ pdsch_config_dedicated->p_a],dlsch_eNB->sqrt_rho_a);
 #endif
 
   return(rho_a_dB);
@@ -72,7 +75,7 @@ double computeRhoB_eNB(PDSCH_CONFIG_DEDICATED  *pdsch_config_dedicated,
   double rho_a_dB, rho_b_dB;
   double sqrt_rho_b_lin;
 
-  rho_a_dB= computeRhoA_eNB(pdsch_config_dedicated,dlsch_eNB,dl_power_off);
+  rho_a_dB= computeRhoA_eNB(pdsch_config_dedicated,dlsch_eNB,dl_power_off, n_antenna_port);
 
   if(n_antenna_port>1)
     rho_b_dB= ratioPB[1][pdsch_config_common->p_b] + rho_a_dB;
@@ -84,7 +87,7 @@ double computeRhoB_eNB(PDSCH_CONFIG_DEDICATED  *pdsch_config_dedicated,
   dlsch_eNB->sqrt_rho_b= (short) (sqrt_rho_b_lin*pow(2,13));
 
 #ifdef DEBUG_PC
-  printf("sqrt_rho_b(eNB):%d\n",dlsch_eNB->sqrt_rho_b);
+  printf("eNB: n_ant=%d, p_b=%d -> rho_b/rho_a=%f -> sqrt_rho_b=%d\n",n_antenna_port,pdsch_config_common->p_b,ratioPB[1][pdsch_config_common->p_b],dlsch_eNB->sqrt_rho_b);
 #endif
   return(rho_b_dB);
 }
@@ -92,23 +95,28 @@ double computeRhoB_eNB(PDSCH_CONFIG_DEDICATED  *pdsch_config_dedicated,
 
 double computeRhoA_UE(PDSCH_CONFIG_DEDICATED *pdsch_config_dedicated,
                       LTE_UE_DLSCH_t *dlsch_ue,
-                      unsigned char dl_power_off)
-{
+                      unsigned char dl_power_off,
+                      uint8_t n_antenna_port
+                    ){
 
   double rho_a_dB;
   double sqrt_rho_a_lin;
 
-  rho_a_dB = pa_values[ pdsch_config_dedicated->p_a];
+  rho_a_dB = get_pa_dB(pdsch_config_dedicated);
 
   if(!dl_power_off)
     rho_a_dB-=10*log10(2);
+  //if dl_power_offset is 0, this is for MU-interference, TM5. But in practice UE may assume 16 or 64QAM TM4 as multiuser
+
+   if(n_antenna_port==4) // see TS 36.213 Section 5.2
+    rho_a_dB=+10*log10(2);
 
   sqrt_rho_a_lin= pow(10,(0.05*rho_a_dB));
 
   dlsch_ue->sqrt_rho_a= (short) (sqrt_rho_a_lin*pow(2,13));
 
 #ifdef DEBUG_PC
-  printf("p_a %d, rho_a_dB: %f, sqrt_rho_a(ue):%d  \n",pdsch_config_dedicated->p_a, rho_a_dB, dlsch_ue->sqrt_rho_a);
+  printf("UE: p_a=%d, value=%f, dl_power_off=%d, sqrt_rho_a=%d\n",pdsch_config_dedicated->p_a,pa_values[ pdsch_config_dedicated->p_a],dl_power_off,dlsch_ue->sqrt_rho_a);
 #endif
 
   return(rho_a_dB);
@@ -124,7 +132,7 @@ double computeRhoB_UE(PDSCH_CONFIG_DEDICATED  *pdsch_config_dedicated,
   double rho_a_dB, rho_b_dB;
   double sqrt_rho_b_lin;
 
-  rho_a_dB= computeRhoA_UE(pdsch_config_dedicated,dlsch_ue,dl_power_off);
+  rho_a_dB= computeRhoA_UE(pdsch_config_dedicated,dlsch_ue,dl_power_off, n_antenna_port);
 
   if(n_antenna_port>1)
     rho_b_dB= ratioPB[1][pdsch_config_common->p_b] + rho_a_dB;
@@ -136,9 +144,7 @@ double computeRhoB_UE(PDSCH_CONFIG_DEDICATED  *pdsch_config_dedicated,
   dlsch_ue->sqrt_rho_b= (short) (sqrt_rho_b_lin*pow(2,13));
 
 #ifdef DEBUG_PC
-  printf("p_b : %d, rho_b_dB: %f,  sqrt_rho_b(ue):%d\n",pdsch_config_common->p_b, rho_b_dB, dlsch_ue->sqrt_rho_b);
+  printf("UE: p_b=%d, n_ant=%d -> ratio=%f -> sqrt_rho_b=%d\n",pdsch_config_common->p_b, n_antenna_port,ratioPB[1][pdsch_config_common->p_b],dlsch_ue->sqrt_rho_b);
 #endif
   return(rho_b_dB);
 }
-
-

openair1/PHY/LTE_TRANSPORT/uci_tools.c

@@ -168,6 +168,7 @@ void extract_CQI(void *o,UCI_format_t uci_format,LTE_eNB_UE_stats *stats, uint8_
   //unsigned char rank;
   //UCI_format fmt;
   //uint8_t N_RB_DL = 25;
+  uint8_t i;
   LOG_D(PHY,"[eNB][UCI] N_RB_DL %d uci format %d\n", N_RB_DL,uci_format);
 
   switch(N_RB_DL) {
@@ -275,6 +276,11 @@ void extract_CQI(void *o,UCI_format_t uci_format,LTE_eNB_UE_stats *stats, uint8_
         stats->DL_cqi[1] = 24;
 
       stats->DL_pmi_dual   = ((wideband_cqi_rank2_2A_5MHz *)o)->pmi;
+      //this translates the 2-layer PMI into a single layer PMI for the first codeword
+      //the PMI for the second codeword will be stats->DL_pmi_single^0x1555
+      stats->DL_pmi_single = 0;
+      for (i=0;i<7;i++)
+	stats->DL_pmi_single = stats->DL_pmi_single | (((stats->DL_pmi_dual&(1<i))>>i)*2)<<2*i;  
       break;
 
     case HLC_subband_cqi_nopmi:

openair1/PHY/TOOLS/cdot_prod.c

@@ -107,10 +107,10 @@ int32_t dot_product(int16_t *x,
   //  print_shorts("mmtmp7",&mmtmp7);
   // convert back to integer
   result = _mm_cvtsi64_si32(mmtmp7);
-
+  
   _mm_empty();
   _m_empty();
-
+ 
   return(result);
 
 #elif defined(__arm__)

openair1/PHY/TOOLS/cmult_sv.c

@@ -59,18 +59,23 @@ void multadd_complex_vector_real_scalar(int16_t *x,
 
   if (zero_flag == 1)
     for (n=0; n<N>>2; n++) {
+     // print_shorts("x_128[n]=", &x_128[n]);
+     // print_shorts("alpha_128", &alpha_128);
       y_128[n] = mulhi_int16(x_128[n],alpha_128);
+     // print_shorts("y_128[n]=", &y_128[n]);
     }
 
   else
     for (n=0; n<N>>2; n++) {
       y_128[n] = adds_int16(y_128[n],mulhi_int16(x_128[n],alpha_128));
     }
-
+ 
   _mm_empty();