Merge branch 'nr_mib_fix' into 'develop-nr'

Nr mib fix

See merge request oai/openairinterface5g!461

openair1/PHY/INIT/nr_init.c

@@ -143,6 +143,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
   }
 
   nr_init_pdcch_dmrs(gNB, cfg->sch_config.physical_cell_id.value);
+  nr_init_pbch_interleaver(gNB->nr_pbch_interleaver);
 
 /*
   lte_gold(fp,gNB->lte_gold_table,fp->Nid_cell);

openair1/PHY/NR_TRANSPORT/nr_pbch.c

@@ -22,6 +22,7 @@
 /*! \file PHY/NR_TRANSPORT/nr_pbch.c
 * \brief Top-level routines for generating the PBCH/BCH physical/transport channel V15.1 03/2018
 * \author Guy De Souza
+* \thanks Special Thanks to Son Dang for helpfull contributions and testing
 * \date 2018
 * \version 0.1
 * \company Eurecom
@@ -39,9 +40,11 @@
 //#define DEBUG_PBCH_ENCODING
 //#define DEBUG_PBCH_DMRS
 
-//extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
 #include "PHY/NR_REFSIG/nr_mod_table.h"
 
+uint8_t nr_pbch_payload_interleaving_pattern[32] = {16, 23, 18, 17, 8, 30, 10, 6, 24, 7, 0, 5, 3, 2, 1, 4,
+                                                9, 11, 12, 13, 14, 15, 19, 20, 21, 22, 25, 26, 27, 28, 29, 31};
+
 int nr_generate_pbch_dmrs(uint32_t *gold_pbch_dmrs,
                           int32_t **txdataF,
                           int16_t amp,
@@ -152,66 +155,83 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
                         uint8_t nushift,
                         uint16_t M,
                         uint16_t length,
-                        uint8_t encoded)
-{
+                        uint8_t encoded,
+                        uint32_t unscrambling_mask) {
   uint8_t reset, offset;
   uint32_t x1, x2, s=0;
   uint32_t *pbch_e = pbch->pbch_e;
-  uint32_t unscrambling_mask = 0x100006D;
   reset = 1;
   // x1 is set in lte_gold_generic
   x2 = Nid;
+
   // The Gold sequence is shifted by nushift* M, so we skip (nushift*M /32) double words
   for (int i=0; i<(uint16_t)ceil(((float)nushift*M)/32); i++) {
-s = lte_gold_generic(&x1, &x2, reset);
+    s = lte_gold_generic(&x1, &x2, reset);
     reset = 0;
   }
+
   // Scrambling is now done with offset (nushift*M)%32
   offset = (nushift*M)&0x1f;
 #ifdef DEBUG_PBCH_ENCODING
   printf("Scrambling params: nushift %d M %d length %d encoded %d offset %d\n", nushift, M, length, encoded, offset);
 #endif
-
-  for (int i=0; i<length; i++) {
-    if (((i+offset)&0x1f)==0) {
-      s = lte_gold_generic(&x1, &x2, reset);
-      reset = 0;
-    }
 #ifdef DEBUG_PBCH_ENCODING
   printf("s: %04x\t", s);
 #endif
-    if (!encoded)
-      pbch->pbch_a_prime ^= ((unscrambling_mask>>i)&1)? ((pbch->pbch_a_interleaved>>i)&1)<<i : (((pbch->pbch_a_interleaved>>i)&1) ^ ((s>>((i+offset)&0x1f))&1))<<i;      
+  int k = 0;
+
+  if (!encoded) {
+    /// 1st Scrambling
+    for (int i = 0; i < length; ++i) {
+      if ((unscrambling_mask>>i)&1)
+        pbch->pbch_a_prime ^= ((pbch->pbch_a_interleaved>>i)&1)<<i;
+      else {
+        if (((k+offset)&0x1f)==0) {
+          s = lte_gold_generic(&x1, &x2, reset);
+          reset = 0;
+        }
+
+        pbch->pbch_a_prime ^= (((pbch->pbch_a_interleaved>>i)&1) ^ ((s>>((k+offset)&0x1f))&1))<<i;
+        k++;                  /// k increase only when payload bit is not special bit
+      }
+    }
+  } else {
+    /// 2nd Scrambling
+    for (int i = 0; i < length; ++i) {
+      if (((i+offset)&0x1f)==0) {
+        s = lte_gold_generic(&x1, &x2, reset);
+        reset = 0;
+      }
 
-    else
       pbch_e[i>>5] ^= (((s>>((i+offset)&0x1f))&1)<<(i&0x1f));
+    }
   }
 }
 
-// This portion of code is temporarily kept until the optimized version is validated
-uint8_t nr_pbch_payload_interleaving_pattern[32] = {16, 23, 18, 17, 8, 30, 10, 6, 24, 7, 0, 5, 3, 2, 1, 4,
-                                                9, 11, 12, 13, 14, 15, 19, 20, 21, 22, 25, 26, 27, 28, 29, 31};
 
-uint8_t nr_pbch_payload_interleaver(uint8_t i) {
-  uint8_t j_sfn=6, j_hrf=10, j_ssb=11, j_other=14;
-
-  if (24<=i && i<=27) //Sfn bits
-    return nr_pbch_payload_interleaving_pattern[j_sfn + i -24];
-  else if (i==28) // Hrf bit
-    return nr_pbch_payload_interleaving_pattern[j_hrf];
-  else if (29<=i) // Ssb bits
-    return nr_pbch_payload_interleaving_pattern[j_ssb + (i-29)];
-  else
-    return nr_pbch_payload_interleaving_pattern[(j_other + i)&0x1f];
+void nr_init_pbch_interleaver(uint8_t *interleaver) {
+  uint8_t j_sfn=0, j_hrf=10, j_ssb=11, j_other=14;
+  memset((void*)interleaver,0, NR_POLAR_PBCH_PAYLOAD_BITS);
+
+  for (uint8_t i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
+    if (!i) // choice bit:1
+     *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_other++);
+    else if (i<7) //Sfn bits:6
+      *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_sfn++);
+    else if (i<24) // other:17
+      *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_other++);
+    else if (i<28) // Sfn:4
+      *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_sfn++);
+    else if (i==28) // Hrf bit:1
+      *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_hrf);
+    else // Ssb bits:3
+      *(interleaver+i) = *(nr_pbch_payload_interleaving_pattern+j_ssb++);
 }
 
-/*This pattern takes into account the adjustments for the field specific counters j_sfn, j_hrf, j_ssb and j_other*/
-//uint8_t nr_pbch_payload_interleaving_pattern[32] = {1,4,9,11,12,13,14,15,19,20,21,22,25,26,27,28,
-//                                                    29,31,16,23,18,17,8,30,10,6,24,7,0,5,3,2};
-
 int nr_generate_pbch(NR_gNB_PBCH *pbch,
                      t_nrPolar_paramsPtr polar_params,
                      uint8_t *pbch_pdu,
+                     uint8_t *interleaver,
                      int32_t **txdataF,
                      int16_t amp,
                      uint8_t ssb_start_symbol,
@@ -229,50 +249,42 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
   uint8_t idx=0;
   uint16_t M;
   uint8_t nushift;
-  uint8_t *xbyte = pbch->pbch_a;
-  memset((void*) xbyte, 0, 1);
-  //uint8_t pbch_a_b[32];
+  uint32_t unscrambling_mask;
 
-  //  LOG_D(PHY, "PBCH generation started\n");
+  LOG_I(PHY, "PBCH generation started\n");
 
-  memset((void*)pbch, 0, sizeof(NR_gNB_PBCH));
   ///Payload generation
-    // Fix byte endian
-  if (!(sfn&7))
-    for (int i=0; i<(NR_PBCH_PDU_BITS>>3); i++)
-      pbch->pbch_a[(NR_POLAR_PBCH_PAYLOAD_BITS>>3)-i-1] = pbch_pdu[i];
+
+  memset((void*)pbch, 0, sizeof(NR_gNB_PBCH));
+  pbch->pbch_a=0;
+  for (int i=0; i<NR_PBCH_PDU_BITS; i++)
+    pbch->pbch_a |= ((pbch_pdu[2-(i>>3)]>>(7-(i&7)))&1)<<i;
 #ifdef DEBUG_PBCH_ENCODING
-  printf("Byte endian fix:\n");
-  for (int i=0; i<4; i++)
-    printf("pbch_a[%d]: 0x%02x\n", i, pbch->pbch_a[i]);
+  for (int i=0; i<3; i++)
+    printf("pbch_pdu[%d]: 0x%02x\n", i, pbch_pdu[i]);
+  printf("PBCH payload = 0x%08x\n",pbch->pbch_a);
 #endif
 
     // Extra byte generation
   for (int i=0; i<4; i++)
-    (*xbyte) ^= ((sfn>>i)&1)<<i; // 4 lsb of sfn
+    pbch->pbch_a |= ((sfn>>(3-i))&1)<<(24+i); // resp. 4th, 3rd, 2nd ans 1st lsb of sfn
 
-  (*xbyte) ^= n_hf<<4; // half frame index bit
+  pbch->pbch_a |= n_hf<<28; // half frame index bit
 
   if (Lmax == 64)
     for (int i=0; i<3; i++)
-      (*xbyte) ^= ((ssb_index>>(3+i))&1)<<(5+i); // resp. 4th, 5th and 6th bits of ssb_index
+      pbch->pbch_a |= ((ssb_index>>(5-i))&1)<<(29+i); // resp. 6th, 5th and 4th bits of ssb_index
   else
-    (*xbyte) ^= ((config->sch_config.ssb_subcarrier_offset.value>>5)&1)<<5; //MSB of k_SSB
-#ifdef DEBUG_PBCH_ENCODING
-  printf("Extra byte:\n");
-  for (int i=0; i<4; i++)
-    printf("pbch_a[%d]: 0x%02x\n", i, pbch->pbch_a[i]);
-#endif
+    pbch->pbch_a |= ((config->sch_config.ssb_subcarrier_offset.value>>4)&1)<<29; //MSB of k_SSB (bit index 4)
 
-    // Payload interleaving
-  uint32_t in=0;
-  for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS>>3; i++)
-    in |= (uint32_t)(pbch->pbch_a[i]<<((3-i)<<3));
+  LOG_I(PHY,"After extra byte: pbch_a = 0x%08x\n",pbch->pbch_a);
 
-  for (int i=0; i<32; i++) {
-    pbch->pbch_a_interleaved |= ((in>>i)&1)<<(nr_pbch_payload_interleaver(i));//nr_pbch_payload_interleaving_pattern[i]
+    // Payload interleaving
+  
+  for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++) {
+    pbch->pbch_a_interleaved |= ((pbch->pbch_a>>i)&1)<<(*(interleaver+i));
 #ifdef DEBUG_PBCH_ENCODING
-  printf("i %d in 0x%08x out 0x%08x ilv %d (in>>i)&1) %d\n", i, in, pbch->pbch_a_interleaved, nr_pbch_payload_interleaver(i), (in>>i)&1);
+  printf("i %d out 0x%08x ilv %d (in>>i)&1) %d\n", i, pbch->pbch_a_interleaved, *(interleaver+i), (pbch->pbch_a>>i)&1);
 #endif
   }
 
@@ -282,10 +294,11 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
 #endif
 
     // Scrambling
+  unscrambling_mask = (Lmax ==64)? 0x100006D:0x1000041;
   M = (Lmax == 64)? (NR_POLAR_PBCH_PAYLOAD_BITS - 6) : (NR_POLAR_PBCH_PAYLOAD_BITS - 3);
   nushift = (((sfn>>2)&1)<<1) ^ ((sfn>>1)&1);
   pbch->pbch_a_prime = 0;
-  nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_PAYLOAD_BITS, 0);
+  nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_PAYLOAD_BITS, 0, unscrambling_mask);
 #ifdef DEBUG_PBCH_ENCODING
   printf("Payload scrambling: nushift %d M %d sfn3 %d sfn2 %d\n", nushift, M, (sfn>>2)&1, (sfn>>1)&1);
   printf("pbch_a_prime: 0x%08x\n", pbch->pbch_a_prime);
@@ -303,7 +316,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
   /// Scrambling
   M =  NR_POLAR_PBCH_E;
   nushift = (Lmax==4)? ssb_index&3 : ssb_index&7;
-  nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_E, 1);
+  nr_pbch_scrambling(pbch, (uint32_t)config->sch_config.physical_cell_id.value, nushift, M, NR_POLAR_PBCH_E, 1, 0);
 #ifdef DEBUG_PBCH_ENCODING
   printf("Scrambling:\n");
   for (int i=0; i<NR_POLAR_PBCH_E_DWORD; i++)

openair1/PHY/NR_TRANSPORT/nr_transport.h

@@ -75,7 +75,8 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
                         uint8_t nushift,
                         uint16_t M,
                         uint16_t length,
-                        uint8_t encoded);
+                        uint8_t encoded,
+                        uint32_t unscrambling_mask);
 
 /*!
 \fn int nr_generate_pbch
@@ -86,6 +87,7 @@ void nr_pbch_scrambling(NR_gNB_PBCH *pbch,
 int nr_generate_pbch(NR_gNB_PBCH *pbch,
                      t_nrPolar_paramsPtr polar_params,
                      uint8_t *pbch_pdu,
+                     uint8_t *interleaver,
                      int32_t **txdataF,
                      int16_t amp,
                      uint8_t ssb_start_symbol,
@@ -102,6 +104,6 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
 @param bit index i of the input payload
 @returns the bit index of the output
  */
-uint8_t nr_pbch_payload_interleaver(uint8_t i);
+void nr_init_pbch_interleaver(uint8_t *interleaver);
 
 #endif /*__NR_TRANSPORT__H__*/

openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c

@@ -436,14 +436,14 @@ void nr_pbch_unscrambling(NR_UE_PBCH *pbch,
 			  uint8_t nushift,
 			  uint16_t M,
 			  uint16_t length,
-			  uint8_t bitwise)
+			  uint8_t bitwise,
+        uint32_t unscrambling_mask)
 {
   uint8_t reset, offset;
   uint32_t x1, x2, s=0;
+  uint8_t k=0;
   int16_t *demod_pbch_e = pbch->llr;
 
-  uint32_t unscrambling_mask = 0x100006D;
-
 
   reset = 1;
   // x1 is set in first call to lte_gold_generic
@@ -469,7 +469,8 @@ void nr_pbch_unscrambling(NR_UE_PBCH *pbch,
 #endif
       if (bitwise) {
 	
-        (pbch->pbch_a_interleaved) ^= ((unscrambling_mask>>i)&1)? ((pbch->pbch_a_prime>>i)&1)<<i : (((pbch->pbch_a_prime>>i)&1) ^ ((s>>((i+offset)&0x1f))&1))<<i;
+        (pbch->pbch_a_interleaved) ^= ((unscrambling_mask>>i)&1)? ((pbch->pbch_a_prime>>i)&1)<<i : (((pbch->pbch_a_prime>>i)&1) ^ ((s>>((k+offset)&0x1f))&1))<<i;
+        k+=!((unscrambling_mask>>i)&1);
       }
 
       else {
@@ -507,7 +508,7 @@ unsigned char sign(int8_t x) {
 }
 */
 
-uint8_t pbch_deinterleaving_pattern[32] = {28,0,31,30,1,29,25,27,22,2,24,3,4,5,6,7,18,21,20,8,9,10,11,19,26,12,13,14,15,16,23,17};
+uint8_t pbch_deinterleaving_pattern[32] = {28,0,31,30,7,29,25,27,5,8,24,9,10,11,12,13,1,4,3,14,15,16,17,2,26,18,19,20,21,22,30,23};
 
 int nr_rx_pbch( PHY_VARS_NR_UE *ue,
 		UE_nr_rxtx_proc_t *proc,
@@ -647,7 +648,8 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
   //un-scrambling
   M =  NR_POLAR_PBCH_E;
   nushift = (Lmax==4)? ssb_index&3 : ssb_index&7;
-  nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_E,0);
+  uint32_t unscrambling_mask = (Lmax==64)?0x100006D:0x1000041;
+  nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_E,0,0);
 
 
 
@@ -664,18 +666,18 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
   if(decoderState == -1)
   	return(decoderState);
   	
-  	//printf("polar decoder output 0x%08x\n",nr_ue_pbch_vars->pbch_a_prime);
+  	printf("polar decoder output 0x%08x\n",nr_ue_pbch_vars->pbch_a_prime);
   
   //payload un-scrambling
   memset(&nr_ue_pbch_vars->pbch_a_interleaved, 0, sizeof(uint32_t) );
   M = (Lmax == 64)? (NR_POLAR_PBCH_PAYLOAD_BITS - 6) : (NR_POLAR_PBCH_PAYLOAD_BITS - 3);
-  nushift = ((nr_ue_pbch_vars->pbch_a_prime>>6)&1) ^ (((nr_ue_pbch_vars->pbch_a_prime>>24)&1)<<1);
-  nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_PAYLOAD_BITS,1);
+  nushift = ((nr_ue_pbch_vars->pbch_a_prime>>24)&1) ^ (((nr_ue_pbch_vars->pbch_a_prime>>6)&1)<<1);
+  nr_pbch_unscrambling(nr_ue_pbch_vars,frame_parms->Nid_cell,nushift,M,NR_POLAR_PBCH_PAYLOAD_BITS,1,unscrambling_mask);
+  printf("nushift %d sfn 3rd %d 2nd %d", nushift,((nr_ue_pbch_vars->pbch_a_prime>>6)&1), ((nr_ue_pbch_vars->pbch_a_prime>>24)&1) );
 
   //payload deinterleaving
   //uint32_t in=0;
   uint32_t out=0;
-
   for (int i=0; i<32; i++) {
     out |= ((nr_ue_pbch_vars->pbch_a_interleaved>>i)&1)<<(pbch_deinterleaving_pattern[i]);
 #ifdef DEBUG_PBCH
@@ -683,14 +685,18 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
 #endif
   }
 
-  for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS>>3; i++)
-	  decoded_output[i] = (uint8_t)((out>>(i<<3))&0xff);
+ uint32_t payload = 0;
+ uint8_t xtra_byte = 0;
+ xtra_byte = (out>>24)&0xff;
+
+  for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
+	  payload |= ((out>>i)&1)<<(NR_POLAR_PBCH_PAYLOAD_BITS-i-1);
+
+ for (int i=0; i<3; i++)
+  decoded_output[i] = (uint8_t)((payload>>((3-i)<<3))&0xff);
 
-  // Fix byte endian
-  //  for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS>>3); i++)
-  //     decoded_output[(NR_POLAR_PBCH_PAYLOAD_BITS>>3)-i-1] = pbch_a[i];
-     
 #ifdef DEBUG_PBCH
+ printf("xtra_byte %x payload %x\n", xtra_byte, payload);
   for (i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS>>3); i++){
     //  	  printf("unscrambling pbch_a[%d] = %x \n", i,pbch_a[i]);
   	  printf("[PBCH] decoder payload[%d] = %x\n",i,decoded_output[i]);
@@ -703,7 +709,7 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
     ue->rx_ind.rx_indication_body = (fapi_nr_rx_indication_body_t *)malloc(sizeof(fapi_nr_rx_indication_body_t));
     ue->rx_ind.rx_indication_body->pdu_type = FAPI_NR_RX_PDU_TYPE_MIB;
     ue->rx_ind.rx_indication_body->mib_pdu.pdu = &decoded_output[0];
-    ue->rx_ind.rx_indication_body->mib_pdu.additional_bits = decoded_output[3];
+    ue->rx_ind.rx_indication_body->mib_pdu.additional_bits = xtra_byte;
     ue->rx_ind.rx_indication_body->mib_pdu.ssb_index = ssb_index;            //  confirm with TCL
     ue->rx_ind.rx_indication_body->mib_pdu.ssb_length = Lmax;                //  confirm with TCL
     ue->rx_ind.rx_indication_body->mib_pdu.cell_id = frame_parms->Nid_cell;  //  confirm with TCL

openair1/PHY/TOOLS/tools_defs.h

@@ -32,6 +32,9 @@
 #include <stdint.h>
 #include "PHY/sse_intrin.h"
 
+#define CEILIDIV(a,b) ((a+b-1)/b)
+#define ROUNDIDIV(a,b) (((a<<1)+b)/(b<<1))
+
 
 struct complex {
   double x;

openair1/PHY/defs_gNB.h

@@ -41,7 +41,7 @@
 #define MAX_NUM_RU_PER_gNB MAX_NUM_RU_PER_eNB
 
 typedef struct {
-  uint8_t pbch_a[NR_POLAR_PBCH_PAYLOAD_BITS>>3];
+  uint32_t pbch_a;
   uint32_t pbch_a_interleaved;
   uint32_t pbch_a_prime;
   uint32_t pbch_e[NR_POLAR_PBCH_E_DWORD];
@@ -324,6 +324,9 @@ typedef struct PHY_VARS_gNB_s {
   /// PBCH DMRS sequence
   uint32_t nr_gold_pbch_dmrs[2][64][NR_PBCH_DMRS_LENGTH_DWORD];
 
+  /// PBCH interleaver
+  uint8_t nr_pbch_interleaver[NR_POLAR_PBCH_PAYLOAD_BITS];
+
   /// PDCCH DMRS sequence
   uint32_t ***nr_gold_pdcch_dmrs;
 

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -146,7 +146,15 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame, int subframe) {
       gNB->pbch_configured = 0;
     }
     nr_generate_pbch_dmrs(gNB->nr_gold_pbch_dmrs[n_hf][ssb_index],txdataF, AMP_OVER_2, ssb_start_symbol, cfg, fp);
-    nr_generate_pbch(&gNB->pbch, gNB->nrPolar_params, pbch_pdu, txdataF, AMP_OVER_2, ssb_start_symbol, n_hf, Lmax, ssb_index, frame, cfg, fp);
+    nr_generate_pbch(&gNB->pbch,
+                      gNB->nrPolar_params,
+                      pbch_pdu,
+                      gNB->nr_pbch_interleaver,
+                      txdataF,
+                      AMP_OVER_2,
+                      ssb_start_symbol,
+                      n_hf,Lmax,ssb_index,
+                      frame, cfg, fp);
   }
 
 }

openair1/SCHED_NR_UE/fapi_nr_ue_l1.c

@@ -220,7 +220,7 @@ int8_t nr_ue_phy_config_request(nr_phy_config_t *phy_config){
             printf("dmrs type A position:        %d\n", phy_config->config_req.pbch_config.dmrs_type_a_position);
             printf("pdcch config sib1:           %d\n", phy_config->config_req.pbch_config.pdcch_config_sib1);
             printf("cell barred:                 %d\n", phy_config->config_req.pbch_config.cell_barred);
-            printf("intra frequcney reselection: %d\n", phy_config->config_req.pbch_config.intra_frequency_reselection);
+            printf("intra frequency reselection: %d\n", phy_config->config_req.pbch_config.intra_frequency_reselection);
             printf("system frame number:         %d\n", phy_config->config_req.pbch_config.system_frame_number);
             printf("ssb index:                   %d\n", phy_config->config_req.pbch_config.ssb_index);
             printf("half frame bit:              %d\n", phy_config->config_req.pbch_config.half_frame_bit);

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -210,12 +210,14 @@ int8_t nr_ue_decode_mib(
     
     AssertFatal(mac->mib != NULL, "nr_ue_decode_mib() mac->mib == NULL\n");
     //if(mac->mib != NULL){
-	    uint32_t frame = (mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused);
-	    uint32_t frame_number_4lsb = (uint32_t)(extra_bits & 0xf);                      //	extra bits[0:3]
-	    uint32_t half_frame_bit = (uint32_t)(( extra_bits >> 4 ) & 0x1 );               //	extra bits[4]
-	    uint32_t ssb_subcarrier_offset_msb = (uint32_t)(( extra_bits >> 5 ) & 0x1 );    //	extra bits[5]
+	    uint16_t frame = (mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused);
+	    uint16_t frame_number_4lsb = 0;
+      for (int i=0; i<4; i++)
+        frame_number_4lsb |= ((extra_bits>>i)&1)<<(3-i);
+	    uint8_t half_frame_bit = ( extra_bits >> 4 ) & 0x1;               //	extra bits[4]
+	    uint8_t ssb_subcarrier_offset_msb = ( extra_bits >> 5 ) & 0x1;    //	extra bits[5]
 	    
-	    uint32_t ssb_subcarrier_offset = mac->mib->ssb_SubcarrierOffset;
+	    uint8_t ssb_subcarrier_offset = (uint8_t)mac->mib->ssb_SubcarrierOffset;
 
 	    //uint32_t ssb_index = 0;    //  TODO: ssb_index should obtain from L1 in case Lssb != 64
 
@@ -238,7 +240,7 @@ int8_t nr_ue_decode_mib(
 		printf("dmrs type A position:          %d\n", (int)mac->mib->dmrs_TypeA_Position);
 		printf("pdcch config sib1:             %d\n", (int)mac->mib->pdcch_ConfigSIB1);
 		printf("cell barred:                   %d\n", (int)mac->mib->cellBarred);
-		printf("intra frequcney reselection:   %d\n", (int)mac->mib->intraFreqReselection);
+		printf("intra frequency reselection:   %d\n", (int)mac->mib->intraFreqReselection);
 		printf("half frame bit(extra bits):    %d\n", (int)half_frame_bit);
 		printf("ssb index(extra bits):         %d\n", (int)ssb_index);
 #endif
@@ -254,7 +256,6 @@ int8_t nr_ue_decode_mib(
         }else{  //NR_MIB__subCarrierSpacingCommon_scs30or120
             scs_pdcch = scs_30kHz;
         }
-        scs_pdcch = 2;
 
 	    channel_bandwidth_t min_channel_bw = bw_40MHz;  //  deafult for testing
 	    

openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h

@@ -167,4 +167,8 @@ typedef struct gNB_MAC_INST_s {
   time_stats_t schedule_pch;
 } gNB_MAC_INST;
 
+void nr_schedule_css_dlsch_phytest(module_id_t   module_idP,
+                                   frame_t       frameP,
+                                   sub_frame_t   subframeP);
+
 #endif /*__LAYER2_NR_MAC_GNB_H__ */

targets/RT/USER/nr-softmodem.c

@@ -191,7 +191,7 @@ int                             otg_enabled;
 
 
 //static NR_DL_FRAME_PARMS      *frame_parms[MAX_NUM_CCs];
-static nfapi_nr_config_request_t *config[MAX_NUM_CCs];
+//static nfapi_nr_config_request_t *config[MAX_NUM_CCs];
 uint32_t target_dl_mcs = 28; //maximum allowed mcs
 uint32_t target_ul_mcs = 20;
 uint32_t timing_advance = 0;