diff --git a/lib/include/srslte/interfaces/ue_interfaces.h b/lib/include/srslte/interfaces/ue_interfaces.h
index f4e26ea4b..42f5f8b78 100644
--- a/lib/include/srslte/interfaces/ue_interfaces.h
+++ b/lib/include/srslte/interfaces/ue_interfaces.h
@@ -486,7 +486,9 @@ typedef struct {
   int worker_cpu_mask   = -1;
   int sync_cpu_affinity = -1;
 
-  uint32_t    nof_carriers                 = 1;
+  uint32_t    nof_lte_carriers             = 1;
+  uint32_t    nof_nr_carriers              = 0;
+  uint32_t    nr_nof_prb                   = 50;
   uint32_t    nof_rx_ant                   = 1;
   std::string equalizer_mode               = "mmse";
   int         cqi_max                      = 15;
diff --git a/lib/include/srslte/phy/common/phy_common_nr.h b/lib/include/srslte/phy/common/phy_common_nr.h
index 813db9b12..e07983a95 100644
--- a/lib/include/srslte/phy/common/phy_common_nr.h
+++ b/lib/include/srslte/phy/common/phy_common_nr.h
@@ -272,6 +272,13 @@ SRSLTE_API uint32_t srslte_coreset_get_bw(const srslte_coreset_t* coreset);
  */
 SRSLTE_API uint32_t srslte_coreset_get_sz(const srslte_coreset_t* coreset);
 
+/**
+ * @brief Get the NR PDSCH mapping type in string
+ * @param mapping_type Mapping type
+ * @return Constant string with PDSCH mapping type
+ */
+SRSLTE_API const char* srslte_pdsch_mapping_type_to_str(srslte_pdsch_mapping_type_t mapping_type);
+
 /**
  * @brief Get the MCS table string
  * @param mcs_table MCS table value
diff --git a/lib/include/srslte/phy/phch/pdsch_nr.h b/lib/include/srslte/phy/phch/pdsch_nr.h
index f1f3494a3..9a5110f30 100644
--- a/lib/include/srslte/phy/phch/pdsch_nr.h
+++ b/lib/include/srslte/phy/phch/pdsch_nr.h
@@ -34,6 +34,7 @@
 typedef struct SRSLTE_API {
   srslte_sch_nr_args_t sch;
   bool                 measure_evm;
+  bool                 measure_time;
 } srslte_pdsch_args_t;
 
 /**
@@ -50,6 +51,8 @@ typedef struct SRSLTE_API {
   cf_t*                x[SRSLTE_MAX_LAYERS_NR];         ///< PDSCH modulated bits
   srslte_modem_table_t modem_tables[SRSLTE_MOD_NITEMS]; ///< Modulator tables
   srslte_evm_buffer_t* evm_buffer;
+  bool                 meas_time_en;
+  uint32_t             meas_time_us;
 } srslte_pdsch_nr_t;
 
 /**
@@ -82,16 +85,17 @@ SRSLTE_API int srslte_pdsch_nr_decode(srslte_pdsch_nr_t*             q,
                                       cf_t*                          sf_symbols[SRSLTE_MAX_PORTS],
                                       srslte_pdsch_res_nr_t          data[SRSLTE_MAX_TB]);
 
-SRSLTE_API uint32_t srslte_pdsch_nr_grant_rx_info(srslte_pdsch_grant_nr_t* grant,
-                                                  srslte_pdsch_res_nr_t    res[SRSLTE_MAX_CODEWORDS],
-                                                  char*                    str,
-                                                  uint32_t                 str_len);
-
-SRSLTE_API uint32_t srslte_pdsch_nr_rx_info(srslte_pdsch_cfg_nr_t* cfg,
-                                            srslte_pdsch_res_nr_t  res[SRSLTE_MAX_CODEWORDS],
-                                            char*                  str,
-                                            uint32_t               str_len);
-
-SRSLTE_API uint32_t srslte_pdsch_nr_tx_info(srslte_pdsch_cfg_nr_t* cfg, char* str, uint32_t str_len);
+SRSLTE_API uint32_t srslte_pdsch_nr_rx_info(const srslte_pdsch_nr_t*       q,
+                                            const srslte_pdsch_cfg_nr_t*   cfg,
+                                            const srslte_pdsch_grant_nr_t* grant,
+                                            const srslte_pdsch_res_nr_t*   res,
+                                            char*                          str,
+                                            uint32_t                       str_len);
+
+SRSLTE_API uint32_t srslte_pdsch_nr_tx_info(const srslte_pdsch_nr_t*       q,
+                                            const srslte_pdsch_cfg_nr_t*   cfg,
+                                            const srslte_pdsch_grant_nr_t* grant,
+                                            char*                          str,
+                                            uint32_t                       str_len);
 
 #endif // srslte_pdsch_nr_H
diff --git a/lib/include/srslte/phy/phch/sch_nr.h b/lib/include/srslte/phy/phch/sch_nr.h
index 863d255ee..3574b2e10 100644
--- a/lib/include/srslte/phy/phch/sch_nr.h
+++ b/lib/include/srslte/phy/phch/sch_nr.h
@@ -138,4 +138,6 @@ SRSLTE_API int srslte_dlsch_nr_decode(srslte_sch_nr_t*        q,
                                       uint8_t*                data,
                                       bool*                   crc_ok);
 
+SRSLTE_API int srslte_sch_nr_tb_info(const srslte_sch_tb_t* tb, char* str, uint32_t str_len);
+
 #endif // SRSLTE_SCH_NR_H
\ No newline at end of file
diff --git a/lib/include/srslte/phy/ue/ue_dl_nr.h b/lib/include/srslte/phy/ue/ue_dl_nr.h
index a887372cf..de8df64b7 100644
--- a/lib/include/srslte/phy/ue/ue_dl_nr.h
+++ b/lib/include/srslte/phy/ue/ue_dl_nr.h
@@ -24,6 +24,7 @@ extern "C" {
 typedef struct SRSLTE_API {
   srslte_pdsch_args_t pdsch;
   uint32_t            nof_rx_antennas;
+  uint32_t            nof_max_prb;
 } srslte_ue_dl_nr_args_t;
 
 typedef struct SRSLTE_API {
@@ -53,6 +54,14 @@ SRSLTE_API int srslte_ue_dl_nr_pdsch_get(srslte_ue_dl_nr_t*             q,
                                          const srslte_pdsch_cfg_nr_t*   cfg,
                                          const srslte_pdsch_grant_nr_t* grant,
                                          srslte_pdsch_res_nr_t*         res);
+
+SRSLTE_API int srslte_ue_dl_nr_pdsch_info(const srslte_ue_dl_nr_t*       q,
+                                          const srslte_pdsch_cfg_nr_t*   cfg,
+                                          const srslte_pdsch_grant_nr_t* grant,
+                                          const srslte_pdsch_res_nr_t    res[SRSLTE_MAX_CODEWORDS],
+                                          char*                          str,
+                                          uint32_t                       str_len);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/src/phy/ch_estimation/dmrs_pdsch.c b/lib/src/phy/ch_estimation/dmrs_pdsch.c
index 0c2ff10d5..979f0f957 100644
--- a/lib/src/phy/ch_estimation/dmrs_pdsch.c
+++ b/lib/src/phy/ch_estimation/dmrs_pdsch.c
@@ -424,6 +424,7 @@ int srslte_dmrs_pdsch_get_N_prb(const srslte_pdsch_cfg_nr_t* cfg, const srslte_p
   uint32_t symbols[SRSLTE_DMRS_PDSCH_MAX_SYMBOLS] = {};
   int      ret                                    = srslte_dmrs_pdsch_get_symbols_idx(cfg, grant, symbols);
   if (ret < SRSLTE_SUCCESS) {
+    ERROR("Error getting PDSCH DMRS symbol indexes\n");
     return SRSLTE_ERROR;
   }
 
@@ -667,7 +668,8 @@ int srslte_dmrs_pdsch_estimate(srslte_dmrs_pdsch_t*           q,
   // Get symbols indexes
   uint32_t symbols[SRSLTE_DMRS_PDSCH_MAX_SYMBOLS] = {};
   int      nof_symbols                            = srslte_dmrs_pdsch_get_symbols_idx(pdsch_cfg, grant, symbols);
-  if (nof_symbols < SRSLTE_SUCCESS) {
+  if (nof_symbols <= SRSLTE_SUCCESS) {
+    ERROR("Error getting symbol indexes\n");
     return SRSLTE_ERROR;
   }
 
@@ -681,6 +683,11 @@ int srslte_dmrs_pdsch_estimate(srslte_dmrs_pdsch_t*           q,
 
     nof_pilots_x_symbol = srslte_dmrs_pdsch_get_symbol(
         q, pdsch_cfg, grant, cinit, delta, &sf_symbols[symbol_sz * l], &q->pilot_estimates[nof_pilots_x_symbol * i]);
+
+    if (nof_pilots_x_symbol == 0) {
+      ERROR("Error, no pilots extracted (i=%d, l=%d)\n", i, l);
+      return SRSLTE_ERROR;
+    }
   }
 
   // Perform measurements here
@@ -700,14 +707,20 @@ int srslte_dmrs_pdsch_estimate(srslte_dmrs_pdsch_t*           q,
       (dmrs_cfg->type == srslte_dmrs_pdsch_type_1) ? nof_pilots_x_symbol * 2 : nof_pilots_x_symbol * 3;
   if (dmrs_cfg->type == srslte_dmrs_pdsch_type_1) {
     // Prepare interpolator
-    srslte_interp_linear_resize(&q->interpolator_type1, nof_pilots_x_symbol, 2);
+    if (srslte_interp_linear_resize(&q->interpolator_type1, nof_pilots_x_symbol, 2) < SRSLTE_SUCCESS) {
+      ERROR("Resizing interpolator nof_pilots_x_symbol=%d; M=%d;\n", nof_pilots_x_symbol, 2);
+      return SRSLTE_ERROR;
+    }
 
     // Interpolate
     srslte_interp_linear_offset(&q->interpolator_type1, q->pilot_estimates, ce, delta, 2 - delta);
 
   } else {
     // Prepare interpolator
-    srslte_interp_linear_resize(&q->interpolator_type2, nof_pilots_x_symbol, 3);
+    if (srslte_interp_linear_resize(&q->interpolator_type2, nof_pilots_x_symbol, 3) < SRSLTE_SUCCESS) {
+      ERROR("Resizing interpolator nof_pilots_x_symbol=%d; M=%d;\n", nof_pilots_x_symbol, 3);
+      return SRSLTE_ERROR;
+    }
 
     // Interpolate
     srslte_interp_linear_offset(&q->interpolator_type2, q->pilot_estimates, ce, delta, 3 - delta);
diff --git a/lib/src/phy/common/phy_common_nr.c b/lib/src/phy/common/phy_common_nr.c
index 8ddf8b12c..86e5b2c41 100644
--- a/lib/src/phy/common/phy_common_nr.c
+++ b/lib/src/phy/common/phy_common_nr.c
@@ -35,10 +35,21 @@ uint32_t srslte_coreset_get_sz(const srslte_coreset_t* coreset)
   return srslte_coreset_get_bw(coreset) * SRSLTE_NRE * coreset->duration;
 }
 
+const char* srslte_pdsch_mapping_type_to_str(srslte_pdsch_mapping_type_t mapping_type)
+{
+  switch (mapping_type) {
+    case srslte_pdsch_mapping_type_A:
+      return "A";
+    case srslte_pdsch_mapping_type_B:
+      return "B";
+    default:
+      return "undefined";
+  }
+}
+
 const char* srslte_mcs_table_to_str(srslte_mcs_table_t mcs_table)
 {
   switch (mcs_table) {
-
     case srslte_mcs_table_64qam:
       return "64qam";
     case srslte_mcs_table_256qam:
diff --git a/lib/src/phy/phch/pdsch_nr.c b/lib/src/phy/phch/pdsch_nr.c
index f60769311..566a01ba2 100644
--- a/lib/src/phy/phch/pdsch_nr.c
+++ b/lib/src/phy/phch/pdsch_nr.c
@@ -69,6 +69,8 @@ int srslte_pdsch_nr_init_ue(srslte_pdsch_nr_t* q, const srslte_pdsch_args_t* arg
     }
   }
 
+  q->meas_time_en = args->measure_time;
+
   return SRSLTE_SUCCESS;
 }
 
@@ -427,13 +429,17 @@ int srslte_pdsch_nr_encode(srslte_pdsch_nr_t*             q,
                            uint8_t*                       data[SRSLTE_MAX_TB],
                            cf_t*                          sf_symbols[SRSLTE_MAX_PORTS])
 {
-  uint32_t nof_cw = 0;
 
   // Check input pointers
   if (!q || !cfg || !grant || !data || !sf_symbols) {
     return SRSLTE_ERROR_INVALID_INPUTS;
   }
 
+  struct timeval t[3];
+  if (q->meas_time_en) {
+    gettimeofday(&t[1], NULL);
+  }
+
   // Check number of layers
   if (q->max_layers < grant->nof_layers) {
     ERROR("Error number of layers (%d) exceeds configured maximum (%d)\n", grant->nof_layers, q->max_layers);
@@ -441,6 +447,7 @@ int srslte_pdsch_nr_encode(srslte_pdsch_nr_t*             q,
   }
 
   // 7.3.1.1 and 7.3.1.2
+  uint32_t nof_cw = 0;
   for (uint32_t tb = 0; tb < SRSLTE_MAX_TB; tb++) {
     nof_cw += grant->tb[tb].enabled ? 1 : 0;
 
@@ -466,6 +473,12 @@ int srslte_pdsch_nr_encode(srslte_pdsch_nr_t*             q,
   // 7.3.1.6 Mapping from virtual to physical resource blocks
   srslte_pdsch_nr_put(q, cfg, grant, x[0], sf_symbols[0]);
 
+  if (q->meas_time_en) {
+    gettimeofday(&t[2], NULL);
+    get_time_interval(t);
+    q->meas_time_us = (uint32_t)t[0].tv_usec;
+  }
+
   return SRSLTE_SUCCESS;
 }
 
@@ -542,6 +555,16 @@ int srslte_pdsch_nr_decode(srslte_pdsch_nr_t*             q,
                            cf_t*                          sf_symbols[SRSLTE_MAX_PORTS],
                            srslte_pdsch_res_nr_t          data[SRSLTE_MAX_TB])
 {
+  // Check input pointers
+  if (!q || !cfg || !grant || !data || !sf_symbols) {
+    return SRSLTE_ERROR_INVALID_INPUTS;
+  }
+
+  struct timeval t[3];
+  if (q->meas_time_en) {
+    gettimeofday(&t[1], NULL);
+  }
+
   uint32_t nof_cw = 0;
   for (uint32_t tb = 0; tb < SRSLTE_MAX_TB; tb++) {
     nof_cw += grant->tb[tb].enabled ? 1 : 0;
@@ -591,5 +614,113 @@ int srslte_pdsch_nr_decode(srslte_pdsch_nr_t*             q,
     }
   }
 
+  if (q->meas_time_en) {
+    gettimeofday(&t[2], NULL);
+    get_time_interval(t);
+    q->meas_time_us = (uint32_t)t[0].tv_usec;
+  }
+
   return SRSLTE_SUCCESS;
 }
+
+static uint32_t srslte_pdsch_nr_grant_info(const srslte_pdsch_cfg_nr_t*   cfg,
+                                           const srslte_pdsch_grant_nr_t* grant,
+                                           char*                          str,
+                                           uint32_t                       str_len)
+{
+  uint32_t len = 0;
+  len          = srslte_print_check(str, str_len, len, "rnti=0x%x", grant->rnti);
+
+  // Append time-domain resource mapping
+  len = srslte_print_check(str,
+                           str_len,
+                           len,
+                           ",k0=%d,S=%d,L=%d,mapping=%s",
+                           grant->k0,
+                           grant->S,
+                           grant->L,
+                           srslte_pdsch_mapping_type_to_str(grant->mapping));
+
+  // Skip frequency domain resources...
+  // ...
+
+  // Append spatial resources
+  len = srslte_print_check(str, str_len, len, ",Nl=%d", grant->nof_layers);
+
+  // Append scrambling ID
+  len = srslte_print_check(str, str_len, len, ",n_scid=%d", grant->n_scid);
+
+  // Append TB info
+  for (uint32_t i = 0; i < SRSLTE_MAX_TB; i++) {
+    len += srslte_sch_nr_tb_info(&grant->tb[i], &str[len], str_len - len);
+  }
+
+  return len;
+}
+
+uint32_t srslte_pdsch_nr_rx_info(const srslte_pdsch_nr_t*       q,
+                                 const srslte_pdsch_cfg_nr_t*   cfg,
+                                 const srslte_pdsch_grant_nr_t* grant,
+                                 const srslte_pdsch_res_nr_t    res[SRSLTE_MAX_CODEWORDS],
+                                 char*                          str,
+                                 uint32_t                       str_len)
+{
+
+  uint32_t len = 0;
+
+  len += srslte_pdsch_nr_grant_info(cfg, grant, &str[len], str_len - len);
+
+  if (q->evm_buffer != NULL) {
+    len = srslte_print_check(str, str_len, len, ",evm={", 0);
+    for (uint32_t i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
+      if (grant->tb[i].enabled && !isnan(res[i].evm)) {
+        len = srslte_print_check(str, str_len, len, "%.2f", res[i].evm);
+        if (i < SRSLTE_MAX_CODEWORDS - 1) {
+          if (grant->tb[i + 1].enabled) {
+            len = srslte_print_check(str, str_len, len, ",", 0);
+          }
+        }
+      }
+    }
+    len = srslte_print_check(str, str_len, len, "}", 0);
+  }
+
+  if (res != NULL) {
+    len = srslte_print_check(str, str_len, len, ",crc={", 0);
+    for (uint32_t i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
+      if (grant->tb[i].enabled) {
+        len = srslte_print_check(str, str_len, len, "%s", res[i].crc ? "OK" : "KO");
+        if (i < SRSLTE_MAX_CODEWORDS - 1) {
+          if (grant->tb[i + 1].enabled) {
+            len = srslte_print_check(str, str_len, len, ",", 0);
+          }
+        }
+      }
+    }
+    len = srslte_print_check(str, str_len, len, "}", 0);
+  }
+
+  if (q->meas_time_en) {
+    len = srslte_print_check(str, str_len, len, ", t=%d us\n", q->meas_time_us);
+  }
+
+  return len;
+}
+
+uint32_t srslte_pdsch_nr_tx_info(const srslte_pdsch_nr_t*       q,
+                                 const srslte_pdsch_cfg_nr_t*   cfg,
+                                 const srslte_pdsch_grant_nr_t* grant,
+                                 char*                          str,
+                                 uint32_t                       str_len)
+{
+
+  uint32_t len = 0;
+
+  len += srslte_pdsch_nr_grant_info(cfg, grant, &str[len], str_len - len);
+
+  if (q->meas_time_en) {
+    len = srslte_print_check(str, str_len, len, ", t=%d us\n", q->meas_time_us);
+  }
+
+  return len;
+}
diff --git a/lib/src/phy/phch/ra_nr.c b/lib/src/phy/phch/ra_nr.c
index 79a93a615..615001818 100644
--- a/lib/src/phy/phch/ra_nr.c
+++ b/lib/src/phy/phch/ra_nr.c
@@ -208,6 +208,7 @@ int srslte_ra_dl_nr_slot_nof_re(const srslte_pdsch_cfg_nr_t* pdsch_cfg, const sr
   // the number of REs for DM-RS per PRB in the scheduled duration
   int n_prb_dmrs = srslte_dmrs_pdsch_get_N_prb(pdsch_cfg, grant);
   if (n_prb_dmrs < SRSLTE_SUCCESS) {
+    ERROR("Invalid number of DMRS RE\n");
     return SRSLTE_ERROR;
   }
 
@@ -358,7 +359,8 @@ int srslte_ra_nr_fill_tb(const srslte_pdsch_cfg_nr_t*   pdsch_cfg,
 
   // 1) The UE shall first determine the number of REs (N RE ) within the slot.
   int N_re = srslte_ra_dl_nr_slot_nof_re(pdsch_cfg, grant);
-  if (N_re < SRSLTE_SUCCESS) {
+  if (N_re <= SRSLTE_SUCCESS) {
+    ERROR("Invalid number of RE\n");
     return SRSLTE_ERROR;
   }
 
diff --git a/lib/src/phy/phch/sch_nr.c b/lib/src/phy/phch/sch_nr.c
index f3d7a5945..d89850698 100644
--- a/lib/src/phy/phch/sch_nr.c
+++ b/lib/src/phy/phch/sch_nr.c
@@ -639,3 +639,25 @@ int srslte_dlsch_nr_decode(srslte_sch_nr_t*        q,
 
   return SRSLTE_SUCCESS;
 }
+
+int srslte_sch_nr_tb_info(const srslte_sch_tb_t* tb, char* str, uint32_t str_len)
+{
+  int len = 0;
+
+  if (tb->enabled) {
+    len += srslte_print_check(str,
+                              str_len,
+                              len,
+                              "tb={mod=%s,Nl=%d,TBS=%d,R=%.3f,rv=%d,Nre=%d,Nbit=%d,cw=%d}",
+                              srslte_mod_string(tb->mod),
+                              tb->N_L,
+                              tb->tbs,
+                              tb->R,
+                              tb->rv,
+                              tb->nof_re,
+                              tb->nof_bits,
+                              tb->cw_idx);
+  }
+
+  return len;
+}
\ No newline at end of file
diff --git a/lib/src/phy/ue/ue_dl_nr.c b/lib/src/phy/ue/ue_dl_nr.c
index 7965a69c8..25b0f9112 100644
--- a/lib/src/phy/ue/ue_dl_nr.c
+++ b/lib/src/phy/ue/ue_dl_nr.c
@@ -55,14 +55,14 @@ int srslte_ue_dl_nr_init(srslte_ue_dl_nr_t* q, cf_t* input[SRSLTE_MAX_PORTS], co
     return SRSLTE_ERROR;
   }
 
-  if (ue_dl_alloc_prb(q, SRSLTE_MAX_PRB_NR)) {
+  if (ue_dl_alloc_prb(q, args->nof_max_prb)) {
     ERROR("Error allocating\n");
     return SRSLTE_ERROR;
   }
 
   srslte_ofdm_cfg_t fft_cfg = {};
-  fft_cfg.nof_prb           = 100;
-  fft_cfg.symbol_sz         = srslte_symbol_sz(100);
+  fft_cfg.nof_prb           = args->nof_max_prb;
+  fft_cfg.symbol_sz         = srslte_symbol_sz(args->nof_max_prb);
   fft_cfg.keep_dc           = true;
 
   for (uint32_t i = 0; i < q->nof_rx_antennas; i++) {
@@ -153,5 +153,29 @@ int srslte_ue_dl_nr_pdsch_get(srslte_ue_dl_nr_t*             q,
     return SRSLTE_ERROR;
   }
 
+  if (SRSLTE_DEBUG_ENABLED && srslte_verbose >= SRSLTE_VERBOSE_INFO && !handler_registered) {
+    char str[512];
+    srslte_ue_dl_nr_pdsch_info(q, cfg, grant, res, str, sizeof(str));
+    INFO("PDSCH: %s\n", str);
+  }
+
   return SRSLTE_SUCCESS;
 }
+
+int srslte_ue_dl_nr_pdsch_info(const srslte_ue_dl_nr_t*       q,
+                               const srslte_pdsch_cfg_nr_t*   cfg,
+                               const srslte_pdsch_grant_nr_t* grant,
+                               const srslte_pdsch_res_nr_t*   res,
+                               char*                          str,
+                               uint32_t                       str_len)
+{
+  int len = 0;
+
+  // Append channel estimator info
+  // ...
+
+  // Append PDSCH info
+  len += srslte_pdsch_nr_rx_info(&q->pdsch, cfg, grant, res, &str[len], str_len - len);
+
+  return len;
+}
\ No newline at end of file
diff --git a/lib/test/phy/phy_dl_nr_test.c b/lib/test/phy/phy_dl_nr_test.c
index f36dff7fb..2a6f1501e 100644
--- a/lib/test/phy/phy_dl_nr_test.c
+++ b/lib/test/phy/phy_dl_nr_test.c
@@ -94,8 +94,10 @@ int main(int argc, char** argv)
 
   srslte_ue_dl_nr_args_t ue_dl_args = {};
   ue_dl_args.nof_rx_antennas        = 1;
+  ue_dl_args.nof_max_prb            = carrier.nof_prb;
   ue_dl_args.pdsch.sch.disable_simd = true;
   ue_dl_args.pdsch.measure_evm      = true;
+  ue_dl_args.pdsch.measure_time     = true;
 
   srslte_enb_dl_nr_args_t enb_dl_args = {};
   enb_dl_args.nof_tx_antennas         = 1;
@@ -108,10 +110,6 @@ int main(int argc, char** argv)
     goto clean_exit;
   }
 
-  srslte_pdsch_args_t pdsch_args = {};
-  pdsch_args.sch.disable_simd    = true;
-  pdsch_args.measure_evm         = true;
-
   if (srslte_ue_dl_nr_init(&ue_dl, &buffer, &ue_dl_args)) {
     ERROR("Error UE DL\n");
     goto clean_exit;
diff --git a/srsue/hdr/phy/nr/cc_worker.h b/srsue/hdr/phy/nr/cc_worker.h
index 29a863a0f..bff0e0d13 100644
--- a/srsue/hdr/phy/nr/cc_worker.h
+++ b/srsue/hdr/phy/nr/cc_worker.h
@@ -33,7 +33,6 @@ namespace nr {
 
 typedef struct {
   uint32_t               nof_carriers;
-  uint32_t               max_prb;
   srslte_ue_dl_nr_args_t dl;
 } phy_nr_args_t;
 
@@ -50,9 +49,10 @@ public:
   phy_nr_state()
   {
     args.nof_carriers              = 1;
-    args.max_prb                   = SRSLTE_MAX_PRB;
     args.dl.nof_rx_antennas        = 1;
+    args.dl.nof_max_prb            = 100;
     args.dl.pdsch.measure_evm      = true;
+    args.dl.pdsch.measure_time     = true;
     args.dl.pdsch.sch.disable_simd = true;
   }
 };
@@ -72,12 +72,13 @@ public:
   bool work_dl();
 
 private:
-  srslte_dl_slot_cfg_t                            dl_slot_cfg = {};
-  uint32_t                                        cc_idx      = 0;
-  std::array<std::vector<cf_t>, SRSLTE_MAX_PORTS> rx_buffer   = {};
-  std::array<std::vector<cf_t>, SRSLTE_MAX_PORTS> tx_buffer   = {};
-  phy_nr_state*                                   phy_state;
-  srslte_ue_dl_nr_t                               ue_dl = {};
+  srslte_dl_slot_cfg_t                dl_slot_cfg = {};
+  uint32_t                            cc_idx      = 0;
+  std::array<cf_t*, SRSLTE_MAX_PORTS> rx_buffer   = {};
+  std::array<cf_t*, SRSLTE_MAX_PORTS> tx_buffer   = {};
+  phy_nr_state*                       phy_state   = nullptr;
+  srslte_ue_dl_nr_t                   ue_dl       = {};
+  srslte::log*                        log_h       = nullptr;
 
   // Temporal attributes
   srslte_softbuffer_rx_t softbuffer_rx = {};
diff --git a/srsue/hdr/phy/phy.h b/srsue/hdr/phy/phy.h
index 60fdbf0a6..e386e4a7a 100644
--- a/srsue/hdr/phy/phy.h
+++ b/srsue/hdr/phy/phy.h
@@ -25,6 +25,7 @@
 #include "srslte/radio/radio.h"
 #include "srslte/srslte.h"
 #include "srsue/hdr/phy/lte/worker_pool.h"
+#include "srsue/hdr/phy/nr/worker_pool.h"
 #include "srsue/hdr/phy/ue_lte_phy_base.h"
 #include "sync.h"
 
@@ -66,7 +67,8 @@ private:
 class phy final : public ue_lte_phy_base, public srslte::thread
 {
 public:
-  explicit phy(srslte::logger* logger_) : logger(logger_), lte_workers(MAX_WORKERS), common(), thread("PHY"){};
+  explicit phy(srslte::logger* logger_) :
+    logger(logger_), lte_workers(MAX_WORKERS), nr_workers(MAX_WORKERS), common(), thread("PHY"){};
   ~phy() final { stop(); }
 
   // Init defined in base class
@@ -177,6 +179,7 @@ private:
   srsue::stack_interface_phy_lte*     stack         = nullptr;
 
   lte::worker_pool lte_workers;
+  nr::worker_pool  nr_workers;
   phy_common       common;
   sync             sfsync;
   prach            prach_buffer;
diff --git a/srsue/hdr/phy/sync.h b/srsue/hdr/phy/sync.h
index 8cf5c8320..ed27bab4f 100644
--- a/srsue/hdr/phy/sync.h
+++ b/srsue/hdr/phy/sync.h
@@ -33,6 +33,7 @@
 #include "srslte/phy/channel/channel.h"
 #include "srslte/srslte.h"
 #include "srsue/hdr/phy/lte/worker_pool.h"
+#include "srsue/hdr/phy/nr/worker_pool.h"
 #include "sync_state.h"
 
 namespace srsue {
@@ -52,7 +53,8 @@ public:
   void init(srslte::radio_interface_phy* radio_,
             stack_interface_phy_lte*     _stack,
             prach*                       prach_buffer,
-            lte::worker_pool*            _workers_pool,
+            lte::worker_pool*            _lte_workers_pool,
+            nr::worker_pool*             _nr_workers_pool,
             phy_common*                  _worker_com,
             srslte::log*                 _log_h,
             srslte::log*                 _log_phy_lib_h,
@@ -161,10 +163,12 @@ private:
 
   /**
    * Helper method, executed when the UE is camping and in-sync
-   * @param worker Selected worker for the current TTI
+   * @param lte_worker Selected LTE worker for the current TTI
+   * @param nr_worker Selected NR worker for the current TTI
    * @param sync_buffer Sub-frame buffer for the current TTI
    */
-  void run_camping_in_sync_state(lte::sf_worker* worker, srslte::rf_buffer_t& sync_buffer);
+  void
+  run_camping_in_sync_state(lte::sf_worker* lte_worker, nr::sf_worker* nr_worker, srslte::rf_buffer_t& sync_buffer);
 
   /**
    * Helper method, executed in a TTI basis for signaling to the stack a new TTI execution
@@ -197,7 +201,8 @@ private:
   stack_interface_phy_lte*     stack            = nullptr;
   srslte::log*                 log_h            = nullptr;
   srslte::log*                 log_phy_lib_h    = nullptr;
-  lte::worker_pool*            workers_pool     = nullptr;
+  lte::worker_pool*            lte_worker_pool  = nullptr;
+  nr::worker_pool*             nr_worker_pool   = nullptr;
   srslte::radio_interface_phy* radio_h          = nullptr;
   phy_common*                  worker_com       = nullptr;
   prach*                       prach_buffer     = nullptr;
diff --git a/srsue/src/main.cc b/srsue/src/main.cc
index 261d4310f..12da698d0 100644
--- a/srsue/src/main.cc
+++ b/srsue/src/main.cc
@@ -426,6 +426,8 @@ static int parse_args(all_args_t* args, int argc, char* argv[])
     ("vnf.type", bpo::value<string>(&args->phy.vnf_args.type)->default_value("ue"), "VNF instance type [gnb,ue]")
     ("vnf.addr", bpo::value<string>(&args->phy.vnf_args.bind_addr)->default_value("localhost"), "Address to bind VNF interface")
     ("vnf.port", bpo::value<uint16_t>(&args->phy.vnf_args.bind_port)->default_value(3334), "Bind port")
+    ("nr.nof_carriers", bpo::value<uint32_t>(&args->phy.nof_nr_carriers)->default_value(1), "Number of NR carriers")
+    ("nr.nof_prb", bpo::value<uint32_t>(&args->phy.nr_nof_prb)->default_value(50), "NR carrier bandwidth")
     ;
 
   // Positional options - config file location
diff --git a/srsue/src/phy/lte/cc_worker.cc b/srsue/src/phy/lte/cc_worker.cc
index 04ac1e212..9b9f8aa6d 100644
--- a/srsue/src/phy/lte/cc_worker.cc
+++ b/srsue/src/phy/lte/cc_worker.cc
@@ -839,7 +839,7 @@ void cc_worker::set_uci_ack(srslte_uci_data_t* uci_data,
   uint32_t           nof_configured_carriers = 0;
 
   // Only PCell generates ACK for all SCell
-  for (uint32_t i = 0; i < phy->args->nof_carriers; i++) {
+  for (uint32_t i = 0; i < phy->args->nof_lte_carriers; i++) {
     if (phy->cell_state.is_configured(i)) {
       phy->get_dl_pending_ack(&sf_cfg_ul, i, &ack_info.cc[i]);
       nof_configured_carriers++;
diff --git a/srsue/src/phy/lte/sf_worker.cc b/srsue/src/phy/lte/sf_worker.cc
index 4b788ad1f..4ac2bd2e2 100644
--- a/srsue/src/phy/lte/sf_worker.cc
+++ b/srsue/src/phy/lte/sf_worker.cc
@@ -53,14 +53,14 @@ sf_worker::sf_worker(uint32_t max_prb, phy_common* phy_, srslte::log* log_h_)
   log_h = log_h_;
 
   // ue_sync in phy.cc requires a buffer for 3 subframes
-  for (uint32_t r = 0; r < phy->args->nof_carriers; r++) {
+  for (uint32_t r = 0; r < phy->args->nof_lte_carriers; r++) {
     cc_workers.push_back(new cc_worker(r, max_prb, phy, log_h));
   }
 }
 
 sf_worker::~sf_worker()
 {
-  for (uint32_t r = 0; r < phy->args->nof_carriers; r++) {
+  for (uint32_t r = 0; r < phy->args->nof_lte_carriers; r++) {
     delete cc_workers[r];
   }
 }
@@ -214,8 +214,8 @@ void sf_worker::work_imp()
 
       // Fill periodic CQI data; In case of periodic CSI report collision, lower carrier index have preference, so
       // stop as soon as either CQI data is enabled or RI is carried
-      for (uint32_t carrier_idx = 0;
-           carrier_idx < phy->args->nof_carriers and not uci_data.cfg.cqi.data_enable and uci_data.cfg.cqi.ri_len == 0;
+      for (uint32_t carrier_idx = 0; carrier_idx < phy->args->nof_lte_carriers and not uci_data.cfg.cqi.data_enable and
+                                     uci_data.cfg.cqi.ri_len == 0;
            carrier_idx++) {
         if (phy->cell_state.is_active(carrier_idx, TTI_TX(tti))) {
           cc_workers[carrier_idx]->set_uci_periodic_cqi(&uci_data);
@@ -223,7 +223,7 @@ void sf_worker::work_imp()
       }
 
       // Loop through all carriers
-      for (uint32_t carrier_idx = 0; carrier_idx < phy->args->nof_carriers; carrier_idx++) {
+      for (uint32_t carrier_idx = 0; carrier_idx < phy->args->nof_lte_carriers; carrier_idx++) {
         if (phy->cell_state.is_active(carrier_idx, tti)) {
           tx_signal_ready |= cc_workers[carrier_idx]->work_ul(uci_cc_idx == carrier_idx ? &uci_data : nullptr);
 
diff --git a/srsue/src/phy/nr/cc_worker.cc b/srsue/src/phy/nr/cc_worker.cc
index e01a9769e..ff98b61ea 100644
--- a/srsue/src/phy/nr/cc_worker.cc
+++ b/srsue/src/phy/nr/cc_worker.cc
@@ -26,17 +26,19 @@
 namespace srsue {
 namespace nr {
 cc_worker::cc_worker(uint32_t cc_idx_, srslte::log* log, phy_nr_state* phy_state_) :
-  cc_idx(cc_idx_), phy_state(phy_state_)
+  cc_idx(cc_idx_), phy_state(phy_state_), log_h(log)
 {
   cf_t* buffer_c[SRSLTE_MAX_PORTS] = {};
 
   // Allocate buffers
-  for (uint32_t i = 0; phy_state_->args.dl.nof_rx_antennas; i++) {
-    rx_buffer[i].resize(SRSLTE_SF_LEN_PRB(phy_state->args.max_prb));
-    buffer_c[i] = rx_buffer[i].data();
+  uint32_t sf_len = SRSLTE_SF_LEN_PRB(phy_state->args.dl.nof_max_prb);
+  for (uint32_t i = 0; i < phy_state_->args.dl.nof_rx_antennas; i++) {
+    rx_buffer[i] = srslte_vec_cf_malloc(sf_len);
+    tx_buffer[i] = srslte_vec_cf_malloc(sf_len);
+    buffer_c[i]  = rx_buffer[i];
   }
 
-  if (srslte_ue_dl_nr_init(&ue_dl, buffer_c, &phy_state_->args.dl)) {
+  if (srslte_ue_dl_nr_init(&ue_dl, buffer_c, &phy_state_->args.dl) < SRSLTE_SUCCESS) {
     ERROR("Error initiating UE DL NR\n");
     return;
   }
@@ -46,18 +48,29 @@ cc_worker::cc_worker(uint32_t cc_idx_, srslte::log* log, phy_nr_state* phy_state
     ERROR("Error init soft-buffer\n");
     return;
   }
-  data.resize(SRSLTE_SCH_NR_MAX_NOF_CB_LDPC * SRSLTE_LDPC_MAX_LEN_ENCODED_CB);
+  data.resize(SRSLTE_SCH_NR_MAX_NOF_CB_LDPC * SRSLTE_LDPC_MAX_LEN_ENCODED_CB / 8);
 }
 
 cc_worker::~cc_worker()
 {
   srslte_ue_dl_nr_free(&ue_dl);
   srslte_softbuffer_rx_free(&softbuffer_rx);
+  for (cf_t* p : rx_buffer) {
+    if (p != nullptr) {
+      free(p);
+    }
+  }
+  for (cf_t* p : tx_buffer) {
+    if (p != nullptr) {
+      free(p);
+    }
+  }
 }
 
 bool cc_worker::set_carrier(const srslte_carrier_nr_t* carrier)
 {
   if (srslte_ue_dl_nr_set_carrier(&ue_dl, carrier) < SRSLTE_SUCCESS) {
+    ERROR("Error setting carrier\n");
     return false;
   }
 
@@ -75,7 +88,7 @@ cf_t* cc_worker::get_rx_buffer(uint32_t antenna_idx)
     return nullptr;
   }
 
-  return rx_buffer.at(antenna_idx).data();
+  return rx_buffer.at(antenna_idx);
 }
 
 uint32_t cc_worker::get_buffer_len()
@@ -85,9 +98,9 @@ uint32_t cc_worker::get_buffer_len()
 
 bool cc_worker::work_dl()
 {
-  srslte_pdsch_grant_nr_t pdsch_grant = {};
-  srslte_pdsch_cfg_nr_t   pdsch_cfg   = phy_state->cfg.pdsch;
-  srslte_pdsch_res_nr_t   pdsch_res   = {};
+  srslte_pdsch_grant_nr_t                                 pdsch_grant = {};
+  srslte_pdsch_cfg_nr_t                                   pdsch_cfg   = phy_state->cfg.pdsch;
+  std::array<srslte_pdsch_res_nr_t, SRSLTE_MAX_CODEWORDS> pdsch_res   = {};
 
   // Use grant default A time resources with m=0
   if (srslte_ue_dl_nr_pdsch_time_resource_default_A(0, pdsch_cfg.dmrs_cfg_typeA.typeA_pos, &pdsch_grant) <
@@ -97,27 +110,35 @@ bool cc_worker::work_dl()
   }
   pdsch_grant.nof_layers = ue_dl.carrier.max_mimo_layers;
   pdsch_grant.dci_format = srslte_dci_format_nr_1_0;
+  pdsch_grant.rnti       = 0x1234;
 
   for (uint32_t i = 0; i < ue_dl.carrier.nof_prb; i++) {
     pdsch_grant.prb_idx[i] = true;
   }
 
-  if (srslte_ra_nr_fill_tb(&pdsch_cfg, &pdsch_grant, 20, &pdsch_grant.tb[0]) < SRSLTE_SUCCESS) {
+  if (srslte_ra_nr_fill_tb(&pdsch_cfg, &pdsch_grant, 27, &pdsch_grant.tb[0]) < SRSLTE_SUCCESS) {
     ERROR("Error filing tb\n");
     return false;
   }
 
-  pdsch_res.payload               = data.data();
+  pdsch_res[0].payload            = data.data();
   pdsch_grant.tb[0].softbuffer.rx = &softbuffer_rx;
   srslte_softbuffer_rx_reset(pdsch_grant.tb[0].softbuffer.rx);
 
   srslte_ue_dl_nr_estimate_fft(&ue_dl);
 
-  if (srslte_ue_dl_nr_pdsch_get(&ue_dl, &dl_slot_cfg, &pdsch_cfg, &pdsch_grant, &pdsch_res) < SRSLTE_SUCCESS) {
+  if (srslte_ue_dl_nr_pdsch_get(&ue_dl, &dl_slot_cfg, &pdsch_cfg, &pdsch_grant, pdsch_res.data()) < SRSLTE_SUCCESS) {
     ERROR("Error decoding PDSCH\n");
     return false;
   }
 
+  // Logging
+  if (log_h->get_level() >= srslte::LOG_LEVEL_INFO) {
+    char str[512];
+    srslte_ue_dl_nr_pdsch_info(&ue_dl, &pdsch_cfg, &pdsch_grant, pdsch_res.data(), str, sizeof(str));
+    log_h->info("PDSCH: cc=%d, %s\n", cc_idx, str);
+  }
+
   return true;
 }
 
diff --git a/srsue/src/phy/nr/sf_worker.cc b/srsue/src/phy/nr/sf_worker.cc
index 7d3693003..d1eaf8498 100644
--- a/srsue/src/phy/nr/sf_worker.cc
+++ b/srsue/src/phy/nr/sf_worker.cc
@@ -69,5 +69,5 @@ void sf_worker::work_imp()
   }
 }
 
-}; // namespace nr
-}; // namespace srsue
\ No newline at end of file
+} // namespace nr
+} // namespace srsue
\ No newline at end of file
diff --git a/srsue/src/phy/nr/worker_pool.cc b/srsue/src/phy/nr/worker_pool.cc
index 9fcf7cc45..cf3e5a289 100644
--- a/srsue/src/phy/nr/worker_pool.cc
+++ b/srsue/src/phy/nr/worker_pool.cc
@@ -27,6 +27,15 @@ worker_pool::worker_pool(uint32_t max_workers) : pool(max_workers) {}
 
 bool worker_pool::init(phy_common* common, srslte::logger* logger, int prio)
 {
+  // Set NR arguments
+  phy_state.args.nof_carriers   = common->args->nof_nr_carriers;
+  phy_state.args.dl.nof_max_prb = common->args->nr_nof_prb;
+
+  // Skip init of workers if no NR carriers
+  if (phy_state.args.nof_carriers == 0) {
+    return true;
+  }
+
   // Create logs
   // Create array of pointers to phy_logs
   for (uint32_t i = 0; i < common->args->nof_phy_threads; i++) {
@@ -41,9 +50,17 @@ bool worker_pool::init(phy_common* common, srslte::logger* logger, int prio)
 
   // Add workers to workers pool and start threads
   for (uint32_t i = 0; i < common->args->nof_phy_threads; i++) {
-    auto w = std::unique_ptr<sf_worker>(new sf_worker(common, &phy_state, (srslte::log*)log_vec[i].get()));
-    pool.init_worker(i, w.get(), prio, common->args->worker_cpu_mask);
-    workers.push_back(std::move(w));
+    auto w = new sf_worker(common, &phy_state, (srslte::log*)log_vec[i].get());
+    pool.init_worker(i, w, prio, common->args->worker_cpu_mask);
+    workers.push_back(std::unique_ptr<sf_worker>(w));
+
+    srslte_carrier_nr_t c = {};
+    c.nof_prb             = phy_state.args.dl.nof_max_prb;
+    c.max_mimo_layers     = 1;
+
+    if (not w->set_carrier_unlocked(0, &c)) {
+      return false;
+    }
   }
 
   return true;
@@ -69,5 +86,5 @@ void worker_pool::stop()
   pool.stop();
 }
 
-}; // namespace nr
-}; // namespace srsue
\ No newline at end of file
+} // namespace nr
+} // namespace srsue
\ No newline at end of file
diff --git a/srsue/src/phy/phy.cc b/srsue/src/phy/phy.cc
index a491d0659..b14d1f994 100644
--- a/srsue/src/phy/phy.cc
+++ b/srsue/src/phy/phy.cc
@@ -157,12 +157,14 @@ void phy::run_thread()
 
   // Initialise workers
   lte_workers.init(&common, logger, WORKERS_THREAD_PRIO);
+  nr_workers.init(&common, logger, WORKERS_THREAD_PRIO);
 
   // Warning this must be initialized after all workers have been added to the pool
   sfsync.init(radio,
               stack,
               &prach_buffer,
               &lte_workers,
+              &nr_workers,
               &common,
               log_h.get(),
               log_phy_lib_h.get(),
@@ -198,6 +200,7 @@ void phy::stop()
   if (is_configured) {
     sfsync.stop();
     lte_workers.stop();
+    nr_workers.stop();
     prach_buffer.stop();
     wait_thread_finish();
 
@@ -213,7 +216,7 @@ void phy::get_metrics(phy_metrics_t* m)
   m->info[0].pci       = cell.id;
   m->info[0].dl_earfcn = dl_earfcn;
 
-  for (uint32_t i = 1; i < args.nof_carriers; i++) {
+  for (uint32_t i = 1; i < args.nof_lte_carriers; i++) {
     m->info[i].dl_earfcn = common.cell_state.get_earfcn(i);
     m->info[i].pci       = common.cell_state.get_pci(i);
   }
@@ -222,7 +225,7 @@ void phy::get_metrics(phy_metrics_t* m)
   common.get_dl_metrics(m->dl);
   common.get_ul_metrics(m->ul);
   common.get_sync_metrics(m->sync);
-  m->nof_active_cc = args.nof_carriers;
+  m->nof_active_cc = args.nof_lte_carriers;
 }
 
 void phy::set_timeadv_rar(uint32_t ta_cmd)
@@ -455,7 +458,7 @@ bool phy::set_config(srslte::phy_cfg_t config_, uint32_t cc_idx)
   }
 
   // Check parameters are valid
-  if (cc_idx >= args.nof_carriers) {
+  if (cc_idx >= args.nof_lte_carriers) {
     srslte::console("Received SCell configuration for index %d but there are not enough CC workers available\n",
                     cc_idx);
     return false;
@@ -510,7 +513,7 @@ bool phy::set_scell(srslte_cell_t cell_info, uint32_t cc_idx, uint32_t earfcn)
   }
 
   // Check parameters are valid
-  if (cc_idx >= args.nof_carriers) {
+  if (cc_idx >= args.nof_lte_carriers) {
     srslte::console("Received SCell configuration for index %d but there are not enough CC workers available\n",
                     cc_idx);
     return false;
diff --git a/srsue/src/phy/phy_common.cc b/srsue/src/phy/phy_common.cc
index ad46c9634..2582e7d3c 100644
--- a/srsue/src/phy/phy_common.cc
+++ b/srsue/src/phy/phy_common.cc
@@ -57,7 +57,8 @@ void phy_common::init(phy_args_t*                  _args,
 
   // Instantiate UL channel emulator
   if (args->ul_channel_args.enable) {
-    ul_channel = srslte::channel_ptr(new srslte::channel(args->ul_channel_args, args->nof_carriers * args->nof_rx_ant));
+    ul_channel =
+        srslte::channel_ptr(new srslte::channel(args->ul_channel_args, args->nof_lte_carriers * args->nof_rx_ant));
   }
 }
 
@@ -363,7 +364,7 @@ bool phy_common::get_ul_pending_grant(srslte_ul_sf_cfg_t* sf, uint32_t cc_idx, u
 uint32_t phy_common::get_ul_uci_cc(uint32_t tti_tx) const
 {
   std::lock_guard<std::mutex> lock(pending_ul_grant_mutex);
-  for (uint32_t cc = 0; cc < args->nof_carriers; cc++) {
+  for (uint32_t cc = 0; cc < args->nof_lte_carriers; cc++) {
     const pending_ul_grant_t& grant = pending_ul_grant[cc][tti_tx];
     if (grant.enable) {
       return cc;
@@ -789,7 +790,7 @@ void phy_common::get_dl_metrics(dl_metrics_t m[SRSLTE_MAX_CARRIERS])
 {
   std::unique_lock<std::mutex> lock(metrics_mutex);
 
-  for (uint32_t i = 0; i < args->nof_carriers; i++) {
+  for (uint32_t i = 0; i < args->nof_lte_carriers; i++) {
     m[i]                = dl_metrics[i];
     dl_metrics[i]       = {};
     dl_metrics_count[i] = 0;
@@ -816,7 +817,7 @@ void phy_common::get_ch_metrics(ch_metrics_t m[SRSLTE_MAX_CARRIERS])
 {
   std::unique_lock<std::mutex> lock(metrics_mutex);
 
-  for (uint32_t i = 0; i < args->nof_carriers; i++) {
+  for (uint32_t i = 0; i < args->nof_lte_carriers; i++) {
     m[i]                = ch_metrics[i];
     ch_metrics[i]       = {};
     ch_metrics_count[i] = 0;
@@ -836,7 +837,7 @@ void phy_common::get_ul_metrics(ul_metrics_t m[SRSLTE_MAX_CARRIERS])
 {
   std::unique_lock<std::mutex> lock(metrics_mutex);
 
-  for (uint32_t i = 0; i < args->nof_carriers; i++) {
+  for (uint32_t i = 0; i < args->nof_lte_carriers; i++) {
     m[i]                = ul_metrics[i];
     ul_metrics[i]       = {};
     ul_metrics_count[i] = 0;
@@ -857,7 +858,7 @@ void phy_common::get_sync_metrics(sync_metrics_t m[SRSLTE_MAX_CARRIERS])
 {
   std::unique_lock<std::mutex> lock(metrics_mutex);
 
-  for (uint32_t i = 0; i < args->nof_carriers; i++) {
+  for (uint32_t i = 0; i < args->nof_lte_carriers; i++) {
     m[i]                  = sync_metrics[i];
     sync_metrics[i]       = {};
     sync_metrics_count[i] = 0;
@@ -920,7 +921,7 @@ void phy_common::reset()
 
   // Release mapping of secondary cells
   if (args != nullptr && radio_h != nullptr) {
-    for (uint32_t i = 1; i < args->nof_carriers; i++) {
+    for (uint32_t i = 1; i < args->nof_lte_carriers; i++) {
       radio_h->release_freq(i);
     }
   }
diff --git a/srsue/src/phy/sync.cc b/srsue/src/phy/sync.cc
index d02e7e38f..86e99777b 100644
--- a/srsue/src/phy/sync.cc
+++ b/srsue/src/phy/sync.cc
@@ -48,22 +48,24 @@ static SRSLTE_AGC_CALLBACK(callback_set_rx_gain)
 void sync::init(srslte::radio_interface_phy* _radio,
                 stack_interface_phy_lte*     _stack,
                 prach*                       _prach_buffer,
-                lte::worker_pool*            _workers_pool,
+                lte::worker_pool*            _lte_workers_pool,
+                nr::worker_pool*             _nr_workers_pool,
                 phy_common*                  _worker_com,
                 srslte::log*                 _log_h,
                 srslte::log*                 _log_phy_lib_h,
                 uint32_t                     prio,
                 int                          sync_cpu_affinity)
 {
-  radio_h       = _radio;
-  log_h         = _log_h;
-  log_phy_lib_h = _log_phy_lib_h;
-  stack         = _stack;
-  workers_pool  = _workers_pool;
-  worker_com    = _worker_com;
-  prach_buffer  = _prach_buffer;
-
-  nof_rf_channels = worker_com->args->nof_carriers * worker_com->args->nof_rx_ant;
+  radio_h         = _radio;
+  log_h           = _log_h;
+  log_phy_lib_h   = _log_phy_lib_h;
+  stack           = _stack;
+  lte_worker_pool = _lte_workers_pool;
+  nr_worker_pool  = _nr_workers_pool;
+  worker_com      = _worker_com;
+  prach_buffer    = _prach_buffer;
+
+  nof_rf_channels = worker_com->args->nof_lte_carriers * worker_com->args->nof_rx_ant;
   if (nof_rf_channels == 0 || nof_rf_channels > SRSLTE_MAX_CHANNELS) {
     Error("SYNC:  Invalid number of RF channels (%d)\n", nof_rf_channels);
     return;
@@ -86,14 +88,14 @@ void sync::init(srslte::radio_interface_phy* _radio,
   sfn_p.init(&ue_sync, worker_com->args, sf_buffer, sf_buffer.size(), log_h);
 
   // Start intra-frequency measurement
-  for (uint32_t i = 0; i < worker_com->args->nof_carriers; i++) {
+  for (uint32_t i = 0; i < worker_com->args->nof_lte_carriers; i++) {
     scell::intra_measure* q = new scell::intra_measure;
     q->init(i, worker_com, this, log_h);
     intra_freq_meas.push_back(std::unique_ptr<scell::intra_measure>(q));
   }
 
   // Allocate Secondary serving cell synchronization
-  for (uint32_t i = 1; i < worker_com->args->nof_carriers; i++) {
+  for (uint32_t i = 1; i < worker_com->args->nof_lte_carriers; i++) {
     // Give the logical channel
     scell_sync[i] = std::unique_ptr<scell::sync>(new scell::sync(this, i * worker_com->args->nof_rx_ant));
   }
@@ -400,7 +402,9 @@ void sync::run_sfn_sync_state()
   }
 }
 
-void sync::run_camping_in_sync_state(lte::sf_worker* worker, srslte::rf_buffer_t& sync_buffer)
+void sync::run_camping_in_sync_state(lte::sf_worker*      lte_worker,
+                                     nr::sf_worker*       nr_worker,
+                                     srslte::rf_buffer_t& sync_buffer)
 {
   // Update logging TTI
   log_h->step(tti);
@@ -454,12 +458,12 @@ void sync::run_camping_in_sync_state(lte::sf_worker* worker, srslte::rf_buffer_t
     }
   }
 
-  Debug("SYNC:  Worker %d synchronized\n", worker->get_id());
+  Debug("SYNC:  Worker %d synchronized\n", lte_worker->get_id());
 
   metrics.sfo   = srslte_ue_sync_get_sfo(&ue_sync);
   metrics.cfo   = srslte_ue_sync_get_cfo(&ue_sync);
   metrics.ta_us = worker_com->ta.get_usec();
-  for (uint32_t i = 0; i < worker_com->args->nof_carriers; i++) {
+  for (uint32_t i = 0; i < worker_com->args->nof_lte_carriers; i++) {
     worker_com->set_sync_metrics(i, metrics);
   }
 
@@ -471,22 +475,22 @@ void sync::run_camping_in_sync_state(lte::sf_worker* worker, srslte::rf_buffer_t
     }
   }
 
-  worker->set_prach(prach_ptr ? &prach_ptr[prach_sf_cnt * SRSLTE_SF_LEN_PRB(cell.nof_prb)] : nullptr, prach_power);
+  lte_worker->set_prach(prach_ptr ? &prach_ptr[prach_sf_cnt * SRSLTE_SF_LEN_PRB(cell.nof_prb)] : nullptr, prach_power);
 
   // Execute Serving Cell state FSM
   worker_com->cell_state.run_tti(tti);
 
   // Set CFO for all Carriers
-  for (uint32_t cc = 0; cc < worker_com->args->nof_carriers; cc++) {
-    worker->set_cfo_unlocked(cc, get_tx_cfo());
+  for (uint32_t cc = 0; cc < worker_com->args->nof_lte_carriers; cc++) {
+    lte_worker->set_cfo_unlocked(cc, get_tx_cfo());
     worker_com->update_cfo_measurement(cc, srslte_ue_sync_get_cfo(&ue_sync));
   }
 
-  worker->set_tti(tti);
+  lte_worker->set_tti(tti);
 
   // Compute TX time: Any transmission happens in TTI+4 thus advance 4 ms the reception time
   last_rx_time.add(FDD_HARQ_DELAY_DL_MS * 1e-3);
-  worker->set_tx_time(last_rx_time);
+  lte_worker->set_tx_time(last_rx_time);
 
   // Advance/reset prach subframe pointer
   if (prach_ptr) {
@@ -497,37 +501,57 @@ void sync::run_camping_in_sync_state(lte::sf_worker* worker, srslte::rf_buffer_t
     }
   }
 
-  // Start worker
-  worker_com->semaphore.push(worker);
-  workers_pool->start_worker(worker);
+  // Start LTE worker
+  worker_com->semaphore.push(lte_worker);
+  lte_worker_pool->start_worker(lte_worker);
+
+  // Start NR worker only if present
+  if (nr_worker != nullptr) {
+    nr_worker_pool->start_worker(nr_worker);
+  }
 }
 void sync::run_camping_state()
 {
-  lte::sf_worker*     worker      = (lte::sf_worker*)workers_pool->wait_worker(tti);
+  lte::sf_worker*     lte_worker  = lte_worker_pool->wait_worker(tti);
   srslte::rf_buffer_t sync_buffer = {};
 
-  if (worker == nullptr) {
+  if (lte_worker == nullptr) {
     // wait_worker() only returns NULL if it's being closed. Quit now to avoid unnecessary loops here
     running = false;
     return;
   }
 
+  nr::sf_worker* nr_worker = nullptr;
+  if (worker_com->args->nof_nr_carriers > 0) {
+    nr_worker = nr_worker_pool->wait_worker(tti);
+    if (nr_worker == nullptr) {
+      running = false;
+      return;
+    }
+  }
+
   // Map carrier/antenna buffers to worker buffers
-  for (uint32_t c = 0; c < worker_com->args->nof_carriers; c++) {
+  uint32_t cc_idx = 0;
+  for (uint32_t lte_cc_idx = 0; lte_cc_idx < worker_com->args->nof_lte_carriers; lte_cc_idx++, cc_idx++) {
+    for (uint32_t i = 0; i < worker_com->args->nof_rx_ant; i++) {
+      sync_buffer.set(cc_idx, i, worker_com->args->nof_rx_ant, lte_worker->get_buffer(lte_cc_idx, i));
+    }
+  }
+  for (uint32_t nr_cc_idx = 0; nr_cc_idx < worker_com->args->nof_nr_carriers; nr_cc_idx++, cc_idx++) {
     for (uint32_t i = 0; i < worker_com->args->nof_rx_ant; i++) {
-      sync_buffer.set(c, i, worker_com->args->nof_rx_ant, worker->get_buffer(c, i));
+      sync_buffer.set(cc_idx, i, worker_com->args->nof_rx_ant, nr_worker->get_buffer(nr_cc_idx, i));
     }
   }
 
   // Primary Cell (PCell) Synchronization
-  switch (srslte_ue_sync_zerocopy(&ue_sync, sync_buffer.to_cf_t(), worker->get_buffer_len())) {
+  switch (srslte_ue_sync_zerocopy(&ue_sync, sync_buffer.to_cf_t(), lte_worker->get_buffer_len())) {
     case 1:
-      run_camping_in_sync_state(worker, sync_buffer);
+      run_camping_in_sync_state(lte_worker, nr_worker, sync_buffer);
       break;
     case 0:
       Warning("SYNC:  Out-of-sync detected in PSS/SSS\n");
       out_of_sync();
-      worker->release();
+      lte_worker->release();
 
       // Force decoding MIB, for making sure that the TTI will be right
       if (!force_camping_sfn_sync) {
@@ -537,7 +561,7 @@ void sync::run_camping_state()
       break;
     default:
       radio_error();
-      worker->release();
+      lte_worker->release();
       break;
   }
 
@@ -774,12 +798,12 @@ bool sync::set_cell(float cfo)
 
   // Reset cell configuration
   for (uint32_t i = 0; i < worker_com->args->nof_phy_threads; i++) {
-    (*workers_pool)[i]->reset_cell_unlocked(0);
+    (*lte_worker_pool)[i]->reset_cell_unlocked(0);
   }
 
   bool success = true;
   for (uint32_t i = 0; i < worker_com->args->nof_phy_threads; i++) {
-    lte::sf_worker* w = (lte::sf_worker*)workers_pool->wait_worker_id(i);
+    lte::sf_worker* w = lte_worker_pool->wait_worker_id(i);
     if (w) {
       success &= w->set_cell_unlocked(0, cell);
       w->release();
diff --git a/srsue/src/ue.cc b/srsue/src/ue.cc
index 762f2b8ad..bab1a0a23 100644
--- a/srsue/src/ue.cc
+++ b/srsue/src/ue.cc
@@ -199,8 +199,16 @@ int ue::parse_args(const all_args_t& args_)
     return SRSLTE_ERROR;
   }
 
+  if (args.rf.nof_carriers <= args.phy.nof_nr_carriers) {
+    fprintf(stderr,
+            "Maximum number of carriers enough for NR and LTE (%d <= %d)\n",
+            args.rf.nof_carriers,
+            args.phy.nof_nr_carriers);
+    return SRSLTE_ERROR;
+  }
+
   // replicate some RF parameter to make them available to PHY
-  args.phy.nof_carriers = args.rf.nof_carriers;
+  args.phy.nof_lte_carriers = args.rf.nof_carriers - args.phy.nof_nr_carriers;
   args.phy.nof_rx_ant   = args.rf.nof_antennas;
   args.phy.agc_enable   = args.rf.rx_gain < 0.0f;
 
@@ -241,7 +249,7 @@ int ue::parse_args(const all_args_t& args_)
   args.stack.rrc.ue_category = (uint32_t)strtoul(args.stack.rrc.ue_category_str.c_str(), nullptr, 10);
 
   // Consider Carrier Aggregation support if more than one
-  args.stack.rrc.support_ca = (args.rf.nof_carriers > 1);
+  args.stack.rrc.support_ca = (args.phy.nof_lte_carriers > 1);
 
   return SRSLTE_SUCCESS;
 }