Fix SSB pattern in UE

lib/include/srsran/asn1/rrc_nr_utils.h

@@ -110,7 +110,9 @@ bool make_phy_zp_csi_rs_resource(const asn1::rrc_nr::zp_csi_rs_res_s& zp_csi_rs_
 bool make_phy_nzp_csi_rs_resource(const asn1::rrc_nr::nzp_csi_rs_res_s& nzp_csi_rs_res,
                                   srsran_csi_rs_nzp_resource_t*         csi_rs_nzp_resource);
 bool make_phy_carrier_cfg(const asn1::rrc_nr::freq_info_dl_s& freq_info_dl, srsran_carrier_nr_t* carrier_nr);
-bool make_phy_ssb_cfg(const asn1::rrc_nr::serving_cell_cfg_common_s& serv_cell_cfg, phy_cfg_nr_t::ssb_cfg_t* ssb);
+bool make_phy_ssb_cfg(const srsran_carrier_nr_t&                     carrier,
+                      const asn1::rrc_nr::serving_cell_cfg_common_s& serv_cell_cfg,
+                      phy_cfg_nr_t::ssb_cfg_t*                       ssb);
 
 /***************************
  *      MAC Config

lib/include/srsran/common/band_helper.h

@@ -15,6 +15,7 @@
 
 #include "srsran/phy/common/phy_common_nr.h"
 #include <array>
+#include <set>
 #include <stdint.h>
 #include <vector>
 

lib/src/asn1/rrc_nr_utils.cc

@@ -1393,9 +1393,20 @@ static inline void make_ssb_positions_in_burst(const bitstring_t&
   }
 }
 
-bool make_phy_ssb_cfg(const asn1::rrc_nr::serving_cell_cfg_common_s& serv_cell_cfg, phy_cfg_nr_t::ssb_cfg_t* out_ssb)
+bool make_phy_ssb_cfg(const srsran_carrier_nr_t&                     carrier,
+                      const asn1::rrc_nr::serving_cell_cfg_common_s& serv_cell_cfg,
+                      phy_cfg_nr_t::ssb_cfg_t*                       out_ssb)
 {
+  srsran::srsran_band_helper bands;
+  uint16_t                   band = bands.get_band_from_dl_freq_Hz(carrier.ssb_center_freq_hz);
+  if (band == UINT16_MAX) {
+    asn1::log_error("Invalid band for SSB frequency %.3f MHz", carrier.ssb_center_freq_hz);
+    return false;
+  }
+
   phy_cfg_nr_t::ssb_cfg_t ssb = {};
+
+  // Parse subcarrier spacing
   if (serv_cell_cfg.ssb_subcarrier_spacing_present) {
     switch (serv_cell_cfg.ssb_subcarrier_spacing) {
       case subcarrier_spacing_e::khz15:
@@ -1408,6 +1419,15 @@ bool make_phy_ssb_cfg(const asn1::rrc_nr::serving_cell_cfg_common_s& serv_cell_c
         asn1::log_error("SSB SCS not supported");
         return false;
     }
+  } else {
+  }
+
+  // Get the SSB pattern
+  ssb.pattern = bands.get_ssb_pattern(band, ssb.scs);
+  if (ssb.pattern == SRSRAN_SSB_PATTERN_INVALID) {
+    asn1::log_error(
+        "Band %d and SS/PBCH block SCS %s results on invalid pattern", band, srsran_subcarrier_spacing_to_str(ssb.scs));
+    return false;
   }
 
   if (serv_cell_cfg.ssb_positions_in_burst_present) {

srsue/src/stack/rrc/rrc_nr.cc

@@ -1163,7 +1163,7 @@ bool rrc_nr::apply_sp_cell_cfg(const sp_cell_cfg_s& sp_cell_cfg)
         return false;
       }
       phy_cfg_nr_t::ssb_cfg_t ssb_cfg = {};
-      if (make_phy_ssb_cfg(recfg_with_sync.sp_cell_cfg_common, &ssb_cfg) == true) {
+      if (make_phy_ssb_cfg(phy_cfg.carrier, recfg_with_sync.sp_cell_cfg_common, &ssb_cfg) == true) {
         phy_cfg.ssb = ssb_cfg;
       } else {
         logger.warning("Warning while building SSB config structure");