lte,enb,rrc: parse cellIndividualOffset in rr.conf and propagate it to measConfig sent to UE

lib/include/srsran/interfaces/enb_rrc_interface_types.h

@@ -28,12 +28,12 @@ struct scell_cfg_t {
 
 // Cell to measure for Handover
 struct meas_cell_cfg_t {
-  uint32_t earfcn;
-  uint16_t pci;
-  uint32_t eci;
-  float    q_offset;
-  uint32_t allowed_meas_bw;
-  bool     direct_forward_path_available;
+  uint32_t                    earfcn;
+  uint16_t                    pci;
+  uint32_t                    eci;
+  asn1::rrc::q_offset_range_e cell_individual_offset;
+  uint32_t                    allowed_meas_bw;
+  bool                        direct_forward_path_available;
 };
 
 // neigh measurement Cell info

srsenb/rr.conf.example

@@ -84,6 +84,7 @@ cell_list =
         pci = 2;
         //direct_forward_path_available = false;
         //allowed_meas_bw = 6;
+        //cell_individual_offset = 0;
       }
     );
 

srsenb/src/enb_cfg_parser.cc

@@ -767,13 +767,14 @@ static int parse_meas_cell_list(rrc_meas_cfg_t* meas_cfg, Setting& root)
 {
   meas_cfg->meas_cells.resize(root.getLength());
   for (uint32_t i = 0; i < meas_cfg->meas_cells.size(); ++i) {
-    auto& cell    = meas_cfg->meas_cells[i];
-    cell.earfcn   = root[i]["dl_earfcn"];
-    cell.pci      = (unsigned int)root[i]["pci"] % SRSRAN_NUM_PCI;
-    cell.eci      = (unsigned int)root[i]["eci"];
-    cell.q_offset = 0; // LIBLTE_RRC_Q_OFFSET_RANGE_DB_0; // TODO
+    auto& cell  = meas_cfg->meas_cells[i];
+    cell.earfcn = root[i]["dl_earfcn"];
+    cell.pci    = (unsigned int)root[i]["pci"] % SRSRAN_NUM_PCI;
+    cell.eci    = (unsigned int)root[i]["eci"];
     parse_default_field(cell.direct_forward_path_available, root[i], "direct_forward_path_available", false);
     parse_default_field(cell.allowed_meas_bw, root[i], "allowed_meas_bw", 6u);
+    asn1_parsers::default_number_to_enum(
+        cell.cell_individual_offset, root[i], "cell_individual_offset", asn1::rrc::q_offset_range_opts::db0);
     srsran_assert(srsran::is_lte_cell_nof_prb(cell.allowed_meas_bw), "Invalid measurement Bandwidth");
   }
   return 0;

srsenb/src/stack/rrc/ue_meas_cfg.cc

@@ -84,8 +84,8 @@ std::tuple<bool, meas_obj_t*, cells_to_add_mod_s*> add_cell_enb_cfg(meas_obj_lis
   bool inserted_flag = true;
 
   cells_to_add_mod_s new_cell;
-  asn1::number_to_enum(new_cell.cell_individual_offset, (uint8_t)cellcfg.q_offset);
-  new_cell.pci = cellcfg.pci;
+  new_cell.cell_individual_offset = cellcfg.cell_individual_offset;
+  new_cell.pci                    = cellcfg.pci;
 
   std::pair<meas_obj_t*, meas_cell_t*> ret = find_cell(meas_obj_list, cellcfg.earfcn, cellcfg.pci);
 

srsenb/test/rrc/rrc_meascfg_test.cc

@@ -31,14 +31,14 @@ namespace srsenb {
  */
 int test_correct_meascfg_insertion()
 {
-  meas_cell_cfg_t cell1 = generate_cell1(), cell2{}, cell3{}, cell4{};
-  cell2                 = cell1;
-  cell2.pci             = 2;
-  cell2.eci             = 0x19C02;
-  cell3                 = cell1;
-  cell3.earfcn          = 2850;
-  cell4                 = cell1;
-  cell4.q_offset        = 1;
+  meas_cell_cfg_t cell1        = generate_cell1(), cell2{}, cell3{}, cell4{};
+  cell2                        = cell1;
+  cell2.pci                    = 2;
+  cell2.eci                    = 0x19C02;
+  cell3                        = cell1;
+  cell3.earfcn                 = 2850;
+  cell4                        = cell1;
+  cell1.cell_individual_offset = asn1::rrc::q_offset_range_opts::db1;
 
   report_cfg_eutra_s rep1 = generate_rep1();
 
@@ -108,13 +108,13 @@ int test_correct_meascfg_calculation()
   meas_cfg_s src_var{}, target_var{};
 
   meas_cell_cfg_t cell1{}, cell2{};
-  cell1.earfcn   = 3400;
-  cell1.pci      = 1;
-  cell1.q_offset = 0;
-  cell1.eci      = 0x19C01;
-  cell2          = cell1;
-  cell2.pci      = 2;
-  cell2.eci      = 0x19C02;
+  cell1.earfcn                 = 3400;
+  cell1.pci                    = 1;
+  cell1.cell_individual_offset = asn1::rrc::q_offset_range_opts::db0;
+  cell1.eci                    = 0x19C01;
+  cell2                        = cell1;
+  cell2.pci                    = 2;
+  cell2.eci                    = 0x19C02;
 
   report_cfg_eutra_s rep1  = generate_rep1(), rep2{}, rep3{};
   rep2                     = rep1;
@@ -169,8 +169,8 @@ int test_correct_meascfg_calculation()
     TESTASSERT(result_meascfg.report_cfg_to_add_mod_list.size() == 0);
 
     // TEST 3: Cell is added to cellsToAddModList if just a field was updated
-    cell1.q_offset = 5;
-    src_var        = target_var;
+    cell1.cell_individual_offset = asn1::rrc::q_offset_range_opts::db5;
+    src_var                      = target_var;
     add_cell_enb_cfg(target_var.meas_obj_to_add_mod_list, cell1);
     TESTASSERT(compute_diff_meascfg(src_var, target_var, result_meascfg));
     TESTASSERT(result_meascfg.meas_obj_to_add_mod_list_present);

srsenb/test/rrc/test_helpers.cc

@@ -173,10 +173,10 @@ namespace srsenb {
 meas_cell_cfg_t generate_cell1()
 {
   meas_cell_cfg_t cell1{};
-  cell1.earfcn   = 3400;
-  cell1.pci      = 1;
-  cell1.q_offset = 0;
-  cell1.eci      = 0x19C01;
+  cell1.earfcn                 = 3400;
+  cell1.pci                    = 1;
+  cell1.cell_individual_offset = asn1::rrc::q_offset_range_opts::db0;
+  cell1.eci                    = 0x19C01;
   return cell1;
 }
 
@@ -198,7 +198,7 @@ report_cfg_eutra_s generate_rep1()
 
 bool is_cell_cfg_equal(const meas_cell_cfg_t& cfg, const cells_to_add_mod_s& cell)
 {
-  return cfg.pci == cell.pci and cell.cell_individual_offset.to_number() == (int8_t)round(cfg.q_offset);
+  return cfg.pci == cell.pci and cell.cell_individual_offset == cell.cell_individual_offset;
 }
 
 } // namespace srsenb