add support for band 255 and 256 according to TS 38.108

common/utils/nr/nr_common.c

@@ -57,8 +57,8 @@ int get_supported_band_index(int scs, int band, int n_rbs)
 }
 
 
-// Table 5.2-1 NR operating bands in FR1 & FR2 (3GPP TS 38.101)
-// Table 5.4.2.3-1 Applicable NR-ARFCN per operating band in FR1 & FR2 (3GPP TS 38.101)
+// Table 5.2-1 NR operating bands in FR1 & FR2 (3GPP TS 38.101 and TS 38.108)
+// Table 5.4.2.3-1 Applicable NR-ARFCN per operating band in FR1 & FR2 (3GPP TS 38.101 and TS 38.108)
 // Notes:
 // - N_OFFs for bands from 80 to 89 and band 95 is referred to UL
 // - Frequencies are expressed in KHz
@@ -120,6 +120,8 @@ const nr_bandentry_t nr_bandtable[] = {
   {94,   880000,  915000, 1432000, 1517000, 20, 286400, 100},
   {95,  2010000, 2025000,     000,     000, 20, 402000, 100},
   {96,  5925000, 7125000, 5925000, 7125000,  1, 795000,  15},
+  {255, 1626500, 1660500, 1525000, 1559000, 20, 305000, 100},
+  {256, 1980000, 2010000, 2170000, 2200000, 20, 434000, 100},
   {257,26500020,29500000,26500020,29500000,  1,2054166,  60},
   {257,26500080,29500000,26500080,29500000,  2,2054167, 120},
   {258,24250080,27500000,24250080,27500000,  1,2016667,  60},

openair1/PHY/INIT/nr_parms.c

@@ -29,7 +29,7 @@ static const uint32_t nr_subcarrier_spacing[MAX_NUM_SUBCARRIER_SPACING] = {15e3,
 static const uint16_t nr_slots_per_subframe[MAX_NUM_SUBCARRIER_SPACING] = {1, 2, 4, 8, 16};
 
 // Table 5.4.3.3-1 38-101
-static const int nr_ssb_table[48][3] = {
+static const int nr_ssb_table[51][3] = {
     {1, 15, nr_ssb_type_A},  {2, 15, nr_ssb_type_A},  {3, 15, nr_ssb_type_A},  {5, 15, nr_ssb_type_A},  {5, 30, nr_ssb_type_B},
     {7, 15, nr_ssb_type_A},  {8, 15, nr_ssb_type_A},  {12, 15, nr_ssb_type_A}, {14, 15, nr_ssb_type_A}, {18, 15, nr_ssb_type_A},
     {20, 15, nr_ssb_type_A}, {25, 15, nr_ssb_type_A}, {26, 15, nr_ssb_type_A}, {28, 15, nr_ssb_type_A}, {29, 15, nr_ssb_type_A},
@@ -39,7 +39,8 @@ static const int nr_ssb_table[48][3] = {
     {65, 15, nr_ssb_type_A}, {66, 15, nr_ssb_type_A}, {66, 30, nr_ssb_type_B}, {70, 15, nr_ssb_type_A}, {71, 15, nr_ssb_type_A},
     {74, 15, nr_ssb_type_A}, {75, 15, nr_ssb_type_A}, {76, 15, nr_ssb_type_A}, {77, 30, nr_ssb_type_C}, {78, 30, nr_ssb_type_C},
     {79, 30, nr_ssb_type_C}, {90, 15, nr_ssb_type_A}, {90, 30, nr_ssb_type_C}, {91, 15, nr_ssb_type_A}, {92, 15, nr_ssb_type_A},
-    {93, 15, nr_ssb_type_A}, {94, 15, nr_ssb_type_A}, {96, 30, nr_ssb_type_C}};
+    {93, 15, nr_ssb_type_A}, {94, 15, nr_ssb_type_A}, {96, 30, nr_ssb_type_C}, {255, 15, nr_ssb_type_A}, {255, 30, nr_ssb_type_B},
+    {256, 15, nr_ssb_type_A}};
 
 void set_Lmax(NR_DL_FRAME_PARMS *fp) {
   if (get_softmodem_params()->sl_mode == 2) {

openair2/GNB_APP/gnb_config.c

@@ -128,6 +128,9 @@ const sync_raster_t sync_raster[] = {
   {77, 1, 7711, 1, 8329},
   {78, 1, 7711, 1, 8051},
   {79, 1, 8480, 16, 8880},
+  {255, 0, 3818, 1, 3892},
+  {255, 1, 3824, 1, 3886},
+  {256, 0, 5429, 1, 5494},
   {257, 3, 22388, 1, 22558},
   {257, 4, 22390, 2, 22556},
   {258, 3, 22257, 1, 22443},

openair2/LAYER2/NR_MAC_UE/config_ue.c

@@ -346,7 +346,7 @@ void config_common_ue(NR_UE_MAC_INST_t *mac,
   }
 
   uint32_t band = *frequencyInfoDL->frequencyBandList.list.array[0];
-  mac->frequency_range = band<100?FR1:FR2;
+  mac->frequency_range = band<257?FR1:FR2;
 
   frame_type_t frame_type = get_frame_type(*frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);
 

openair2/LAYER2/NR_MAC_gNB/config.c

@@ -190,7 +190,7 @@ static void config_common(gNB_MAC_INST *nrmac, int pdsch_AntennaPorts, int pusch
   }
 
   uint32_t band = *frequencyInfoDL->frequencyBandList.list.array[0];
-  frequency_range_t frequency_range = band<100?FR1:FR2;
+  frequency_range_t frequency_range = band<257?FR1:FR2;
 
   frame_type_t frame_type = get_frame_type(*frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);
   nrmac->common_channels[0].frame_type = frame_type;

openair2/RRC/NR/nr_rrc_config.c

@@ -1843,7 +1843,7 @@ NR_BCCH_DL_SCH_Message_t *get_SIB1_NR(const gNB_RrcConfigurationReq *configurati
   }
 
   const NR_FreqBandIndicatorNR_t band = *configuration->scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
-  frequency_range_t frequency_range = band < 100 ? FR1 : FR2;
+  frequency_range_t frequency_range = band < 257 ? FR1 : FR2;
   sib1->servingCellConfigCommon->downlinkConfigCommon.frequencyInfoDL.offsetToPointA = get_ssb_offset_to_pointA(*configuration->scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB,
                                configuration->scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA,
                                configuration->scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.subcarrierSpacing,