use double precission for frequency in srsue and srsenb

lib/include/srslte/interfaces/enb_interfaces.h

@@ -402,9 +402,9 @@ struct cell_cfg_t {
   uint32_t                 pci;
   uint16_t                 root_seq_idx;
   uint32_t                 dl_earfcn;
-  float                    dl_freq_hz;
+  double                   dl_freq_hz;
   uint32_t                 ul_earfcn;
-  float                    ul_freq_hz;
+  double                   ul_freq_hz;
   uint32_t                 initial_dl_cqi;
   std::vector<scell_cfg_t> scell_list;
 };

lib/include/srslte/phy/common/phy_common.h

@@ -406,9 +406,9 @@ SRSLTE_API uint8_t srslte_band_get_band(uint32_t dl_earfcn);
 
 SRSLTE_API bool srslte_band_is_tdd(uint32_t band);
 
-SRSLTE_API float srslte_band_fd(uint32_t dl_earfcn);
+SRSLTE_API double srslte_band_fd(uint32_t dl_earfcn);
 
-SRSLTE_API float srslte_band_fu(uint32_t ul_earfcn);
+SRSLTE_API double srslte_band_fu(uint32_t ul_earfcn);
 
 SRSLTE_API uint32_t srslte_band_ul_earfcn(uint32_t dl_earfcn);
 

lib/src/phy/common/phy_common.c

@@ -484,10 +484,10 @@ uint32_t srslte_re_x_prb(uint32_t ns, uint32_t symbol, uint32_t nof_ports, uint3
 
 struct lte_band {
   uint8_t                     band;
-  float                       fd_low_mhz;
+  double                      fd_low_mhz;
   uint32_t                    dl_earfcn_offset;
   uint32_t                    ul_earfcn_offset;
-  float                       duplex_mhz;
+  double                      duplex_mhz;
   enum band_geographical_area area;
 };
 
@@ -588,7 +588,7 @@ char* srslte_mimotype2str(srslte_tx_scheme_t mimo_type)
   }
 }
 
-float get_fd(struct lte_band* band, uint32_t dl_earfcn)
+static double get_fd(struct lte_band* band, uint32_t dl_earfcn)
 {
   if (dl_earfcn >= band->dl_earfcn_offset) {
     return band->fd_low_mhz + 0.1 * (dl_earfcn - band->dl_earfcn_offset);
@@ -597,7 +597,7 @@ float get_fd(struct lte_band* band, uint32_t dl_earfcn)
   }
 }
 
-float get_fu(struct lte_band* band, uint32_t ul_earfcn)
+static double get_fu(struct lte_band* band, uint32_t ul_earfcn)
 {
   if (ul_earfcn >= band->ul_earfcn_offset) {
     return band->fd_low_mhz - band->duplex_mhz + 0.1 * (ul_earfcn - band->ul_earfcn_offset);
@@ -632,7 +632,7 @@ uint8_t srslte_band_get_band(uint32_t dl_earfcn)
   return lte_bands[i].band;
 }
 
-float srslte_band_fd(uint32_t dl_earfcn)
+double srslte_band_fd(uint32_t dl_earfcn)
 {
   uint32_t i = SRSLTE_NOF_LTE_BANDS - 1;
   if (dl_earfcn > lte_bands[i].dl_earfcn_offset) {
@@ -645,7 +645,7 @@ float srslte_band_fd(uint32_t dl_earfcn)
   return get_fd(&lte_bands[i], dl_earfcn);
 }
 
-float srslte_band_fu(uint32_t ul_earfcn)
+double srslte_band_fu(uint32_t ul_earfcn)
 {
   uint32_t i = SRSLTE_NOF_LTE_BANDS - 1;
   if (ul_earfcn > lte_bands[i].ul_earfcn_offset) {

srsenb/hdr/phy/phy_common.h

@@ -89,9 +89,9 @@ public:
 
     return ret;
   };
-  float get_ul_freq_hz(uint32_t cc_idx)
+  double get_ul_freq_hz(uint32_t cc_idx)
   {
-    float ret = 0.0f;
+    double ret = 0.0f;
 
     if (cc_idx < cell_list.size()) {
       ret = cell_list[cc_idx].ul_freq_hz;
@@ -99,9 +99,9 @@ public:
 
     return ret;
   };
-  float get_dl_freq_hz(uint32_t cc_idx)
+  double get_dl_freq_hz(uint32_t cc_idx)
   {
-    float ret = 0.0f;
+    double ret = 0.0;
 
     if (cc_idx < cell_list.size()) {
       ret = cell_list[cc_idx].dl_freq_hz;

srsenb/hdr/phy/phy_interfaces.h

@@ -34,8 +34,8 @@ struct phy_cell_cfg_t {
   srslte_cell_t cell;
   uint32_t      rf_port;
   uint32_t      cell_id;
-  float         dl_freq_hz;
-  float         ul_freq_hz;
+  double        dl_freq_hz;
+  double        ul_freq_hz;
   uint32_t      root_seq_idx;
 };
 

srsenb/src/enb_cfg_parser.cc

@@ -911,7 +911,7 @@ int set_derived_args(all_args_t* args_, rrc_cfg_t* rrc_cfg_, phy_cfg_t* phy_cfg_
     if (cfg.dl_freq_hz > 0) {
       phy_cell_cfg.dl_freq_hz = cfg.dl_freq_hz;
     } else {
-      phy_cell_cfg.dl_freq_hz = 1e6f * srslte_band_fd(cfg.dl_earfcn);
+      phy_cell_cfg.dl_freq_hz = 1e6 * srslte_band_fd(cfg.dl_earfcn);
     }
 
     if (cfg.ul_freq_hz > 0) {
@@ -920,7 +920,7 @@ int set_derived_args(all_args_t* args_, rrc_cfg_t* rrc_cfg_, phy_cfg_t* phy_cfg_
       if (cfg.ul_earfcn == 0) {
         cfg.ul_earfcn = srslte_band_ul_earfcn(cfg.dl_earfcn);
       }
-      phy_cell_cfg.ul_freq_hz = 1e6f * srslte_band_fu(cfg.ul_earfcn);
+      phy_cell_cfg.ul_freq_hz = 1e6 * srslte_band_fu(cfg.ul_earfcn);
     }
     phy_cfg_->phy_cell_cfg.push_back(phy_cell_cfg);
   }

srsenb/src/phy/txrx.cc

@@ -98,8 +98,8 @@ void txrx::run_thread()
 
   // Set Tx/Rx frequencies
   for (uint32_t cc_idx = 0; cc_idx < worker_com->get_nof_carriers(); cc_idx++) {
-    float    tx_freq_hz = worker_com->get_dl_freq_hz(cc_idx);
-    float    rx_freq_hz = worker_com->get_ul_freq_hz(cc_idx);
+    double   tx_freq_hz = worker_com->get_dl_freq_hz(cc_idx);
+    double   rx_freq_hz = worker_com->get_ul_freq_hz(cc_idx);
     uint32_t rf_port    = worker_com->get_rf_port(cc_idx);
     log_h->console(
         "Setting frequency: DL=%.1f Mhz, UL=%.1f MHz for cc_idx=%d\n", tx_freq_hz / 1e6f, rx_freq_hz / 1e6f, cc_idx);

srsue/src/phy/phy.cc

@@ -454,8 +454,8 @@ void phy::set_config(srslte::phy_cfg_t& config_, uint32_t cc_idx, uint32_t earfc
     } else if (cell_info) {
       // Change frequency only if the earfcn was modified
       if (common.scell_cfg[cc_idx].earfcn != earfcn) {
-        float dl_freq = srslte_band_fd(earfcn) * 1e6f;
-        float ul_freq = srslte_band_fu(srslte_band_ul_earfcn(earfcn)) * 1e6f;
+        double dl_freq = srslte_band_fd(earfcn) * 1e6;
+        double ul_freq = srslte_band_fu(srslte_band_ul_earfcn(earfcn)) * 1e6;
         radio->set_rx_freq(cc_idx, dl_freq);
         radio->set_tx_freq(cc_idx, ul_freq);
       }