Added CSI report enable option in SRS UE

lib/include/srslte/interfaces/ue_interfaces.h

@@ -493,6 +493,7 @@ typedef struct {
   bool rssi_sensor_enabled;
   bool sic_pss_enabled;
   float rx_gain_offset;
+  bool pdsch_csi_enabled;
 } phy_args_t; 
 
 

srsue/src/main.cc

@@ -269,6 +269,9 @@ void parse_args(all_args_t *args, int argc, char *argv[]) {
      bpo::value<float>(&args->expert.phy.estimator_fil_w)->default_value(0.1),
      "Chooses the coefficients for the 3-tap channel estimator centered filter.")
 
+    ("expert.pdsch_csi_enabled",
+     bpo::value<bool>(&args->expert.phy.pdsch_csi_enabled)->default_value(false),
+     "Stores the Channel State Information and uses it for weightening the softbits. It is only compatible with TM1.")
 
     ("rf_calibration.tx_corr_dc_gain", bpo::value<float>(&args->rf_cal.tx_corr_dc_gain)->default_value(0.0),
      "TX DC offset gain correction")

srsue/src/phy/phch_worker.cc

@@ -137,6 +137,7 @@ bool phch_worker::init(uint32_t max_prb, srslte::log *log_h, srslte::log *log_ph
   srslte_chest_dl_cfo_estimate_enable(&ue_dl.chest, phy->args->cfo_ref_mask!=0, phy->args->cfo_ref_mask);
   srslte_ue_ul_set_normalization(&ue_ul, true);
   srslte_ue_ul_set_cfo_enable(&ue_ul, true);
+  srslte_pdsch_enable_csi(&ue_dl.pdsch, phy->args->pdsch_csi_enabled);
 
   mem_initiated = true;
 

srsue/ue.conf.example

@@ -173,6 +173,9 @@ enable = false
 # cfo_loop_pss_timeout:  After the PSS estimation is below cfo_loop_pss_tol for cfo_loop_pss_timeout times consecutively,
 #                        RS adjustments are allowed.
 #
+# pdsch_csi_enabled:     Stores the Channel State Information and uses it for weightening the softbits. It is only
+#                        compatible with TM1. It is False by default.
+#
 #####################################################################
 [expert]
 #ip_netmask          = 255.255.255.0
@@ -196,6 +199,7 @@ enable = false
 #pregenerate_signals = false
 #metrics_csv_enable  = false
 #metrics_csv_filename = /tmp/ue_metrics.csv
+#pdsch_csi_enabled  = true     # Caution! Only TM1 supported!
 
 # CFO related values
 #cfo_integer_enabled = false