The nr_srs_channel_estimation function is split into the nr_srs_ls_channel_estimation and nr_srs_channel_interpolation functions to allow the use of a common delay

Define CIRCULAR_INC

common/utils/T/tracer/gnb.c

@@ -195,7 +195,7 @@ static void gnb_main_gui(gnb_gui *e, gui *g, event_handler *h, void *database, g
   e->ul_freq_estimate_ue_xy_plot = w;
   widget_add_child(g, line, w, -1);
   xy_plot_set_range(g, w, 0, 2048, -10, 80);
-  l = new_framelog(h, database, "GNB_PHY_UL_FREQ_CHANNEL_ESTIMATE", "subframe", "chest_t");
+  l = new_framelog(h, database, "GNB_PHY_UL_FREQ_CHANNEL_ESTIMATE", "subframe", "chest_f");
   framelog_set_update_only_at_sf9(l, 0);
   v = new_view_xy(2048, 10, g, w, new_color(g, "#0c0c72"), XY_LOOP_MODE);
   logger_add_view(l, v);

common/utils/nr/nr_common.h

@@ -366,6 +366,10 @@ void nr_deconstruct_5g_s_tmsi(const uint64_t fiveg_s_tmsi, uint16_t *amf_set_id,
 #define ROUNDIDIV(a,b) (((a<<1)+b)/(b<<1))
 #define BOUNDED_EVAL(a, b, c) (min(c, max(a, b)))
 
+/* Macro used to perform a circular increment. This implementation is computationally more efficient than using the remainder of the
+ * integer division, and improves code readability when compared to repetitive if... else statements. */
+#define CIRCULAR_INC(val, inc, size) (((val) + (inc) >= (size)) ? ((val) + (inc) - (size)) : ((val) + (inc)))
+
 static const char *const duplex_mode_txt[] = {"FDD", "TDD"};
 
 #ifdef __cplusplus