Normalise NR PUSCH to maximum Tx power

lib/src/phy/ue/ue_ul_nr.c

@@ -123,6 +123,13 @@ int srsran_ue_ul_nr_encode_pusch(srsran_ue_ul_nr_t*            q,
   // Generate signal
   srsran_ofdm_tx_sf(&q->ifft);
 
+  // Normalise to peak
+  uint32_t max_idx  = srsran_vec_max_abs_ci(q->ifft.cfg.out_buffer, q->ifft.sf_sz);
+  float    max_peak = cabsf(q->ifft.cfg.out_buffer[max_idx]);
+  if (isnormal(max_peak)) {
+    srsran_vec_sc_prod_cfc(q->ifft.cfg.out_buffer, 0.99f / max_peak, q->ifft.cfg.out_buffer, q->ifft.sf_sz);
+  }
+
   return SRSRAN_SUCCESS;
 }